diff --git a/.travis.yml b/.travis.yml
index bee8152..df886ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,10 +7,10 @@ python:
     - 3.7
     - 3.8
 install:
-    - pip install coveralls
+    - pip install coveralls pytest
     - python setup.py develop
 script:
-    - coverage run --source=mwparserfromhell -m unittest discover
+    - coverage run --source=mwparserfromhell -m pytest
 after_success:
     - coveralls
 env:
diff --git a/appveyor.yml b/appveyor.yml
index 2a4de47..d70987b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -64,14 +64,14 @@ environment:
 
 install:
   - "%PIP% install --disable-pip-version-check --user --upgrade pip"
-  - "%PIP% install wheel twine"
+  - "%PIP% install wheel twine pytest"
 
 build_script:
   - "%SETUPPY% build"
   - "%SETUPPY% develop --user"
 
 test_script:
-  - "%PYEXE% -m unittest discover"
+  - "%PYEXE% -m pytest"
 
 after_test:
   - "%SETUPPY% bdist_wheel"
diff --git a/setup.py b/setup.py
index f339665..2fdef65 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ setup(
     name = "mwparserfromhell",
     packages = find_packages(exclude=("tests",)),
     ext_modules = [tokenizer] if use_extension else [],
-    test_suite = "tests",
+    test_requires = ["pytest"],
     version = __version__,
     python_requires = ">= 3.4",
     author = "Ben Kurtovic",
diff --git a/tests/_test_tokenizer.py b/tests/_test_tokenizer.py
deleted file mode 100644
index f61cb10..0000000
--- a/tests/_test_tokenizer.py
+++ /dev/null
@@ -1,148 +0,0 @@
-#
-# Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-import codecs
-from os import listdir, path
-import sys
-import warnings
-
-from mwparserfromhell.parser import tokens
-from mwparserfromhell.parser.builder import Builder
-
-class _TestParseError(Exception):
-    """Raised internally when a test could not be parsed."""
-    pass
-
-
-class TokenizerTestCase:
-    """A base test case for tokenizers, whose tests are loaded dynamically.
-
-    Subclassed along with unittest.TestCase to form TestPyTokenizer and
-    TestCTokenizer. Tests are loaded dynamically from files in the 'tokenizer'
-    directory.
-    """
-
-    @staticmethod
-    def _build_test_method(funcname, data):
-        """Create and return a method to be treated as a test case method.
-
-        *data* is a dict containing multiple keys: the *input* text to be
-        tokenized, the expected list of tokens as *output*, and an optional
-        *label* for the method's docstring.
-        """
-        def inner(self):
-            if hasattr(self, "roundtrip"):
-                expected = data["input"]
-                actual = str(Builder().build(data["output"][:]))
-            else:
-                expected = data["output"]
-                actual = self.tokenizer().tokenize(data["input"])
-            self.assertEqual(expected, actual)
-
-        inner.__doc__ = data["label"]
-        return inner
-
-    @staticmethod
-    def _parse_test(test, data):
-        """Parse an individual *test*, storing its info in *data*."""
-        for line in test.strip().splitlines():
-            if line.startswith("name:"):
-                data["name"] = line[len("name:"):].strip()
-            elif line.startswith("label:"):
-                data["label"] = line[len("label:"):].strip()
-            elif line.startswith("input:"):
-                raw = line[len("input:"):].strip()
-                if raw[0] == '"' and raw[-1] == '"':
-                    raw = raw[1:-1]
-                raw = raw.encode("raw_unicode_escape")
-                data["input"] = raw.decode("unicode_escape")
-            elif line.startswith("output:"):
-                raw = line[len("output:"):].strip()
-                try:
-                    data["output"] = eval(raw, vars(tokens))
-                except Exception as err:
-                    raise _TestParseError(err)
-
-    @classmethod
-    def _load_tests(cls, filename, name, text, restrict=None):
-        """Load all tests in *text* from the file *filename*."""
-        tests = text.split("\n---\n")
-        counter = 1
-        digits = len(str(len(tests)))
-        for test in tests:
-            data = {"name": None, "label": None, "input": None, "output": None}
-            try:
-                cls._parse_test(test, data)
-            except _TestParseError as err:
-                if data["name"]:
-                    error = "Could not parse test '{0}' in '{1}':\n\t{2}"
-                    warnings.warn(error.format(data["name"], filename, err))
-                else:
-                    error = "Could not parse a test in '{0}':\n\t{1}"
-                    warnings.warn(error.format(filename, err))
-                continue
-
-            if not data["name"]:
-                error = "A test in '{0}' was ignored because it lacked a name"
-                warnings.warn(error.format(filename))
-                continue
-            if data["input"] is None or data["output"] is None:
-                error = "Test '{}' in '{}' was ignored because it lacked an input or an output"
-                warnings.warn(error.format(data["name"], filename))
-                continue
-
-            number = str(counter).zfill(digits)
-            counter += 1
-            if restrict and data["name"] != restrict:
-                continue
-
-            fname = "test_{}{}_{}".format(name, number, data["name"])
-            meth = cls._build_test_method(fname, data)
-            setattr(cls, fname, meth)
-
-    @classmethod
-    def build(cls):
-        """Load and install all tests from the 'tokenizer' directory."""
-        def load_file(filename, restrict=None):
-            with codecs.open(filename, "r", encoding="utf8") as fp:
-                text = fp.read()
-                name = path.split(filename)[1][:-len(extension)]
-                cls._load_tests(filename, name, text, restrict)
-
-        directory = path.join(path.dirname(__file__), "tokenizer")
-        extension = ".mwtest"
-        if len(sys.argv) > 2 and sys.argv[1] == "--use":
-            for name in sys.argv[2:]:
-                if "." in name:
-                    name, test = name.split(".", 1)
-                else:
-                    test = None
-                load_file(path.join(directory, name + extension), test)
-            sys.argv = [sys.argv[0]]  # So unittest doesn't try to parse this
-            cls.skip_others = True
-        else:
-            for filename in listdir(directory):
-                if not filename.endswith(extension):
-                    continue
-                load_file(path.join(directory, filename))
-            cls.skip_others = False
-
-TokenizerTestCase.build()
diff --git a/tests/_test_tree_equality.py b/tests/_test_tree_equality.py
index cdfbd3a..e8e359a 100644
--- a/tests/_test_tree_equality.py
+++ b/tests/_test_tree_equality.py
@@ -19,18 +19,16 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-from unittest import TestCase
-
 from mwparserfromhell.nodes import (Argument, Comment, Heading, HTMLEntity,
                                     Tag, Template, Text, Wikilink)
-from mwparserfromhell.nodes.extras import Attribute, Parameter
 from mwparserfromhell.smart_list import SmartList
 from mwparserfromhell.wikicode import Wikicode
 
 wrap = lambda L: Wikicode(SmartList(L))
 wraptext = lambda *args: wrap([Text(t) for t in args])
 
-class TreeEqualityTestCase(TestCase):
+
+class TreeEqualityTestCase:
     """A base test case with support for comparing the equality of node trees.
 
     This adds a number of type equality functions, for Wikicode, Text,
@@ -51,7 +49,7 @@ class TreeEqualityTestCase(TestCase):
         }
         for nodetype in registry:
             if isinstance(expected, nodetype):
-                self.assertIsInstance(actual, nodetype)
+                assert isinstance(actual, nodetype)
                 registry[nodetype](expected, actual)
 
     def assertArgumentNodeEqual(self, expected, actual):
@@ -60,23 +58,23 @@ class TreeEqualityTestCase(TestCase):
         if expected.default is not None:
             self.assertWikicodeEqual(expected.default, actual.default)
         else:
-            self.assertIs(None, actual.default)
+            assert actual.default is None
 
     def assertCommentNodeEqual(self, expected, actual):
         """Assert that two Comment nodes have the same data."""
-        self.assertEqual(expected.contents, actual.contents)
+        assert expected.contents == actual.contents
 
     def assertHeadingNodeEqual(self, expected, actual):
         """Assert that two Heading nodes have the same data."""
         self.assertWikicodeEqual(expected.title, actual.title)
-        self.assertEqual(expected.level, actual.level)
+        assert expected.level == actual.level
 
     def assertHTMLEntityNodeEqual(self, expected, actual):
         """Assert that two HTMLEntity nodes have the same data."""
-        self.assertEqual(expected.value, actual.value)
-        self.assertIs(expected.named, actual.named)
-        self.assertIs(expected.hexadecimal, actual.hexadecimal)
-        self.assertEqual(expected.hex_char, actual.hex_char)
+        assert expected.value == actual.value
+        assert expected.named is actual.named
+        assert expected.hexadecimal is actual.hexadecimal
+        assert expected.hex_char == actual.hex_char
 
     def assertTagNodeEqual(self, expected, actual):
         """Assert that two Tag nodes have the same data."""
@@ -84,39 +82,39 @@ class TreeEqualityTestCase(TestCase):
         if expected.contents is not None:
             self.assertWikicodeEqual(expected.contents, actual.contents)
         length = len(expected.attributes)
-        self.assertEqual(length, len(actual.attributes))
+        assert length == len(actual.attributes)
         for i in range(length):
             exp_attr = expected.attributes[i]
             act_attr = actual.attributes[i]
             self.assertWikicodeEqual(exp_attr.name, act_attr.name)
             if exp_attr.value is not None:
                 self.assertWikicodeEqual(exp_attr.value, act_attr.value)
-                self.assertEqual(exp_attr.quotes, act_attr.quotes)
-            self.assertEqual(exp_attr.pad_first, act_attr.pad_first)
-            self.assertEqual(exp_attr.pad_before_eq, act_attr.pad_before_eq)
-            self.assertEqual(exp_attr.pad_after_eq, act_attr.pad_after_eq)
-        self.assertEqual(expected.wiki_markup, actual.wiki_markup)
-        self.assertIs(expected.self_closing, actual.self_closing)
-        self.assertIs(expected.invalid, actual.invalid)
-        self.assertIs(expected.implicit, actual.implicit)
-        self.assertEqual(expected.padding, actual.padding)
+                assert exp_attr.quotes == act_attr.quotes
+            assert exp_attr.pad_first == act_attr.pad_first
+            assert exp_attr.pad_before_eq == act_attr.pad_before_eq
+            assert exp_attr.pad_after_eq == act_attr.pad_after_eq
+        assert expected.wiki_markup == actual.wiki_markup
+        assert expected.self_closing is actual.self_closing
+        assert expected.invalid is actual.invalid
+        assert expected.implicit is actual.implicit
+        assert expected.padding == actual.padding
         self.assertWikicodeEqual(expected.closing_tag, actual.closing_tag)
 
     def assertTemplateNodeEqual(self, expected, actual):
         """Assert that two Template nodes have the same data."""
         self.assertWikicodeEqual(expected.name, actual.name)
         length = len(expected.params)
-        self.assertEqual(length, len(actual.params))
+        assert length == len(actual.params)
         for i in range(length):
             exp_param = expected.params[i]
             act_param = actual.params[i]
             self.assertWikicodeEqual(exp_param.name, act_param.name)
             self.assertWikicodeEqual(exp_param.value, act_param.value)
-            self.assertIs(exp_param.showkey, act_param.showkey)
+            assert exp_param.showkey is act_param.showkey
 
     def assertTextNodeEqual(self, expected, actual):
         """Assert that two Text nodes have the same data."""
-        self.assertEqual(expected.value, actual.value)
+        assert expected.value == actual.value
 
     def assertWikilinkNodeEqual(self, expected, actual):
         """Assert that two Wikilink nodes have the same data."""
@@ -124,12 +122,12 @@ class TreeEqualityTestCase(TestCase):
         if expected.text is not None:
             self.assertWikicodeEqual(expected.text, actual.text)
         else:
-            self.assertIs(None, actual.text)
+            assert None is actual.text
 
     def assertWikicodeEqual(self, expected, actual):
         """Assert that two Wikicode objects have the same data."""
-        self.assertIsInstance(actual, Wikicode)
+        assert isinstance(actual, Wikicode)
         length = len(expected.nodes)
-        self.assertEqual(length, len(actual.nodes))
+        assert length == len(actual.nodes)
         for i in range(length):
             self.assertNodeEqual(expected.get(i), actual.get(i))
diff --git a/tests/test_argument.py b/tests/test_argument.py
index eaf8abe..633bf70 100644
--- a/tests/test_argument.py
+++ b/tests/test_argument.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Argument, Text
 
@@ -31,9 +31,9 @@ class TestArgument(TreeEqualityTestCase):
     def test_unicode(self):
         """test Argument.__unicode__()"""
         node = Argument(wraptext("foobar"))
-        self.assertEqual("{{{foobar}}}", str(node))
+        assert "{{{foobar}}}" == str(node)
         node2 = Argument(wraptext("foo"), wraptext("bar"))
-        self.assertEqual("{{{foo|bar}}}", str(node2))
+        assert "{{{foo|bar}}}" == str(node2)
 
     def test_children(self):
         """test Argument.__children__()"""
@@ -41,18 +41,20 @@ class TestArgument(TreeEqualityTestCase):
         node2 = Argument(wraptext("foo"), wrap([Text("bar"), Text("baz")]))
         gen1 = node1.__children__()
         gen2 = node2.__children__()
-        self.assertIs(node1.name, next(gen1))
-        self.assertIs(node2.name, next(gen2))
-        self.assertIs(node2.default, next(gen2))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertRaises(StopIteration, next, gen2)
+        assert node1.name is next(gen1)
+        assert node2.name is next(gen2)
+        assert node2.default is next(gen2)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen2)
 
     def test_strip(self):
         """test Argument.__strip__()"""
         node1 = Argument(wraptext("foobar"))
         node2 = Argument(wraptext("foo"), wraptext("bar"))
-        self.assertIs(None, node1.__strip__())
-        self.assertEqual("bar", node2.__strip__())
+        assert node1.__strip__() is None
+        assert "bar" == node2.__strip__()
 
     def test_showtree(self):
         """test Argument.__showtree__()"""
@@ -67,15 +69,15 @@ class TestArgument(TreeEqualityTestCase):
         valid = [
             "{{{", (getter, node1.name), "}}}", "{{{", (getter, node2.name),
             "    | ", marker, (getter, node2.default), "}}}"]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_name(self):
         """test getter/setter for the name attribute"""
         name = wraptext("foobar")
         node1 = Argument(name)
         node2 = Argument(name, wraptext("baz"))
-        self.assertIs(name, node1.name)
-        self.assertIs(name, node2.name)
+        assert name is node1.name
+        assert name is node2.name
         node1.name = "héhehé"
         node2.name = "héhehé"
         self.assertWikicodeEqual(wraptext("héhehé"), node1.name)
@@ -86,12 +88,9 @@ class TestArgument(TreeEqualityTestCase):
         default = wraptext("baz")
         node1 = Argument(wraptext("foobar"))
         node2 = Argument(wraptext("foobar"), default)
-        self.assertIs(None, node1.default)
-        self.assertIs(default, node2.default)
+        assert None is node1.default
+        assert default is node2.default
         node1.default = "buzz"
         node2.default = None
         self.assertWikicodeEqual(wraptext("buzz"), node1.default)
-        self.assertIs(None, node2.default)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert None is node2.default
diff --git a/tests/test_attribute.py b/tests/test_attribute.py
index b0d0e85..81a1cd0 100644
--- a/tests/test_attribute.py
+++ b/tests/test_attribute.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Template
 from mwparserfromhell.nodes.extras import Attribute
@@ -32,23 +32,23 @@ class TestAttribute(TreeEqualityTestCase):
     def test_unicode(self):
         """test Attribute.__unicode__()"""
         node = Attribute(wraptext("foo"))
-        self.assertEqual(" foo", str(node))
+        assert " foo" == str(node)
         node2 = Attribute(wraptext("foo"), wraptext("bar"))
-        self.assertEqual(' foo="bar"', str(node2))
+        assert ' foo="bar"' == str(node2)
         node3 = Attribute(wraptext("a"), wraptext("b"), '"', "", " ", "   ")
-        self.assertEqual('a =   "b"', str(node3))
+        assert 'a =   "b"' == str(node3)
         node4 = Attribute(wraptext("a"), wraptext("b"), "'", "", " ", "   ")
-        self.assertEqual("a =   'b'", str(node4))
+        assert "a =   'b'" == str(node4)
         node5 = Attribute(wraptext("a"), wraptext("b"), None, "", " ", "   ")
-        self.assertEqual("a =   b", str(node5))
+        assert "a =   b" == str(node5)
         node6 = Attribute(wraptext("a"), wrap([]), None, " ", "", " ")
-        self.assertEqual(" a= ", str(node6))
+        assert " a= " == str(node6)
 
     def test_name(self):
         """test getter/setter for the name attribute"""
         name = wraptext("id")
         node = Attribute(name, wraptext("bar"))
-        self.assertIs(name, node.name)
+        assert name is node.name
         node.name = "{{id}}"
         self.assertWikicodeEqual(wrap([Template(wraptext("id"))]), node.name)
 
@@ -56,51 +56,51 @@ class TestAttribute(TreeEqualityTestCase):
         """test getter/setter for the value attribute"""
         value = wraptext("foo")
         node = Attribute(wraptext("id"), value)
-        self.assertIs(value, node.value)
+        assert value is node.value
         node.value = "{{bar}}"
         self.assertWikicodeEqual(wrap([Template(wraptext("bar"))]), node.value)
         node.value = None
-        self.assertIs(None, node.value)
+        assert None is node.value
         node2 = Attribute(wraptext("id"), wraptext("foo"), None)
         node2.value = "foo bar baz"
         self.assertWikicodeEqual(wraptext("foo bar baz"), node2.value)
-        self.assertEqual('"', node2.quotes)
+        assert '"' == node2.quotes
         node2.value = 'foo "bar" baz'
         self.assertWikicodeEqual(wraptext('foo "bar" baz'), node2.value)
-        self.assertEqual("'", node2.quotes)
+        assert "'" == node2.quotes
         node2.value = "foo 'bar' baz"
         self.assertWikicodeEqual(wraptext("foo 'bar' baz"), node2.value)
-        self.assertEqual('"', node2.quotes)
+        assert '"' == node2.quotes
         node2.value = "fo\"o 'bar' b\"az"
         self.assertWikicodeEqual(wraptext("fo\"o 'bar' b\"az"), node2.value)
-        self.assertEqual('"', node2.quotes)
+        assert '"' == node2.quotes
 
     def test_quotes(self):
         """test getter/setter for the quotes attribute"""
         node1 = Attribute(wraptext("id"), wraptext("foo"), None)
         node2 = Attribute(wraptext("id"), wraptext("bar"))
         node3 = Attribute(wraptext("id"), wraptext("foo bar baz"))
-        self.assertIs(None, node1.quotes)
-        self.assertEqual('"', node2.quotes)
+        assert None is node1.quotes
+        assert '"' == node2.quotes
         node1.quotes = "'"
         node2.quotes = None
-        self.assertEqual("'", node1.quotes)
-        self.assertIs(None, node2.quotes)
-        self.assertRaises(ValueError, setattr, node1, "quotes", "foobar")
-        self.assertRaises(ValueError, setattr, node3, "quotes", None)
-        self.assertRaises(ValueError, Attribute, wraptext("id"),
-                          wraptext("foo bar baz"), None)
+        assert "'" == node1.quotes
+        assert None is node2.quotes
+        with pytest.raises(ValueError):
+            node1.__setattr__("quotes", "foobar")
+        with pytest.raises(ValueError):
+            node3.__setattr__("quotes", None)
+        with pytest.raises(ValueError):
+            Attribute(wraptext("id"), wraptext("foo bar baz"), None)
 
     def test_padding(self):
         """test getter/setter for the padding attributes"""
         for pad in ["pad_first", "pad_before_eq", "pad_after_eq"]:
             node = Attribute(wraptext("id"), wraptext("foo"), **{pad: "\n"})
-            self.assertEqual("\n", getattr(node, pad))
+            assert "\n" == getattr(node, pad)
             setattr(node, pad, " ")
-            self.assertEqual(" ", getattr(node, pad))
+            assert " " == getattr(node, pad)
             setattr(node, pad, None)
-            self.assertEqual("", getattr(node, pad))
-            self.assertRaises(ValueError, setattr, node, pad, True)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+            assert "" == getattr(node, pad)
+            with pytest.raises(ValueError):
+                node.__setattr__(pad, True)
diff --git a/tests/test_builder.py b/tests/test_builder.py
index e5f43aa..0f7353b 100644
--- a/tests/test_builder.py
+++ b/tests/test_builder.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import (Argument, Comment, ExternalLink, Heading,
                                     HTMLEntity, Tag, Template, Text, Wikilink)
@@ -32,336 +32,328 @@ from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
 class TestBuilder(TreeEqualityTestCase):
     """Tests for the builder, which turns tokens into Wikicode objects."""
 
-    def setUp(self):
-        self.builder = Builder()
-
-    def test_text(self):
+    @pytest.fixture()
+    def builder(self):
+        return Builder()
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.Text(text="foobar")], wraptext("foobar")),
+        ([tokens.Text(text="fóóbar")], wraptext("fóóbar")),
+        ([tokens.Text(text="spam"), tokens.Text(text="eggs")],
+         wraptext("spam", "eggs")),
+    ])
+    def test_text(self, builder, test, valid):
         """tests for building Text nodes"""
-        tests = [
-            ([tokens.Text(text="foobar")], wraptext("foobar")),
-            ([tokens.Text(text="fóóbar")], wraptext("fóóbar")),
-            ([tokens.Text(text="spam"), tokens.Text(text="eggs")],
-             wraptext("spam", "eggs")),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_template(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.TemplateOpen(), tokens.Text(text="foobar"),
+          tokens.TemplateClose()],
+         wrap([Template(wraptext("foobar"))])),
+
+        ([tokens.TemplateOpen(), tokens.Text(text="spam"),
+          tokens.Text(text="eggs"), tokens.TemplateClose()],
+         wrap([Template(wraptext("spam", "eggs"))])),
+
+        ([tokens.TemplateOpen(), tokens.Text(text="foo"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
+          tokens.TemplateClose()],
+         wrap([Template(wraptext("foo"), params=[
+             Parameter(wraptext("1"), wraptext("bar"), showkey=False)])])),
+
+        ([tokens.TemplateOpen(), tokens.Text(text="foo"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
+          tokens.TemplateParamEquals(), tokens.Text(text="baz"),
+          tokens.TemplateClose()],
+         wrap([Template(wraptext("foo"), params=[
+             Parameter(wraptext("bar"), wraptext("baz"))])])),
+
+        ([tokens.TemplateOpen(), tokens.TemplateParamSeparator(),
+          tokens.TemplateParamSeparator(), tokens.TemplateParamEquals(),
+          tokens.TemplateParamSeparator(), tokens.TemplateClose()],
+         wrap([Template(wrap([]), params=[
+             Parameter(wraptext("1"), wrap([]), showkey=False),
+             Parameter(wrap([]), wrap([]), showkey=True),
+             Parameter(wraptext("2"), wrap([]), showkey=False)])])),
+
+        ([tokens.TemplateOpen(), tokens.Text(text="foo"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
+          tokens.TemplateParamEquals(), tokens.Text(text="baz"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="biz"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="buzz"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="3"),
+          tokens.TemplateParamEquals(), tokens.Text(text="buff"),
+          tokens.TemplateParamSeparator(), tokens.Text(text="baff"),
+          tokens.TemplateClose()],
+         wrap([Template(wraptext("foo"), params=[
+             Parameter(wraptext("bar"), wraptext("baz")),
+             Parameter(wraptext("1"), wraptext("biz"), showkey=False),
+             Parameter(wraptext("2"), wraptext("buzz"), showkey=False),
+             Parameter(wraptext("3"), wraptext("buff")),
+             Parameter(wraptext("3"), wraptext("baff"),
+                       showkey=False)])])),
+    ])
+    def test_template(self, builder, test, valid):
         """tests for building Template nodes"""
-        tests = [
-            ([tokens.TemplateOpen(), tokens.Text(text="foobar"),
-              tokens.TemplateClose()],
-             wrap([Template(wraptext("foobar"))])),
-
-            ([tokens.TemplateOpen(), tokens.Text(text="spam"),
-              tokens.Text(text="eggs"), tokens.TemplateClose()],
-             wrap([Template(wraptext("spam", "eggs"))])),
-
-            ([tokens.TemplateOpen(), tokens.Text(text="foo"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
-              tokens.TemplateClose()],
-             wrap([Template(wraptext("foo"), params=[
-                 Parameter(wraptext("1"), wraptext("bar"), showkey=False)])])),
-
-            ([tokens.TemplateOpen(), tokens.Text(text="foo"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
-              tokens.TemplateParamEquals(), tokens.Text(text="baz"),
-              tokens.TemplateClose()],
-             wrap([Template(wraptext("foo"), params=[
-                 Parameter(wraptext("bar"), wraptext("baz"))])])),
-
-            ([tokens.TemplateOpen(), tokens.TemplateParamSeparator(),
-              tokens.TemplateParamSeparator(), tokens.TemplateParamEquals(),
-              tokens.TemplateParamSeparator(), tokens.TemplateClose()],
-             wrap([Template(wrap([]), params=[
-                 Parameter(wraptext("1"), wrap([]), showkey=False),
-                 Parameter(wrap([]), wrap([]), showkey=True),
-                 Parameter(wraptext("2"), wrap([]), showkey=False)])])),
-
-            ([tokens.TemplateOpen(), tokens.Text(text="foo"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="bar"),
-              tokens.TemplateParamEquals(), tokens.Text(text="baz"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="biz"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="buzz"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="3"),
-              tokens.TemplateParamEquals(), tokens.Text(text="buff"),
-              tokens.TemplateParamSeparator(), tokens.Text(text="baff"),
-              tokens.TemplateClose()],
-             wrap([Template(wraptext("foo"), params=[
-                 Parameter(wraptext("bar"), wraptext("baz")),
-                 Parameter(wraptext("1"), wraptext("biz"), showkey=False),
-                 Parameter(wraptext("2"), wraptext("buzz"), showkey=False),
-                 Parameter(wraptext("3"), wraptext("buff")),
-                 Parameter(wraptext("3"), wraptext("baff"),
-                           showkey=False)])])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_argument(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.ArgumentOpen(), tokens.Text(text="foobar"),
+          tokens.ArgumentClose()],
+         wrap([Argument(wraptext("foobar"))])),
+
+        ([tokens.ArgumentOpen(), tokens.Text(text="spam"),
+          tokens.Text(text="eggs"), tokens.ArgumentClose()],
+         wrap([Argument(wraptext("spam", "eggs"))])),
+
+        ([tokens.ArgumentOpen(), tokens.Text(text="foo"),
+          tokens.ArgumentSeparator(), tokens.Text(text="bar"),
+          tokens.ArgumentClose()],
+         wrap([Argument(wraptext("foo"), wraptext("bar"))])),
+
+        ([tokens.ArgumentOpen(), tokens.Text(text="foo"),
+          tokens.Text(text="bar"), tokens.ArgumentSeparator(),
+          tokens.Text(text="baz"), tokens.Text(text="biz"),
+          tokens.ArgumentClose()],
+         wrap([Argument(wraptext("foo", "bar"), wraptext("baz", "biz"))])),
+    ])
+    def test_argument(self, builder, test, valid):
         """tests for building Argument nodes"""
-        tests = [
-            ([tokens.ArgumentOpen(), tokens.Text(text="foobar"),
-              tokens.ArgumentClose()],
-             wrap([Argument(wraptext("foobar"))])),
-
-            ([tokens.ArgumentOpen(), tokens.Text(text="spam"),
-              tokens.Text(text="eggs"), tokens.ArgumentClose()],
-             wrap([Argument(wraptext("spam", "eggs"))])),
-
-            ([tokens.ArgumentOpen(), tokens.Text(text="foo"),
-              tokens.ArgumentSeparator(), tokens.Text(text="bar"),
-              tokens.ArgumentClose()],
-             wrap([Argument(wraptext("foo"), wraptext("bar"))])),
-
-            ([tokens.ArgumentOpen(), tokens.Text(text="foo"),
-              tokens.Text(text="bar"), tokens.ArgumentSeparator(),
-              tokens.Text(text="baz"), tokens.Text(text="biz"),
-              tokens.ArgumentClose()],
-             wrap([Argument(wraptext("foo", "bar"), wraptext("baz", "biz"))])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_wikilink(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.WikilinkOpen(), tokens.Text(text="foobar"),
+          tokens.WikilinkClose()],
+         wrap([Wikilink(wraptext("foobar"))])),
+
+        ([tokens.WikilinkOpen(), tokens.Text(text="spam"),
+          tokens.Text(text="eggs"), tokens.WikilinkClose()],
+         wrap([Wikilink(wraptext("spam", "eggs"))])),
+
+        ([tokens.WikilinkOpen(), tokens.Text(text="foo"),
+          tokens.WikilinkSeparator(), tokens.Text(text="bar"),
+          tokens.WikilinkClose()],
+         wrap([Wikilink(wraptext("foo"), wraptext("bar"))])),
+
+        ([tokens.WikilinkOpen(), tokens.Text(text="foo"),
+          tokens.Text(text="bar"), tokens.WikilinkSeparator(),
+          tokens.Text(text="baz"), tokens.Text(text="biz"),
+          tokens.WikilinkClose()],
+         wrap([Wikilink(wraptext("foo", "bar"), wraptext("baz", "biz"))])),
+    ])
+    def test_wikilink(self, builder, test, valid):
         """tests for building Wikilink nodes"""
-        tests = [
-            ([tokens.WikilinkOpen(), tokens.Text(text="foobar"),
-              tokens.WikilinkClose()],
-             wrap([Wikilink(wraptext("foobar"))])),
-
-            ([tokens.WikilinkOpen(), tokens.Text(text="spam"),
-              tokens.Text(text="eggs"), tokens.WikilinkClose()],
-             wrap([Wikilink(wraptext("spam", "eggs"))])),
-
-            ([tokens.WikilinkOpen(), tokens.Text(text="foo"),
-              tokens.WikilinkSeparator(), tokens.Text(text="bar"),
-              tokens.WikilinkClose()],
-             wrap([Wikilink(wraptext("foo"), wraptext("bar"))])),
-
-            ([tokens.WikilinkOpen(), tokens.Text(text="foo"),
-              tokens.Text(text="bar"), tokens.WikilinkSeparator(),
-              tokens.Text(text="baz"), tokens.Text(text="biz"),
-              tokens.WikilinkClose()],
-             wrap([Wikilink(wraptext("foo", "bar"), wraptext("baz", "biz"))])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_external_link(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.ExternalLinkOpen(brackets=False),
+          tokens.Text(text="http://example.com/"),
+          tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example.com/"),
+                            brackets=False)])),
+
+        ([tokens.ExternalLinkOpen(brackets=True),
+          tokens.Text(text="http://example.com/"),
+          tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example.com/"))])),
+
+        ([tokens.ExternalLinkOpen(brackets=True),
+          tokens.Text(text="http://example.com/"),
+          tokens.ExternalLinkSeparator(), tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example.com/"), wrap([]))])),
+
+        ([tokens.ExternalLinkOpen(brackets=True),
+          tokens.Text(text="http://example.com/"),
+          tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),
+          tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example.com/"),
+                            wraptext("Example"))])),
+
+        ([tokens.ExternalLinkOpen(brackets=False),
+          tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),
+          tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example", ".com/foo"),
+                            brackets=False)])),
+
+        ([tokens.ExternalLinkOpen(brackets=True),
+          tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),
+          tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),
+          tokens.Text(text=" Web Page"), tokens.ExternalLinkClose()],
+         wrap([ExternalLink(wraptext("http://example", ".com/foo"),
+                            wraptext("Example", " Web Page"))])),
+    ])
+    def test_external_link(self, builder, test, valid):
         """tests for building ExternalLink nodes"""
-        tests = [
-            ([tokens.ExternalLinkOpen(brackets=False),
-              tokens.Text(text="http://example.com/"),
-              tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example.com/"),
-                                brackets=False)])),
-
-            ([tokens.ExternalLinkOpen(brackets=True),
-              tokens.Text(text="http://example.com/"),
-              tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example.com/"))])),
-
-            ([tokens.ExternalLinkOpen(brackets=True),
-              tokens.Text(text="http://example.com/"),
-              tokens.ExternalLinkSeparator(), tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example.com/"), wrap([]))])),
-
-            ([tokens.ExternalLinkOpen(brackets=True),
-              tokens.Text(text="http://example.com/"),
-              tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),
-              tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example.com/"),
-                                wraptext("Example"))])),
-
-            ([tokens.ExternalLinkOpen(brackets=False),
-              tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),
-              tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example", ".com/foo"),
-                                brackets=False)])),
-
-            ([tokens.ExternalLinkOpen(brackets=True),
-              tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),
-              tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),
-              tokens.Text(text=" Web Page"), tokens.ExternalLinkClose()],
-             wrap([ExternalLink(wraptext("http://example", ".com/foo"),
-                                wraptext("Example", " Web Page"))])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_html_entity(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.HTMLEntityStart(), tokens.Text(text="nbsp"),
+          tokens.HTMLEntityEnd()],
+         wrap([HTMLEntity("nbsp", named=True, hexadecimal=False)])),
+
+        ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),
+          tokens.Text(text="107"), tokens.HTMLEntityEnd()],
+         wrap([HTMLEntity("107", named=False, hexadecimal=False)])),
+
+        ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),
+          tokens.HTMLEntityHex(char="X"), tokens.Text(text="6B"),
+          tokens.HTMLEntityEnd()],
+         wrap([HTMLEntity("6B", named=False, hexadecimal=True,
+                          hex_char="X")])),
+    ])
+    def test_html_entity(self, builder, test, valid):
         """tests for building HTMLEntity nodes"""
-        tests = [
-            ([tokens.HTMLEntityStart(), tokens.Text(text="nbsp"),
-              tokens.HTMLEntityEnd()],
-             wrap([HTMLEntity("nbsp", named=True, hexadecimal=False)])),
-
-            ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),
-              tokens.Text(text="107"), tokens.HTMLEntityEnd()],
-             wrap([HTMLEntity("107", named=False, hexadecimal=False)])),
-
-            ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),
-              tokens.HTMLEntityHex(char="X"), tokens.Text(text="6B"),
-              tokens.HTMLEntityEnd()],
-             wrap([HTMLEntity("6B", named=False, hexadecimal=True,
-                              hex_char="X")])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_heading(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.HeadingStart(level=2), tokens.Text(text="foobar"),
+          tokens.HeadingEnd()],
+         wrap([Heading(wraptext("foobar"), 2)])),
+
+        ([tokens.HeadingStart(level=4), tokens.Text(text="spam"),
+          tokens.Text(text="eggs"), tokens.HeadingEnd()],
+         wrap([Heading(wraptext("spam", "eggs"), 4)])),
+    ])
+    def test_heading(self, builder, test, valid):
         """tests for building Heading nodes"""
-        tests = [
-            ([tokens.HeadingStart(level=2), tokens.Text(text="foobar"),
-              tokens.HeadingEnd()],
-             wrap([Heading(wraptext("foobar"), 2)])),
-
-            ([tokens.HeadingStart(level=4), tokens.Text(text="spam"),
-              tokens.Text(text="eggs"), tokens.HeadingEnd()],
-             wrap([Heading(wraptext("spam", "eggs"), 4)])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_comment(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        ([tokens.CommentStart(), tokens.Text(text="foobar"),
+          tokens.CommentEnd()],
+         wrap([Comment("foobar")])),
+
+        ([tokens.CommentStart(), tokens.Text(text="spam"),
+          tokens.Text(text="eggs"), tokens.CommentEnd()],
+         wrap([Comment("spameggs")])),
+    ])
+    def test_comment(self, builder, test, valid):
         """tests for building Comment nodes"""
-        tests = [
-            ([tokens.CommentStart(), tokens.Text(text="foobar"),
-              tokens.CommentEnd()],
-             wrap([Comment("foobar")])),
-
-            ([tokens.CommentStart(), tokens.Text(text="spam"),
-              tokens.Text(text="eggs"), tokens.CommentEnd()],
-             wrap([Comment("spameggs")])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_tag(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("test,valid", [
+        # <ref></ref>
+        ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
+          tokens.TagCloseOpen(padding=""), tokens.TagOpenClose(),
+          tokens.Text(text="ref"), tokens.TagCloseClose()],
+         wrap([Tag(wraptext("ref"), wrap([]),
+                   closing_tag=wraptext("ref"))])),
+
+        # <ref name></ref>
+        ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
+          tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="name"), tokens.TagCloseOpen(padding=""),
+          tokens.TagOpenClose(), tokens.Text(text="ref"),
+          tokens.TagCloseClose()],
+         wrap([Tag(wraptext("ref"), wrap([]),
+                  attrs=[Attribute(wraptext("name"))])])),
+
+        # <ref name="abc" />
+        ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
+          tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="name"), tokens.TagAttrEquals(),
+          tokens.TagAttrQuote(char='"'), tokens.Text(text="abc"),
+          tokens.TagCloseSelfclose(padding=" ")],
+         wrap([Tag(wraptext("ref"),
+                   attrs=[Attribute(wraptext("name"), wraptext("abc"))],
+                   self_closing=True, padding=" ")])),
+
+        # <br/>
+        ([tokens.TagOpenOpen(), tokens.Text(text="br"),
+          tokens.TagCloseSelfclose(padding="")],
+         wrap([Tag(wraptext("br"), self_closing=True)])),
+
+        # <li>
+        ([tokens.TagOpenOpen(), tokens.Text(text="li"),
+          tokens.TagCloseSelfclose(padding="", implicit=True)],
+         wrap([Tag(wraptext("li"), self_closing=True, implicit=True)])),
+
+        # </br>
+        ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
+          tokens.TagCloseSelfclose(padding="", implicit=True)],
+         wrap([Tag(wraptext("br"), self_closing=True, invalid=True,
+                   implicit=True)])),
+
+        # </br/>
+        ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
+          tokens.TagCloseSelfclose(padding="")],
+         wrap([Tag(wraptext("br"), self_closing=True, invalid=True)])),
+
+        # <ref name={{abc}}   foo="bar {{baz}}" abc={{de}}f ghi=j{{k}}{{l}}
+        #      mno =  '{{p}} [[q]] {{r}}'>[[Source]]</ref>
+        ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
+          tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="name"), tokens.TagAttrEquals(),
+          tokens.TemplateOpen(), tokens.Text(text="abc"),
+          tokens.TemplateClose(),
+          tokens.TagAttrStart(pad_first="   ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="foo"), tokens.TagAttrEquals(),
+          tokens.TagAttrQuote(char='"'), tokens.Text(text="bar "),
+          tokens.TemplateOpen(), tokens.Text(text="baz"),
+          tokens.TemplateClose(),
+          tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="abc"), tokens.TagAttrEquals(),
+          tokens.TemplateOpen(), tokens.Text(text="de"),
+          tokens.TemplateClose(), tokens.Text(text="f"),
+          tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
+                              pad_after_eq=""),
+          tokens.Text(text="ghi"), tokens.TagAttrEquals(),
+          tokens.Text(text="j"), tokens.TemplateOpen(),
+          tokens.Text(text="k"), tokens.TemplateClose(),
+          tokens.TemplateOpen(), tokens.Text(text="l"),
+          tokens.TemplateClose(),
+          tokens.TagAttrStart(pad_first=" \n ", pad_before_eq=" ",
+                              pad_after_eq="  "),
+          tokens.Text(text="mno"), tokens.TagAttrEquals(),
+          tokens.TagAttrQuote(char="'"), tokens.TemplateOpen(),
+          tokens.Text(text="p"), tokens.TemplateClose(),
+          tokens.Text(text=" "), tokens.WikilinkOpen(),
+          tokens.Text(text="q"), tokens.WikilinkClose(),
+          tokens.Text(text=" "), tokens.TemplateOpen(),
+          tokens.Text(text="r"), tokens.TemplateClose(),
+          tokens.TagCloseOpen(padding=""), tokens.WikilinkOpen(),
+          tokens.Text(text="Source"), tokens.WikilinkClose(),
+          tokens.TagOpenClose(), tokens.Text(text="ref"),
+          tokens.TagCloseClose()],
+         wrap([Tag(wraptext("ref"), wrap([Wikilink(wraptext("Source"))]), [
+                Attribute(wraptext("name"),
+                          wrap([Template(wraptext("abc"))]), None),
+                Attribute(wraptext("foo"), wrap([Text("bar "),
+                          Template(wraptext("baz"))]), pad_first="   "),
+                Attribute(wraptext("abc"), wrap([Template(wraptext("de")),
+                          Text("f")]), None),
+                Attribute(wraptext("ghi"), wrap([Text("j"),
+                          Template(wraptext("k")),
+                          Template(wraptext("l"))]), None),
+                Attribute(wraptext("mno"), wrap([Template(wraptext("p")),
+                          Text(" "), Wikilink(wraptext("q")), Text(" "),
+                          Template(wraptext("r"))]), "'", " \n ", " ",
+                          "  ")])])),
+
+        # "''italic text''"
+        ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),
+          tokens.TagCloseOpen(), tokens.Text(text="italic text"),
+          tokens.TagOpenClose(), tokens.Text(text="i"),
+          tokens.TagCloseClose()],
+         wrap([Tag(wraptext("i"), wraptext("italic text"),
+                   wiki_markup="''")])),
+
+        # * bullet
+        ([tokens.TagOpenOpen(wiki_markup="*"), tokens.Text(text="li"),
+          tokens.TagCloseSelfclose(), tokens.Text(text=" bullet")],
+         wrap([Tag(wraptext("li"), wiki_markup="*", self_closing=True),
+               Text(" bullet")])),
+    ])
+    def test_tag(self, builder, test, valid):
         """tests for building Tag nodes"""
-        tests = [
-            # <ref></ref>
-            ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
-              tokens.TagCloseOpen(padding=""), tokens.TagOpenClose(),
-              tokens.Text(text="ref"), tokens.TagCloseClose()],
-             wrap([Tag(wraptext("ref"), wrap([]),
-                       closing_tag=wraptext("ref"))])),
-
-            # <ref name></ref>
-            ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
-              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="name"), tokens.TagCloseOpen(padding=""),
-              tokens.TagOpenClose(), tokens.Text(text="ref"),
-              tokens.TagCloseClose()],
-             wrap([Tag(wraptext("ref"), wrap([]),
-                      attrs=[Attribute(wraptext("name"))])])),
-
-            # <ref name="abc" />
-            ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
-              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="name"), tokens.TagAttrEquals(),
-              tokens.TagAttrQuote(char='"'), tokens.Text(text="abc"),
-              tokens.TagCloseSelfclose(padding=" ")],
-             wrap([Tag(wraptext("ref"),
-                       attrs=[Attribute(wraptext("name"), wraptext("abc"))],
-                       self_closing=True, padding=" ")])),
-
-            # <br/>
-            ([tokens.TagOpenOpen(), tokens.Text(text="br"),
-              tokens.TagCloseSelfclose(padding="")],
-             wrap([Tag(wraptext("br"), self_closing=True)])),
-
-            # <li>
-            ([tokens.TagOpenOpen(), tokens.Text(text="li"),
-              tokens.TagCloseSelfclose(padding="", implicit=True)],
-             wrap([Tag(wraptext("li"), self_closing=True, implicit=True)])),
-
-            # </br>
-            ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
-              tokens.TagCloseSelfclose(padding="", implicit=True)],
-             wrap([Tag(wraptext("br"), self_closing=True, invalid=True,
-                       implicit=True)])),
-
-            # </br/>
-            ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
-              tokens.TagCloseSelfclose(padding="")],
-             wrap([Tag(wraptext("br"), self_closing=True, invalid=True)])),
-
-            # <ref name={{abc}}   foo="bar {{baz}}" abc={{de}}f ghi=j{{k}}{{l}}
-            #      mno =  '{{p}} [[q]] {{r}}'>[[Source]]</ref>
-            ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
-              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="name"), tokens.TagAttrEquals(),
-              tokens.TemplateOpen(), tokens.Text(text="abc"),
-              tokens.TemplateClose(),
-              tokens.TagAttrStart(pad_first="   ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="foo"), tokens.TagAttrEquals(),
-              tokens.TagAttrQuote(char='"'), tokens.Text(text="bar "),
-              tokens.TemplateOpen(), tokens.Text(text="baz"),
-              tokens.TemplateClose(),
-              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="abc"), tokens.TagAttrEquals(),
-              tokens.TemplateOpen(), tokens.Text(text="de"),
-              tokens.TemplateClose(), tokens.Text(text="f"),
-              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",
-                                  pad_after_eq=""),
-              tokens.Text(text="ghi"), tokens.TagAttrEquals(),
-              tokens.Text(text="j"), tokens.TemplateOpen(),
-              tokens.Text(text="k"), tokens.TemplateClose(),
-              tokens.TemplateOpen(), tokens.Text(text="l"),
-              tokens.TemplateClose(),
-              tokens.TagAttrStart(pad_first=" \n ", pad_before_eq=" ",
-                                  pad_after_eq="  "),
-              tokens.Text(text="mno"), tokens.TagAttrEquals(),
-              tokens.TagAttrQuote(char="'"), tokens.TemplateOpen(),
-              tokens.Text(text="p"), tokens.TemplateClose(),
-              tokens.Text(text=" "), tokens.WikilinkOpen(),
-              tokens.Text(text="q"), tokens.WikilinkClose(),
-              tokens.Text(text=" "), tokens.TemplateOpen(),
-              tokens.Text(text="r"), tokens.TemplateClose(),
-              tokens.TagCloseOpen(padding=""), tokens.WikilinkOpen(),
-              tokens.Text(text="Source"), tokens.WikilinkClose(),
-              tokens.TagOpenClose(), tokens.Text(text="ref"),
-              tokens.TagCloseClose()],
-             wrap([Tag(wraptext("ref"), wrap([Wikilink(wraptext("Source"))]), [
-                    Attribute(wraptext("name"),
-                              wrap([Template(wraptext("abc"))]), None),
-                    Attribute(wraptext("foo"), wrap([Text("bar "),
-                              Template(wraptext("baz"))]), pad_first="   "),
-                    Attribute(wraptext("abc"), wrap([Template(wraptext("de")),
-                              Text("f")]), None),
-                    Attribute(wraptext("ghi"), wrap([Text("j"),
-                              Template(wraptext("k")),
-                              Template(wraptext("l"))]), None),
-                    Attribute(wraptext("mno"), wrap([Template(wraptext("p")),
-                              Text(" "), Wikilink(wraptext("q")), Text(" "),
-                              Template(wraptext("r"))]), "'", " \n ", " ",
-                              "  ")])])),
-
-            # "''italic text''"
-            ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),
-              tokens.TagCloseOpen(), tokens.Text(text="italic text"),
-              tokens.TagOpenClose(), tokens.Text(text="i"),
-              tokens.TagCloseClose()],
-             wrap([Tag(wraptext("i"), wraptext("italic text"),
-                       wiki_markup="''")])),
-
-            # * bullet
-            ([tokens.TagOpenOpen(wiki_markup="*"), tokens.Text(text="li"),
-              tokens.TagCloseSelfclose(), tokens.Text(text=" bullet")],
-             wrap([Tag(wraptext("li"), wiki_markup="*", self_closing=True),
-                   Text(" bullet")])),
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_integration(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    def test_integration(self, builder):
         """a test for building a combination of templates together"""
         # {{{{{{{{foo}}bar|baz=biz}}buzz}}usr|{{bin}}}}
         test = [tokens.TemplateOpen(), tokens.TemplateOpen(),
@@ -380,9 +372,9 @@ class TestBuilder(TreeEqualityTestCase):
             wraptext("biz"))]), Text("buzz")])), Text("usr")]), params=[
             Parameter(wraptext("1"), wrap([Template(wraptext("bin"))]),
             showkey=False)])])
-        self.assertWikicodeEqual(valid, self.builder.build(test))
+        self.assertWikicodeEqual(valid, builder.build(test))
 
-    def test_integration2(self):
+    def test_integration2(self, builder):
         """an even more audacious test for building a horrible wikicode mess"""
         # {{a|b|{{c|[[d]]{{{e}}}}}}}[[f|{{{g}}}<!--h-->]]{{i|j=&nbsp;}}
         test = [tokens.TemplateOpen(), tokens.Text(text="a"),
@@ -412,23 +404,24 @@ class TestBuilder(TreeEqualityTestCase):
             "g")), Comment("h")])), Template(wraptext("i"), params=[
             Parameter(wraptext("j"), wrap([HTMLEntity("nbsp",
             named=True)]))])])
-        self.assertWikicodeEqual(valid, self.builder.build(test))
-
-    def test_parser_errors(self):
+        self.assertWikicodeEqual(valid, builder.build(test))
+
+    @pytest.mark.parametrize("tokens", [
+        [tokens.TemplateOpen(), tokens.TemplateParamSeparator()],
+        [tokens.TemplateOpen()], [tokens.ArgumentOpen()],
+        [tokens.WikilinkOpen()], [tokens.ExternalLinkOpen()],
+        [tokens.HeadingStart()], [tokens.CommentStart()],
+        [tokens.TagOpenOpen(), tokens.TagAttrStart()],
+        [tokens.TagOpenOpen()]
+    ])
+    def test_parser_errors(self, builder, tokens):
         """test whether ParserError gets thrown for bad input"""
-        missing_closes = [
-            [tokens.TemplateOpen(), tokens.TemplateParamSeparator()],
-            [tokens.TemplateOpen()], [tokens.ArgumentOpen()],
-            [tokens.WikilinkOpen()], [tokens.ExternalLinkOpen()],
-            [tokens.HeadingStart()], [tokens.CommentStart()],
-            [tokens.TagOpenOpen(), tokens.TagAttrStart()],
-            [tokens.TagOpenOpen()]
-        ]
-
-        msg = r"_handle_token\(\) got unexpected TemplateClose"
-        self.assertRaisesRegex(ParserError, msg, self.builder.build, [tokens.TemplateClose()])
-        for test in missing_closes:
-            self.assertRaises(ParserError, self.builder.build, test)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        with pytest.raises(ParserError):
+            builder.build(tokens)
+
+    def test_parser_errors_templateclose(self, builder):
+        with pytest.raises(
+                ParserError,
+                match=r"_handle_token\(\) got unexpected TemplateClose"
+        ):
+            builder.build([tokens.TemplateClose()])
diff --git a/tests/test_comment.py b/tests/test_comment.py
index 1024e60..886580e 100644
--- a/tests/test_comment.py
+++ b/tests/test_comment.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Comment
 
@@ -31,32 +31,30 @@ class TestComment(TreeEqualityTestCase):
     def test_unicode(self):
         """test Comment.__unicode__()"""
         node = Comment("foobar")
-        self.assertEqual("<!--foobar-->", str(node))
+        assert "<!--foobar-->" == str(node)
 
     def test_children(self):
         """test Comment.__children__()"""
         node = Comment("foobar")
         gen = node.__children__()
-        self.assertRaises(StopIteration, next, gen)
+        with pytest.raises(StopIteration):
+            next(gen)
 
     def test_strip(self):
         """test Comment.__strip__()"""
         node = Comment("foobar")
-        self.assertIs(None, node.__strip__())
+        assert node.__strip__() is None
 
     def test_showtree(self):
         """test Comment.__showtree__()"""
         output = []
         node = Comment("foobar")
         node.__showtree__(output.append, None, None)
-        self.assertEqual(["<!--foobar-->"], output)
+        assert ["<!--foobar-->"] == output
 
     def test_contents(self):
         """test getter/setter for the contents attribute"""
         node = Comment("foobar")
-        self.assertEqual("foobar", node.contents)
+        assert "foobar" == node.contents
         node.contents = "barfoo"
-        self.assertEqual("barfoo", node.contents)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert "barfoo" == node.contents
diff --git a/tests/test_ctokenizer.py b/tests/test_ctokenizer.py
deleted file mode 100644
index f9b8d2f..0000000
--- a/tests/test_ctokenizer.py
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-import unittest
-
-try:
-    from mwparserfromhell.parser._tokenizer import CTokenizer
-except ImportError:
-    CTokenizer = None
-
-from ._test_tokenizer import TokenizerTestCase
-
-@unittest.skipUnless(CTokenizer, "C tokenizer not available")
-class TestCTokenizer(TokenizerTestCase, unittest.TestCase):
-    """Test cases for the C tokenizer."""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.tokenizer = CTokenizer
-
-    if not TokenizerTestCase.skip_others:
-        def test_uses_c(self):
-            """make sure the C tokenizer identifies as using a C extension"""
-            self.assertTrue(CTokenizer.USES_C)
-            self.assertTrue(CTokenizer().USES_C)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
diff --git a/tests/test_docs.py b/tests/test_docs.py
index 2e78106..450828f 100644
--- a/tests/test_docs.py
+++ b/tests/test_docs.py
@@ -22,13 +22,13 @@
 import json
 from io import StringIO
 import os
-import unittest
+import pytest
 from urllib.parse import urlencode
 from urllib.request import urlopen
 
 import mwparserfromhell
 
-class TestDocs(unittest.TestCase):
+class TestDocs:
     """Integration test cases for mwparserfromhell's documentation."""
 
     def assertPrint(self, input, output):
@@ -36,7 +36,7 @@ class TestDocs(unittest.TestCase):
         buff = StringIO()
         print(input, end="", file=buff)
         buff.seek(0)
-        self.assertEqual(output, buff.read())
+        assert output == buff.read()
 
     def test_readme_1(self):
         """test a block of example code in the README"""
@@ -88,9 +88,9 @@ class TestDocs(unittest.TestCase):
         text = str(code)
         res = "{{cleanup|date=July 2012}} '''Foo''' is a [[bar]]. {{bar-stub}}"
         self.assertPrint(text, res)
-        self.assertEqual(text, code)
+        assert text == code
 
-    @unittest.skipIf("NOWEB" in os.environ, "web test disabled by environ var")
+    @pytest.mark.skipif("NOWEB" in os.environ, reason="web test disabled by environ var")
     def test_readme_5(self):
         """test a block of example code in the README; includes a web call"""
         url1 = "https://en.wikipedia.org/w/api.php"
@@ -109,16 +109,13 @@ class TestDocs(unittest.TestCase):
         try:
             raw = urlopen(url1, urlencode(data).encode("utf8")).read()
         except OSError:
-            self.skipTest("cannot continue because of unsuccessful web call")
+            pytest.skip("cannot continue because of unsuccessful web call")
         res = json.loads(raw.decode("utf8"))
         revision = res["query"]["pages"][0]["revisions"][0]
         text = revision["slots"]["main"]["content"]
         try:
             expected = urlopen(url2.format(title)).read().decode("utf8")
         except OSError:
-            self.skipTest("cannot continue because of unsuccessful web call")
+            pytest.skip("cannot continue because of unsuccessful web call")
         actual = mwparserfromhell.parse(text)
-        self.assertEqual(expected, actual)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert expected == actual
diff --git a/tests/test_external_link.py b/tests/test_external_link.py
index 48a7b82..3fbe32c 100644
--- a/tests/test_external_link.py
+++ b/tests/test_external_link.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import ExternalLink, Text
 
@@ -31,14 +31,14 @@ class TestExternalLink(TreeEqualityTestCase):
     def test_unicode(self):
         """test ExternalLink.__unicode__()"""
         node = ExternalLink(wraptext("http://example.com/"), brackets=False)
-        self.assertEqual("http://example.com/", str(node))
+        assert "http://example.com/" == str(node)
         node2 = ExternalLink(wraptext("http://example.com/"))
-        self.assertEqual("[http://example.com/]", str(node2))
+        assert "[http://example.com/]" == str(node2)
         node3 = ExternalLink(wraptext("http://example.com/"), wrap([]))
-        self.assertEqual("[http://example.com/ ]", str(node3))
+        assert "[http://example.com/ ]" == str(node3)
         node4 = ExternalLink(wraptext("http://example.com/"),
                              wraptext("Example Web Page"))
-        self.assertEqual("[http://example.com/ Example Web Page]", str(node4))
+        assert "[http://example.com/ Example Web Page]" == str(node4)
 
     def test_children(self):
         """test ExternalLink.__children__()"""
@@ -47,11 +47,13 @@ class TestExternalLink(TreeEqualityTestCase):
                              wrap([Text("Example"), Text("Page")]))
         gen1 = node1.__children__()
         gen2 = node2.__children__()
-        self.assertEqual(node1.url, next(gen1))
-        self.assertEqual(node2.url, next(gen2))
-        self.assertEqual(node2.title, next(gen2))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertRaises(StopIteration, next, gen2)
+        assert node1.url == next(gen1)
+        assert node2.url == next(gen2)
+        assert node2.title == next(gen2)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen2)
 
     def test_strip(self):
         """test ExternalLink.__strip__()"""
@@ -60,10 +62,10 @@ class TestExternalLink(TreeEqualityTestCase):
         node3 = ExternalLink(wraptext("http://example.com"), wrap([]))
         node4 = ExternalLink(wraptext("http://example.com"), wraptext("Link"))
 
-        self.assertEqual("http://example.com", node1.__strip__())
-        self.assertEqual(None, node2.__strip__())
-        self.assertEqual(None, node3.__strip__())
-        self.assertEqual("Link", node4.__strip__())
+        assert "http://example.com" == node1.__strip__()
+        assert node2.__strip__() is None
+        assert node3.__strip__() is None
+        assert "Link" == node4.__strip__()
 
     def test_showtree(self):
         """test ExternalLink.__showtree__()"""
@@ -78,15 +80,15 @@ class TestExternalLink(TreeEqualityTestCase):
         valid = [
             (getter, node1.url), "[", (getter, node2.url),
             (getter, node2.title), "]"]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_url(self):
         """test getter/setter for the url attribute"""
         url = wraptext("http://example.com/")
         node1 = ExternalLink(url, brackets=False)
         node2 = ExternalLink(url, wraptext("Example"))
-        self.assertIs(url, node1.url)
-        self.assertIs(url, node2.url)
+        assert url is node1.url
+        assert url is node2.url
         node1.url = "mailto:héhehé@spam.com"
         node2.url = "mailto:héhehé@spam.com"
         self.assertWikicodeEqual(wraptext("mailto:héhehé@spam.com"), node1.url)
@@ -97,10 +99,10 @@ class TestExternalLink(TreeEqualityTestCase):
         title = wraptext("Example!")
         node1 = ExternalLink(wraptext("http://example.com/"), brackets=False)
         node2 = ExternalLink(wraptext("http://example.com/"), title)
-        self.assertIs(None, node1.title)
-        self.assertIs(title, node2.title)
+        assert None is node1.title
+        assert title is node2.title
         node2.title = None
-        self.assertIs(None, node2.title)
+        assert None is node2.title
         node2.title = "My Website"
         self.assertWikicodeEqual(wraptext("My Website"), node2.title)
 
@@ -108,14 +110,11 @@ class TestExternalLink(TreeEqualityTestCase):
         """test getter/setter for the brackets attribute"""
         node1 = ExternalLink(wraptext("http://example.com/"), brackets=False)
         node2 = ExternalLink(wraptext("http://example.com/"), wraptext("Link"))
-        self.assertFalse(node1.brackets)
-        self.assertTrue(node2.brackets)
+        assert node1.brackets is False
+        assert node2.brackets is True
         node1.brackets = True
         node2.brackets = False
-        self.assertTrue(node1.brackets)
-        self.assertFalse(node2.brackets)
-        self.assertEqual("[http://example.com/]", str(node1))
-        self.assertEqual("http://example.com/", str(node2))
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert node1.brackets is True
+        assert node2.brackets is False
+        assert "[http://example.com/]" == str(node1)
+        assert "http://example.com/" == str(node2)
diff --git a/tests/test_heading.py b/tests/test_heading.py
index 46c6258..63fa3f9 100644
--- a/tests/test_heading.py
+++ b/tests/test_heading.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Heading, Text
 
@@ -31,21 +31,22 @@ class TestHeading(TreeEqualityTestCase):
     def test_unicode(self):
         """test Heading.__unicode__()"""
         node = Heading(wraptext("foobar"), 2)
-        self.assertEqual("==foobar==", str(node))
+        assert "==foobar==" == str(node)
         node2 = Heading(wraptext(" zzz "), 5)
-        self.assertEqual("===== zzz =====", str(node2))
+        assert "===== zzz =====" == str(node2)
 
     def test_children(self):
         """test Heading.__children__()"""
         node = Heading(wrap([Text("foo"), Text("bar")]), 3)
         gen = node.__children__()
-        self.assertEqual(node.title, next(gen))
-        self.assertRaises(StopIteration, next, gen)
+        assert node.title == next(gen)
+        with pytest.raises(StopIteration):
+            next(gen)
 
     def test_strip(self):
         """test Heading.__strip__()"""
         node = Heading(wraptext("foobar"), 3)
-        self.assertEqual("foobar", node.__strip__())
+        assert "foobar" == node.__strip__()
 
     def test_showtree(self):
         """test Heading.__showtree__()"""
@@ -58,26 +59,27 @@ class TestHeading(TreeEqualityTestCase):
         node2.__showtree__(output.append, get, None)
         valid = ["===", (getter, node1.title), "===",
                  "====", (getter, node2.title), "===="]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_title(self):
         """test getter/setter for the title attribute"""
         title = wraptext("foobar")
         node = Heading(title, 3)
-        self.assertIs(title, node.title)
+        assert title is node.title
         node.title = "héhehé"
         self.assertWikicodeEqual(wraptext("héhehé"), node.title)
 
     def test_level(self):
         """test getter/setter for the level attribute"""
         node = Heading(wraptext("foobar"), 3)
-        self.assertEqual(3, node.level)
+        assert 3 == node.level
         node.level = 5
-        self.assertEqual(5, node.level)
-        self.assertRaises(ValueError, setattr, node, "level", 0)
-        self.assertRaises(ValueError, setattr, node, "level", 7)
-        self.assertRaises(ValueError, setattr, node, "level", "abc")
-        self.assertRaises(ValueError, setattr, node, "level", False)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert 5 == node.level
+        with pytest.raises(ValueError):
+            node.__setattr__("level", 0)
+        with pytest.raises(ValueError):
+            node.__setattr__("level", 7)
+        with pytest.raises(ValueError):
+            node.__setattr__("level", "abc")
+        with pytest.raises(ValueError):
+            node.__setattr__("level", False)
diff --git a/tests/test_html_entity.py b/tests/test_html_entity.py
index 273ee21..c320747 100644
--- a/tests/test_html_entity.py
+++ b/tests/test_html_entity.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import HTMLEntity
 
@@ -34,16 +34,17 @@ class TestHTMLEntity(TreeEqualityTestCase):
         node2 = HTMLEntity("107", named=False, hexadecimal=False)
         node3 = HTMLEntity("6b", named=False, hexadecimal=True)
         node4 = HTMLEntity("6C", named=False, hexadecimal=True, hex_char="X")
-        self.assertEqual("&nbsp;", str(node1))
-        self.assertEqual("&#107;", str(node2))
-        self.assertEqual("&#x6b;", str(node3))
-        self.assertEqual("&#X6C;", str(node4))
+        assert "&nbsp;" == str(node1)
+        assert "&#107;" == str(node2)
+        assert "&#x6b;" == str(node3)
+        assert "&#X6C;" == str(node4)
 
     def test_children(self):
         """test HTMLEntity.__children__()"""
         node = HTMLEntity("nbsp", named=True, hexadecimal=False)
         gen = node.__children__()
-        self.assertRaises(StopIteration, next, gen)
+        with pytest.raises(StopIteration):
+            next(gen)
 
     def test_strip(self):
         """test HTMLEntity.__strip__()"""
@@ -51,12 +52,12 @@ class TestHTMLEntity(TreeEqualityTestCase):
         node2 = HTMLEntity("107", named=False, hexadecimal=False)
         node3 = HTMLEntity("e9", named=False, hexadecimal=True)
 
-        self.assertEqual("\xa0", node1.__strip__(normalize=True))
-        self.assertEqual("&nbsp;", node1.__strip__(normalize=False))
-        self.assertEqual("k", node2.__strip__(normalize=True))
-        self.assertEqual("&#107;", node2.__strip__(normalize=False))
-        self.assertEqual("é", node3.__strip__(normalize=True))
-        self.assertEqual("&#xe9;", node3.__strip__(normalize=False))
+        assert "\xa0" == node1.__strip__(normalize=True)
+        assert "&nbsp;" == node1.__strip__(normalize=False)
+        assert "k" == node2.__strip__(normalize=True)
+        assert "&#107;" == node2.__strip__(normalize=False)
+        assert "é" == node3.__strip__(normalize=True)
+        assert "&#xe9;" == node3.__strip__(normalize=False)
 
     def test_showtree(self):
         """test HTMLEntity.__showtree__()"""
@@ -68,88 +69,102 @@ class TestHTMLEntity(TreeEqualityTestCase):
         node2.__showtree__(output.append, None, None)
         node3.__showtree__(output.append, None, None)
         res = ["&nbsp;", "&#107;", "&#xe9;"]
-        self.assertEqual(res, output)
+        assert res == output
 
     def test_value(self):
         """test getter/setter for the value attribute"""
         node1 = HTMLEntity("nbsp")
         node2 = HTMLEntity("107")
         node3 = HTMLEntity("e9")
-        self.assertEqual("nbsp", node1.value)
-        self.assertEqual("107", node2.value)
-        self.assertEqual("e9", node3.value)
+        assert "nbsp" == node1.value
+        assert "107" == node2.value
+        assert "e9" == node3.value
 
         node1.value = "ffa4"
         node2.value = 72
         node3.value = "Sigma"
-        self.assertEqual("ffa4", node1.value)
-        self.assertFalse(node1.named)
-        self.assertTrue(node1.hexadecimal)
-        self.assertEqual("72", node2.value)
-        self.assertFalse(node2.named)
-        self.assertFalse(node2.hexadecimal)
-        self.assertEqual("Sigma", node3.value)
-        self.assertTrue(node3.named)
-        self.assertFalse(node3.hexadecimal)
+        assert "ffa4" == node1.value
+        assert node1.named is False
+        assert node1.hexadecimal is True
+        assert "72" == node2.value
+        assert node2.named is False
+        assert node2.hexadecimal is False
+        assert "Sigma" == node3.value
+        assert node3.named is True
+        assert node3.hexadecimal is False
 
         node1.value = "10FFFF"
         node2.value = 110000
         node2.value = 1114111
-        self.assertRaises(ValueError, setattr, node3, "value", "")
-        self.assertRaises(ValueError, setattr, node3, "value", "foobar")
-        self.assertRaises(ValueError, setattr, node3, "value", True)
-        self.assertRaises(ValueError, setattr, node3, "value", -1)
-        self.assertRaises(ValueError, setattr, node1, "value", 110000)
-        self.assertRaises(ValueError, setattr, node1, "value", "1114112")
-        self.assertRaises(ValueError, setattr, node1, "value", "12FFFF")
+        with pytest.raises(ValueError):
+            node3.__setattr__("value", "")
+        with pytest.raises(ValueError):
+            node3.__setattr__("value", "foobar")
+        with pytest.raises(ValueError):
+            node3.__setattr__("value", True)
+        with pytest.raises(ValueError):
+            node3.__setattr__("value", -1)
+        with pytest.raises(ValueError):
+            node1.__setattr__("value", 110000)
+        with pytest.raises(ValueError):
+            node1.__setattr__("value", "1114112")
+        with pytest.raises(ValueError):
+            node1.__setattr__("value", "12FFFF")
 
     def test_named(self):
         """test getter/setter for the named attribute"""
         node1 = HTMLEntity("nbsp")
         node2 = HTMLEntity("107")
         node3 = HTMLEntity("e9")
-        self.assertTrue(node1.named)
-        self.assertFalse(node2.named)
-        self.assertFalse(node3.named)
+        assert node1.named is True
+        assert node2.named is False
+        assert node3.named is False
         node1.named = 1
         node2.named = 0
         node3.named = 0
-        self.assertTrue(node1.named)
-        self.assertFalse(node2.named)
-        self.assertFalse(node3.named)
-        self.assertRaises(ValueError, setattr, node1, "named", False)
-        self.assertRaises(ValueError, setattr, node2, "named", True)
-        self.assertRaises(ValueError, setattr, node3, "named", True)
+        assert node1.named is True
+        assert node2.named is False
+        assert node3.named is False
+        with pytest.raises(ValueError):
+            node1.__setattr__("named", False)
+        with pytest.raises(ValueError):
+            node2.__setattr__("named", True)
+        with pytest.raises(ValueError):
+            node3.__setattr__("named", True)
 
     def test_hexadecimal(self):
         """test getter/setter for the hexadecimal attribute"""
         node1 = HTMLEntity("nbsp")
         node2 = HTMLEntity("107")
         node3 = HTMLEntity("e9")
-        self.assertFalse(node1.hexadecimal)
-        self.assertFalse(node2.hexadecimal)
-        self.assertTrue(node3.hexadecimal)
+        assert node1.hexadecimal is False
+        assert node2.hexadecimal is False
+        assert node3.hexadecimal is True
         node1.hexadecimal = False
         node2.hexadecimal = True
         node3.hexadecimal = False
-        self.assertFalse(node1.hexadecimal)
-        self.assertTrue(node2.hexadecimal)
-        self.assertFalse(node3.hexadecimal)
-        self.assertRaises(ValueError, setattr, node1, "hexadecimal", True)
+        assert node1.hexadecimal is False
+        assert node2.hexadecimal is True
+        assert node3.hexadecimal is False
+        with pytest.raises(ValueError):
+            node1.__setattr__("hexadecimal", True)
 
     def test_hex_char(self):
         """test getter/setter for the hex_char attribute"""
         node1 = HTMLEntity("e9")
         node2 = HTMLEntity("e9", hex_char="X")
-        self.assertEqual("x", node1.hex_char)
-        self.assertEqual("X", node2.hex_char)
+        assert "x" == node1.hex_char
+        assert "X" == node2.hex_char
         node1.hex_char = "X"
         node2.hex_char = "x"
-        self.assertEqual("X", node1.hex_char)
-        self.assertEqual("x", node2.hex_char)
-        self.assertRaises(ValueError, setattr, node1, "hex_char", 123)
-        self.assertRaises(ValueError, setattr, node1, "hex_char", "foobar")
-        self.assertRaises(ValueError, setattr, node1, "hex_char", True)
+        assert "X" == node1.hex_char
+        assert "x" == node2.hex_char
+        with pytest.raises(ValueError):
+            node1.__setattr__("hex_char", 123)
+        with pytest.raises(ValueError):
+            node1.__setattr__("hex_char", "foobar")
+        with pytest.raises(ValueError):
+            node1.__setattr__("hex_char", True)
 
     def test_normalize(self):
         """test getter/setter for the normalize attribute"""
@@ -159,12 +174,11 @@ class TestHTMLEntity(TreeEqualityTestCase):
         node4 = HTMLEntity("1f648")
         node5 = HTMLEntity("-2")
         node6 = HTMLEntity("110000", named=False, hexadecimal=True)
-        self.assertEqual("\xa0", node1.normalize())
-        self.assertEqual("k", node2.normalize())
-        self.assertEqual("é", node3.normalize())
-        self.assertEqual("\U0001F648", node4.normalize())
-        self.assertRaises(ValueError, node5.normalize)
-        self.assertRaises(ValueError, node6.normalize)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert "\xa0" == node1.normalize()
+        assert "k" == node2.normalize()
+        assert "é" == node3.normalize()
+        assert "\U0001F648" == node4.normalize()
+        with pytest.raises(ValueError):
+            node5.normalize()
+        with pytest.raises(ValueError):
+            node6.normalize()
diff --git a/tests/test_parameter.py b/tests/test_parameter.py
index d53c7af..51e598e 100644
--- a/tests/test_parameter.py
+++ b/tests/test_parameter.py
@@ -19,9 +19,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
-from mwparserfromhell.nodes import Text
 from mwparserfromhell.nodes.extras import Parameter
 
 from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
@@ -32,9 +31,9 @@ class TestParameter(TreeEqualityTestCase):
     def test_unicode(self):
         """test Parameter.__unicode__()"""
         node = Parameter(wraptext("1"), wraptext("foo"), showkey=False)
-        self.assertEqual("foo", str(node))
+        assert "foo" == str(node)
         node2 = Parameter(wraptext("foo"), wraptext("bar"))
-        self.assertEqual("foo=bar", str(node2))
+        assert "foo=bar" == str(node2)
 
     def test_name(self):
         """test getter/setter for the name attribute"""
@@ -42,8 +41,8 @@ class TestParameter(TreeEqualityTestCase):
         name2 = wraptext("foobar")
         node1 = Parameter(name1, wraptext("foobar"), showkey=False)
         node2 = Parameter(name2, wraptext("baz"))
-        self.assertIs(name1, node1.name)
-        self.assertIs(name2, node2.name)
+        assert name1 is node1.name
+        assert name2 is node2.name
         node1.name = "héhehé"
         node2.name = "héhehé"
         self.assertWikicodeEqual(wraptext("héhehé"), node1.name)
@@ -53,7 +52,7 @@ class TestParameter(TreeEqualityTestCase):
         """test getter/setter for the value attribute"""
         value = wraptext("bar")
         node = Parameter(wraptext("foo"), value)
-        self.assertIs(value, node.value)
+        assert value is node.value
         node.value = "héhehé"
         self.assertWikicodeEqual(wraptext("héhehé"), node.value)
 
@@ -61,13 +60,11 @@ class TestParameter(TreeEqualityTestCase):
         """test getter/setter for the showkey attribute"""
         node1 = Parameter(wraptext("1"), wraptext("foo"), showkey=False)
         node2 = Parameter(wraptext("foo"), wraptext("bar"))
-        self.assertFalse(node1.showkey)
-        self.assertTrue(node2.showkey)
+        assert node1.showkey is False
+        assert node2.showkey is True
         node1.showkey = True
-        self.assertTrue(node1.showkey)
+        assert node1.showkey is True
         node1.showkey = ""
-        self.assertFalse(node1.showkey)
-        self.assertRaises(ValueError, setattr, node2, "showkey", False)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert node1.showkey is False
+        with pytest.raises(ValueError):
+            node2.__setattr__("showkey", False)
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 22a76f6..ca287eb 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell import parser
 from mwparserfromhell.nodes import Tag, Template, Text, Wikilink
@@ -30,16 +30,19 @@ from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
 class TestParser(TreeEqualityTestCase):
     """Tests for the Parser class itself, which tokenizes and builds nodes."""
 
-    def test_use_c(self):
+    @pytest.fixture()
+    def pyparser(self):
         """make sure the correct tokenizer is used"""
         restore = parser.use_c
         if parser.use_c:
-            self.assertTrue(parser.Parser()._tokenizer.USES_C)
             parser.use_c = False
-        self.assertFalse(parser.Parser()._tokenizer.USES_C)
+        yield
         parser.use_c = restore
 
-    def test_parsing(self):
+    def test_use_c(self, pyparser):
+        assert parser.Parser()._tokenizer.USES_C is False
+
+    def test_parsing(self, pyparser):
         """integration test for parsing overall"""
         text = "this is text; {{this|is=a|template={{with|[[links]]|in}}it}}"
         expected = wrap([
@@ -61,26 +64,15 @@ class TestParser(TreeEqualityTestCase):
         actual = parser.Parser().parse(text)
         self.assertWikicodeEqual(expected, actual)
 
-    def test_skip_style_tags(self):
+    def test_skip_style_tags(self, pyparser):
         """test Parser.parse(skip_style_tags=True)"""
-        def test():
-            with_style = parser.Parser().parse(text, skip_style_tags=False)
-            without_style = parser.Parser().parse(text, skip_style_tags=True)
-            self.assertWikicodeEqual(a, with_style)
-            self.assertWikicodeEqual(b, without_style)
-
         text = "This is an example with ''italics''!"
         a = wrap([Text("This is an example with "),
                   Tag(wraptext("i"), wraptext("italics"), wiki_markup="''"),
                   Text("!")])
         b = wraptext("This is an example with ''italics''!")
 
-        restore = parser.use_c
-        if parser.use_c:
-            test()
-            parser.use_c = False
-        test()
-        parser.use_c = restore
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        with_style = parser.Parser().parse(text, skip_style_tags=False)
+        without_style = parser.Parser().parse(text, skip_style_tags=True)
+        self.assertWikicodeEqual(a, with_style)
+        self.assertWikicodeEqual(b, without_style)
diff --git a/tests/test_pytokenizer.py b/tests/test_pytokenizer.py
deleted file mode 100644
index 9fd0c3e..0000000
--- a/tests/test_pytokenizer.py
+++ /dev/null
@@ -1,48 +0,0 @@
-#
-# Copyright (C) 2012-2019 Ben Kurtovic <ben.kurtovic@gmail.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-import unittest
-
-from mwparserfromhell.parser import contexts
-from mwparserfromhell.parser.tokenizer import Tokenizer
-
-from ._test_tokenizer import TokenizerTestCase
-
-class TestPyTokenizer(TokenizerTestCase, unittest.TestCase):
-    """Test cases for the Python tokenizer."""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.tokenizer = Tokenizer
-
-    if not TokenizerTestCase.skip_others:
-        def test_uses_c(self):
-            """make sure the Python tokenizer identifies as not using C"""
-            self.assertFalse(Tokenizer.USES_C)
-            self.assertFalse(Tokenizer().USES_C)
-
-    def test_describe_context(self):
-        self.assertEqual("", contexts.describe(0))
-        ctx = contexts.describe(contexts.TEMPLATE_PARAM_KEY|contexts.HAS_TEXT)
-        self.assertEqual("TEMPLATE_PARAM_KEY|HAS_TEXT", ctx)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
diff --git a/tests/test_roundtripping.py b/tests/test_roundtripping.py
deleted file mode 100644
index 9ecd5bd..0000000
--- a/tests/test_roundtripping.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#
-# Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-import unittest
-
-from ._test_tokenizer import TokenizerTestCase
-
-class TestRoundtripping(TokenizerTestCase, unittest.TestCase):
-    """Test cases for roundtripping tokens back to wikitext."""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.roundtrip = True
-
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
diff --git a/tests/test_smart_list.py b/tests/test_smart_list.py
index 16d99e7..d6a13e2 100644
--- a/tests/test_smart_list.py
+++ b/tests/test_smart_list.py
@@ -19,104 +19,103 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.smart_list import SmartList
 from mwparserfromhell.smart_list.ListProxy import _ListProxy
 
 
-class TestSmartList(unittest.TestCase):
+class TestSmartList:
     """Test cases for the SmartList class and its child, _ListProxy."""
 
     def _test_get_set_del_item(self, builder):
         """Run tests on __get/set/delitem__ of a list built with *builder*."""
-        def assign(L, s1, s2, s3, val):
-            L[s1:s2:s3] = val
-        def delete(L, s1):
-            del L[s1]
-
         list1 = builder([0, 1, 2, 3, "one", "two"])
         list2 = builder(list(range(10)))
 
-        self.assertEqual(1, list1[1])
-        self.assertEqual("one", list1[-2])
-        self.assertEqual([2, 3], list1[2:4])
-        self.assertRaises(IndexError, lambda: list1[6])
-        self.assertRaises(IndexError, lambda: list1[-7])
-
-        self.assertEqual([0, 1, 2], list1[:3])
-        self.assertEqual([0, 1, 2, 3, "one", "two"], list1[:])
-        self.assertEqual([3, "one", "two"], list1[3:])
-        self.assertEqual([3, "one", "two"], list1[3:100])
-        self.assertEqual(["one", "two"], list1[-2:])
-        self.assertEqual([0, 1], list1[:-4])
-        self.assertEqual([], list1[6:])
-        self.assertEqual([], list1[4:2])
-
-        self.assertEqual([0, 2, "one"], list1[0:5:2])
-        self.assertEqual([0, 2], list1[0:-3:2])
-        self.assertEqual([0, 1, 2, 3, "one", "two"], list1[::])
-        self.assertEqual([2, 3, "one", "two"], list1[2::])
-        self.assertEqual([0, 1, 2, 3], list1[:4:])
-        self.assertEqual([2, 3], list1[2:4:])
-        self.assertEqual([0, 2, 4, 6, 8], list2[::2])
-        self.assertEqual([2, 5, 8], list2[2::3])
-        self.assertEqual([0, 3], list2[:6:3])
-        self.assertEqual([2, 5, 8], list2[-8:9:3])
-        self.assertEqual([], list2[100000:1000:-100])
+        assert 1 == list1[1]
+        assert "one" == list1[-2]
+        assert [2 == 3], list1[2:4]
+        with pytest.raises(IndexError):
+            list1[6]
+        with pytest.raises(IndexError):
+            list1[-7]
+
+        assert [0 == 1, 2], list1[:3]
+        assert [0 == 1, 2, 3, "one", "two"], list1[:]
+        assert [3 == "one", "two"], list1[3:]
+        assert [3 == "one", "two"], list1[3:100]
+        assert ["one" == "two"], list1[-2:]
+        assert [0 == 1], list1[:-4]
+        assert [] == list1[6:]
+        assert [] == list1[4:2]
+
+        assert [0 == 2, "one"], list1[0:5:2]
+        assert [0 == 2], list1[0:-3:2]
+        assert [0 == 1, 2, 3, "one", "two"], list1[::]
+        assert [2 == 3, "one", "two"], list1[2::]
+        assert [0 == 1, 2, 3], list1[:4:]
+        assert [2 == 3], list1[2:4:]
+        assert [0 == 2, 4, 6, 8], list2[::2]
+        assert [2 == 5, 8], list2[2::3]
+        assert [0 == 3], list2[:6:3]
+        assert [2 == 5, 8], list2[-8:9:3]
+        assert [] == list2[100000:1000:-100]
 
         list1[3] = 100
-        self.assertEqual(100, list1[3])
+        assert 100 == list1[3]
         list1[-3] = 101
-        self.assertEqual([0, 1, 2, 101, "one", "two"], list1)
+        assert [0 == 1, 2, 101, "one", "two"], list1
         list1[5:] = [6, 7, 8]
-        self.assertEqual([6, 7, 8], list1[5:])
-        self.assertEqual([0, 1, 2, 101, "one", 6, 7, 8], list1)
+        assert [6 == 7, 8], list1[5:]
+        assert [0 == 1, 2, 101, "one", 6, 7, 8], list1
         list1[2:4] = [-1, -2, -3, -4, -5]
-        self.assertEqual([0, 1, -1, -2, -3, -4, -5, "one", 6, 7, 8], list1)
+        assert [0 == 1, -1, -2, -3, -4, -5, "one", 6, 7, 8], list1
         list1[0:-3] = [99]
-        self.assertEqual([99, 6, 7, 8], list1)
+        assert [99 == 6, 7, 8], list1
         list2[0:6:2] = [100, 102, 104]
-        self.assertEqual([100, 1, 102, 3, 104, 5, 6, 7, 8, 9], list2)
+        assert [100 == 1, 102, 3, 104, 5, 6, 7, 8, 9], list2
         list2[::3] = [200, 203, 206, 209]
-        self.assertEqual([200, 1, 102, 203, 104, 5, 206, 7, 8, 209], list2)
+        assert [200 == 1, 102, 203, 104, 5, 206, 7, 8, 209], list2
         list2[::] = range(7)
-        self.assertEqual([0, 1, 2, 3, 4, 5, 6], list2)
-        self.assertRaises(ValueError, assign, list2, 0, 5, 2,
-                          [100, 102, 104, 106])
-        with self.assertRaises(IndexError):
+        assert [0 == 1, 2, 3, 4, 5, 6], list2
+        with pytest.raises(ValueError):
+            list2[0:5:2] = [100, 102, 104, 106]
+        with pytest.raises(IndexError):
             list2[7] = "foo"
-        with self.assertRaises(IndexError):
+        with pytest.raises(IndexError):
             list2[-8] = "foo"
 
         del list2[2]
-        self.assertEqual([0, 1, 3, 4, 5, 6], list2)
+        assert [0 == 1, 3, 4, 5, 6], list2
         del list2[-3]
-        self.assertEqual([0, 1, 3, 5, 6], list2)
-        self.assertRaises(IndexError, delete, list2, 100)
-        self.assertRaises(IndexError, delete, list2, -6)
+        assert [0 == 1, 3, 5, 6], list2
+        with pytest.raises(IndexError):
+            del list2[100]
+        with pytest.raises(IndexError):
+            del list2[-6]
         list2[:] = range(10)
         del list2[3:6]
-        self.assertEqual([0, 1, 2, 6, 7, 8, 9], list2)
+        assert [0 == 1, 2, 6, 7, 8, 9], list2
         del list2[-2:]
-        self.assertEqual([0, 1, 2, 6, 7], list2)
+        assert [0 == 1, 2, 6, 7], list2
         del list2[:2]
-        self.assertEqual([2, 6, 7], list2)
+        assert [2 == 6, 7], list2
         list2[:] = range(10)
         del list2[2:8:2]
-        self.assertEqual([0, 1, 3, 5, 7, 8, 9], list2)
+        assert [0 == 1, 3, 5, 7, 8, 9], list2
 
     def _test_add_radd_iadd(self, builder):
         """Run tests on __r/i/add__ of a list built with *builder*."""
         list1 = builder(range(5))
         list2 = builder(range(5, 10))
-        self.assertEqual([0, 1, 2, 3, 4, 5, 6], list1 + [5, 6])
-        self.assertEqual([0, 1, 2, 3, 4], list1)
-        self.assertEqual(list(range(10)), list1 + list2)
-        self.assertEqual([-2, -1, 0, 1, 2, 3, 4], [-2, -1] + list1)
-        self.assertEqual([0, 1, 2, 3, 4], list1)
+        assert [0 == 1, 2, 3, 4, 5, 6], list1 + [5, 6]
+        assert [0 == 1, 2, 3, 4], list1
+        assert list(range(10)) == list1 + list2
+        assert [-2 == -1, 0, 1, 2, 3, 4], [-2, -1] + list1
+        assert [0 == 1, 2, 3, 4], list1
         list1 += ["foo", "bar", "baz"]
-        self.assertEqual([0, 1, 2, 3, 4, "foo", "bar", "baz"], list1)
+        assert [0 == 1, 2, 3, 4, "foo", "bar", "baz"], list1
 
     def _test_other_magic_methods(self, builder):
         """Run tests on other magic methods of a list built with *builder*."""
@@ -125,80 +124,82 @@ class TestSmartList(unittest.TestCase):
         list3 = builder([0, 2, 3, 4])
         list4 = builder([0, 1, 2])
 
-        self.assertEqual("[0, 1, 2, 3, 'one', 'two']", str(list1))
-        self.assertEqual(b"\x00\x01\x02", bytes(list4))
-        self.assertEqual("[0, 1, 2, 3, 'one', 'two']", repr(list1))
+        assert "[0 == 1, 2, 3, 'one', 'two']", str(list1)
+        assert b"\x00\x01\x02" == bytes(list4)
+        assert "[0 == 1, 2, 3, 'one', 'two']", repr(list1)
 
-        self.assertLess(list1, list3)
-        self.assertLessEqual(list1, list3)
-        self.assertNotEqual(list1, list3)
-        self.assertNotEqual(list1, list3)
-        self.assertLessEqual(list1, list3)
-        self.assertLess(list1, list3)
+        assert list1 < list3
+        assert list1 <= list3
+        assert list1 != list3
+        assert list1 != list3
+        assert list1 <= list3
+        assert list1 < list3
 
         other1 = [0, 2, 3, 4]
-        self.assertLess(list1, other1)
-        self.assertLessEqual(list1, other1)
-        self.assertNotEqual(list1, other1)
-        self.assertNotEqual(list1, other1)
-        self.assertLessEqual(list1, other1)
-        self.assertLess(list1, other1)
+        assert list1 < other1
+        assert list1 <= other1
+        assert list1 != other1
+        assert list1 != other1
+        assert list1 <= other1
+        assert list1 < other1
 
         other2 = [0, 0, 1, 2]
-        self.assertGreaterEqual(list1, other2)
-        self.assertGreater(list1, other2)
-        self.assertNotEqual(list1, other2)
-        self.assertNotEqual(list1, other2)
-        self.assertGreater(list1, other2)
-        self.assertGreaterEqual(list1, other2)
+        assert list1 >= other2
+        assert list1 > other2
+        assert list1 != other2
+        assert list1 != other2
+        assert list1 > other2
+        assert list1 >= other2
 
         other3 = [0, 1, 2, 3, "one", "two"]
-        self.assertGreaterEqual(list1, other3)
-        self.assertLessEqual(list1, other3)
-        self.assertEqual(list1, other3)
-        self.assertEqual(list1, other3)
-        self.assertLessEqual(list1, other3)
-        self.assertGreaterEqual(list1, other3)
+        assert list1 >= other3
+        assert list1 <= other3
+        assert list1 == other3
+        assert list1 == other3
+        assert list1 <= other3
+        assert list1 >= other3
 
-        self.assertTrue(bool(list1))
-        self.assertFalse(bool(list2))
+        assert bool(list1) is True
+        assert bool(list2) is False
 
-        self.assertEqual(6, len(list1))
-        self.assertEqual(0, len(list2))
+        assert 6 == len(list1)
+        assert 0 == len(list2)
 
         out = []
         for obj in list1:
             out.append(obj)
-        self.assertEqual([0, 1, 2, 3, "one", "two"], out)
+        assert [0 == 1, 2, 3, "one", "two"], out
 
         out = []
         for ch in list2:
             out.append(ch)
-        self.assertEqual([], out)
+        assert [] == out
 
         gen1 = iter(list1)
         out = []
         for i in range(len(list1)):
             out.append(next(gen1))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertEqual([0, 1, 2, 3, "one", "two"], out)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        assert [0 == 1, 2, 3, "one", "two"], out
         gen2 = iter(list2)
-        self.assertRaises(StopIteration, next, gen2)
+        with pytest.raises(StopIteration):
+            next(gen2)
 
-        self.assertEqual(["two", "one", 3, 2, 1, 0], list(reversed(list1)))
-        self.assertEqual([], list(reversed(list2)))
+        assert ["two" == "one", 3, 2, 1, 0], list(reversed(list1))
+        assert [] == list(reversed(list2))
 
-        self.assertIn("one", list1)
-        self.assertIn(3, list1)
-        self.assertNotIn(10, list1)
-        self.assertNotIn(0, list2)
+        assert "one" in list1
+        assert 3 in list1
+        assert 10 not in list1
+        assert 0 not in list2
 
-        self.assertEqual([], list2 * 5)
-        self.assertEqual([], 5 * list2)
-        self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], list4 * 3)
-        self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], 3 * list4)
+        assert [] == list2 * 5
+        assert [] == 5 * list2
+        assert [0 == 1, 2, 0, 1, 2, 0, 1, 2], list4 * 3
+        assert [0 == 1, 2, 0, 1, 2, 0, 1, 2], 3 * list4
         list4 *= 2
-        self.assertEqual([0, 1, 2, 0, 1, 2], list4)
+        assert [0 == 1, 2, 0, 1, 2], list4
 
     def _test_list_methods(self, builder):
         """Run tests on the public methods of a list built with *builder*."""
@@ -209,56 +210,59 @@ class TestSmartList(unittest.TestCase):
         list1.append(5)
         list1.append(1)
         list1.append(2)
-        self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2], list1)
+        assert [0 == 1, 2, 3, 4, 5, 1, 2], list1
 
-        self.assertEqual(0, list1.count(6))
-        self.assertEqual(2, list1.count(1))
+        assert 0 == list1.count(6)
+        assert 2 == list1.count(1)
 
         list1.extend(range(5, 8))
-        self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
+        assert [0 == 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1
 
-        self.assertEqual(1, list1.index(1))
-        self.assertEqual(6, list1.index(1, 3))
-        self.assertEqual(6, list1.index(1, 3, 7))
-        self.assertRaises(ValueError, list1.index, 1, 3, 5)
+        assert 1 == list1.index(1)
+        assert 6 == list1.index(1, 3)
+        assert 6 == list1.index(1, 3, 7)
+        with pytest.raises(ValueError):
+            list1.index(1, 3, 5)
 
         list1.insert(0, -1)
-        self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
+        assert [-1 == 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1
         list1.insert(-1, 6.5)
-        self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7], list1)
+        assert [-1 == 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7], list1
         list1.insert(13, 8)
-        self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7, 8], list1)
-
-        self.assertEqual(8, list1.pop())
-        self.assertEqual(7, list1.pop())
-        self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5], list1)
-        self.assertEqual(-1, list1.pop(0))
-        self.assertEqual(5, list1.pop(5))
-        self.assertEqual(6.5, list1.pop(-1))
-        self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5, 6], list1)
-        self.assertEqual("foo", list2.pop())
-        self.assertRaises(IndexError, list2.pop)
-        self.assertEqual([], list2)
+        assert [-1 == 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7, 8], list1
+
+        assert 8 == list1.pop()
+        assert 7 == list1.pop()
+        assert [-1 == 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5], list1
+        assert -1 == list1.pop(0)
+        assert 5 == list1.pop(5)
+        assert 6.5 == list1.pop(-1)
+        assert [0 == 1, 2, 3, 4, 1, 2, 5, 6], list1
+        assert "foo" == list2.pop()
+        with pytest.raises(IndexError):
+            list2.pop()
+        assert [] == list2
 
         list1.remove(6)
-        self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5], list1)
+        assert [0 == 1, 2, 3, 4, 1, 2, 5], list1
         list1.remove(1)
-        self.assertEqual([0, 2, 3, 4, 1, 2, 5], list1)
+        assert [0 == 2, 3, 4, 1, 2, 5], list1
         list1.remove(1)
-        self.assertEqual([0, 2, 3, 4, 2, 5], list1)
-        self.assertRaises(ValueError, list1.remove, 1)
+        assert [0 == 2, 3, 4, 2, 5], list1
+        with pytest.raises(ValueError):
+            list1.remove(1)
 
         list1.reverse()
-        self.assertEqual([5, 2, 4, 3, 2, 0], list1)
+        assert [5 == 2, 4, 3, 2, 0], list1
 
         list1.sort()
-        self.assertEqual([0, 2, 2, 3, 4, 5], list1)
+        assert [0 == 2, 2, 3, 4, 5], list1
         list1.sort(reverse=True)
-        self.assertEqual([5, 4, 3, 2, 2, 0], list1)
+        assert [5 == 4, 3, 2, 2, 0], list1
         list3.sort(key=lambda i: i[1])
-        self.assertEqual([("d", 2), ("c", 3), ("a", 5), ("b", 8)], list3)
+        assert [("d", 2), ("c", 3), ("a", 5), ("b", 8)] == list3
         list3.sort(key=lambda i: i[1], reverse=True)
-        self.assertEqual([("b", 8), ("a", 5), ("c", 3), ("d", 2)], list3)
+        assert [("b", 8), ("a", 5), ("c", 3), ("d", 2)] == list3
 
     def _dispatch_test_for_children(self, meth):
         """Run a test method on various different types of children."""
@@ -275,18 +279,18 @@ class TestSmartList(unittest.TestCase):
             expected = getattr(list, meth).__doc__
             smartlist_doc = getattr(SmartList, meth).__doc__
             listproxy_doc = getattr(_ListProxy, meth).__doc__
-            self.assertEqual(expected, smartlist_doc)
-            self.assertEqual(expected, listproxy_doc)
+            assert expected == smartlist_doc
+            assert expected == listproxy_doc
 
     def test_doctest(self):
         """make sure the test embedded in SmartList's docstring passes"""
         parent = SmartList([0, 1, 2, 3])
-        self.assertEqual([0, 1, 2, 3], parent)
+        assert [0 == 1, 2, 3], parent
         child = parent[2:]
-        self.assertEqual([2, 3], child)
+        assert [2 == 3], child
         child.append(4)
-        self.assertEqual([2, 3, 4], child)
-        self.assertEqual([0, 1, 2, 3, 4], parent)
+        assert [2 == 3, 4], child
+        assert [0 == 1, 2, 3, 4], parent
 
     def test_parent_get_set_del(self):
         """make sure SmartList's getitem/setitem/delitem work"""
@@ -325,85 +329,82 @@ class TestSmartList(unittest.TestCase):
         parent = SmartList([0, 1, 2, 3, 4, 5])
         child1 = parent[2:]
         child2 = parent[2:5]
-        self.assertEqual([0, 1, 2, 3, 4, 5], parent)
-        self.assertEqual([2, 3, 4, 5], child1)
-        self.assertEqual([2, 3, 4], child2)
-        self.assertEqual(2, len(parent._children))
+        assert [0 == 1, 2, 3, 4, 5], parent
+        assert [2 == 3, 4, 5], child1
+        assert [2 == 3, 4], child2
+        assert 2 == len(parent._children)
 
         parent.append(6)
         child1.append(7)
         child2.append(4.5)
-        self.assertEqual([0, 1, 2, 3, 4, 4.5, 5, 6, 7], parent)
-        self.assertEqual([2, 3, 4, 4.5, 5, 6, 7], child1)
-        self.assertEqual([2, 3, 4, 4.5], child2)
+        assert [0 == 1, 2, 3, 4, 4.5, 5, 6, 7], parent
+        assert [2 == 3, 4, 4.5, 5, 6, 7], child1
+        assert [2 == 3, 4, 4.5], child2
 
         parent.insert(0, -1)
         parent.insert(4, 2.5)
         parent.insert(10, 6.5)
-        self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], parent)
-        self.assertEqual([2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], child1)
-        self.assertEqual([2, 2.5, 3, 4, 4.5], child2)
+        assert [-1 == 0, 1, 2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], parent
+        assert [2 == 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], child1
+        assert [2 == 2.5, 3, 4, 4.5], child2
 
-        self.assertEqual(7, parent.pop())
-        self.assertEqual(6.5, child1.pop())
-        self.assertEqual(4.5, child2.pop())
-        self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 5, 6], parent)
-        self.assertEqual([2, 2.5, 3, 4, 5, 6], child1)
-        self.assertEqual([2, 2.5, 3, 4], child2)
+        assert 7 == parent.pop()
+        assert 6.5 == child1.pop()
+        assert 4.5 == child2.pop()
+        assert [-1 == 0, 1, 2, 2.5, 3, 4, 5, 6], parent
+        assert [2 == 2.5, 3, 4, 5, 6], child1
+        assert [2 == 2.5, 3, 4], child2
 
         parent.remove(-1)
         child1.remove(2.5)
-        self.assertEqual([0, 1, 2, 3, 4, 5, 6], parent)
-        self.assertEqual([2, 3, 4, 5, 6], child1)
-        self.assertEqual([2, 3, 4], child2)
+        assert [0 == 1, 2, 3, 4, 5, 6], parent
+        assert [2 == 3, 4, 5, 6], child1
+        assert [2 == 3, 4], child2
 
-        self.assertEqual(0, parent.pop(0))
-        self.assertEqual([1, 2, 3, 4, 5, 6], parent)
-        self.assertEqual([2, 3, 4, 5, 6], child1)
-        self.assertEqual([2, 3, 4], child2)
+        assert 0 == parent.pop(0)
+        assert [1 == 2, 3, 4, 5, 6], parent
+        assert [2 == 3, 4, 5, 6], child1
+        assert [2 == 3, 4], child2
 
         child2.reverse()
-        self.assertEqual([1, 4, 3, 2, 5, 6], parent)
-        self.assertEqual([4, 3, 2, 5, 6], child1)
-        self.assertEqual([4, 3, 2], child2)
+        assert [1 == 4, 3, 2, 5, 6], parent
+        assert [4 == 3, 2, 5, 6], child1
+        assert [4 == 3, 2], child2
 
         parent.extend([7, 8])
         child1.extend([8.1, 8.2])
         child2.extend([1.9, 1.8])
-        self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], parent)
-        self.assertEqual([4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], child1)
-        self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
+        assert [1 == 4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], parent
+        assert [4 == 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], child1
+        assert [4 == 3, 2, 1.9, 1.8], child2
 
         child3 = parent[9:]
-        self.assertEqual([8, 8.1, 8.2], child3)
+        assert [8 == 8.1, 8.2], child3
 
         del parent[8:]
-        self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6], parent)
-        self.assertEqual([4, 3, 2, 1.9, 1.8, 5, 6], child1)
-        self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
-        self.assertEqual([], child3)
-        self.assertEqual(0, len(child3))
+        assert [1 == 4, 3, 2, 1.9, 1.8, 5, 6], parent
+        assert [4 == 3, 2, 1.9, 1.8, 5, 6], child1
+        assert [4 == 3, 2, 1.9, 1.8], child2
+        assert [] == child3
+        assert 0 == len(child3)
 
         del child1
-        self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6], parent)
-        self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
-        self.assertEqual([], child3)
-        self.assertEqual(2, len(parent._children))
+        assert [1 == 4, 3, 2, 1.9, 1.8, 5, 6], parent
+        assert [4 == 3, 2, 1.9, 1.8], child2
+        assert [] == child3
+        assert 2 == len(parent._children)
 
         del child3
-        self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6], parent)
-        self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
-        self.assertEqual(1, len(parent._children))
+        assert [1 == 4, 3, 2, 1.9, 1.8, 5, 6], parent
+        assert [4 == 3, 2, 1.9, 1.8], child2
+        assert 1 == len(parent._children)
 
         parent.remove(1.9)
         parent.remove(1.8)
-        self.assertEqual([1, 4, 3, 2, 5, 6], parent)
-        self.assertEqual([4, 3, 2], child2)
+        assert [1 == 4, 3, 2, 5, 6], parent
+        assert [4 == 3, 2], child2
 
         parent.reverse()
-        self.assertEqual([6, 5, 2, 3, 4, 1], parent)
-        self.assertEqual([4, 3, 2], child2)
-        self.assertEqual(0, len(parent._children))
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert [6 == 5, 2, 3, 4, 1], parent
+        assert [4 == 3, 2], child2
+        assert 0 == len(parent._children)
diff --git a/tests/test_string_mixin.py b/tests/test_string_mixin.py
index 673d5fa..7721c1a 100644
--- a/tests/test_string_mixin.py
+++ b/tests/test_string_mixin.py
@@ -19,9 +19,9 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+import pytest
 from sys import getdefaultencoding
 from types import GeneratorType
-import unittest
 
 from mwparserfromhell.string_mixin import StringMixIn
 
@@ -33,37 +33,35 @@ class _FakeString(StringMixIn):
         return self._data
 
 
-class TestStringMixIn(unittest.TestCase):
+class TestStringMixIn:
     """Test cases for the StringMixIn class."""
 
-    def test_docs(self):
+    @pytest.mark.parametrize('method', [
+        "capitalize", "casefold", "center", "count", "encode", "endswith",
+        "expandtabs", "find", "format", "format_map", "index", "isalnum",
+        "isalpha", "isdecimal", "isdigit", "isidentifier", "islower",
+        "isnumeric", "isprintable", "isspace", "istitle", "isupper",
+        "join", "ljust", "lower", "lstrip", "maketrans", "partition",
+        "replace", "rfind", "rindex", "rjust", "rpartition", "rsplit",
+        "rstrip", "split", "splitlines", "startswith", "strip", "swapcase",
+        "title", "translate", "upper", "zfill"
+    ])
+    def test_docs(self, method):
         """make sure the various methods of StringMixIn have docstrings"""
-        methods = [
-            "capitalize", "casefold", "center", "count", "encode", "endswith",
-            "expandtabs", "find", "format", "format_map", "index", "isalnum",
-            "isalpha", "isdecimal", "isdigit", "isidentifier", "islower",
-            "isnumeric", "isprintable", "isspace", "istitle", "isupper",
-            "join", "ljust", "lower", "lstrip", "maketrans", "partition",
-            "replace", "rfind", "rindex", "rjust", "rpartition", "rsplit",
-            "rstrip", "split", "splitlines", "startswith", "strip", "swapcase",
-            "title", "translate", "upper", "zfill"
-        ]
-
-        for meth in methods:
-            expected = getattr("foo", meth).__doc__
-            actual = getattr(_FakeString("foo"), meth).__doc__
-            self.assertEqual(expected, actual)
+        expected = getattr("foo", method).__doc__
+        actual = getattr(_FakeString("foo"), method).__doc__
+        assert expected == actual
 
     def test_types(self):
         """make sure StringMixIns convert to different types correctly"""
         fstr = _FakeString("fake string")
-        self.assertEqual(str(fstr), "fake string")
-        self.assertEqual(bytes(fstr), b"fake string")
-        self.assertEqual(repr(fstr), "'fake string'")
+        assert str(fstr) == "fake string"
+        assert bytes(fstr) == b"fake string"
+        assert repr(fstr) == "'fake string'"
 
-        self.assertIsInstance(str(fstr), str)
-        self.assertIsInstance(bytes(fstr), bytes)
-        self.assertIsInstance(repr(fstr), str)
+        assert isinstance(str(fstr), str)
+        assert isinstance(bytes(fstr), bytes)
+        assert isinstance(repr(fstr), str)
 
     def test_comparisons(self):
         """make sure comparison operators work"""
@@ -73,33 +71,33 @@ class TestStringMixIn(unittest.TestCase):
         str4 = "this is a fake string"
         str5 = "fake string, this is"
 
-        self.assertLessEqual(str1, str2)
-        self.assertGreaterEqual(str1, str2)
-        self.assertEqual(str1, str2)
-        self.assertEqual(str1, str2)
-        self.assertGreaterEqual(str1, str2)
-        self.assertLessEqual(str1, str2)
-
-        self.assertGreater(str1, str3)
-        self.assertGreaterEqual(str1, str3)
-        self.assertNotEqual(str1, str3)
-        self.assertNotEqual(str1, str3)
-        self.assertGreaterEqual(str1, str3)
-        self.assertGreater(str1, str3)
-
-        self.assertLessEqual(str1, str4)
-        self.assertGreaterEqual(str1, str4)
-        self.assertEqual(str1, str4)
-        self.assertEqual(str1, str4)
-        self.assertGreaterEqual(str1, str4)
-        self.assertLessEqual(str1, str4)
-
-        self.assertLessEqual(str5, str1)
-        self.assertLess(str5, str1)
-        self.assertNotEqual(str5, str1)
-        self.assertNotEqual(str5, str1)
-        self.assertLess(str5, str1)
-        self.assertLessEqual(str5, str1)
+        assert str1 <= str2
+        assert str1 >= str2
+        assert str1 == str2
+        assert str1 == str2
+        assert str1 >= str2
+        assert str1 <= str2
+
+        assert str1 > str3
+        assert str1 >= str3
+        assert str1 != str3
+        assert str1 != str3
+        assert str1 >= str3
+        assert str1 > str3
+
+        assert str1 <= str4
+        assert str1 >= str4
+        assert str1 == str4
+        assert str1 == str4
+        assert str1 >= str4
+        assert str1 <= str4
+
+        assert str5 <= str1
+        assert str5 < str1
+        assert str5 != str1
+        assert str5 != str1
+        assert str5 < str1
+        assert str5 <= str1
 
     def test_other_magics(self):
         """test other magically implemented features, like len() and iter()"""
@@ -107,298 +105,309 @@ class TestStringMixIn(unittest.TestCase):
         str2 = _FakeString("")
         expected = ["f", "a", "k", "e", " ", "s", "t", "r", "i", "n", "g"]
 
-        self.assertTrue(str1)
-        self.assertFalse(str2)
-        self.assertEqual(11, len(str1))
-        self.assertEqual(0, len(str2))
+        assert bool(str1) is True
+        assert bool(str2) is False
+        assert 11 == len(str1)
+        assert 0 == len(str2)
 
         out = []
         for ch in str1:
             out.append(ch)
-        self.assertEqual(expected, out)
+        assert expected == out
 
         out = []
         for ch in str2:
             out.append(ch)
-        self.assertEqual([], out)
+        assert [] == out
 
         gen1 = iter(str1)
         gen2 = iter(str2)
-        self.assertIsInstance(gen1, GeneratorType)
-        self.assertIsInstance(gen2, GeneratorType)
+        assert isinstance(gen1, GeneratorType)
+        assert isinstance(gen2, GeneratorType)
 
         out = []
         for i in range(len(str1)):
             out.append(next(gen1))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertEqual(expected, out)
-        self.assertRaises(StopIteration, next, gen2)
-
-        self.assertEqual("gnirts ekaf", "".join(list(reversed(str1))))
-        self.assertEqual([], list(reversed(str2)))
-
-        self.assertEqual("f", str1[0])
-        self.assertEqual(" ", str1[4])
-        self.assertEqual("g", str1[10])
-        self.assertEqual("n", str1[-2])
-        self.assertRaises(IndexError, lambda: str1[11])
-        self.assertRaises(IndexError, lambda: str2[0])
-
-        self.assertIn("k", str1)
-        self.assertIn("fake", str1)
-        self.assertIn("str", str1)
-        self.assertIn("", str1)
-        self.assertIn("", str2)
-        self.assertNotIn("real", str1)
-        self.assertNotIn("s", str2)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        assert expected == out
+        with pytest.raises(StopIteration):
+            next(gen2)
+
+        assert "gnirts ekaf" == "".join(list(reversed(str1)))
+        assert [] == list(reversed(str2))
+
+        assert "f" == str1[0]
+        assert " " == str1[4]
+        assert "g" == str1[10]
+        assert "n" == str1[-2]
+        with pytest.raises(IndexError):
+            str1[11]
+        with pytest.raises(IndexError):
+            str2[0]
+
+        assert "k" in str1
+        assert "fake" in str1
+        assert "str" in str1
+        assert "" in str1
+        assert "" in str2
+        assert "real" not in str1
+        assert "s" not in str2
 
     def test_other_methods(self):
         """test the remaining non-magic methods of StringMixIn"""
         str1 = _FakeString("fake string")
-        self.assertEqual("Fake string", str1.capitalize())
+        assert "Fake string" == str1.capitalize()
 
-        self.assertEqual("  fake string  ", str1.center(15))
-        self.assertEqual("  fake string   ", str1.center(16))
-        self.assertEqual("qqfake stringqq", str1.center(15, "q"))
+        assert "  fake string  " == str1.center(15)
+        assert "  fake string   " == str1.center(16)
+        assert "qqfake stringqq" == str1.center(15, "q")
 
-        self.assertEqual(1, str1.count("e"))
-        self.assertEqual(0, str1.count("z"))
-        self.assertEqual(1, str1.count("r", 7))
-        self.assertEqual(0, str1.count("r", 8))
-        self.assertEqual(1, str1.count("r", 5, 9))
-        self.assertEqual(0, str1.count("r", 5, 7))
+        assert 1 == str1.count("e")
+        assert 0 == str1.count("z")
+        assert 1 == str1.count("r", 7)
+        assert 0 == str1.count("r", 8)
+        assert 1 == str1.count("r", 5, 9)
+        assert 0 == str1.count("r", 5, 7)
 
         str3 = _FakeString("𐌲𐌿𐍄")
         actual = b"\xF0\x90\x8C\xB2\xF0\x90\x8C\xBF\xF0\x90\x8D\x84"
-        self.assertEqual(b"fake string", str1.encode())
-        self.assertEqual(actual, str3.encode("utf-8"))
-        self.assertEqual(actual, str3.encode(encoding="utf-8"))
+        assert b"fake string" == str1.encode()
+        assert actual == str3.encode("utf-8")
+        assert actual == str3.encode(encoding="utf-8")
         if getdefaultencoding() == "ascii":
-            self.assertRaises(UnicodeEncodeError, str3.encode)
+            with pytest.raises(UnicodeEncodeError):
+                str3.encode()
         elif getdefaultencoding() == "utf-8":
-            self.assertEqual(actual, str3.encode())
-        self.assertRaises(UnicodeEncodeError, str3.encode, "ascii")
-        self.assertRaises(UnicodeEncodeError, str3.encode, "ascii", "strict")
+            assert actual == str3.encode()
+        with pytest.raises(UnicodeEncodeError):
+            str3.encode("ascii")
+        with pytest.raises(UnicodeEncodeError):
+            str3.encode("ascii", "strict")
         if getdefaultencoding() == "ascii":
-            self.assertRaises(UnicodeEncodeError, str3.encode, errors="strict")
+            with pytest.raises(UnicodeEncodeError):
+                str3.encode("ascii", errors="strict")
         elif getdefaultencoding() == "utf-8":
-            self.assertEqual(actual, str3.encode(errors="strict"))
-        self.assertEqual(b"", str3.encode("ascii", "ignore"))
+            assert actual == str3.encode(errors="strict")
+        assert b"" == str3.encode("ascii", "ignore")
         if getdefaultencoding() == "ascii":
-            self.assertEqual(b"", str3.encode(errors="ignore"))
+            assert b"" == str3.encode(errors="ignore")
         elif getdefaultencoding() == "utf-8":
-            self.assertEqual(actual, str3.encode(errors="ignore"))
+            assert actual == str3.encode(errors="ignore")
 
-        self.assertTrue(str1.endswith("ing"))
-        self.assertFalse(str1.endswith("ingh"))
+        assert str1.endswith("ing") is True
+        assert str1.endswith("ingh") is False
 
         str4 = _FakeString("\tfoobar")
-        self.assertEqual("fake string", str1)
-        self.assertEqual("        foobar", str4.expandtabs())
-        self.assertEqual("    foobar", str4.expandtabs(4))
+        assert "fake string" == str1
+        assert "        foobar" == str4.expandtabs()
+        assert "    foobar" == str4.expandtabs(4)
 
-        self.assertEqual(3, str1.find("e"))
-        self.assertEqual(-1, str1.find("z"))
-        self.assertEqual(7, str1.find("r", 7))
-        self.assertEqual(-1, str1.find("r", 8))
-        self.assertEqual(7, str1.find("r", 5, 9))
-        self.assertEqual(-1, str1.find("r", 5, 7))
+        assert 3 == str1.find("e")
+        assert -1 == str1.find("z")
+        assert 7 == str1.find("r", 7)
+        assert -1 == str1.find("r", 8)
+        assert 7 == str1.find("r", 5, 9)
+        assert -1 == str1.find("r", 5, 7)
 
         str5 = _FakeString("foo{0}baz")
         str6 = _FakeString("foo{abc}baz")
         str7 = _FakeString("foo{0}{abc}buzz")
         str8 = _FakeString("{0}{1}")
-        self.assertEqual("fake string", str1.format())
-        self.assertEqual("foobarbaz", str5.format("bar"))
-        self.assertEqual("foobarbaz", str6.format(abc="bar"))
-        self.assertEqual("foobarbazbuzz", str7.format("bar", abc="baz"))
-        self.assertRaises(IndexError, str8.format, "abc")
-
-        self.assertEqual("fake string", str1.format_map({}))
-        self.assertEqual("foobarbaz", str6.format_map({"abc": "bar"}))
-        self.assertRaises(ValueError, str5.format_map, {0: "abc"})
-
-        self.assertEqual(3, str1.index("e"))
-        self.assertRaises(ValueError, str1.index, "z")
-        self.assertEqual(7, str1.index("r", 7))
-        self.assertRaises(ValueError, str1.index, "r", 8)
-        self.assertEqual(7, str1.index("r", 5, 9))
-        self.assertRaises(ValueError, str1.index, "r", 5, 7)
-
+        assert "fake string" == str1.format()
+        assert "foobarbaz" == str5.format("bar")
+        assert "foobarbaz" == str6.format(abc="bar")
+        assert "foobarbazbuzz" == str7.format("bar", abc="baz")
+        with pytest.raises(IndexError):
+            str8.format("abc")
+
+        assert "fake string" == str1.format_map({})
+        assert "foobarbaz" == str6.format_map({"abc": "bar"})
+        with pytest.raises(ValueError):
+            str5.format_map({0: "abc"})
+
+        assert 3 == str1.index("e")
+        with pytest.raises(ValueError):
+            str1.index("z")
+        assert 7 == str1.index("r", 7)
+        with pytest.raises(ValueError):
+            str1.index("r", 8)
+        assert 7 == str1.index("r", 5, 9)
+        with pytest.raises(ValueError):
+            str1.index("r", 5, 7)
         str9 = _FakeString("foobar")
         str10 = _FakeString("foobar123")
         str11 = _FakeString("foo bar")
-        self.assertTrue(str9.isalnum())
-        self.assertTrue(str10.isalnum())
-        self.assertFalse(str11.isalnum())
+        assert str9.isalnum() is True
+        assert str10.isalnum() is True
+        assert str11.isalnum() is False
 
-        self.assertTrue(str9.isalpha())
-        self.assertFalse(str10.isalpha())
-        self.assertFalse(str11.isalpha())
+        assert str9.isalpha() is True
+        assert str10.isalpha() is False
+        assert str11.isalpha() is False
 
         str12 = _FakeString("123")
         str13 = _FakeString("\u2155")
         str14 = _FakeString("\u00B2")
-        self.assertFalse(str9.isdecimal())
-        self.assertTrue(str12.isdecimal())
-        self.assertFalse(str13.isdecimal())
-        self.assertFalse(str14.isdecimal())
+        assert str9.isdecimal() is False
+        assert str12.isdecimal() is True
+        assert str13.isdecimal() is False
+        assert str14.isdecimal() is False
 
-        self.assertFalse(str9.isdigit())
-        self.assertTrue(str12.isdigit())
-        self.assertFalse(str13.isdigit())
-        self.assertTrue(str14.isdigit())
+        assert str9.isdigit() is False
+        assert str12.isdigit() is True
+        assert str13.isdigit() is False
+        assert str14.isdigit() is True
 
-        self.assertTrue(str9.isidentifier())
-        self.assertTrue(str10.isidentifier())
-        self.assertFalse(str11.isidentifier())
-        self.assertFalse(str12.isidentifier())
+        assert str9.isidentifier() is True
+        assert str10.isidentifier() is True
+        assert str11.isidentifier() is False
+        assert str12.isidentifier() is False
 
         str15 = _FakeString("")
         str16 = _FakeString("FooBar")
-        self.assertTrue(str9.islower())
-        self.assertFalse(str15.islower())
-        self.assertFalse(str16.islower())
+        assert str9.islower() is True
+        assert str15.islower() is False
+        assert str16.islower() is False
 
-        self.assertFalse(str9.isnumeric())
-        self.assertTrue(str12.isnumeric())
-        self.assertTrue(str13.isnumeric())
-        self.assertTrue(str14.isnumeric())
+        assert str9.isnumeric() is False
+        assert str12.isnumeric() is True
+        assert str13.isnumeric() is True
+        assert str14.isnumeric() is True
 
         str16B = _FakeString("\x01\x02")
-        self.assertTrue(str9.isprintable())
-        self.assertTrue(str13.isprintable())
-        self.assertTrue(str14.isprintable())
-        self.assertTrue(str15.isprintable())
-        self.assertFalse(str16B.isprintable())
+        assert str9.isprintable() is True
+        assert str13.isprintable() is True
+        assert str14.isprintable() is True
+        assert str15.isprintable() is True
+        assert str16B.isprintable() is False
 
         str17 = _FakeString(" ")
         str18 = _FakeString("\t     \t \r\n")
-        self.assertFalse(str1.isspace())
-        self.assertFalse(str9.isspace())
-        self.assertTrue(str17.isspace())
-        self.assertTrue(str18.isspace())
+        assert str1.isspace() is False
+        assert str9.isspace() is False
+        assert str17.isspace() is True
+        assert str18.isspace() is True
 
         str19 = _FakeString("This Sentence Looks Like A Title")
         str20 = _FakeString("This sentence doesn't LookLikeATitle")
-        self.assertFalse(str15.istitle())
-        self.assertTrue(str19.istitle())
-        self.assertFalse(str20.istitle())
+        assert str15.istitle() is False
+        assert str19.istitle() is True
+        assert str20.istitle() is False
 
         str21 = _FakeString("FOOBAR")
-        self.assertFalse(str9.isupper())
-        self.assertFalse(str15.isupper())
-        self.assertTrue(str21.isupper())
+        assert str9.isupper() is False
+        assert str15.isupper() is False
+        assert str21.isupper() is True
 
-        self.assertEqual("foobar", str15.join(["foo", "bar"]))
-        self.assertEqual("foo123bar123baz", str12.join(("foo", "bar", "baz")))
+        assert "foobar" == str15.join(["foo", "bar"])
+        assert "foo123bar123baz" == str12.join(("foo", "bar", "baz"))
 
-        self.assertEqual("fake string    ", str1.ljust(15))
-        self.assertEqual("fake string     ", str1.ljust(16))
-        self.assertEqual("fake stringqqqq", str1.ljust(15, "q"))
+        assert "fake string    " == str1.ljust(15)
+        assert "fake string     " == str1.ljust(16)
+        assert "fake stringqqqq" == str1.ljust(15, "q")
 
         str22 = _FakeString("ß")
-        self.assertEqual("", str15.lower())
-        self.assertEqual("foobar", str16.lower())
-        self.assertEqual("ß", str22.lower())
-        self.assertEqual("", str15.casefold())
-        self.assertEqual("foobar", str16.casefold())
-        self.assertEqual("ss", str22.casefold())
+        assert "" == str15.lower()
+        assert "foobar" == str16.lower()
+        assert "ß" == str22.lower()
+        assert "" == str15.casefold()
+        assert "foobar" == str16.casefold()
+        assert "ss" == str22.casefold()
 
         str23 = _FakeString("  fake string  ")
-        self.assertEqual("fake string", str1.lstrip())
-        self.assertEqual("fake string  ", str23.lstrip())
-        self.assertEqual("ke string", str1.lstrip("abcdef"))
+        assert "fake string" == str1.lstrip()
+        assert "fake string  " == str23.lstrip()
+        assert "ke string" == str1.lstrip("abcdef")
 
-        self.assertEqual(("fa", "ke", " string"), str1.partition("ke"))
-        self.assertEqual(("fake string", "", ""), str1.partition("asdf"))
+        assert ("fa", "ke", " string") == str1.partition("ke")
+        assert ("fake string", "", "") == str1.partition("asdf")
 
         str24 = _FakeString("boo foo moo")
-        self.assertEqual("real string", str1.replace("fake", "real"))
-        self.assertEqual("bu fu moo", str24.replace("oo", "u", 2))
-
-        self.assertEqual(3, str1.rfind("e"))
-        self.assertEqual(-1, str1.rfind("z"))
-        self.assertEqual(7, str1.rfind("r", 7))
-        self.assertEqual(-1, str1.rfind("r", 8))
-        self.assertEqual(7, str1.rfind("r", 5, 9))
-        self.assertEqual(-1, str1.rfind("r", 5, 7))
-
-        self.assertEqual(3, str1.rindex("e"))
-        self.assertRaises(ValueError, str1.rindex, "z")
-        self.assertEqual(7, str1.rindex("r", 7))
-        self.assertRaises(ValueError, str1.rindex, "r", 8)
-        self.assertEqual(7, str1.rindex("r", 5, 9))
-        self.assertRaises(ValueError, str1.rindex, "r", 5, 7)
-
-        self.assertEqual("    fake string", str1.rjust(15))
-        self.assertEqual("     fake string", str1.rjust(16))
-        self.assertEqual("qqqqfake string", str1.rjust(15, "q"))
-
-        self.assertEqual(("fa", "ke", " string"), str1.rpartition("ke"))
-        self.assertEqual(("", "", "fake string"), str1.rpartition("asdf"))
+        assert "real string" == str1.replace("fake", "real")
+        assert "bu fu moo" == str24.replace("oo", "u", 2)
+
+        assert 3 == str1.rfind("e")
+        assert -1 == str1.rfind("z")
+        assert 7 == str1.rfind("r", 7)
+        assert -1 == str1.rfind("r", 8)
+        assert 7 == str1.rfind("r", 5, 9)
+        assert -1 == str1.rfind("r", 5, 7)
+
+        assert 3 == str1.rindex("e")
+        with pytest.raises(ValueError):
+            str1.rindex("z")
+        assert 7 == str1.rindex("r", 7)
+        with pytest.raises(ValueError):
+            str1.rindex("r", 8)
+        assert 7 == str1.rindex("r", 5, 9)
+        with pytest.raises(ValueError):
+            str1.rindex("r", 5, 7)
+        assert "    fake string" == str1.rjust(15)
+        assert "     fake string" == str1.rjust(16)
+        assert "qqqqfake string" == str1.rjust(15, "q")
+
+        assert ("fa", "ke", " string") == str1.rpartition("ke")
+        assert ("", "", "fake string") == str1.rpartition("asdf")
 
         str25 = _FakeString("   this is a   sentence with  whitespace ")
         actual = ["this", "is", "a", "sentence", "with", "whitespace"]
-        self.assertEqual(actual, str25.rsplit())
-        self.assertEqual(actual, str25.rsplit(None))
+        assert actual == str25.rsplit()
+        assert actual == str25.rsplit(None)
         actual = ["", "", "", "this", "is", "a", "", "", "sentence", "with",
                   "", "whitespace", ""]
-        self.assertEqual(actual, str25.rsplit(" "))
+        assert actual == str25.rsplit(" ")
         actual = ["   this is a", "sentence", "with", "whitespace"]
-        self.assertEqual(actual, str25.rsplit(None, 3))
+        assert actual == str25.rsplit(None, 3)
         actual = ["   this is a   sentence with", "", "whitespace", ""]
-        self.assertEqual(actual, str25.rsplit(" ", 3))
+        assert actual == str25.rsplit(" ", 3)
         actual = ["   this is a", "sentence", "with", "whitespace"]
-        self.assertEqual(actual, str25.rsplit(maxsplit=3))
+        assert actual == str25.rsplit(maxsplit=3)
 
-        self.assertEqual("fake string", str1.rstrip())
-        self.assertEqual("  fake string", str23.rstrip())
-        self.assertEqual("fake stri", str1.rstrip("ngr"))
+        assert "fake string" == str1.rstrip()
+        assert "  fake string" == str23.rstrip()
+        assert "fake stri" == str1.rstrip("ngr")
 
         actual = ["this", "is", "a", "sentence", "with", "whitespace"]
-        self.assertEqual(actual, str25.split())
-        self.assertEqual(actual, str25.split(None))
+        assert actual == str25.split()
+        assert actual == str25.split(None)
         actual = ["", "", "", "this", "is", "a", "", "", "sentence", "with",
                   "", "whitespace", ""]
-        self.assertEqual(actual, str25.split(" "))
+        assert actual == str25.split(" ")
         actual = ["this", "is", "a", "sentence with  whitespace "]
-        self.assertEqual(actual, str25.split(None, 3))
+        assert actual == str25.split(None, 3)
         actual = ["", "", "", "this is a   sentence with  whitespace "]
-        self.assertEqual(actual, str25.split(" ", 3))
+        assert actual == str25.split(" ", 3)
         actual = ["this", "is", "a", "sentence with  whitespace "]
-        self.assertEqual(actual, str25.split(maxsplit=3))
+        assert actual == str25.split(maxsplit=3)
 
         str26 = _FakeString("lines\nof\ntext\r\nare\r\npresented\nhere")
-        self.assertEqual(["lines", "of", "text", "are", "presented", "here"],
-                          str26.splitlines())
-        self.assertEqual(["lines\n", "of\n", "text\r\n", "are\r\n",
-                           "presented\n", "here"], str26.splitlines(True))
+        assert ["lines", "of", "text", "are", "presented", "here"] \
+               == str26.splitlines()
+        assert ["lines\n", "of\n", "text\r\n", "are\r\n", "presented\n", "here"] \
+               == str26.splitlines(True)
 
-        self.assertTrue(str1.startswith("fake"))
-        self.assertFalse(str1.startswith("faker"))
+        assert str1.startswith("fake") is True
+        assert str1.startswith("faker") is False
 
-        self.assertEqual("fake string", str1.strip())
-        self.assertEqual("fake string", str23.strip())
-        self.assertEqual("ke stri", str1.strip("abcdefngr"))
+        assert "fake string" == str1.strip()
+        assert "fake string" == str23.strip()
+        assert "ke stri" == str1.strip("abcdefngr")
 
-        self.assertEqual("fOObAR", str16.swapcase())
+        assert "fOObAR" == str16.swapcase()
 
-        self.assertEqual("Fake String", str1.title())
+        assert "Fake String" == str1.title()
 
         table1 = StringMixIn.maketrans({97: "1", 101: "2", 105: "3",
                                         111: "4", 117: "5"})
         table2 = StringMixIn.maketrans("aeiou", "12345")
         table3 = StringMixIn.maketrans("aeiou", "12345", "rts")
-        self.assertEqual("f1k2 str3ng", str1.translate(table1))
-        self.assertEqual("f1k2 str3ng", str1.translate(table2))
-        self.assertEqual("f1k2 3ng", str1.translate(table3))
-
-        self.assertEqual("", str15.upper())
-        self.assertEqual("FOOBAR", str16.upper())
+        assert "f1k2 str3ng" == str1.translate(table1)
+        assert "f1k2 str3ng" == str1.translate(table2)
+        assert "f1k2 3ng" == str1.translate(table3)
 
-        self.assertEqual("123", str12.zfill(3))
-        self.assertEqual("000123", str12.zfill(6))
+        assert "" == str15.upper()
+        assert "FOOBAR" == str16.upper()
 
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert "123" == str12.zfill(3)
+        assert "000123" == str12.zfill(6)
diff --git a/tests/test_tag.py b/tests/test_tag.py
index 860a94b..faff74a 100644
--- a/tests/test_tag.py
+++ b/tests/test_tag.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Tag, Template, Text
 from mwparserfromhell.nodes.extras import Attribute
@@ -52,15 +52,15 @@ class TestTag(TreeEqualityTestCase):
         node8 = Tag(wraptext("hr"), wiki_markup="----", self_closing=True)
         node9 = Tag(wraptext("i"), wraptext("italics!"), wiki_markup="''")
 
-        self.assertEqual("<ref></ref>", str(node1))
-        self.assertEqual('<span style="color: red;">foo</span>', str(node2))
-        self.assertEqual("<ref name=foo   some_attr/>", str(node3))
-        self.assertEqual("<br />", str(node4))
-        self.assertEqual("<br>", str(node5))
-        self.assertEqual("</br>", str(node6))
-        self.assertEqual("</br />", str(node7))
-        self.assertEqual("----", str(node8))
-        self.assertEqual("''italics!''", str(node9))
+        assert "<ref></ref>" == str(node1)
+        assert '<span style="color: red;">foo</span>' == str(node2)
+        assert "<ref name=foo   some_attr/>" == str(node3)
+        assert "<br />" == str(node4)
+        assert "<br>" == str(node5)
+        assert "</br>" == str(node6)
+        assert "</br />" == str(node7)
+        assert "----" == str(node8)
+        assert "''italics!''" == str(node9)
 
     def test_children(self):
         """test Tag.__children__()"""
@@ -77,19 +77,22 @@ class TestTag(TreeEqualityTestCase):
         gen1 = node1.__children__()
         gen2 = node2.__children__()
         gen3 = node3.__children__()
-        self.assertEqual(node1.tag, next(gen1))
-        self.assertEqual(node3.tag, next(gen3))
-        self.assertEqual(node3.attributes[0].name, next(gen3))
-        self.assertEqual(node3.attributes[0].value, next(gen3))
-        self.assertEqual(node3.attributes[1].name, next(gen3))
-        self.assertEqual(node3.attributes[1].value, next(gen3))
-        self.assertEqual(node3.attributes[2].name, next(gen3))
-        self.assertEqual(node1.contents, next(gen1))
-        self.assertEqual(node2.contents, next(gen2))
-        self.assertEqual(node1.closing_tag, next(gen1))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertRaises(StopIteration, next, gen2)
-        self.assertRaises(StopIteration, next, gen3)
+        assert node1.tag == next(gen1)
+        assert node3.tag == next(gen3)
+        assert node3.attributes[0].name == next(gen3)
+        assert node3.attributes[0].value == next(gen3)
+        assert node3.attributes[1].name == next(gen3)
+        assert node3.attributes[1].value == next(gen3)
+        assert node3.attributes[2].name == next(gen3)
+        assert node1.contents == next(gen1)
+        assert node2.contents == next(gen2)
+        assert node1.closing_tag == next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen2)
+        with pytest.raises(StopIteration):
+            next(gen3)
 
     def test_strip(self):
         """test Tag.__strip__()"""
@@ -97,9 +100,9 @@ class TestTag(TreeEqualityTestCase):
         node2 = Tag(wraptext("math"), wraptext("foobar"))
         node3 = Tag(wraptext("br"), self_closing=True)
 
-        self.assertEqual("foobar", node1.__strip__())
-        self.assertEqual(None, node2.__strip__())
-        self.assertEqual(None, node3.__strip__())
+        assert "foobar" == node1.__strip__()
+        assert None == node2.__strip__()
+        assert None == node3.__strip__()
 
     def test_showtree(self):
         """test Tag.__showtree__()"""
@@ -121,180 +124,186 @@ class TestTag(TreeEqualityTestCase):
             (getter, node1.attributes[1].name), ">", (getter, node1.contents),
             "</", (getter, node1.closing_tag), ">", "<", (getter, node2.tag),
             "/>", "</", (getter, node3.tag), ">"]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_tag(self):
         """test getter/setter for the tag attribute"""
         tag = wraptext("ref")
         node = Tag(tag, wraptext("text"))
-        self.assertIs(tag, node.tag)
-        self.assertIs(tag, node.closing_tag)
+        assert tag is node.tag
+        assert tag is node.closing_tag
         node.tag = "span"
         self.assertWikicodeEqual(wraptext("span"), node.tag)
         self.assertWikicodeEqual(wraptext("span"), node.closing_tag)
-        self.assertEqual("<span>text</span>", node)
+        assert "<span>text</span>" == node
 
     def test_contents(self):
         """test getter/setter for the contents attribute"""
         contents = wraptext("text")
         node = Tag(wraptext("ref"), contents)
-        self.assertIs(contents, node.contents)
+        assert contents is node.contents
         node.contents = "text and a {{template}}"
         parsed = wrap([Text("text and a "), Template(wraptext("template"))])
         self.assertWikicodeEqual(parsed, node.contents)
-        self.assertEqual("<ref>text and a {{template}}</ref>", node)
+        assert "<ref>text and a {{template}}</ref>" == node
 
     def test_attributes(self):
         """test getter for the attributes attribute"""
         attrs = [agen("name", "bar")]
         node1 = Tag(wraptext("ref"), wraptext("foo"))
         node2 = Tag(wraptext("ref"), wraptext("foo"), attrs)
-        self.assertEqual([], node1.attributes)
-        self.assertIs(attrs, node2.attributes)
+        assert [] == node1.attributes
+        assert attrs is node2.attributes
 
     def test_wiki_markup(self):
         """test getter/setter for the wiki_markup attribute"""
         node = Tag(wraptext("i"), wraptext("italic text"))
-        self.assertIs(None, node.wiki_markup)
+        assert None is node.wiki_markup
         node.wiki_markup = "''"
-        self.assertEqual("''", node.wiki_markup)
-        self.assertEqual("''italic text''", node)
+        assert "''" == node.wiki_markup
+        assert "''italic text''" == node
         node.wiki_markup = False
-        self.assertFalse(node.wiki_markup)
-        self.assertEqual("<i>italic text</i>", node)
+        assert node.wiki_markup is None
+        assert "<i>italic text</i>" == node
 
     def test_self_closing(self):
         """test getter/setter for the self_closing attribute"""
         node = Tag(wraptext("ref"), wraptext("foobar"))
-        self.assertFalse(node.self_closing)
+        assert node.self_closing is False
         node.self_closing = True
-        self.assertTrue(node.self_closing)
-        self.assertEqual("<ref/>", node)
+        assert node.self_closing is True
+        assert "<ref/>" == node
         node.self_closing = 0
-        self.assertFalse(node.self_closing)
-        self.assertEqual("<ref>foobar</ref>", node)
+        assert node.self_closing is False
+        assert "<ref>foobar</ref>" == node
 
     def test_invalid(self):
         """test getter/setter for the invalid attribute"""
         node = Tag(wraptext("br"), self_closing=True, implicit=True)
-        self.assertFalse(node.invalid)
+        assert node.invalid is False
         node.invalid = True
-        self.assertTrue(node.invalid)
-        self.assertEqual("</br>", node)
+        assert node.invalid is True
+        assert "</br>" == node
         node.invalid = 0
-        self.assertFalse(node.invalid)
-        self.assertEqual("<br>", node)
+        assert node.invalid is False
+        assert "<br>" == node
 
     def test_implicit(self):
         """test getter/setter for the implicit attribute"""
         node = Tag(wraptext("br"), self_closing=True)
-        self.assertFalse(node.implicit)
+        assert node.implicit is False
         node.implicit = True
-        self.assertTrue(node.implicit)
-        self.assertEqual("<br>", node)
+        assert node.implicit is True
+        assert "<br>" == node
         node.implicit = 0
-        self.assertFalse(node.implicit)
-        self.assertEqual("<br/>", node)
+        assert node.implicit is False
+        assert "<br/>" == node
 
     def test_padding(self):
         """test getter/setter for the padding attribute"""
         node = Tag(wraptext("ref"), wraptext("foobar"))
-        self.assertEqual("", node.padding)
+        assert "" == node.padding
         node.padding = "  "
-        self.assertEqual("  ", node.padding)
-        self.assertEqual("<ref  >foobar</ref>", node)
+        assert "  " == node.padding
+        assert "<ref  >foobar</ref>" == node
         node.padding = None
-        self.assertEqual("", node.padding)
-        self.assertEqual("<ref>foobar</ref>", node)
-        self.assertRaises(ValueError, setattr, node, "padding", True)
+        assert "" == node.padding
+        assert "<ref>foobar</ref>" == node
+        with pytest.raises(ValueError):
+            node.__setattr__("padding", True)
 
     def test_closing_tag(self):
         """test getter/setter for the closing_tag attribute"""
         tag = wraptext("ref")
         node = Tag(tag, wraptext("foobar"))
-        self.assertIs(tag, node.closing_tag)
+        assert tag is node.closing_tag
         node.closing_tag = "ref {{ignore me}}"
         parsed = wrap([Text("ref "), Template(wraptext("ignore me"))])
         self.assertWikicodeEqual(parsed, node.closing_tag)
-        self.assertEqual("<ref>foobar</ref {{ignore me}}>", node)
+        assert "<ref>foobar</ref {{ignore me}}>" == node
 
     def test_wiki_style_separator(self):
         """test getter/setter for wiki_style_separator attribute"""
         node = Tag(wraptext("table"), wraptext("\n"))
-        self.assertIs(None, node.wiki_style_separator)
+        assert None is node.wiki_style_separator
         node.wiki_style_separator = "|"
-        self.assertEqual("|", node.wiki_style_separator)
+        assert "|" == node.wiki_style_separator
         node.wiki_markup = "{"
-        self.assertEqual("{|\n{", node)
+        assert "{|\n{" == node
         node2 = Tag(wraptext("table"), wraptext("\n"), wiki_style_separator="|")
-        self.assertEqual("|", node.wiki_style_separator)
+        assert "|" == node.wiki_style_separator
 
     def test_closing_wiki_markup(self):
         """test getter/setter for closing_wiki_markup attribute"""
         node = Tag(wraptext("table"), wraptext("\n"))
-        self.assertIs(None, node.closing_wiki_markup)
+        assert None is node.closing_wiki_markup
         node.wiki_markup = "{|"
-        self.assertEqual("{|", node.closing_wiki_markup)
+        assert "{|" == node.closing_wiki_markup
         node.closing_wiki_markup = "|}"
-        self.assertEqual("|}", node.closing_wiki_markup)
-        self.assertEqual("{|\n|}", node)
+        assert "|}" == node.closing_wiki_markup
+        assert "{|\n|}" == node
         node.wiki_markup = "!!"
-        self.assertEqual("|}", node.closing_wiki_markup)
-        self.assertEqual("!!\n|}", node)
+        assert "|}" == node.closing_wiki_markup
+        assert "!!\n|}" == node
         node.wiki_markup = False
-        self.assertFalse(node.closing_wiki_markup)
-        self.assertEqual("<table>\n</table>", node)
+        assert node.closing_wiki_markup is None
+        assert "<table>\n</table>" == node
         node2 = Tag(wraptext("table"), wraptext("\n"),
                     attrs=[agen("id", "foo")], wiki_markup="{|",
                     closing_wiki_markup="|}")
-        self.assertEqual("|}", node2.closing_wiki_markup)
-        self.assertEqual('{| id="foo"\n|}', node2)
+        assert "|}" == node2.closing_wiki_markup
+        assert '{| id="foo"\n|}' == node2
 
     def test_has(self):
         """test Tag.has()"""
         node = Tag(wraptext("ref"), wraptext("cite"), [agen("name", "foo")])
-        self.assertTrue(node.has("name"))
-        self.assertTrue(node.has("  name  "))
-        self.assertTrue(node.has(wraptext("name")))
-        self.assertFalse(node.has("Name"))
-        self.assertFalse(node.has("foo"))
+        assert node.has("name") is True
+        assert node.has("  name  ") is True
+        assert node.has(wraptext("name")) is True
+        assert node.has("Name") is False
+        assert node.has("foo") is False
 
         attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),
                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]
         node2 = Tag(wraptext("div"), attrs=attrs, self_closing=True)
-        self.assertTrue(node2.has("id"))
-        self.assertTrue(node2.has("class"))
-        self.assertTrue(node2.has(attrs[1].pad_first + str(attrs[1].name) +
-                                  attrs[1].pad_before_eq))
-        self.assertTrue(node2.has(attrs[3]))
-        self.assertTrue(node2.has(str(attrs[3])))
-        self.assertFalse(node2.has("idclass"))
-        self.assertFalse(node2.has("id class"))
-        self.assertFalse(node2.has("id=foo"))
+        assert node2.has("id") is True
+        assert node2.has("class") is True
+        assert node2.has(attrs[1].pad_first + str(attrs[1].name) +
+                         attrs[1].pad_before_eq) is True
+        assert node2.has(attrs[3]) is True
+        assert node2.has(str(attrs[3])) is True
+        assert node2.has("idclass") is False
+        assert node2.has("id class") is False
+        assert node2.has("id=foo") is False
 
     def test_get(self):
         """test Tag.get()"""
         attrs = [agen("name", "foo")]
         node = Tag(wraptext("ref"), wraptext("cite"), attrs)
-        self.assertIs(attrs[0], node.get("name"))
-        self.assertIs(attrs[0], node.get("  name  "))
-        self.assertIs(attrs[0], node.get(wraptext("name")))
-        self.assertRaises(ValueError, node.get, "Name")
-        self.assertRaises(ValueError, node.get, "foo")
+        assert attrs[0] is node.get("name")
+        assert attrs[0] is node.get("  name  ")
+        assert attrs[0] is node.get(wraptext("name"))
+        with pytest.raises(ValueError):
+            node.get("Name")
+        with pytest.raises(ValueError):
+            node.get("foo")
 
         attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),
                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]
         node2 = Tag(wraptext("div"), attrs=attrs, self_closing=True)
-        self.assertIs(attrs[0], node2.get("id"))
-        self.assertIs(attrs[1], node2.get("class"))
-        self.assertIs(attrs[1], node2.get(
-            attrs[1].pad_first + str(attrs[1].name) + attrs[1].pad_before_eq))
-        self.assertIs(attrs[3], node2.get(attrs[3]))
-        self.assertIs(attrs[3], node2.get(str(attrs[3])))
-        self.assertIs(attrs[3], node2.get(" foo"))
-        self.assertRaises(ValueError, node2.get, "idclass")
-        self.assertRaises(ValueError, node2.get, "id class")
-        self.assertRaises(ValueError, node2.get, "id=foo")
+        assert attrs[0] is node2.get("id")
+        assert attrs[1] is node2.get("class")
+        assert attrs[1] is node2.get(
+            attrs[1].pad_first + str(attrs[1].name) + attrs[1].pad_before_eq)
+        assert attrs[3] is node2.get(attrs[3])
+        assert attrs[3] is node2.get(str(attrs[3]))
+        assert attrs[3] is node2.get(" foo")
+        with pytest.raises(ValueError):
+            node2.get("idclass")
+        with pytest.raises(ValueError):
+            node2.get("id class")
+        with pytest.raises(ValueError):
+            node2.get("id=foo")
 
     def test_add(self):
         """test Tag.add()"""
@@ -313,20 +322,22 @@ class TestTag(TreeEqualityTestCase):
         attr5 = ' 1="False"'
         attr6 = ' style="{{foobar}}"'
         attr7 = '\nname =   "value"'
-        self.assertEqual(attr1, node.attributes[0])
-        self.assertEqual(attr2, node.attributes[1])
-        self.assertEqual(attr3, node.attributes[2])
-        self.assertEqual(attr4, node.attributes[3])
-        self.assertEqual(attr5, node.attributes[4])
-        self.assertEqual(attr6, node.attributes[5])
-        self.assertEqual(attr7, node.attributes[6])
-        self.assertEqual(attr7, node.get("name"))
+        assert attr1 == node.attributes[0]
+        assert attr2 == node.attributes[1]
+        assert attr3 == node.attributes[2]
+        assert attr4 == node.attributes[3]
+        assert attr5 == node.attributes[4]
+        assert attr6 == node.attributes[5]
+        assert attr7 == node.attributes[6]
+        assert attr7 == node.get("name")
         self.assertWikicodeEqual(wrap([Template(wraptext("foobar"))]),
                                  node.attributes[5].value)
-        self.assertEqual("".join(("<ref", attr1, attr2, attr3, attr4, attr5,
-                                  attr6, attr7, ">cite</ref>")), node)
-        self.assertRaises(ValueError, node.add, "name", "foo", quotes="bar")
-        self.assertRaises(ValueError, node.add, "name", "a bc d", quotes=None)
+        assert "".join(("<ref", attr1, attr2, attr3, attr4, attr5,
+                        attr6, attr7, ">cite</ref>")) == node
+        with pytest.raises(ValueError):
+            node.add("name", "foo", quotes="bar")
+        with pytest.raises(ValueError):
+            node.add("name", "a bc d", quotes=None)
 
     def test_remove(self):
         """test Tag.remove()"""
@@ -334,12 +345,10 @@ class TestTag(TreeEqualityTestCase):
                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]
         node = Tag(wraptext("div"), attrs=attrs, self_closing=True)
         node.remove("class")
-        self.assertEqual('<div id="foo" foo="bar" foo  \n />', node)
+        assert '<div id="foo" foo="bar" foo  \n />' == node
         node.remove("foo")
-        self.assertEqual('<div id="foo"/>', node)
-        self.assertRaises(ValueError, node.remove, "foo")
+        assert '<div id="foo"/>' == node
+        with pytest.raises(ValueError):
+            node.remove("foo")
         node.remove("id")
-        self.assertEqual('<div/>', node)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert '<div/>' == node
diff --git a/tests/test_template.py b/tests/test_template.py
index 461371d..b8f80a4 100644
--- a/tests/test_template.py
+++ b/tests/test_template.py
@@ -20,7 +20,7 @@
 # SOFTWARE.
 
 from difflib import unified_diff
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import HTMLEntity, Template, Text
 from mwparserfromhell.nodes.extras import Parameter
@@ -37,10 +37,10 @@ class TestTemplate(TreeEqualityTestCase):
     def test_unicode(self):
         """test Template.__unicode__()"""
         node = Template(wraptext("foobar"))
-        self.assertEqual("{{foobar}}", str(node))
+        assert "{{foobar}}" == str(node)
         node2 = Template(wraptext("foo"),
                          [pgenh("1", "bar"), pgens("abc", "def")])
-        self.assertEqual("{{foo|bar|abc=def}}", str(node2))
+        assert "{{foo|bar|abc=def}}" == str(node2)
 
     def test_children(self):
         """test Template.__children__()"""
@@ -52,13 +52,15 @@ class TestTemplate(TreeEqualityTestCase):
 
         gen1 = node1.__children__()
         gen2 = node2.__children__()
-        self.assertEqual(node1.name, next(gen1))
-        self.assertEqual(node2.name, next(gen2))
-        self.assertEqual(node2.params[0].value, next(gen2))
-        self.assertEqual(node2.params[1].name, next(gen2))
-        self.assertEqual(node2.params[1].value, next(gen2))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertRaises(StopIteration, next, gen2)
+        assert node1.name == next(gen1)
+        assert node2.name == next(gen2)
+        assert node2.params[0].value == next(gen2)
+        assert node2.params[1].name == next(gen2)
+        assert node2.params[1].value == next(gen2)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen2)
 
     def test_strip(self):
         """test Template.__strip__()"""
@@ -71,11 +73,11 @@ class TestTemplate(TreeEqualityTestCase):
                       showkey=False),
             pgenh("3", "bar")])
 
-        self.assertEqual(None, node1.__strip__(keep_template_params=False))
-        self.assertEqual(None, node2.__strip__(keep_template_params=False))
-        self.assertEqual("", node1.__strip__(keep_template_params=True))
-        self.assertEqual("bar def", node2.__strip__(keep_template_params=True))
-        self.assertEqual("foo bar", node3.__strip__(keep_template_params=True))
+        assert node1.__strip__(keep_template_params=False) is None
+        assert node2.__strip__(keep_template_params=False) is None
+        assert "" == node1.__strip__(keep_template_params=True)
+        assert "bar def" == node2.__strip__(keep_template_params=True)
+        assert "foo bar" == node3.__strip__(keep_template_params=True)
 
     def test_showtree(self):
         """test Template.__showtree__()"""
@@ -94,15 +96,15 @@ class TestTemplate(TreeEqualityTestCase):
             (getter, node2.params[0].value), "    | ", marker,
             (getter, node2.params[1].name), "    = ", marker,
             (getter, node2.params[1].value), "}}"]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_name(self):
         """test getter/setter for the name attribute"""
         name = wraptext("foobar")
         node1 = Template(name)
         node2 = Template(name, [pgenh("1", "bar")])
-        self.assertIs(name, node1.name)
-        self.assertIs(name, node2.name)
+        assert name is node1.name
+        assert name is node2.name
         node1.name = "asdf"
         node2.name = "téstïng"
         self.assertWikicodeEqual(wraptext("asdf"), node1.name)
@@ -113,8 +115,8 @@ class TestTemplate(TreeEqualityTestCase):
         node1 = Template(wraptext("foobar"))
         plist = [pgenh("1", "bar"), pgens("abc", "def")]
         node2 = Template(wraptext("foo"), plist)
-        self.assertEqual([], node1.params)
-        self.assertIs(plist, node2.params)
+        assert [] == node1.params
+        assert plist is node2.params
 
     def test_has(self):
         """test Template.has()"""
@@ -124,17 +126,17 @@ class TestTemplate(TreeEqualityTestCase):
         node3 = Template(wraptext("foo"),
                          [pgenh("1", "a"), pgens("b", "c"), pgens("1", "d")])
         node4 = Template(wraptext("foo"), [pgenh("1", "a"), pgens("b", " ")])
-        self.assertFalse(node1.has("foobar", False))
-        self.assertTrue(node2.has(1, False))
-        self.assertTrue(node2.has("abc", False))
-        self.assertFalse(node2.has("def", False))
-        self.assertTrue(node3.has("1", False))
-        self.assertTrue(node3.has(" b ", False))
-        self.assertTrue(node4.has("b", False))
-        self.assertTrue(node3.has("b", True))
-        self.assertFalse(node4.has("b", True))
-        self.assertFalse(node1.has_param("foobar", False))
-        self.assertTrue(node2.has_param(1, False))
+        assert node1.has("foobar", False) is False
+        assert node2.has(1, False) is True
+        assert node2.has("abc", False) is True
+        assert node2.has("def", False) is False
+        assert node3.has("1", False) is True
+        assert node3.has(" b ", False) is True
+        assert node4.has("b", False) is True
+        assert node3.has("b", True) is True
+        assert node4.has("b", True) is False
+        assert node1.has_param("foobar", False) is False
+        assert node2.has_param(1, False) is True
 
     def test_get(self):
         """test Template.get()"""
@@ -147,13 +149,15 @@ class TestTemplate(TreeEqualityTestCase):
         node3 = Template(wraptext("foo"), [pgenh("1", "a"), node3p1, node3p2])
         node4p1 = pgens(" b", " ")
         node4 = Template(wraptext("foo"), [pgenh("1", "a"), node4p1])
-        self.assertRaises(ValueError, node1.get, "foobar")
-        self.assertIs(node2p1, node2.get(1))
-        self.assertIs(node2p2, node2.get("abc"))
-        self.assertRaises(ValueError, node2.get, "def")
-        self.assertIs(node3p1, node3.get("b"))
-        self.assertIs(node3p2, node3.get("1"))
-        self.assertIs(node4p1, node4.get("b "))
+        with pytest.raises(ValueError):
+            node1.get("foobar")
+        assert node2p1 is node2.get(1)
+        assert node2p2 is node2.get("abc")
+        with pytest.raises(ValueError):
+            node2.get("def")
+        assert node3p1 is node3.get("b")
+        assert node3p2 is node3.get("1")
+        assert node4p1 is node4.get("b ")
 
     def test_add(self):
         """test Template.add()"""
@@ -227,12 +231,12 @@ class TestTemplate(TreeEqualityTestCase):
         node4.add("e", "f", showkey=True, before="b")
         node5.add("f", "g", showkey=True, before=" d     ")
         node6.add("f", "g", showkey=True, before="b")
-        self.assertRaises(ValueError, node7.add, "e", "f", showkey=True,
-                          before="q")
+        with pytest.raises(ValueError):
+            node7.add("e", "f", showkey=True, before="q")
         node8.add("e", "f", showkey=True, before=node8p)
         node9.add("e", "f", showkey=True, before=pgenh("1", "d"))
-        self.assertRaises(ValueError, node10.add, "e", "f", showkey=True,
-                          before=pgenh("1", "d"))
+        with pytest.raises(ValueError):
+            node10.add("e", "f", showkey=True, before=pgenh("1", "d"))
         node11.add("d", "foo=bar", showkey=True)
         node12.add("1", "foo=bar", showkey=False)
         node13.add("h", "i", showkey=True)
@@ -261,59 +265,60 @@ class TestTemplate(TreeEqualityTestCase):
         node36.add("d", "h", before="b")
         node37.add(1, "b")
         node38.add("1", "foo")
-        self.assertRaises(ValueError, node38.add, "z", "bar", showkey=False)
+        with pytest.raises(ValueError):
+            node38.add("z", "bar", showkey=False)
         node39.add("1", "c")
         node40.add("3", "d")
         node41.add("3", "d")
         node42.add("b", "hello")
 
-        self.assertEqual("{{a|b=c|d|e=f}}", node1)
-        self.assertEqual("{{a|b=c|d|g}}", node2)
-        self.assertEqual("{{a|b=c|d|e=foo&#124;bar}}", node3)
-        self.assertIsInstance(node3.params[2].value.get(1), HTMLEntity)
-        self.assertEqual("{{a|e=f|b=c|d}}", node4)
-        self.assertEqual("{{a|b=c|f=g|    d =e}}", node5)
-        self.assertEqual("{{a|b=c|b=d|f=g|b=e}}", node6)
-        self.assertEqual("{{a|b=c|d}}", node7)
-        self.assertEqual("{{a|b=c|e=f|d}}", node8)
-        self.assertEqual("{{a|b=c|e=f|d}}", node9)
-        self.assertEqual("{{a|b=c|e}}", node10)
-        self.assertEqual("{{a|b=c|d=foo=bar}}", node11)
-        self.assertEqual("{{a|b=c|foo&#61;bar}}", node12)
-        self.assertIsInstance(node12.params[1].value.get(1), HTMLEntity)
-        self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|\nh = i}}", node13)
-        self.assertEqual("{{a\n|b =c\n|d = e|f =g\n|h = i\n|j =k\n}}", node14)
-        self.assertEqual("{{a|b  = c\n|\nd  = e|\nf  =g |\nh  = i}}", node15)
-        self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|h=i}}", node16)
-        self.assertEqual("{{a|b|c}}", node17)
-        self.assertEqual("{{a|b|3=c}}", node18)
-        self.assertEqual("{{a|b|c=d}}", node19)
-        self.assertEqual("{{a|b|c|d|e|f}}", node20)
-        self.assertEqual("{{a|b|c|4=d|5=e|f}}", node21)
-        self.assertEqual("{{a|b|c|4=d|5=e|6=f}}", node22)
-        self.assertEqual("{{a|b|c=foo=bar}}", node23)
-        self.assertEqual("{{a|b|foo&#61;bar}}", node24)
-        self.assertIsInstance(node24.params[1].value.get(1), HTMLEntity)
-        self.assertEqual("{{a|b=d}}", node25)
-        self.assertEqual("{{a|foo&#61;bar}}", node26)
-        self.assertIsInstance(node26.params[0].value.get(1), HTMLEntity)
-        self.assertEqual("{{a|1=foo=bar}}", node27)
-        self.assertEqual("{{a|foo&#61;bar}}", node28)
-        self.assertIsInstance(node28.params[0].value.get(1), HTMLEntity)
-        self.assertEqual("{{a|\nb = c|\nd = foo|\nf = g}}", node29)
-        self.assertEqual("{{a\n|b =c\n|d = e|f =foo\n|h = i\n}}", node30)
-        self.assertEqual("{{a|b  = c\n|\nd  = e|\nf  =foo }}", node31)
-        self.assertEqual("{{a|\nb = c |\nd =foo|\nf = g }}", node32)
-        self.assertEqual("{{a|b=k|d=e|i=j}}", node33)
-        self.assertEqual("{{a|1=e|x=y|2=d}}", node34)
-        self.assertEqual("{{a|x=y|e|d}}", node35)
-        self.assertEqual("{{a|b=c|d=h|f=g}}", node36)
-        self.assertEqual("{{a|b}}", node37)
-        self.assertEqual("{{abc|foo}}", node38)
-        self.assertEqual("{{a|c}}", node39)
-        self.assertEqual("{{a| b| c|d}}", node40)
-        self.assertEqual("{{a|1= b|2= c|3= d}}", node41)
-        self.assertEqual("{{a|b=hello  \n}}", node42)
+        assert "{{a|b=c|d|e=f}}" == node1
+        assert "{{a|b=c|d|g}}" == node2
+        assert "{{a|b=c|d|e=foo&#124;bar}}" == node3
+        assert isinstance(node3.params[2].value.get(1), HTMLEntity)
+        assert "{{a|e=f|b=c|d}}" == node4
+        assert "{{a|b=c|f=g|    d =e}}" == node5
+        assert "{{a|b=c|b=d|f=g|b=e}}" == node6
+        assert "{{a|b=c|d}}" == node7
+        assert "{{a|b=c|e=f|d}}" == node8
+        assert "{{a|b=c|e=f|d}}" == node9
+        assert "{{a|b=c|e}}" == node10
+        assert "{{a|b=c|d=foo=bar}}" == node11
+        assert "{{a|b=c|foo&#61;bar}}" == node12
+        assert isinstance(node12.params[1].value.get(1), HTMLEntity)
+        assert "{{a|\nb = c|\nd = e|\nf = g|\nh = i}}" == node13
+        assert "{{a\n|b =c\n|d = e|f =g\n|h = i\n|j =k\n}}" == node14
+        assert "{{a|b  = c\n|\nd  = e|\nf  =g |\nh  = i}}" == node15
+        assert "{{a|\nb = c|\nd = e|\nf = g|h=i}}" == node16
+        assert "{{a|b|c}}" == node17
+        assert "{{a|b|3=c}}" == node18
+        assert "{{a|b|c=d}}" == node19
+        assert "{{a|b|c|d|e|f}}" == node20
+        assert "{{a|b|c|4=d|5=e|f}}" == node21
+        assert "{{a|b|c|4=d|5=e|6=f}}" == node22
+        assert "{{a|b|c=foo=bar}}" == node23
+        assert "{{a|b|foo&#61;bar}}" == node24
+        assert isinstance(node24.params[1].value.get(1), HTMLEntity)
+        assert "{{a|b=d}}" == node25
+        assert "{{a|foo&#61;bar}}" == node26
+        assert isinstance(node26.params[0].value.get(1), HTMLEntity)
+        assert "{{a|1=foo=bar}}" == node27
+        assert "{{a|foo&#61;bar}}" == node28
+        assert isinstance(node28.params[0].value.get(1), HTMLEntity)
+        assert "{{a|\nb = c|\nd = foo|\nf = g}}" == node29
+        assert "{{a\n|b =c\n|d = e|f =foo\n|h = i\n}}" == node30
+        assert "{{a|b  = c\n|\nd  = e|\nf  =foo }}" == node31
+        assert "{{a|\nb = c |\nd =foo|\nf = g }}" == node32
+        assert "{{a|b=k|d=e|i=j}}" == node33
+        assert "{{a|1=e|x=y|2=d}}" == node34
+        assert "{{a|x=y|e|d}}" == node35
+        assert "{{a|b=c|d=h|f=g}}" == node36
+        assert "{{a|b}}" == node37
+        assert "{{abc|foo}}" == node38
+        assert "{{a|c}}" == node39
+        assert "{{a| b| c|d}}" == node40
+        assert "{{a|1= b|2= c|3= d}}" == node41
+        assert "{{a|b=hello  \n}}" == node42
 
     def test_remove(self):
         """test Template.remove()"""
@@ -405,35 +410,39 @@ class TestTemplate(TreeEqualityTestCase):
         node25.remove(node25.params[3], keep_field=False)
         node26.remove(node26.params[3], keep_field=True)
 
-        self.assertRaises(ValueError, node1.remove, 1)
-        self.assertRaises(ValueError, node1.remove, "a")
-        self.assertRaises(ValueError, node2.remove, "1")
-        self.assertEqual("{{foo}}", node2)
-        self.assertEqual("{{foo||abc=}}", node3)
-        self.assertEqual("{{foo|2=baz}}", node4)
-        self.assertEqual("{{foo|b=c}}", node5)
-        self.assertEqual("{{foo| a=|b=c}}", node6)
-        self.assertEqual("{{foo|1  =|2=c}}", node7)
-        self.assertEqual("{{foo|2=c}}", node8)
-        self.assertEqual("{{foo||c}}", node9)
-        self.assertEqual("{{foo|2=c}}", node10)
-        self.assertEqual("{{foo|b=c|a =d}}", node11)
-        self.assertEqual("{{foo| a=|b=c|a =d}}", node12)
-        self.assertEqual("{{foo| a=b|a =d}}", node13)
-        self.assertEqual("{{foo| a=b|b=|a =d}}", node14)
-        self.assertEqual("{{foo| a=b|b=c}}", node15)
-        self.assertEqual("{{foo| a=b|b=c|a =}}", node16)
-        self.assertEqual("{{foo|b|c}}", node17)
-        self.assertEqual("{{foo|1  =|b|c}}", node18)
-        self.assertEqual("{{foo|1  =a|2=c}}", node19)
-        self.assertEqual("{{foo|1  =a||c}}", node20)
-        self.assertEqual("{{foo|c=d|e=f}}", node21)
-        self.assertEqual("{{foo|a=|c=d|e=f}}", node22)
-        self.assertEqual("{{foo|c=d|e=f|a=b|a=b}}", node23)
-        self.assertEqual("{{foo|a=|c=d|e=f|a=b|a=b}}", node24)
-        self.assertEqual("{{foo|a=b|c=d|e=f|a=b}}", node25)
-        self.assertEqual("{{foo|a=b|c=d|e=f|a=|a=b}}", node26)
-        self.assertRaises(ValueError, node27.remove, node28.get(1))
+        with pytest.raises(ValueError):
+            node1.remove(1)
+        with pytest.raises(ValueError):
+            node1.remove("a")
+        with pytest.raises(ValueError):
+            node2.remove("1")
+        assert "{{foo}}" == node2
+        assert "{{foo||abc=}}" == node3
+        assert "{{foo|2=baz}}" == node4
+        assert "{{foo|b=c}}" == node5
+        assert "{{foo| a=|b=c}}" == node6
+        assert "{{foo|1  =|2=c}}" == node7
+        assert "{{foo|2=c}}" == node8
+        assert "{{foo||c}}" == node9
+        assert "{{foo|2=c}}" == node10
+        assert "{{foo|b=c|a =d}}" == node11
+        assert "{{foo| a=|b=c|a =d}}" == node12
+        assert "{{foo| a=b|a =d}}" == node13
+        assert "{{foo| a=b|b=|a =d}}" == node14
+        assert "{{foo| a=b|b=c}}" == node15
+        assert "{{foo| a=b|b=c|a =}}" == node16
+        assert "{{foo|b|c}}" == node17
+        assert "{{foo|1  =|b|c}}" == node18
+        assert "{{foo|1  =a|2=c}}" == node19
+        assert "{{foo|1  =a||c}}" == node20
+        assert "{{foo|c=d|e=f}}" == node21
+        assert "{{foo|a=|c=d|e=f}}" == node22
+        assert "{{foo|c=d|e=f|a=b|a=b}}" == node23
+        assert "{{foo|a=|c=d|e=f|a=b|a=b}}" == node24
+        assert "{{foo|a=b|c=d|e=f|a=b}}" == node25
+        assert "{{foo|a=b|c=d|e=f|a=|a=b}}" == node26
+        with pytest.raises(ValueError):
+            node27.remove(node28.get(1))
 
     def test_formatting(self):
         """test realistic param manipulation with complex whitespace formatting
@@ -600,7 +609,4 @@ class TestTemplate(TreeEqualityTestCase):
             newlines = str(code).splitlines(True)
             difflines = unified_diff(oldlines, newlines, n=1)
             diff = "".join(list(difflines)[2:]).strip()
-            self.assertEqual(expected, diff)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+            assert expected == diff
diff --git a/tests/test_text.py b/tests/test_text.py
index 94da937..41a4eb8 100644
--- a/tests/test_text.py
+++ b/tests/test_text.py
@@ -19,30 +19,31 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Text
 
-class TestText(unittest.TestCase):
+class TestText:
     """Test cases for the Text node."""
 
     def test_unicode(self):
         """test Text.__unicode__()"""
         node = Text("foobar")
-        self.assertEqual("foobar", str(node))
+        assert "foobar" == str(node)
         node2 = Text("fóóbar")
-        self.assertEqual("fóóbar", str(node2))
+        assert "fóóbar" == str(node2)
 
     def test_children(self):
         """test Text.__children__()"""
         node = Text("foobar")
         gen = node.__children__()
-        self.assertRaises(StopIteration, next, gen)
+        with pytest.raises(StopIteration):
+            next(gen)
 
     def test_strip(self):
         """test Text.__strip__()"""
         node = Text("foobar")
-        self.assertIs(node, node.__strip__())
+        assert node is node.__strip__()
 
     def test_showtree(self):
         """test Text.__showtree__()"""
@@ -54,16 +55,13 @@ class TestText(unittest.TestCase):
         node2.__showtree__(output.append, None, None)
         node3.__showtree__(output.append, None, None)
         res = ["foobar", r"f\xf3\xf3bar", "\\U00010332\\U0001033f\\U00010344"]
-        self.assertEqual(res, output)
+        assert res == output
 
     def test_value(self):
         """test getter/setter for the value attribute"""
         node = Text("foobar")
-        self.assertEqual("foobar", node.value)
-        self.assertIsInstance(node.value, str)
+        assert "foobar" == node.value
+        assert isinstance(node.value, str)
         node.value = "héhéhé"
-        self.assertEqual("héhéhé", node.value)
-        self.assertIsInstance(node.value, str)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert "héhéhé" == node.value
+        assert isinstance(node.value, str)
diff --git a/tests/test_tokenizer.py b/tests/test_tokenizer.py
new file mode 100644
index 0000000..dafd6e5
--- /dev/null
+++ b/tests/test_tokenizer.py
@@ -0,0 +1,134 @@
+#
+# Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import codecs
+from os import listdir, path
+import pytest
+import warnings
+
+from mwparserfromhell.parser import contexts, tokens
+from mwparserfromhell.parser.builder import Builder
+from mwparserfromhell.parser.tokenizer import Tokenizer as PyTokenizer
+try:
+    from mwparserfromhell.parser._tokenizer import CTokenizer
+except ImportError:
+    CTokenizer = None
+
+
+class _TestParseError(Exception):
+    """Raised internally when a test could not be parsed."""
+    pass
+
+
+def _parse_test(test, data):
+    """Parse an individual *test*, storing its info in *data*."""
+    for line in test.strip().splitlines():
+        if line.startswith("name:"):
+            data["name"] = line[len("name:"):].strip()
+        elif line.startswith("label:"):
+            data["label"] = line[len("label:"):].strip()
+        elif line.startswith("input:"):
+            raw = line[len("input:"):].strip()
+            if raw[0] == '"' and raw[-1] == '"':
+                raw = raw[1:-1]
+            raw = raw.encode("raw_unicode_escape")
+            data["input"] = raw.decode("unicode_escape")
+        elif line.startswith("output:"):
+            raw = line[len("output:"):].strip()
+            try:
+                data["output"] = eval(raw, vars(tokens))
+            except Exception as err:
+                raise _TestParseError(err)
+
+
+def _load_tests(filename, name, text):
+    """Load all tests in *text* from the file *filename*."""
+    tests = text.split("\n---\n")
+    for test in tests:
+        data = {"name": None, "label": None, "input": None, "output": None}
+        try:
+            _parse_test(test, data)
+        except _TestParseError as err:
+            if data["name"]:
+                error = "Could not parse test '{0}' in '{1}':\n\t{2}"
+                warnings.warn(error.format(data["name"], filename, err))
+            else:
+                error = "Could not parse a test in '{0}':\n\t{1}"
+                warnings.warn(error.format(filename, err))
+            continue
+
+        if not data["name"]:
+            error = "A test in '{0}' was ignored because it lacked a name"
+            warnings.warn(error.format(filename))
+            continue
+        if data["input"] is None or data["output"] is None:
+            error = "Test '{}' in '{}' was ignored because it lacked an input or an output"
+            warnings.warn(error.format(data["name"], filename))
+            continue
+
+        # Include test filename in name
+        data['name'] = '{}:{}'.format(name, data['name'])
+
+        yield data
+
+
+def build():
+    """Load and install all tests from the 'tokenizer' directory."""
+    directory = path.join(path.dirname(__file__), "tokenizer")
+    extension = ".mwtest"
+    for filename in listdir(directory):
+        if not filename.endswith(extension):
+            continue
+        fullname = path.join(directory, filename)
+        with codecs.open(fullname, "r", encoding="utf8") as fp:
+            text = fp.read()
+            name = path.split(fullname)[1][:-len(extension)]
+            yield from _load_tests(fullname, name, text)
+
+
+@pytest.mark.parametrize("tokenizer", filter(None, (
+    CTokenizer, PyTokenizer
+)), ids=lambda t: 'CTokenizer' if t.USES_C else 'PyTokenizer')
+@pytest.mark.parametrize("data", build(), ids=lambda data: data['name'])
+def test_tokenizer(tokenizer, data):
+    expected = data["output"]
+    actual = tokenizer().tokenize(data["input"])
+    assert expected == actual
+
+
+@pytest.mark.parametrize("data", build(), ids=lambda data: data['name'])
+def test_roundtrip(data):
+    expected = data["input"]
+    actual = str(Builder().build(data["output"][:]))
+    assert expected == actual
+
+
+@pytest.mark.skipif(CTokenizer is None, reason='CTokenizer not available')
+def test_c_tokenizer_uses_c():
+    """make sure the C tokenizer identifies as using a C extension"""
+    assert CTokenizer.USES_C is True
+    assert CTokenizer().USES_C is True
+
+
+def test_describe_context():
+    assert "" == contexts.describe(0)
+    ctx = contexts.describe(contexts.TEMPLATE_PARAM_KEY|contexts.HAS_TEXT)
+    assert "TEMPLATE_PARAM_KEY|HAS_TEXT" == ctx
diff --git a/tests/test_tokens.py b/tests/test_tokens.py
index 6ce28b5..5ce3058 100644
--- a/tests/test_tokens.py
+++ b/tests/test_tokens.py
@@ -19,39 +19,40 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.parser import tokens
 
-class TestTokens(unittest.TestCase):
+class TestTokens:
     """Test cases for the Token class and its subclasses."""
 
-    def test_issubclass(self):
+    @pytest.mark.parametrize("name", tokens.__all__)
+    def test_issubclass(self, name):
         """check that all classes within the tokens module are really Tokens"""
-        for name in tokens.__all__:
-            klass = getattr(tokens, name)
-            self.assertTrue(issubclass(klass, tokens.Token))
-            self.assertIsInstance(klass(), klass)
-            self.assertIsInstance(klass(), tokens.Token)
+        klass = getattr(tokens, name)
+        assert issubclass(klass, tokens.Token) is True
+        assert isinstance(klass(), klass)
+        assert isinstance(klass(), tokens.Token)
 
     def test_attributes(self):
         """check that Token attributes can be managed properly"""
         token1 = tokens.Token()
         token2 = tokens.Token(foo="bar", baz=123)
 
-        self.assertEqual("bar", token2.foo)
-        self.assertEqual(123, token2.baz)
-        self.assertFalse(token1.foo)
-        self.assertFalse(token2.bar)
+        assert "bar" == token2.foo
+        assert 123 == token2.baz
+        assert token1.foo is None
+        assert token2.bar is None
 
         token1.spam = "eggs"
         token2.foo = "ham"
         del token2.baz
 
-        self.assertEqual("eggs", token1.spam)
-        self.assertEqual("ham", token2.foo)
-        self.assertFalse(token2.baz)
-        self.assertRaises(KeyError, delattr, token2, "baz")
+        assert "eggs" == token1.spam
+        assert "ham" == token2.foo
+        assert token2.baz is None
+        with pytest.raises(KeyError):
+            token2.__delattr__("baz")
 
     def test_repr(self):
         """check that repr() on a Token works as expected"""
@@ -60,13 +61,13 @@ class TestTokens(unittest.TestCase):
         token3 = tokens.Text(text="earwig" * 100)
         hundredchars = ("earwig" * 100)[:97] + "..."
 
-        self.assertEqual("Token()", repr(token1))
+        assert "Token()" == repr(token1)
         token2repr1 = "Token(foo='bar', baz=123)"
         token2repr2 = "Token(baz=123, foo='bar')"
         token3repr = "Text(text='" + hundredchars + "')"
         token2repr = repr(token2)
-        self.assertTrue(token2repr == token2repr1 or token2repr == token2repr2)
-        self.assertEqual(token3repr, repr(token3))
+        assert token2repr == token2repr1 or token2repr == token2repr2
+        assert token3repr == repr(token3)
 
     def test_equality(self):
         """check that equivalent tokens are considered equal"""
@@ -77,24 +78,20 @@ class TestTokens(unittest.TestCase):
         token5 = tokens.Text(text="asdf")
         token6 = tokens.TemplateOpen(text="asdf")
 
-        self.assertEqual(token1, token2)
-        self.assertEqual(token2, token1)
-        self.assertEqual(token4, token5)
-        self.assertEqual(token5, token4)
-        self.assertNotEqual(token1, token3)
-        self.assertNotEqual(token2, token3)
-        self.assertNotEqual(token4, token6)
-        self.assertNotEqual(token5, token6)
+        assert token1 == token2
+        assert token2 == token1
+        assert token4 == token5
+        assert token5 == token4
+        assert token1 != token3
+        assert token2 != token3
+        assert token4 != token6
+        assert token5 != token6
 
-    def test_repr_equality(self):
-        "check that eval(repr(token)) == token"
-        tests = [
-            tokens.Token(),
-            tokens.Token(foo="bar", baz=123),
-            tokens.Text(text="earwig")
-        ]
-        for token in tests:
-            self.assertEqual(token, eval(repr(token), vars(tokens)))
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+    @pytest.mark.parametrize("token", [
+        tokens.Token(),
+        tokens.Token(foo="bar", baz=123),
+        tokens.Text(text="earwig")
+    ])
+    def test_repr_equality(self, token):
+        """check that eval(repr(token)) == token"""
+        assert token == eval(repr(token), vars(tokens))
diff --git a/tests/test_utils.py b/tests/test_utils.py
index b8572fd..9e0ef4e 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Template, Text
 from mwparserfromhell.utils import parse_anything
@@ -29,32 +29,29 @@ from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
 class TestUtils(TreeEqualityTestCase):
     """Tests for the utils module, which provides parse_anything()."""
 
-    def test_parse_anything_valid(self):
+    @pytest.mark.parametrize("test,valid", [
+        (wraptext("foobar"), wraptext("foobar")),
+        (Template(wraptext("spam")), wrap([Template(wraptext("spam"))])),
+        ("fóóbar", wraptext("fóóbar")),
+        (b"foob\xc3\xa1r", wraptext("foobár")),
+        (123, wraptext("123")),
+        (True, wraptext("True")),
+        (None, wrap([])),
+        ([Text("foo"), Text("bar"), Text("baz")],
+         wraptext("foo", "bar", "baz")),
+        ([wraptext("foo"), Text("bar"), "baz", 123, 456],
+         wraptext("foo", "bar", "baz", "123", "456")),
+        ([[[([[((("foo",),),)], "bar"],)]]], wraptext("foo", "bar"))
+    ])
+    def test_parse_anything_valid(self, test, valid):
         """tests for valid input to utils.parse_anything()"""
-        tests = [
-            (wraptext("foobar"), wraptext("foobar")),
-            (Template(wraptext("spam")), wrap([Template(wraptext("spam"))])),
-            ("fóóbar", wraptext("fóóbar")),
-            (b"foob\xc3\xa1r", wraptext("foobár")),
-            (123, wraptext("123")),
-            (True, wraptext("True")),
-            (None, wrap([])),
-            ([Text("foo"), Text("bar"), Text("baz")],
-             wraptext("foo", "bar", "baz")),
-            ([wraptext("foo"), Text("bar"), "baz", 123, 456],
-             wraptext("foo", "bar", "baz", "123", "456")),
-            ([[[([[((("foo",),),)], "bar"],)]]], wraptext("foo", "bar"))
-        ]
-        for test, valid in tests:
-            self.assertWikicodeEqual(valid, parse_anything(test))
+        self.assertWikicodeEqual(valid, parse_anything(test))
 
-    def test_parse_anything_invalid(self):
+    @pytest.mark.parametrize("invalid", [
+        Ellipsis, object, object(), type,
+        ["foo", [object]]
+    ])
+    def test_parse_anything_invalid(self, invalid):
         """tests for invalid input to utils.parse_anything()"""
-        self.assertRaises(ValueError, parse_anything, Ellipsis)
-        self.assertRaises(ValueError, parse_anything, object)
-        self.assertRaises(ValueError, parse_anything, object())
-        self.assertRaises(ValueError, parse_anything, type)
-        self.assertRaises(ValueError, parse_anything, ["foo", [object]])
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        with pytest.raises(ValueError):
+            parse_anything(invalid)
diff --git a/tests/test_wikicode.py b/tests/test_wikicode.py
index 9701865..82025ba 100644
--- a/tests/test_wikicode.py
+++ b/tests/test_wikicode.py
@@ -20,12 +20,11 @@
 # SOFTWARE.
 
 from functools import partial
+import pytest
 import re
 from types import GeneratorType
-import unittest
 
-from mwparserfromhell.nodes import (Argument, Comment, Heading, HTMLEntity,
-                                    Node, Tag, Template, Text, Wikilink)
+from mwparserfromhell.nodes import Argument, Heading, Template, Text
 from mwparserfromhell.smart_list import SmartList
 from mwparserfromhell.wikicode import Wikicode
 from mwparserfromhell import parse
@@ -39,72 +38,79 @@ class TestWikicode(TreeEqualityTestCase):
         """test Wikicode.__unicode__()"""
         code1 = parse("foobar")
         code2 = parse("Have a {{template}} and a [[page|link]]")
-        self.assertEqual("foobar", str(code1))
-        self.assertEqual("Have a {{template}} and a [[page|link]]", str(code2))
+        assert "foobar" == str(code1)
+        assert "Have a {{template}} and a [[page|link]]" == str(code2)
 
     def test_nodes(self):
         """test getter/setter for the nodes attribute"""
         code = parse("Have a {{template}}")
-        self.assertEqual(["Have a ", "{{template}}"], code.nodes)
+        assert ["Have a " == "{{template}}"], code.nodes
         L1 = SmartList([Text("foobar"), Template(wraptext("abc"))])
         L2 = [Text("barfoo"), Template(wraptext("cba"))]
         L3 = "abc{{def}}"
         code.nodes = L1
-        self.assertIs(L1, code.nodes)
+        assert L1 is code.nodes
         code.nodes = L2
-        self.assertIs(L2, code.nodes)
+        assert L2 is code.nodes
         code.nodes = L3
-        self.assertEqual(["abc", "{{def}}"], code.nodes)
-        self.assertRaises(ValueError, setattr, code, "nodes", object)
+        assert ["abc" == "{{def}}"], code.nodes
+        with pytest.raises(ValueError):
+            code.__setattr__("nodes", object)
 
     def test_get(self):
         """test Wikicode.get()"""
         code = parse("Have a {{template}} and a [[page|link]]")
-        self.assertIs(code.nodes[0], code.get(0))
-        self.assertIs(code.nodes[2], code.get(2))
-        self.assertRaises(IndexError, code.get, 4)
+        assert code.nodes[0] is code.get(0)
+        assert code.nodes[2] is code.get(2)
+        with pytest.raises(IndexError):
+            code.get(4)
 
     def test_set(self):
         """test Wikicode.set()"""
         code = parse("Have a {{template}} and a [[page|link]]")
         code.set(1, "{{{argument}}}")
-        self.assertEqual("Have a {{{argument}}} and a [[page|link]]", code)
-        self.assertIsInstance(code.get(1), Argument)
+        assert "Have a {{{argument}}} and a [[page|link]]" == code
+        assert isinstance(code.get(1), Argument)
         code.set(2, None)
-        self.assertEqual("Have a {{{argument}}}[[page|link]]", code)
+        assert "Have a {{{argument}}}[[page|link]]" == code
         code.set(-3, "This is an ")
-        self.assertEqual("This is an {{{argument}}}[[page|link]]", code)
-        self.assertRaises(ValueError, code.set, 1, "foo {{bar}}")
-        self.assertRaises(IndexError, code.set, 3, "{{baz}}")
-        self.assertRaises(IndexError, code.set, -4, "{{baz}}")
+        assert "This is an {{{argument}}}[[page|link]]" == code
+        with pytest.raises(ValueError):
+            code.set(1, "foo {{bar}}")
+        with pytest.raises(IndexError):
+            code.set(3, "{{baz}}")
+        with pytest.raises(IndexError):
+            code.set(-4, "{{baz}}")
 
     def test_contains(self):
         """test Wikicode.contains()"""
         code = parse("Here is {{aaa|{{bbb|xyz{{ccc}}}}}} and a [[page|link]]")
         tmpl1, tmpl2, tmpl3 = code.filter_templates()
         tmpl4 = parse("{{ccc}}").filter_templates()[0]
-        self.assertTrue(code.contains(tmpl1))
-        self.assertTrue(code.contains(tmpl3))
-        self.assertFalse(code.contains(tmpl4))
-        self.assertTrue(code.contains(str(tmpl4)))
-        self.assertTrue(code.contains(tmpl2.params[0].value))
+        assert code.contains(tmpl1) is True
+        assert code.contains(tmpl3) is True
+        assert code.contains(tmpl4) is False
+        assert code.contains(str(tmpl4)) is True
+        assert code.contains(tmpl2.params[0].value) is True
 
     def test_index(self):
         """test Wikicode.index()"""
         code = parse("Have a {{template}} and a [[page|link]]")
-        self.assertEqual(0, code.index("Have a "))
-        self.assertEqual(3, code.index("[[page|link]]"))
-        self.assertEqual(1, code.index(code.get(1)))
-        self.assertRaises(ValueError, code.index, "foo")
+        assert 0 == code.index("Have a ")
+        assert 3 == code.index("[[page|link]]")
+        assert 1 == code.index(code.get(1))
+        with pytest.raises(ValueError):
+            code.index("foo")
 
         code = parse("{{foo}}{{bar|{{baz}}}}")
-        self.assertEqual(1, code.index("{{bar|{{baz}}}}"))
-        self.assertEqual(1, code.index("{{baz}}", recursive=True))
-        self.assertEqual(1, code.index(code.get(1).get(1).value,
-                                       recursive=True))
-        self.assertRaises(ValueError, code.index, "{{baz}}", recursive=False)
-        self.assertRaises(ValueError, code.index,
-                          code.get(1).get(1).value, recursive=False)
+        assert 1 == code.index("{{bar|{{baz}}}}")
+        assert 1 == code.index("{{baz}}", recursive=True)
+        assert 1 == code.index(code.get(1).get(1).value,
+                               recursive=True)
+        with pytest.raises(ValueError):
+            code.index("{{baz}}", recursive=False)
+        with pytest.raises(ValueError):
+            code.index(code.get(1).get(1).value, recursive=False)
 
     def test_get_ancestors_parent(self):
         """test Wikicode.get_ancestors() and Wikicode.get_parent()"""
@@ -115,37 +121,36 @@ class TestWikicode(TreeEqualityTestCase):
         parent3 = code.filter_templates(matches=lambda n: n.name == "a")[0]
         fake = parse("{{f}}").get(0)
 
-        self.assertEqual([parent3, parent2, parent1], code.get_ancestors(tmpl))
-        self.assertIs(parent1, code.get_parent(tmpl))
-        self.assertEqual([], code.get_ancestors(parent3))
-        self.assertIs(None, code.get_parent(parent3))
-        self.assertRaises(ValueError, code.get_ancestors, fake)
-        self.assertRaises(ValueError, code.get_parent, fake)
+        assert [parent3 == parent2, parent1], code.get_ancestors(tmpl)
+        assert parent1 is code.get_parent(tmpl)
+        assert [] == code.get_ancestors(parent3)
+        assert None is code.get_parent(parent3)
+        with pytest.raises(ValueError):
+            code.get_ancestors(fake)
+        with pytest.raises(ValueError):
+            code.get_parent(fake)
 
     def test_insert(self):
         """test Wikicode.insert()"""
         code = parse("Have a {{template}} and a [[page|link]]")
         code.insert(1, "{{{argument}}}")
-        self.assertEqual(
-            "Have a {{{argument}}}{{template}} and a [[page|link]]", code)
-        self.assertIsInstance(code.get(1), Argument)
+        assert "Have a {{{argument}}}{{template}} and a [[page|link]]" == code
+        assert isinstance(code.get(1), Argument)
         code.insert(2, None)
-        self.assertEqual(
-            "Have a {{{argument}}}{{template}} and a [[page|link]]", code)
+        assert "Have a {{{argument}}}{{template}} and a [[page|link]]" == code
         code.insert(-3, Text("foo"))
-        self.assertEqual(
-            "Have a {{{argument}}}foo{{template}} and a [[page|link]]", code)
+        assert "Have a {{{argument}}}foo{{template}} and a [[page|link]]" == code
 
         code2 = parse("{{foo}}{{bar}}{{baz}}")
         code2.insert(1, "abc{{def}}ghi[[jk]]")
-        self.assertEqual("{{foo}}abc{{def}}ghi[[jk]]{{bar}}{{baz}}", code2)
-        self.assertEqual(["{{foo}}", "abc", "{{def}}", "ghi", "[[jk]]",
-                          "{{bar}}", "{{baz}}"], code2.nodes)
+        assert "{{foo}}abc{{def}}ghi[[jk]]{{bar}}{{baz}}" == code2
+        assert ["{{foo}}", "abc", "{{def}}", "ghi", "[[jk]]",
+                          "{{bar}}", "{{baz}}"] == code2.nodes
 
         code3 = parse("{{foo}}bar")
         code3.insert(1000, "[[baz]]")
         code3.insert(-1000, "derp")
-        self.assertEqual("derp{{foo}}bar[[baz]]", code3)
+        assert "derp{{foo}}bar[[baz]]" == code3
 
     def _test_search(self, meth, expected):
         """Base test for insert_before(), insert_after(), and replace()."""
@@ -154,12 +159,16 @@ class TestWikicode(TreeEqualityTestCase):
         func("{{b}}", "x", recursive=True)
         func("{{d}}", "[[y]]", recursive=False)
         func(code.get(2), "z")
-        self.assertEqual(expected[0], code)
-        self.assertRaises(ValueError, func, "{{r}}", "n", recursive=True)
-        self.assertRaises(ValueError, func, "{{r}}", "n", recursive=False)
+        assert expected[0] == code
+        with pytest.raises(ValueError):
+            func("{{r}}", "n", recursive=True)
+        with pytest.raises(ValueError):
+            func("{{r}}", "n", recursive=False)
         fake = parse("{{a}}").get(0)
-        self.assertRaises(ValueError, func, fake, "n", recursive=True)
-        self.assertRaises(ValueError, func, fake, "n", recursive=False)
+        with pytest.raises(ValueError):
+            func(fake, "n", recursive=True)
+        with pytest.raises(ValueError):
+            func(fake, "n", recursive=False)
 
         code2 = parse("{{a}}{{a}}{{a}}{{b}}{{b}}{{b}}")
         func = partial(meth, code2)
@@ -167,67 +176,78 @@ class TestWikicode(TreeEqualityTestCase):
         func("{{a}}", "d", recursive=False)
         func(code2.get(-1), "e", recursive=True)
         func("{{b}}", "f", recursive=True)
-        self.assertEqual(expected[1], code2)
+        assert expected[1] == code2
 
         code3 = parse("{{a|{{b}}|{{c|d={{f}}}}}}")
         func = partial(meth, code3)
         obj = code3.get(0).params[0].value.get(0)
-        self.assertRaises(ValueError, func, obj, "x", recursive=False)
+        with pytest.raises(ValueError):
+            func(obj, "x", recursive=False)
         func(obj, "x", recursive=True)
-        self.assertRaises(ValueError, func, "{{f}}", "y", recursive=False)
+        with pytest.raises(ValueError):
+            func("{{f}}", "y", recursive=False)
         func("{{f}}", "y", recursive=True)
-        self.assertEqual(expected[2], code3)
+        assert expected[2] == code3
 
         code4 = parse("{{a}}{{b}}{{c}}{{d}}{{e}}{{f}}{{g}}{{h}}{{i}}{{j}}")
         func = partial(meth, code4)
         fake = parse("{{b}}{{c}}")
-        self.assertRaises(ValueError, func, fake, "q", recursive=False)
-        self.assertRaises(ValueError, func, fake, "q", recursive=True)
+        with pytest.raises(ValueError):
+            func(fake, "q", recursive=False)
+        with pytest.raises(ValueError):
+            func(fake, "q", recursive=True)
         func("{{b}}{{c}}", "w", recursive=False)
         func("{{d}}{{e}}", "x", recursive=True)
         func(Wikicode(code4.nodes[-2:]), "y", recursive=False)
         func(Wikicode(code4.nodes[-2:]), "z", recursive=True)
-        self.assertEqual(expected[3], code4)
-        self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=False)
-        self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=True)
+        assert expected[3] == code4
+        with pytest.raises(ValueError):
+            func("{{c}}{{d}}", "q", recursive=False)
+        with pytest.raises(ValueError):
+            func("{{c}}{{d}}", "q", recursive=True)
 
         code5 = parse("{{a|{{b}}{{c}}|{{f|{{g}}={{h}}{{i}}}}}}")
         func = partial(meth, code5)
-        self.assertRaises(ValueError, func, "{{b}}{{c}}", "x", recursive=False)
+        with pytest.raises(ValueError):
+            func("{{b}}{{c}}", "x", recursive=False)
         func("{{b}}{{c}}", "x", recursive=True)
         obj = code5.get(0).params[1].value.get(0).params[0].value
-        self.assertRaises(ValueError, func, obj, "y", recursive=False)
+        with pytest.raises(ValueError):
+            func(obj, "y", recursive=False)
         func(obj, "y", recursive=True)
-        self.assertEqual(expected[4], code5)
+        assert expected[4] == code5
 
         code6 = parse("here is {{some text and a {{template}}}}")
         func = partial(meth, code6)
-        self.assertRaises(ValueError, func, "text and", "ab", recursive=False)
+        with pytest.raises(ValueError):
+            func("text and", "ab", recursive=False)
         func("text and", "ab", recursive=True)
-        self.assertRaises(ValueError, func, "is {{some", "cd", recursive=False)
+        with pytest.raises(ValueError):
+            func("is {{some", "cd", recursive=False)
         func("is {{some", "cd", recursive=True)
-        self.assertEqual(expected[5], code6)
+        assert expected[5] == code6
 
         code7 = parse("{{foo}}{{bar}}{{baz}}{{foo}}{{baz}}")
         func = partial(meth, code7)
         obj = wrap([code7.get(0), code7.get(2)])
-        self.assertRaises(ValueError, func, obj, "{{lol}}")
+        with pytest.raises(ValueError):
+            func(obj, "{{lol}}")
         func("{{foo}}{{baz}}", "{{lol}}")
-        self.assertEqual(expected[6], code7)
+        assert expected[6] == code7
 
         code8 = parse("== header ==")
         func = partial(meth, code8)
         sec1, sec2 = code8.get_sections(include_headings=False)
         func(sec1, "lead\n")
         func(sec2, "\nbody")
-        self.assertEqual(expected[7], code8)
+        assert expected[7] == code8
 
         code9 = parse("{{foo}}")
         meth(code9.get_sections()[0], code9.get_sections()[0], "{{bar}}")
         meth(code9.get_sections()[0], code9, "{{baz}}")
         meth(code9, code9, "{{qux}}")
         meth(code9, code9.get_sections()[0], "{{quz}}")
-        self.assertEqual(expected[8], code9)
+        assert expected[8] == code9
 
     def test_insert_before(self):
         """test Wikicode.insert_before()"""
@@ -281,13 +301,14 @@ class TestWikicode(TreeEqualityTestCase):
         """test Wikicode.append()"""
         code = parse("Have a {{template}}")
         code.append("{{{argument}}}")
-        self.assertEqual("Have a {{template}}{{{argument}}}", code)
-        self.assertIsInstance(code.get(2), Argument)
+        assert "Have a {{template}}{{{argument}}}" == code
+        assert isinstance(code.get(2), Argument)
         code.append(None)
-        self.assertEqual("Have a {{template}}{{{argument}}}", code)
+        assert "Have a {{template}}{{{argument}}}" == code
         code.append(Text(" foo"))
-        self.assertEqual("Have a {{template}}{{{argument}}} foo", code)
-        self.assertRaises(ValueError, code.append, slice(0, 1))
+        assert "Have a {{template}}{{{argument}}} foo" == code
+        with pytest.raises(ValueError):
+            code.append(slice(0, 1))
 
     def test_remove(self):
         """test Wikicode.remove()"""
@@ -312,109 +333,112 @@ class TestWikicode(TreeEqualityTestCase):
         code3 = parse("Hello world!")
         code4 = parse("World,_hello?")
         code5 = parse("")
-        self.assertTrue(code1.matches("Cleanup"))
-        self.assertTrue(code1.matches("cleanup"))
-        self.assertTrue(code1.matches("  cleanup\n"))
-        self.assertFalse(code1.matches("CLEANup"))
-        self.assertFalse(code1.matches("Blah"))
-        self.assertTrue(code2.matches("stub"))
-        self.assertTrue(code2.matches("Stub<!-- no, it's fine! -->"))
-        self.assertFalse(code2.matches("StuB"))
-        self.assertTrue(code1.matches(("cleanup", "stub")))
-        self.assertTrue(code2.matches(("cleanup", "stub")))
-        self.assertFalse(code2.matches(("StuB", "sTUb", "foobar")))
-        self.assertFalse(code2.matches(["StuB", "sTUb", "foobar"]))
-        self.assertTrue(code2.matches(("StuB", "sTUb", "foo", "bar", "Stub")))
-        self.assertTrue(code2.matches(["StuB", "sTUb", "foo", "bar", "Stub"]))
-        self.assertTrue(code3.matches("hello world!"))
-        self.assertTrue(code3.matches("hello_world!"))
-        self.assertFalse(code3.matches("hello__world!"))
-        self.assertTrue(code4.matches("World,_hello?"))
-        self.assertTrue(code4.matches("World, hello?"))
-        self.assertFalse(code4.matches("World,  hello?"))
-        self.assertTrue(code5.matches(""))
-        self.assertTrue(code5.matches("<!-- nothing -->"))
-        self.assertTrue(code5.matches(("a", "b", "")))
+        assert code1.matches("Cleanup") is True
+        assert code1.matches("cleanup") is True
+        assert code1.matches("  cleanup\n") is True
+        assert code1.matches("CLEANup") is False
+        assert code1.matches("Blah") is False
+        assert code2.matches("stub") is True
+        assert code2.matches("Stub<!-- no, it's fine! -->") is True
+        assert code2.matches("StuB") is False
+        assert code1.matches(("cleanup", "stub")) is True
+        assert code2.matches(("cleanup", "stub")) is True
+        assert code2.matches(("StuB", "sTUb", "foobar")) is False
+        assert code2.matches(["StuB", "sTUb", "foobar"]) is False
+        assert code2.matches(("StuB", "sTUb", "foo", "bar", "Stub")) is True
+        assert code2.matches(["StuB", "sTUb", "foo", "bar", "Stub"]) is True
+        assert code3.matches("hello world!") is True
+        assert code3.matches("hello_world!") is True
+        assert code3.matches("hello__world!") is False
+        assert code4.matches("World,_hello?") is True
+        assert code4.matches("World, hello?") is True
+        assert code4.matches("World,  hello?") is False
+        assert code5.matches("") is True
+        assert code5.matches("<!-- nothing -->") is True
+        assert code5.matches(("a", "b", "")) is True
 
     def test_filter_family(self):
         """test the Wikicode.i?filter() family of functions"""
         def genlist(gen):
-            self.assertIsInstance(gen, GeneratorType)
+            assert isinstance(gen, GeneratorType)
             return list(gen)
         ifilter = lambda code: (lambda *a, **k: genlist(code.ifilter(*a, **k)))
 
         code = parse("a{{b}}c[[d]]{{{e}}}{{f}}[[g]]")
         for func in (code.filter, ifilter(code)):
-            self.assertEqual(["a", "{{b}}", "b", "c", "[[d]]", "d", "{{{e}}}",
-                              "e", "{{f}}", "f", "[[g]]", "g"], func())
-            self.assertEqual(["{{{e}}}"], func(forcetype=Argument))
-            self.assertIs(code.get(4), func(forcetype=Argument)[0])
-            self.assertEqual(list("abcdefg"), func(forcetype=Text))
-            self.assertEqual([], func(forcetype=Heading))
-            self.assertRaises(TypeError, func, forcetype=True)
+            assert ["a", "{{b}}", "b", "c", "[[d]]", "d", "{{{e}}}",
+                    "e", "{{f}}", "f", "[[g]]", "g"] == func()
+            assert ["{{{e}}}"] == func(forcetype=Argument)
+            assert code.get(4) is func(forcetype=Argument)[0]
+            assert list("abcdefg") == func(forcetype=Text)
+            assert [] == func(forcetype=Heading)
+            with pytest.raises(TypeError):
+                func(forcetype=True)
 
         funcs = [
             lambda name, **kw: getattr(code, "filter_" + name)(**kw),
             lambda name, **kw: genlist(getattr(code, "ifilter_" + name)(**kw))
         ]
         for get_filter in funcs:
-            self.assertEqual(["{{{e}}}"], get_filter("arguments"))
-            self.assertIs(code.get(4), get_filter("arguments")[0])
-            self.assertEqual([], get_filter("comments"))
-            self.assertEqual([], get_filter("external_links"))
-            self.assertEqual([], get_filter("headings"))
-            self.assertEqual([], get_filter("html_entities"))
-            self.assertEqual([], get_filter("tags"))
-            self.assertEqual(["{{b}}", "{{f}}"], get_filter("templates"))
-            self.assertEqual(list("abcdefg"), get_filter("text"))
-            self.assertEqual(["[[d]]", "[[g]]"], get_filter("wikilinks"))
+            assert ["{{{e}}}"] == get_filter("arguments")
+            assert code.get(4) is get_filter("arguments")[0]
+            assert [] == get_filter("comments")
+            assert [] == get_filter("external_links")
+            assert [] == get_filter("headings")
+            assert [] == get_filter("html_entities")
+            assert [] == get_filter("tags")
+            assert ["{{b}}" == "{{f}}"], get_filter("templates")
+            assert list("abcdefg") == get_filter("text")
+            assert ["[[d]]" == "[[g]]"], get_filter("wikilinks")
 
         code2 = parse("{{a|{{b}}|{{c|d={{f}}{{h}}}}}}")
         for func in (code2.filter, ifilter(code2)):
-            self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}"],
-                             func(recursive=False, forcetype=Template))
-            self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}", "{{b}}",
-                              "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"],
-                             func(recursive=True, forcetype=Template))
+            assert ["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}"] \
+                   == func(recursive=False, forcetype=Template)
+            assert ["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}", "{{b}}",
+                    "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"] \
+                   == func(recursive=True, forcetype=Template)
 
         code3 = parse("{{foobar}}{{FOO}}{{baz}}{{bz}}{{barfoo}}")
         for func in (code3.filter, ifilter(code3)):
-            self.assertEqual(["{{foobar}}", "{{barfoo}}"],
-                             func(False, matches=lambda node: "foo" in node))
-            self.assertEqual(["{{foobar}}", "{{FOO}}", "{{barfoo}}"],
-                             func(False, matches=r"foo"))
-            self.assertEqual(["{{foobar}}", "{{FOO}}"],
-                             func(matches=r"^{{foo.*?}}"))
-            self.assertEqual(["{{foobar}}"],
-                             func(matches=r"^{{foo.*?}}", flags=re.UNICODE))
-            self.assertEqual(["{{baz}}", "{{bz}}"], func(matches=r"^{{b.*?z"))
-            self.assertEqual(["{{baz}}"], func(matches=r"^{{b.+?z}}"))
+            assert ["{{foobar}}", "{{barfoo}}"] \
+                == func(False, matches=lambda node: "foo" in node)
+            assert ["{{foobar}}", "{{FOO}}", "{{barfoo}}"] \
+                == func(False, matches=r"foo")
+            assert ["{{foobar}}", "{{FOO}}"] \
+                == func(matches=r"^{{foo.*?}}")
+            assert ["{{foobar}}"] \
+                == func(matches=r"^{{foo.*?}}", flags=re.UNICODE)
+            assert ["{{baz}}" == "{{bz}}"], func(matches=r"^{{b.*?z")
+            assert ["{{baz}}"] == func(matches=r"^{{b.+?z}}")
 
         exp_rec = ["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}", "{{b}}",
-                        "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"]
+                   "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"]
         exp_unrec = ["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}"]
-        self.assertEqual(exp_rec, code2.filter_templates())
-        self.assertEqual(exp_unrec, code2.filter_templates(recursive=False))
-        self.assertEqual(exp_rec, code2.filter_templates(recursive=True))
-        self.assertEqual(exp_rec, code2.filter_templates(True))
-        self.assertEqual(exp_unrec, code2.filter_templates(False))
-
-        self.assertEqual(["{{foobar}}"], code3.filter_templates(
-            matches=lambda node: node.name.matches("Foobar")))
-        self.assertEqual(["{{baz}}", "{{bz}}"],
-                         code3.filter_templates(matches=r"^{{b.*?z"))
-        self.assertEqual([], code3.filter_tags(matches=r"^{{b.*?z"))
-        self.assertEqual([], code3.filter_tags(matches=r"^{{b.*?z", flags=0))
-
-        self.assertRaises(TypeError, code.filter_templates, a=42)
-        self.assertRaises(TypeError, code.filter_templates, forcetype=Template)
-        self.assertRaises(TypeError, code.filter_templates, 1, 0, 0, Template)
+        assert exp_rec == code2.filter_templates()
+        assert exp_unrec == code2.filter_templates(recursive=False)
+        assert exp_rec == code2.filter_templates(recursive=True)
+        assert exp_rec == code2.filter_templates(True)
+        assert exp_unrec == code2.filter_templates(False)
+
+        assert ["{{foobar}}"] == code3.filter_templates(
+            matches=lambda node: node.name.matches("Foobar"))
+        assert ["{{baz}}", "{{bz}}"] \
+            == code3.filter_templates(matches=r"^{{b.*?z")
+        assert [] == code3.filter_tags(matches=r"^{{b.*?z")
+        assert [] == code3.filter_tags(matches=r"^{{b.*?z", flags=0)
+        with pytest.raises(TypeError):
+            code.filter_templates(a=42)
+        with pytest.raises(TypeError):
+            code.filter_templates(forcetype=Template)
+        with pytest.raises(TypeError):
+            code.filter_templates(1, 0, 0, Template)
 
         code4 = parse("{{foo}}<b>{{foo|{{bar}}}}</b>")
         actual1 = code4.filter_templates(recursive=code4.RECURSE_OTHERS)
         actual2 = code4.filter_templates(code4.RECURSE_OTHERS)
-        self.assertEqual(["{{foo}}", "{{foo|{{bar}}}}"], actual1)
-        self.assertEqual(["{{foo}}", "{{foo|{{bar}}}}"], actual2)
+        assert ["{{foo}}" == "{{foo|{{bar}}}}"], actual1
+        assert ["{{foo}}" == "{{foo|{{bar}}}}"], actual2
 
     def test_get_sections(self):
         """test Wikicode.get_sections()"""
@@ -435,78 +459,75 @@ class TestWikicode(TreeEqualityTestCase):
         p4_III = "== Section III ==\n" + p4_IIIA
         page4 = parse(p4_lead + p4_I + p4_II + p4_III)
 
-        self.assertEqual([""], page1.get_sections())
-        self.assertEqual(["", "==Heading=="], page2.get_sections())
-        self.assertEqual(["", "===Heading===\nFoo bar baz\n====Gnidaeh====\n",
-                          "====Gnidaeh====\n"], page3.get_sections())
-        self.assertEqual([p4_lead, p4_I, p4_IA, p4_IB, p4_IB1, p4_II,
-                          p4_III, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1],
-                         page4.get_sections())
-
-        self.assertEqual(["====Gnidaeh====\n"], page3.get_sections(levels=[4]))
-        self.assertEqual(["===Heading===\nFoo bar baz\n====Gnidaeh====\n"],
-                         page3.get_sections(levels=(2, 3)))
-        self.assertEqual(["===Heading===\nFoo bar baz\n"],
-                         page3.get_sections(levels=(2, 3), flat=True))
-        self.assertEqual([], page3.get_sections(levels=[0]))
-        self.assertEqual(["", "====Gnidaeh====\n"],
-                         page3.get_sections(levels=[4], include_lead=True))
-        self.assertEqual(["===Heading===\nFoo bar baz\n====Gnidaeh====\n",
-                          "====Gnidaeh====\n"],
-                         page3.get_sections(include_lead=False))
-        self.assertEqual(["===Heading===\nFoo bar baz\n", "====Gnidaeh====\n"],
-                         page3.get_sections(flat=True, include_lead=False))
-
-        self.assertEqual([p4_IB1, p4_IIIA2], page4.get_sections(levels=[4]))
-        self.assertEqual([p4_IA, p4_IB, p4_IIIA], page4.get_sections(levels=[3]))
-        self.assertEqual([p4_IA, "=== Section I.B ===\n",
-                          "=== Section III.A ===\nText.\n"],
-                         page4.get_sections(levels=[3], flat=True))
-        self.assertEqual(["", ""], page2.get_sections(include_headings=False))
-        self.assertEqual(["\nSection I.B.1 body.\n\n&bull;Some content.\n\n",
-                          "\nEven more text.\n" + p4_IIIA2ai1],
-                         page4.get_sections(levels=[4],
-                                            include_headings=False))
-
-        self.assertEqual([], page4.get_sections(matches=r"body"))
-        self.assertEqual([p4_I, p4_IA, p4_IB, p4_IB1],
-                         page4.get_sections(matches=r"Section\sI[.\s].*?"))
-        self.assertEqual([p4_IA, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1],
-                         page4.get_sections(matches=r".*?a.*?"))
-        self.assertEqual([p4_IIIA1a, p4_IIIA2ai1],
-                         page4.get_sections(matches=r".*?a.*?", flags=re.U))
-        self.assertEqual(["\nMore text.\n", "\nAn invalid section!"],
-                         page4.get_sections(matches=r".*?a.*?", flags=re.U,
-                                            include_headings=False))
+        assert [""] == page1.get_sections()
+        assert ["" == "==Heading=="], page2.get_sections()
+        assert ["", "===Heading===\nFoo bar baz\n====Gnidaeh====\n", "====Gnidaeh====\n"] \
+            == page3.get_sections()
+        assert [p4_lead, p4_I, p4_IA, p4_IB, p4_IB1, p4_II,
+                p4_III, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1] \
+            == page4.get_sections()
+
+        assert ["====Gnidaeh====\n"] == page3.get_sections(levels=[4])
+        assert ["===Heading===\nFoo bar baz\n====Gnidaeh====\n"] \
+            == page3.get_sections(levels=(2, 3))
+        assert ["===Heading===\nFoo bar baz\n"] \
+            == page3.get_sections(levels=(2, 3), flat=True)
+        assert [] == page3.get_sections(levels=[0])
+        assert ["", "====Gnidaeh====\n"] ==  page3.get_sections(levels=[4], include_lead=True)
+        assert ["===Heading===\nFoo bar baz\n====Gnidaeh====\n",
+                "====Gnidaeh====\n"] == page3.get_sections(include_lead=False)
+        assert ["===Heading===\nFoo bar baz\n", "====Gnidaeh====\n"] \
+            == page3.get_sections(flat=True, include_lead=False)
+
+        assert [p4_IB1 == p4_IIIA2], page4.get_sections(levels=[4])
+        assert [p4_IA == p4_IB, p4_IIIA], page4.get_sections(levels=[3])
+        assert [p4_IA, "=== Section I.B ===\n",
+                "=== Section III.A ===\nText.\n"] \
+            == page4.get_sections(levels=[3], flat=True)
+        assert ["" == ""], page2.get_sections(include_headings=False)
+        assert ["\nSection I.B.1 body.\n\n&bull;Some content.\n\n",
+                "\nEven more text.\n" + p4_IIIA2ai1] \
+            == page4.get_sections(levels=[4], include_headings=False)
+
+        assert [] == page4.get_sections(matches=r"body")
+        assert [p4_I, p4_IA, p4_IB, p4_IB1] \
+            == page4.get_sections(matches=r"Section\sI[.\s].*?")
+        assert [p4_IA, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1] \
+            == page4.get_sections(matches=r".*?a.*?")
+        assert [p4_IIIA1a, p4_IIIA2ai1] \
+            == page4.get_sections(matches=r".*?a.*?", flags=re.U)
+        assert ["\nMore text.\n", "\nAn invalid section!"] \
+            == page4.get_sections(matches=r".*?a.*?", flags=re.U,
+                                  include_headings=False)
 
         sections = page2.get_sections(include_headings=False)
         sections[0].append("Lead!\n")
         sections[1].append("\nFirst section!")
-        self.assertEqual("Lead!\n==Heading==\nFirst section!", page2)
+        assert "Lead!\n==Heading==\nFirst section!" == page2
 
         page5 = parse("X\n== Foo ==\nBar\n== Baz ==\nBuzz")
         section = page5.get_sections(matches="Foo")[0]
         section.replace("\nBar\n", "\nBarf ")
         section.append("{{Haha}}\n")
-        self.assertEqual("== Foo ==\nBarf {{Haha}}\n", section)
-        self.assertEqual("X\n== Foo ==\nBarf {{Haha}}\n== Baz ==\nBuzz", page5)
+        assert "== Foo ==\nBarf {{Haha}}\n" == section
+        assert "X\n== Foo ==\nBarf {{Haha}}\n== Baz ==\nBuzz" == page5
 
     def test_strip_code(self):
         """test Wikicode.strip_code()"""
         # Since individual nodes have test cases for their __strip__ methods,
         # we're only going to do an integration test:
         code = parse("Foo [[bar]]\n\n{{baz|hello}}\n\n[[a|b]] &Sigma;")
-        self.assertEqual("Foo bar\n\nb Σ",
-                         code.strip_code(normalize=True, collapse=True))
-        self.assertEqual("Foo bar\n\n\n\nb Σ",
-                         code.strip_code(normalize=True, collapse=False))
-        self.assertEqual("Foo bar\n\nb &Sigma;",
-                         code.strip_code(normalize=False, collapse=True))
-        self.assertEqual("Foo bar\n\n\n\nb &Sigma;",
-                         code.strip_code(normalize=False, collapse=False))
-        self.assertEqual("Foo bar\n\nhello\n\nb Σ",
-                         code.strip_code(normalize=True, collapse=True,
-                                         keep_template_params=True))
+        assert "Foo bar\n\nb Σ" \
+               == code.strip_code(normalize=True, collapse=True)
+        assert "Foo bar\n\n\n\nb Σ" \
+               == code.strip_code(normalize=True, collapse=False)
+        assert "Foo bar\n\nb &Sigma;" \
+               == code.strip_code(normalize=False, collapse=True)
+        assert "Foo bar\n\n\n\nb &Sigma;" \
+               == code.strip_code(normalize=False, collapse=False)
+        assert "Foo bar\n\nhello\n\nb Σ" \
+               == code.strip_code(normalize=True, collapse=True,
+                                  keep_template_params=True)
 
     def test_get_tree(self):
         """test Wikicode.get_tree()"""
@@ -516,7 +537,4 @@ class TestWikicode(TreeEqualityTestCase):
         code = parse("Lorem ipsum {{foo|bar|{{baz}}|spam=eggs}}")
         expected = "Lorem ipsum \n{{\n\t  foo\n\t| 1\n\t= bar\n\t| 2\n\t= " + \
                    "{{\n\t\t\tbaz\n\t  }}\n\t| spam\n\t= eggs\n}}"
-        self.assertEqual(expected.expandtabs(4), code.get_tree())
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert expected.expandtabs(4) == code.get_tree()
diff --git a/tests/test_wikilink.py b/tests/test_wikilink.py
index 1865b6e..71fea5e 100644
--- a/tests/test_wikilink.py
+++ b/tests/test_wikilink.py
@@ -19,7 +19,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import unittest
+import pytest
 
 from mwparserfromhell.nodes import Text, Wikilink
 
@@ -31,9 +31,9 @@ class TestWikilink(TreeEqualityTestCase):
     def test_unicode(self):
         """test Wikilink.__unicode__()"""
         node = Wikilink(wraptext("foobar"))
-        self.assertEqual("[[foobar]]", str(node))
+        assert "[[foobar]]" == str(node)
         node2 = Wikilink(wraptext("foo"), wraptext("bar"))
-        self.assertEqual("[[foo|bar]]", str(node2))
+        assert "[[foo|bar]]" == str(node2)
 
     def test_children(self):
         """test Wikilink.__children__()"""
@@ -41,18 +41,20 @@ class TestWikilink(TreeEqualityTestCase):
         node2 = Wikilink(wraptext("foo"), wrap([Text("bar"), Text("baz")]))
         gen1 = node1.__children__()
         gen2 = node2.__children__()
-        self.assertEqual(node1.title, next(gen1))
-        self.assertEqual(node2.title, next(gen2))
-        self.assertEqual(node2.text, next(gen2))
-        self.assertRaises(StopIteration, next, gen1)
-        self.assertRaises(StopIteration, next, gen2)
+        assert node1.title == next(gen1)
+        assert node2.title == next(gen2)
+        assert node2.text == next(gen2)
+        with pytest.raises(StopIteration):
+            next(gen1)
+        with pytest.raises(StopIteration):
+            next(gen2)
 
     def test_strip(self):
         """test Wikilink.__strip__()"""
         node = Wikilink(wraptext("foobar"))
         node2 = Wikilink(wraptext("foo"), wraptext("bar"))
-        self.assertEqual("foobar", node.__strip__())
-        self.assertEqual("bar", node2.__strip__())
+        assert "foobar" == node.__strip__()
+        assert "bar" == node2.__strip__()
 
     def test_showtree(self):
         """test Wikilink.__showtree__()"""
@@ -67,15 +69,15 @@ class TestWikilink(TreeEqualityTestCase):
         valid = [
             "[[", (getter, node1.title), "]]", "[[", (getter, node2.title),
             "    | ", marker, (getter, node2.text), "]]"]
-        self.assertEqual(valid, output)
+        assert valid == output
 
     def test_title(self):
         """test getter/setter for the title attribute"""
         title = wraptext("foobar")
         node1 = Wikilink(title)
         node2 = Wikilink(title, wraptext("baz"))
-        self.assertIs(title, node1.title)
-        self.assertIs(title, node2.title)
+        assert title is node1.title
+        assert title is node2.title
         node1.title = "héhehé"
         node2.title = "héhehé"
         self.assertWikicodeEqual(wraptext("héhehé"), node1.title)
@@ -86,12 +88,9 @@ class TestWikilink(TreeEqualityTestCase):
         text = wraptext("baz")
         node1 = Wikilink(wraptext("foobar"))
         node2 = Wikilink(wraptext("foobar"), text)
-        self.assertIs(None, node1.text)
-        self.assertIs(text, node2.text)
+        assert None is node1.text
+        assert text is node2.text
         node1.text = "buzz"
         node2.text = None
         self.assertWikicodeEqual(wraptext("buzz"), node1.text)
-        self.assertIs(None, node2.text)
-
-if __name__ == "__main__":
-    unittest.main(verbosity=2)
+        assert None is node2.text