ben
/
mwparserfromhell
espelho de https://github.com/earwig/mwparserfromhell
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Improve test coverage; fix some node-related bugs. 

* Parameters with non-integer keys can no longer be created with
  showkey=False, nor have the value of this attribute be set to False
  later.
* Calling Template.remove() with a Parameter object that is not part of
  the template now raises ValueError instead of doing nothing.
* Added tests for HTMLEntity._unichr() being called with out-of-range
  codepoints.
* Added tests for Tag.__children__() and Tag.__showtree__() involving
  attributes that have no values.
tags/v0.4
Ben Kurtovic há 12 anos
ascendente
08cafc0576
cometimento
8bc7ea669d
11 ficheiros alterados com 140 adições e 114 eliminações
Visualização em 2 colunas
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  1. +4
    -0
      .coveragerc
  2. +5
    -0
      CHANGELOG
  3. +7
    -0
      docs/changelog.rst
  4. +12
    -1
      mwparserfromhell/nodes/extras/parameter.py
  5. +11
    -11
      mwparserfromhell/nodes/html_entity.py
  6. +5
    -6
      mwparserfromhell/nodes/template.py
  7. +3
    -2
      tests/test_builder.py
  8. +5
    -0
      tests/test_html_entity.py
  9. +3
    -2
      tests/test_parameter.py
  10. +11
    -7
      tests/test_tag.py
  11. +74
    -85
      tests/test_template.py

+ 4
- 0
.coveragerc Ver ficheiro

@@ -2,3 +2,7 @@
exclude_lines =
pragma: no cover
raise NotImplementedError()
partial_branches =
pragma: no branch
if py3k:
if not py3k:

+ 5
- 0
CHANGELOG Ver ficheiro

@@ -10,10 +10,15 @@ v0.4 (unreleased):
option, RECURSE_OTHERS, which recurses over all children except instances of
'forcetype' (for example, `code.filter_templates(code.RECURSE_OTHERS)`
returns all un-nested templates).
- Calling Template.remove() with a Parameter object that is not part of the
template now raises ValueError instead of doing nothing.
- Parameters with non-integer keys can no longer be created with
'showkey=False', nor have the value of this attribute be set to False later.
- If something goes wrong while parsing, ParserError will now be raised.
Previously, the parser would produce an unclear BadRoute exception or allow
an incorrect node tree to be build.
- Fixed a parser bug involving nested tags.
- Test coverage has been improved, and some minor related bugs have been fixed.
- Updated and fixed some documentation.

v0.3.3 (released April 22, 2014):


+ 7
- 0
docs/changelog.rst Ver ficheiro

@@ -18,10 +18,17 @@ Unreleased
which recurses over all children except instances of *forcetype* (for
example, ``code.filter_templates(code.RECURSE_OTHERS)`` returns all un-nested
templates).
- Calling :py:meth:`.Template.remove` with a :py:class:`.Parameter` object that
is not part of the template now raises :py:exc:`ValueError` instead of doing
nothing.
- :py:class:`.Parameter`\ s with non-integer keys can no longer be created with
*showkey=False*, nor have the value of this attribute be set to *False*
later.
- If something goes wrong while parsing, :py:exc:`.ParserError` will now be
raised. Previously, the parser would produce an unclear :py:exc:`.BadRoute`
exception or allow an incorrect node tree to be build.
- Fixed a parser bug involving nested tags.
- Test coverage has been improved, and some minor related bugs have been fixed.
- Updated and fixed some documentation.

v0.3.3


+ 12
- 1
mwparserfromhell/nodes/extras/parameter.py Ver ficheiro

@@ -21,6 +21,7 @@
# SOFTWARE.

from __future__ import unicode_literals
import re

from ...compat import str
from ...string_mixin import StringMixIn
@@ -39,6 +40,8 @@ class Parameter(StringMixIn):

def __init__(self, name, value, showkey=True):
super(Parameter, self).__init__()
if not showkey and not self.can_hide_key(name):
raise ValueError("key {0!r} cannot be hidden".format(name))
self._name = name
self._value = value
self._showkey = showkey
@@ -48,6 +51,11 @@ class Parameter(StringMixIn):
return str(self.name) + "=" + str(self.value)
return str(self.value)

@staticmethod
def can_hide_key(key):
"""Return whether or not the given key can be hidden."""
return re.match(r"[1-9][0-9]*$", str(key).strip())

@property
def name(self):
"""The name of the parameter as a :py:class:`~.Wikicode` object."""
@@ -73,4 +81,7 @@ class Parameter(StringMixIn):

@showkey.setter
def showkey(self, newval):
self._showkey = bool(newval)
newval = bool(newval)
if not newval and not self.can_hide_key(self.name):
raise ValueError("parameter key cannot be hidden")
self._showkey = newval

+ 11
- 11
mwparserfromhell/nodes/html_entity.py Ver ficheiro

@@ -77,17 +77,17 @@ class HTMLEntity(Node):
# Test whether we're on the wide or narrow Python build. Check
# the length of a non-BMP code point
# (U+1F64A, SPEAK-NO-EVIL MONKEY):
if len("\U0001F64A") == 2:
# Ensure this is within the range we can encode:
if value > 0x10FFFF:
raise ValueError("unichr() arg not in range(0x110000)")
code = value - 0x10000
if value < 0: # Invalid code point
raise
lead = 0xD800 + (code >> 10)
trail = 0xDC00 + (code % (1 << 10))
return unichr(lead) + unichr(trail)
raise
if len("\U0001F64A") == 1: # pragma: no cover
raise
# Ensure this is within the range we can encode:
if value > 0x10FFFF:
raise ValueError("unichr() arg not in range(0x110000)")
code = value - 0x10000
if value < 0: # Invalid code point
raise
lead = 0xD800 + (code >> 10)
trail = 0xDC00 + (code % (1 << 10))
return unichr(lead) + unichr(trail)

@property
def value(self):


+ 5
- 6
mwparserfromhell/nodes/template.py Ver ficheiro

@@ -155,6 +155,7 @@ class Template(Node):
else:
self.params.pop(i)
return
raise ValueError(needle)

@property
def name(self):
@@ -254,21 +255,19 @@ class Template(Node):
return existing

if showkey is None:
try:
if Parameter.can_hide_key(name):
int_name = int(str(name))
except ValueError:
showkey = True
else:
int_keys = set()
for param in self.params:
if not param.showkey:
if re.match(r"[1-9][0-9]*$", param.name.strip()):
int_keys.add(int(str(param.name)))
int_keys.add(int(str(param.name)))
expected = min(set(range(1, len(int_keys) + 2)) - int_keys)
if expected == int_name:
showkey = False
else:
showkey = True
else:
showkey = True
if not showkey:
self._surface_escape(value, "=")



+ 3
- 2
tests/test_builder.py Ver ficheiro

@@ -27,6 +27,7 @@ try:
except ImportError:
import unittest

from mwparserfromhell.compat import py3k
from mwparserfromhell.nodes import (Argument, Comment, ExternalLink, Heading,
HTMLEntity, Tag, Template, Text, Wikilink)
from mwparserfromhell.nodes.extras import Attribute, Parameter
@@ -422,9 +423,9 @@ class TestBuilder(TreeEqualityTestCase):

def test_parser_error(self):
"""test whether ParserError gets thrown for bad input"""
func = self.assertRaisesRegex if py3k else self.assertRaisesRegexp
msg = r"_handle_token\(\) got unexpected TemplateClose"
self.assertRaisesRegexp(
ParserError, msg, self.builder.build, [tokens.TemplateClose()])
func(ParserError, msg, self.builder.build, [tokens.TemplateClose()])

if __name__ == "__main__":
unittest.main(verbosity=2)

+ 5
- 0
tests/test_html_entity.py Ver ficheiro

@@ -108,6 +108,7 @@ class TestHTMLEntity(TreeEqualityTestCase):
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")

def test_named(self):
"""test getter/setter for the named attribute"""
@@ -163,10 +164,14 @@ class TestHTMLEntity(TreeEqualityTestCase):
node2 = HTMLEntity("107")
node3 = HTMLEntity("e9")
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)

+ 3
- 2
tests/test_parameter.py Ver ficheiro

@@ -71,9 +71,10 @@ class TestParameter(TreeEqualityTestCase):
self.assertFalse(node1.showkey)
self.assertTrue(node2.showkey)
node1.showkey = True
node2.showkey = ""
self.assertTrue(node1.showkey)
self.assertFalse(node2.showkey)
node1.showkey = ""
self.assertFalse(node1.showkey)
self.assertRaises(ValueError, setattr, node2, "showkey", False)

if __name__ == "__main__":
unittest.main(verbosity=2)

+ 11
- 7
tests/test_tag.py Ver ficheiro

@@ -33,6 +33,7 @@ from mwparserfromhell.nodes.extras import Attribute
from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

agen = lambda name, value: Attribute(wraptext(name), wraptext(value))
agennv = lambda name: Attribute(wraptext(name))
agennq = lambda name, value: Attribute(wraptext(name), wraptext(value), False)
agenp = lambda name, v, a, b, c: Attribute(wraptext(name), v, True, a, b, c)
agenpnv = lambda name, a, b, c: Attribute(wraptext(name), None, True, a, b, c)
@@ -74,10 +75,10 @@ class TestTag(TreeEqualityTestCase):
node1 = Tag(wraptext("ref"), wraptext("foobar"))
# '''bold text'''
node2 = Tag(wraptext("b"), wraptext("bold text"), wiki_markup="'''")
# <img id="foo" class="bar" />
# <img id="foo" class="bar" selected />
node3 = Tag(wraptext("img"),
attrs=[Attribute(wraptext("id"), wraptext("foo")),
Attribute(wraptext("class"), wraptext("bar"))],
attrs=[agen("id", "foo"), agen("class", "bar"),
agennv("selected")],
self_closing=True, padding=" ")

gen1 = node1.__children__()
@@ -89,6 +90,7 @@ class TestTag(TreeEqualityTestCase):
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))
@@ -113,7 +115,8 @@ class TestTag(TreeEqualityTestCase):
getter, marker = object(), object()
get = lambda code: output.append((getter, code))
mark = lambda: output.append(marker)
node1 = Tag(wraptext("ref"), wraptext("text"), [agen("name", "foo")])
node1 = Tag(wraptext("ref"), wraptext("text"),
[agen("name", "foo"), agennv("selected")])
node2 = Tag(wraptext("br"), self_closing=True, padding=" ")
node3 = Tag(wraptext("br"), self_closing=True, invalid=True,
implicit=True, padding=" ")
@@ -122,9 +125,10 @@ class TestTag(TreeEqualityTestCase):
node3.__showtree__(output.append, get, mark)
valid = [
"<", (getter, node1.tag), (getter, node1.attributes[0].name),
" = ", marker, (getter, node1.attributes[0].value), ">",
(getter, node1.contents), "</", (getter, node1.closing_tag), ">",
"<", (getter, node2.tag), "/>", "</", (getter, node3.tag), ">"]
" = ", marker, (getter, node1.attributes[0].value),
(getter, node1.attributes[1].name), ">", (getter, node1.contents),
"</", (getter, node1.closing_tag), ">", "<", (getter, node2.tag),
"/>", "</", (getter, node3.tag), ">"]
self.assertEqual(valid, output)

def test_tag(self):


+ 74
- 85
tests/test_template.py Ver ficheiro

@@ -130,6 +130,8 @@ class TestTemplate(TreeEqualityTestCase):
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))

def test_get(self):
"""test Template.get()"""
@@ -176,52 +178,41 @@ class TestTemplate(TreeEqualityTestCase):
pgens("b ", " c\n"), pgens("\nd ", " e"), pgens("\nf ", "g ")])
node16 = Template(wraptext("a"), [
pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
node17 = Template(wraptext("a"), [
pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
node18 = Template(wraptext("a\n"), [
pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),
pgens("h ", " i\n")])
node19 = Template(wraptext("a"), [
pgens("b ", " c\n"), pgens("\nd ", " e"), pgens("\nf ", "g ")])
node20 = Template(wraptext("a"), [
pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
node21 = Template(wraptext("a"), [pgenh("1", "b")])
node22 = Template(wraptext("a"), [pgenh("1", "b")])
node23 = Template(wraptext("a"), [pgenh("1", "b")])
node24 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
node17 = Template(wraptext("a"), [pgenh("1", "b")])
node18 = Template(wraptext("a"), [pgenh("1", "b")])
node19 = Template(wraptext("a"), [pgenh("1", "b")])
node20 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
pgenh("3", "d"), pgenh("4", "e")])
node25 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
node21 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
pgens("4", "d"), pgens("5", "e")])
node26 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
node22 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),
pgens("4", "d"), pgens("5", "e")])
node23 = Template(wraptext("a"), [pgenh("1", "b")])
node24 = Template(wraptext("a"), [pgenh("1", "b")])
node25 = Template(wraptext("a"), [pgens("b", "c")])
node26 = Template(wraptext("a"), [pgenh("1", "b")])
node27 = Template(wraptext("a"), [pgenh("1", "b")])
node28 = Template(wraptext("a"), [pgenh("1", "b")])
node29 = Template(wraptext("a"), [pgens("b", "c")])
node30 = Template(wraptext("a"), [pgenh("1", "b")])
node31 = Template(wraptext("a"), [pgenh("1", "b")])
node32 = Template(wraptext("a"), [pgens("1", "b")])
node33 = Template(wraptext("a"), [
node28 = Template(wraptext("a"), [pgens("1", "b")])
node29 = Template(wraptext("a"), [
pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])
node34 = Template(wraptext("a\n"), [
node30 = Template(wraptext("a\n"), [
pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),
pgens("h ", " i\n")])
node35 = Template(wraptext("a"), [
node31 = Template(wraptext("a"), [
pgens("b ", " c\n"), pgens("\nd ", " e"), pgens("\nf ", "g ")])
node36 = Template(wraptext("a"), [
node32 = Template(wraptext("a"), [
pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])
node37 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
pgens("b", "f"), pgens("b", "h"),
pgens("i", "j")])
node37 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
pgens("b", "f"), pgens("b", "h"),
pgens("i", "j")])
node38 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
pgens("1", "c"), pgens("2", "d")])
node39 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),
pgenh("1", "c"), pgenh("2", "d")])
node40 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),
pgens("f", "g")])
node41 = Template(wraptext("a"), [pgenh("1", "")])
node37 = Template(wraptext("a"), [pgenh("1", "")])
node38 = Template(wraptext("abc"))

node1.add("e", "f", showkey=True)
node2.add(2, "g", showkey=False)
@@ -241,31 +232,29 @@ class TestTemplate(TreeEqualityTestCase):
node14.add("j", "k", showkey=True)
node15.add("h", "i", showkey=True)
node16.add("h", "i", showkey=True, preserve_spacing=False)
node17.add("h", "i", showkey=False)
node18.add("j", "k", showkey=False)
node19.add("h", "i", showkey=False)
node20.add("h", "i", showkey=False, preserve_spacing=False)
node21.add("2", "c")
node22.add("3", "c")
node23.add("c", "d")
node24.add("5", "f")
node25.add("3", "f")
node26.add("6", "f")
node27.add("c", "foo=bar")
node28.add("2", "foo=bar")
node29.add("b", "d")
node30.add("1", "foo=bar")
node31.add("1", "foo=bar", showkey=True)
node32.add("1", "foo=bar", showkey=False)
node33.add("d", "foo")
node34.add("f", "foo")
node35.add("f", "foo")
node36.add("d", "foo", preserve_spacing=False)
node37.add("b", "k")
node38.add("1", "e")
node39.add("1", "e")
node40.add("d", "h", before="b")
node41.add(1, "b")
node17.add("2", "c")
node18.add("3", "c")
node19.add("c", "d")
node20.add("5", "f")
node21.add("3", "f")
node22.add("6", "f")
node23.add("c", "foo=bar")
node24.add("2", "foo=bar")
node25.add("b", "d")
node26.add("1", "foo=bar")
node27.add("1", "foo=bar", showkey=True)
node28.add("1", "foo=bar", showkey=False)
node29.add("d", "foo")
node30.add("f", "foo")
node31.add("f", "foo")
node32.add("d", "foo", preserve_spacing=False)
node33.add("b", "k")
node34.add("1", "e")
node35.add("1", "e")
node36.add("d", "h", before="b")
node37.add(1, "b")
node38.add("1", "foo")
self.assertRaises(ValueError, node38.add, "z", "bar", showkey=False)

self.assertEqual("{{a|b=c|d|e=f}}", node1)
self.assertEqual("{{a|b=c|d|g}}", node2)
@@ -285,34 +274,31 @@ class TestTemplate(TreeEqualityTestCase):
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 |h =i}}", node15)
self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|h=i}}", node16)
self.assertEqual("{{a|\nb = c|\nd = e|\nf = g| i}}", node17)
self.assertEqual("{{a\n|b =c\n|d = e|f =g\n|h = i\n|k\n}}", node18)
self.assertEqual("{{a|b = c\n|\nd = e|\nf =g |i}}", node19)
self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|i}}", node20)
self.assertEqual("{{a|b|c}}", node21)
self.assertEqual("{{a|b|3=c}}", node22)
self.assertEqual("{{a|b|c=d}}", node23)
self.assertEqual("{{a|b|c|d|e|f}}", node24)
self.assertEqual("{{a|b|c|4=d|5=e|f}}", node25)
self.assertEqual("{{a|b|c|4=d|5=e|6=f}}", node26)
self.assertEqual("{{a|b|c=foo=bar}}", node27)
self.assertEqual("{{a|b|foo&#61;bar}}", node28)
self.assertIsInstance(node28.params[1].value.get(1), HTMLEntity)
self.assertEqual("{{a|b=d}}", node29)
self.assertEqual("{{a|foo&#61;bar}}", node30)
self.assertIsInstance(node30.params[0].value.get(1), HTMLEntity)
self.assertEqual("{{a|1=foo=bar}}", node31)
self.assertEqual("{{a|foo&#61;bar}}", node32)
self.assertIsInstance(node32.params[0].value.get(1), HTMLEntity)
self.assertEqual("{{a|\nb = c|\nd = foo|\nf = g}}", node33)
self.assertEqual("{{a\n|b =c\n|d = e|f =foo\n|h = i\n}}", node34)
self.assertEqual("{{a|b = c\n|\nd = e|\nf =foo }}", node35)
self.assertEqual("{{a|\nb = c |\nd =foo|\nf = g }}", node36)
self.assertEqual("{{a|b=k|d=e|i=j}}", node37)
self.assertEqual("{{a|1=e|x=y|2=d}}", node38)
self.assertEqual("{{a|x=y|e|d}}", node39)
self.assertEqual("{{a|b=c|d=h|f=g}}", node40)
self.assertEqual("{{a|b}}", node41)
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)

def test_remove(self):
"""test Template.remove()"""
@@ -373,6 +359,8 @@ class TestTemplate(TreeEqualityTestCase):
node26 = Template(wraptext("foo"), [
pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),
pgens("a", "b")])
node27 = Template(wraptext("foo"), [pgenh("1", "bar")])
node28 = Template(wraptext("foo"), [pgenh("1", "bar")])

node2.remove("1")
node2.remove("abc")
@@ -430,6 +418,7 @@ class TestTemplate(TreeEqualityTestCase):
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))

if __name__ == "__main__":
unittest.main(verbosity=2)

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