ben
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mwparserfromhell
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A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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mwparserfromhell/tests/test_wikicode.py

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  1. # -*- coding: utf-8  -*-

  2. #

  3. # Copyright (C) 2012-2014 Ben Kurtovic <ben.kurtovic@gmail.com>

  4. #

  5. # Permission is hereby granted, free of charge, to any person obtaining a copy

  6. # of this software and associated documentation files (the "Software"), to deal

  7. # in the Software without restriction, including without limitation the rights

  8. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  9. # copies of the Software, and to permit persons to whom the Software is

  10. # furnished to do so, subject to the following conditions:

  11. #

  12. # The above copyright notice and this permission notice shall be included in

  13. # all copies or substantial portions of the Software.

  14. #

  15. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  16. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  17. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  18. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  19. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  20. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  21. # SOFTWARE.

  22. 

  23. from __future__ import unicode_literals

  24. from functools import partial

  25. import re

  26. from types import GeneratorType

  27. 

  28. try:

  29.     import unittest2 as unittest

  30. except ImportError:

  31.     import unittest

  32. 

  33. from mwparserfromhell.compat import py3k, str

  34. from mwparserfromhell.nodes import (Argument, Comment, Heading, HTMLEntity,

  35.                                     Node, Tag, Template, Text, Wikilink)

  36. from mwparserfromhell.smart_list import SmartList

  37. from mwparserfromhell.wikicode import Wikicode

  38. from mwparserfromhell import parse

  39. 

  40. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  41. 

  42. class TestWikicode(TreeEqualityTestCase):

  43.     """Tests for the Wikicode class, which manages a list of nodes."""

  44. 

  45.     def test_unicode(self):

  46.         """test Wikicode.__unicode__()"""

  47.         code1 = parse("foobar")

  48.         code2 = parse("Have a {{template}} and a [[page|link]]")

  49.         self.assertEqual("foobar", str(code1))

  50.         self.assertEqual("Have a {{template}} and a [[page|link]]", str(code2))

  51. 

  52.     def test_nodes(self):

  53.         """test getter/setter for the nodes attribute"""

  54.         code = parse("Have a {{template}}")

  55.         self.assertEqual(["Have a ", "{{template}}"], code.nodes)

  56.         L1 = SmartList([Text("foobar"), Template(wraptext("abc"))])

  57.         L2 = [Text("barfoo"), Template(wraptext("cba"))]

  58.         L3 = "abc{{def}}"

  59.         code.nodes = L1

  60.         self.assertIs(L1, code.nodes)

  61.         code.nodes = L2

  62.         self.assertIs(L2, code.nodes)

  63.         code.nodes = L3

  64.         self.assertEqual(["abc", "{{def}}"], code.nodes)

  65.         self.assertRaises(ValueError, setattr, code, "nodes", object)

  66. 

  67.     def test_get(self):

  68.         """test Wikicode.get()"""

  69.         code = parse("Have a {{template}} and a [[page|link]]")

  70.         self.assertIs(code.nodes[0], code.get(0))

  71.         self.assertIs(code.nodes[2], code.get(2))

  72.         self.assertRaises(IndexError, code.get, 4)

  73. 

  74.     def test_set(self):

  75.         """test Wikicode.set()"""

  76.         code = parse("Have a {{template}} and a [[page|link]]")

  77.         code.set(1, "{{{argument}}}")

  78.         self.assertEqual("Have a {{{argument}}} and a [[page|link]]", code)

  79.         self.assertIsInstance(code.get(1), Argument)

  80.         code.set(2, None)

  81.         self.assertEqual("Have a {{{argument}}}[[page|link]]", code)

  82.         code.set(-3, "This is an ")

  83.         self.assertEqual("This is an {{{argument}}}[[page|link]]", code)

  84.         self.assertRaises(ValueError, code.set, 1, "foo {{bar}}")

  85.         self.assertRaises(IndexError, code.set, 3, "{{baz}}")

  86.         self.assertRaises(IndexError, code.set, -4, "{{baz}}")

  87. 

  88.     def test_index(self):

  89.         """test Wikicode.index()"""

  90.         code = parse("Have a {{template}} and a [[page|link]]")

  91.         self.assertEqual(0, code.index("Have a "))

  92.         self.assertEqual(3, code.index("[[page|link]]"))

  93.         self.assertEqual(1, code.index(code.get(1)))

  94.         self.assertRaises(ValueError, code.index, "foo")

  95. 

  96.         code = parse("{{foo}}{{bar|{{baz}}}}")

  97.         self.assertEqual(1, code.index("{{bar|{{baz}}}}"))

  98.         self.assertEqual(1, code.index("{{baz}}", recursive=True))

  99.         self.assertEqual(1, code.index(code.get(1).get(1).value,

  100.                                        recursive=True))

  101.         self.assertRaises(ValueError, code.index, "{{baz}}", recursive=False)

  102.         self.assertRaises(ValueError, code.index,

  103.                           code.get(1).get(1).value, recursive=False)

  104. 

  105.     def test_insert(self):

  106.         """test Wikicode.insert()"""

  107.         code = parse("Have a {{template}} and a [[page|link]]")

  108.         code.insert(1, "{{{argument}}}")

  109.         self.assertEqual(

  110.             "Have a {{{argument}}}{{template}} and a [[page|link]]", code)

  111.         self.assertIsInstance(code.get(1), Argument)

  112.         code.insert(2, None)

  113.         self.assertEqual(

  114.             "Have a {{{argument}}}{{template}} and a [[page|link]]", code)

  115.         code.insert(-3, Text("foo"))

  116.         self.assertEqual(

  117.             "Have a {{{argument}}}foo{{template}} and a [[page|link]]", code)

  118. 

  119.         code2 = parse("{{foo}}{{bar}}{{baz}}")

  120.         code2.insert(1, "abc{{def}}ghi[[jk]]")

  121.         self.assertEqual("{{foo}}abc{{def}}ghi[[jk]]{{bar}}{{baz}}", code2)

  122.         self.assertEqual(["{{foo}}", "abc", "{{def}}", "ghi", "[[jk]]",

  123.                           "{{bar}}", "{{baz}}"], code2.nodes)

  124. 

  125.         code3 = parse("{{foo}}bar")

  126.         code3.insert(1000, "[[baz]]")

  127.         code3.insert(-1000, "derp")

  128.         self.assertEqual("derp{{foo}}bar[[baz]]", code3)

  129. 

  130.     def _test_search(self, meth, expected):

  131.         """Base test for insert_before(), insert_after(), and replace()."""

  132.         code = parse("{{a}}{{b}}{{c}}{{d}}{{e}}")

  133.         func = partial(meth, code)

  134.         func("{{b}}", "x", recursive=True)

  135.         func("{{d}}", "[[y]]", recursive=False)

  136.         func(code.get(2), "z")

  137.         self.assertEqual(expected[0], code)

  138.         self.assertRaises(ValueError, func, "{{r}}", "n", recursive=True)

  139.         self.assertRaises(ValueError, func, "{{r}}", "n", recursive=False)

  140.         fake = parse("{{a}}").get(0)

  141.         self.assertRaises(ValueError, func, fake, "n", recursive=True)

  142.         self.assertRaises(ValueError, func, fake, "n", recursive=False)

  143. 

  144.         code2 = parse("{{a}}{{a}}{{a}}{{b}}{{b}}{{b}}")

  145.         func = partial(meth, code2)

  146.         func(code2.get(1), "c", recursive=False)

  147.         func("{{a}}", "d", recursive=False)

  148.         func(code2.get(-1), "e", recursive=True)

  149.         func("{{b}}", "f", recursive=True)

  150.         self.assertEqual(expected[1], code2)

  151. 

  152.         code3 = parse("{{a|{{b}}|{{c|d={{f}}}}}}")

  153.         func = partial(meth, code3)

  154.         obj = code3.get(0).params[0].value.get(0)

  155.         self.assertRaises(ValueError, func, obj, "x", recursive=False)

  156.         func(obj, "x", recursive=True)

  157.         self.assertRaises(ValueError, func, "{{f}}", "y", recursive=False)

  158.         func("{{f}}", "y", recursive=True)

  159.         self.assertEqual(expected[2], code3)

  160. 

  161.         code4 = parse("{{a}}{{b}}{{c}}{{d}}{{e}}{{f}}{{g}}{{h}}{{i}}{{j}}")

  162.         func = partial(meth, code4)

  163.         fake = parse("{{b}}{{c}}")

  164.         self.assertRaises(ValueError, func, fake, "q", recursive=False)

  165.         self.assertRaises(ValueError, func, fake, "q", recursive=True)

  166.         func("{{b}}{{c}}", "w", recursive=False)

  167.         func("{{d}}{{e}}", "x", recursive=True)

  168.         func(wrap(code4.nodes[-2:]), "y", recursive=False)

  169.         func(wrap(code4.nodes[-2:]), "z", recursive=True)

  170.         self.assertEqual(expected[3], code4)

  171.         self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=False)

  172.         self.assertRaises(ValueError, func, "{{c}}{{d}}", "q", recursive=True)

  173. 

  174.         code5 = parse("{{a|{{b}}{{c}}|{{f|{{g}}={{h}}{{i}}}}}}")

  175.         func = partial(meth, code5)

  176.         self.assertRaises(ValueError, func, "{{b}}{{c}}", "x", recursive=False)

  177.         func("{{b}}{{c}}", "x", recursive=True)

  178.         obj = code5.get(0).params[1].value.get(0).params[0].value

  179.         self.assertRaises(ValueError, func, obj, "y", recursive=False)

  180.         func(obj, "y", recursive=True)

  181.         self.assertEqual(expected[4], code5)

  182. 

  183.         code6 = parse("here is {{some text and a {{template}}}}")

  184.         func = partial(meth, code6)

  185.         self.assertRaises(ValueError, func, "text and", "ab", recursive=False)

  186.         func("text and", "ab", recursive=True)

  187.         self.assertRaises(ValueError, func, "is {{some", "cd", recursive=False)

  188.         func("is {{some", "cd", recursive=True)

  189.         self.assertEqual(expected[5], code6)

  190. 

  191.     def test_insert_before(self):

  192.         """test Wikicode.insert_before()"""

  193.         meth = lambda code, *args, **kw: code.insert_before(*args, **kw)

  194.         expected = [

  195.             "{{a}}xz{{b}}{{c}}[[y]]{{d}}{{e}}",

  196.             "d{{a}}cd{{a}}d{{a}}f{{b}}f{{b}}ef{{b}}",

  197.             "{{a|x{{b}}|{{c|d=y{{f}}}}}}",

  198.             "{{a}}w{{b}}{{c}}x{{d}}{{e}}{{f}}{{g}}{{h}}yz{{i}}{{j}}",

  199.             "{{a|x{{b}}{{c}}|{{f|{{g}}=y{{h}}{{i}}}}}}",

  200.             "here cdis {{some abtext and a {{template}}}}"]

  201.         self._test_search(meth, expected)

  202. 

  203.     def test_insert_after(self):

  204.         """test Wikicode.insert_after()"""

  205.         meth = lambda code, *args, **kw: code.insert_after(*args, **kw)

  206.         expected = [

  207.             "{{a}}{{b}}xz{{c}}{{d}}[[y]]{{e}}",

  208.             "{{a}}d{{a}}dc{{a}}d{{b}}f{{b}}f{{b}}fe",

  209.             "{{a|{{b}}x|{{c|d={{f}}y}}}}",

  210.             "{{a}}{{b}}{{c}}w{{d}}{{e}}x{{f}}{{g}}{{h}}{{i}}{{j}}yz",

  211.             "{{a|{{b}}{{c}}x|{{f|{{g}}={{h}}{{i}}y}}}}",

  212.             "here is {{somecd text andab a {{template}}}}"]

  213.         self._test_search(meth, expected)

  214. 

  215.     def test_replace(self):

  216.         """test Wikicode.replace()"""

  217.         meth = lambda code, *args, **kw: code.replace(*args, **kw)

  218.         expected = [

  219.             "{{a}}xz[[y]]{{e}}", "dcdffe", "{{a|x|{{c|d=y}}}}",

  220.             "{{a}}wx{{f}}{{g}}z", "{{a|x|{{f|{{g}}=y}}}}",

  221.             "here cd ab a {{template}}}}"]

  222.         self._test_search(meth, expected)

  223. 

  224.     def test_append(self):

  225.         """test Wikicode.append()"""

  226.         code = parse("Have a {{template}}")

  227.         code.append("{{{argument}}}")

  228.         self.assertEqual("Have a {{template}}{{{argument}}}", code)

  229.         self.assertIsInstance(code.get(2), Argument)

  230.         code.append(None)

  231.         self.assertEqual("Have a {{template}}{{{argument}}}", code)

  232.         code.append(Text(" foo"))

  233.         self.assertEqual("Have a {{template}}{{{argument}}} foo", code)

  234.         self.assertRaises(ValueError, code.append, slice(0, 1))

  235. 

  236.     def test_remove(self):

  237.         """test Wikicode.remove()"""

  238.         meth = lambda code, obj, value, **kw: code.remove(obj, **kw)

  239.         expected = [

  240.             "{{a}}{{c}}", "", "{{a||{{c|d=}}}}", "{{a}}{{f}}",

  241.             "{{a||{{f|{{g}}=}}}}", "here   a {{template}}}}"

  242.         ]

  243.         self._test_search(meth, expected)

  244. 

  245.     def test_matches(self):

  246.         """test Wikicode.matches()"""

  247.         code1 = parse("Cleanup")

  248.         code2 = parse("\nstub<!-- TODO: make more specific -->")

  249.         code3 = parse("")

  250.         self.assertTrue(code1.matches("Cleanup"))

  251.         self.assertTrue(code1.matches("cleanup"))

  252.         self.assertTrue(code1.matches("  cleanup\n"))

  253.         self.assertFalse(code1.matches("CLEANup"))

  254.         self.assertFalse(code1.matches("Blah"))

  255.         self.assertTrue(code2.matches("stub"))

  256.         self.assertTrue(code2.matches("Stub<!-- no, it's fine! -->"))

  257.         self.assertFalse(code2.matches("StuB"))

  258.         self.assertTrue(code1.matches(("cleanup", "stub")))

  259.         self.assertTrue(code2.matches(("cleanup", "stub")))

  260.         self.assertFalse(code2.matches(("StuB", "sTUb", "foobar")))

  261.         self.assertFalse(code2.matches(["StuB", "sTUb", "foobar"]))

  262.         self.assertTrue(code2.matches(("StuB", "sTUb", "foo", "bar", "Stub")))

  263.         self.assertTrue(code2.matches(["StuB", "sTUb", "foo", "bar", "Stub"]))

  264.         self.assertTrue(code3.matches(""))

  265.         self.assertTrue(code3.matches("<!-- nothing -->"))

  266.         self.assertTrue(code3.matches(("a", "b", "")))

  267. 

  268.     def test_filter_family(self):

  269.         """test the Wikicode.i?filter() family of functions"""

  270.         def genlist(gen):

  271.             self.assertIsInstance(gen, GeneratorType)

  272.             return list(gen)

  273.         ifilter = lambda code: (lambda *a, **k: genlist(code.ifilter(*a, **k)))

  274. 

  275.         code = parse("a{{b}}c[[d]]{{{e}}}{{f}}[[g]]")

  276.         for func in (code.filter, ifilter(code)):

  277.             self.assertEqual(["a", "{{b}}", "b", "c", "[[d]]", "d", "{{{e}}}",

  278.                               "e", "{{f}}", "f", "[[g]]", "g"], func())

  279.             self.assertEqual(["{{{e}}}"], func(forcetype=Argument))

  280.             self.assertIs(code.get(4), func(forcetype=Argument)[0])

  281.             self.assertEqual(list("abcdefg"), func(forcetype=Text))

  282.             self.assertEqual([], func(forcetype=Heading))

  283.             self.assertRaises(TypeError, func, forcetype=True)

  284. 

  285.         funcs = [

  286.             lambda name, **kw: getattr(code, "filter_" + name)(**kw),

  287.             lambda name, **kw: genlist(getattr(code, "ifilter_" + name)(**kw))

  288.         ]

  289.         for get_filter in funcs:

  290.             self.assertEqual(["{{{e}}}"], get_filter("arguments"))

  291.             self.assertIs(code.get(4), get_filter("arguments")[0])

  292.             self.assertEqual([], get_filter("comments"))

  293.             self.assertEqual([], get_filter("external_links"))

  294.             self.assertEqual([], get_filter("headings"))

  295.             self.assertEqual([], get_filter("html_entities"))

  296.             self.assertEqual([], get_filter("tags"))

  297.             self.assertEqual(["{{b}}", "{{f}}"], get_filter("templates"))

  298.             self.assertEqual(list("abcdefg"), get_filter("text"))

  299.             self.assertEqual(["[[d]]", "[[g]]"], get_filter("wikilinks"))

  300. 

  301.         code2 = parse("{{a|{{b}}|{{c|d={{f}}{{h}}}}}}")

  302.         for func in (code2.filter, ifilter(code2)):

  303.             self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}"],

  304.                              func(recursive=False, forcetype=Template))

  305.             self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}", "{{b}}",

  306.                               "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"],

  307.                              func(recursive=True, forcetype=Template))

  308. 

  309.         code3 = parse("{{foobar}}{{FOO}}{{baz}}{{bz}}{{barfoo}}")

  310.         for func in (code3.filter, ifilter(code3)):

  311.             self.assertEqual(["{{foobar}}", "{{barfoo}}"],

  312.                              func(False, matches=lambda node: "foo" in node))

  313.             self.assertEqual(["{{foobar}}", "{{FOO}}", "{{barfoo}}"],

  314.                              func(False, matches=r"foo"))

  315.             self.assertEqual(["{{foobar}}", "{{FOO}}"],

  316.                              func(matches=r"^{{foo.*?}}"))

  317.             self.assertEqual(["{{foobar}}"],

  318.                              func(matches=r"^{{foo.*?}}", flags=re.UNICODE))

  319.             self.assertEqual(["{{baz}}", "{{bz}}"], func(matches=r"^{{b.*?z"))

  320.             self.assertEqual(["{{baz}}"], func(matches=r"^{{b.+?z}}"))

  321. 

  322.         self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}"],

  323.                          code2.filter_templates(recursive=False))

  324.         self.assertEqual(["{{a|{{b}}|{{c|d={{f}}{{h}}}}}}", "{{b}}",

  325.                           "{{c|d={{f}}{{h}}}}", "{{f}}", "{{h}}"],

  326.                          code2.filter_templates(recursive=True))

  327. 

  328.         self.assertEqual(["{{foobar}}"], code3.filter_templates(

  329.             matches=lambda node: node.name.matches("Foobar")))

  330.         self.assertEqual(["{{baz}}", "{{bz}}"],

  331.                          code3.filter_templates(matches=r"^{{b.*?z"))

  332.         self.assertEqual([], code3.filter_tags(matches=r"^{{b.*?z"))

  333.         self.assertEqual([], code3.filter_tags(matches=r"^{{b.*?z", flags=0))

  334. 

  335.         self.assertRaises(TypeError, code.filter_templates, 100)

  336.         self.assertRaises(TypeError, code.filter_templates, a=42)

  337.         self.assertRaises(TypeError, code.filter_templates, forcetype=Template)

  338. 

  339.     def test_get_sections(self):

  340.         """test Wikicode.get_sections()"""

  341.         page1 = parse("")

  342.         page2 = parse("==Heading==")

  343.         page3 = parse("===Heading===\nFoo bar baz\n====Gnidaeh====\n")

  344. 

  345.         p4_lead = "This is a lead.\n"

  346.         p4_IA = "=== Section I.A ===\nSection I.A [[body]].\n"

  347.         p4_IB1 = "==== Section I.B.1 ====\nSection I.B.1 body.\n\n&bull;Some content.\n\n"

  348.         p4_IB = "=== Section I.B ===\n" + p4_IB1

  349.         p4_I = "== Section I ==\nSection I body. {{and a|template}}\n" + p4_IA + p4_IB

  350.         p4_II = "== Section II ==\nSection II body.\n\n"

  351.         p4_IIIA1a = "===== Section III.A.1.a =====\nMore text.\n"

  352.         p4_IIIA2ai1 = "======= Section III.A.2.a.i.1 =======\nAn invalid section!"

  353.         p4_IIIA2 = "==== Section III.A.2 ====\nEven more text.\n" + p4_IIIA2ai1

  354.         p4_IIIA = "=== Section III.A ===\nText.\n" + p4_IIIA1a + p4_IIIA2

  355.         p4_III = "== Section III ==\n" + p4_IIIA

  356.         page4 = parse(p4_lead + p4_I + p4_II + p4_III)

  357. 

  358.         self.assertEqual([""], page1.get_sections())

  359.         self.assertEqual(["", "==Heading=="], page2.get_sections())

  360.         self.assertEqual(["", "===Heading===\nFoo bar baz\n====Gnidaeh====\n",

  361.                           "====Gnidaeh====\n"], page3.get_sections())

  362.         self.assertEqual([p4_lead, p4_I, p4_IA, p4_IB, p4_IB1, p4_II,

  363.                           p4_III, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1],

  364.                          page4.get_sections())

  365. 

  366.         self.assertEqual(["====Gnidaeh====\n"], page3.get_sections(levels=[4]))

  367.         self.assertEqual(["===Heading===\nFoo bar baz\n====Gnidaeh====\n"],

  368.                          page3.get_sections(levels=(2, 3)))

  369.         self.assertEqual(["===Heading===\nFoo bar baz\n"],

  370.                          page3.get_sections(levels=(2, 3), flat=True))

  371.         self.assertEqual([], page3.get_sections(levels=[0]))

  372.         self.assertEqual(["", "====Gnidaeh====\n"],

  373.                          page3.get_sections(levels=[4], include_lead=True))

  374.         self.assertEqual(["===Heading===\nFoo bar baz\n====Gnidaeh====\n",

  375.                           "====Gnidaeh====\n"],

  376.                          page3.get_sections(include_lead=False))

  377.         self.assertEqual(["===Heading===\nFoo bar baz\n", "====Gnidaeh====\n"],

  378.                          page3.get_sections(flat=True, include_lead=False))

  379. 

  380.         self.assertEqual([p4_IB1, p4_IIIA2], page4.get_sections(levels=[4]))

  381.         self.assertEqual([p4_IA, p4_IB, p4_IIIA], page4.get_sections(levels=[3]))

  382.         self.assertEqual([p4_IA, "=== Section I.B ===\n",

  383.                           "=== Section III.A ===\nText.\n"],

  384.                          page4.get_sections(levels=[3], flat=True))

  385.         self.assertEqual(["", ""], page2.get_sections(include_headings=False))

  386.         self.assertEqual(["\nSection I.B.1 body.\n\n&bull;Some content.\n\n",

  387.                           "\nEven more text.\n" + p4_IIIA2ai1],

  388.                          page4.get_sections(levels=[4],

  389.                                             include_headings=False))

  390. 

  391.         self.assertEqual([], page4.get_sections(matches=r"body"))

  392.         self.assertEqual([p4_I, p4_IA, p4_IB, p4_IB1],

  393.                          page4.get_sections(matches=r"Section\sI[.\s].*?"))

  394.         self.assertEqual([p4_IA, p4_IIIA, p4_IIIA1a, p4_IIIA2, p4_IIIA2ai1],

  395.                          page4.get_sections(matches=r".*?a.*?"))

  396.         self.assertEqual([p4_IIIA1a, p4_IIIA2ai1],

  397.                          page4.get_sections(matches=r".*?a.*?", flags=re.U))

  398.         self.assertEqual(["\nMore text.\n", "\nAn invalid section!"],

  399.                          page4.get_sections(matches=r".*?a.*?", flags=re.U,

  400.                                             include_headings=False))

  401. 

  402.         sections = page2.get_sections(include_headings=False)

  403.         sections[0].append("Lead!\n")

  404.         sections[1].append("\nFirst section!")

  405.         self.assertEqual("Lead!\n==Heading==\nFirst section!", page2)

  406. 

  407.         page5 = parse("X\n== Foo ==\nBar\n== Baz ==\nBuzz")

  408.         section = page5.get_sections(matches="Foo")[0]

  409.         section.replace("\nBar\n", "\nBarf ")

  410.         section.append("{{Haha}}\n")

  411.         self.assertEqual("== Foo ==\nBarf {{Haha}}\n", section)

  412.         self.assertEqual("X\n== Foo ==\nBarf {{Haha}}\n== Baz ==\nBuzz", page5)

  413. 

  414.     def test_strip_code(self):

  415.         """test Wikicode.strip_code()"""

  416.         # Since individual nodes have test cases for their __strip__ methods,

  417.         # we're only going to do an integration test:

  418.         code = parse("Foo [[bar]]\n\n{{baz}}\n\n[[a|b]] &Sigma;")

  419.         self.assertEqual("Foo bar\n\nb Σ",

  420.                          code.strip_code(normalize=True, collapse=True))

  421.         self.assertEqual("Foo bar\n\n\n\nb Σ",

  422.                          code.strip_code(normalize=True, collapse=False))

  423.         self.assertEqual("Foo bar\n\nb &Sigma;",

  424.                          code.strip_code(normalize=False, collapse=True))

  425.         self.assertEqual("Foo bar\n\n\n\nb &Sigma;",

  426.                          code.strip_code(normalize=False, collapse=False))

  427. 

  428.     def test_get_tree(self):

  429.         """test Wikicode.get_tree()"""

  430.         # Since individual nodes have test cases for their __showtree___

  431.         # methods, and the docstring covers all possibilities for the output of

  432.         # __showtree__, we'll test it only:

  433.         code = parse("Lorem ipsum {{foo|bar|{{baz}}|spam=eggs}}")

  434.         expected = "Lorem ipsum \n{{\n\t  foo\n\t| 1\n\t= bar\n\t| 2\n\t= " + \

  435.                    "{{\n\t\t\tbaz\n\t  }}\n\t| spam\n\t= eggs\n}}"

  436.         self.assertEqual(expected.expandtabs(4), code.get_tree())

  437. 

  438. if __name__ == "__main__":

  439.     unittest.main(verbosity=2)