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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) 2012-2013 Ben Kurtovic <ben.kurtovic@verizon.net>

  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. import re

  25. from types import GeneratorType

  26. import unittest

  27. 

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

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

  30. from mwparserfromhell.smart_list import SmartList

  31. from mwparserfromhell.wikicode import Wikicode

  32. from mwparserfromhell import parse

  33. from mwparserfromhell.compat import py3k, str

  34. 

  35. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  36. 

  37. class TestWikicode(TreeEqualityTestCase):

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

  39. 

  40.     def test_unicode(self):

  41.         """test Wikicode.__unicode__()"""

  42.         code1 = parse("foobar")

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

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

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

  46. 

  47.     def test_nodes(self):

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

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

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

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

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

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

  54.         code.nodes = L1

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

  56.         code.nodes = L2

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

  58.         code.nodes = L3

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

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

  61. 

  62.     def test_get(self):

  63.         """test Wikicode.get()"""

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

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

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

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

  68. 

  69.     def test_set(self):

  70.         """test Wikicode.set()"""

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

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

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

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

  75.         code.set(2, None)

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

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

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

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

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

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

  82. 

  83.     def test_index(self):

  84.         """test Wikicode.index()"""

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

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

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

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

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

  90. 

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

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

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

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

  95.                                        recursive=True))

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

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

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

  99. 

  100.     def test_insert(self):

  101.         """test Wikicode.insert()"""

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

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

  104.         self.assertEqual(

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

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

  107.         code.insert(2, None)

  108.         self.assertEqual(

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

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

  111.         self.assertEqual(

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

  113. 

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

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

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

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

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

  119. 

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

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

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

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

  124. 

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

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

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

  128.         func = getattr(code, meth)

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

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

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

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

  133.         self.assertEqual(expected[1], code)

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

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

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

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

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

  139. 

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

  141.         func = getattr(code2, meth)

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

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

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

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

  146.         self.assertEqual(expected[2], code2)

  147. 

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

  149.         func = getattr(code3, meth)

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

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

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

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

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

  155.         self.assertEqual(expected[3], code3)

  156. 

  157.         code4 = parse("{{a}}{{b}}{{c}}{{d}}{{e}}{{f}}{{g}}")

  158.         func = getattr(code4, meth)

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

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

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

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

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

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

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

  166.         self.assertEqual(expected[4], code4)

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

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

  169. 

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

  171.         func = getattr(code5, meth)

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

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

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

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

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

  177.         self.assertEqual(expected[5], code5)

  178. 

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

  180.         func = getattr(code6, meth)

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

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

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

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

  185.         self.assertEqual(expected[6], code6)

  186. 

  187.     def test_insert_before(self):

  188.         """test Wikicode.insert_before()"""

  189.         expected = [

  190.             "{{a}}x{{b}}{{c}}[[y]]{{d}}", "{{a}}xz{{b}}{{c}}[[y]]{{d}}",

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

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

  193.             "{{a}}w{{b}}{{c}}x{{d}}{{e}}yz{{f}}{{g}}",

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

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

  196.         self._test_search("insert_before", expected)

  197. 

  198.     def test_insert_after(self):

  199.         """test Wikicode.insert_after()"""

  200.         expected = [

  201.             "{{a}}{{b}}x{{c}}{{d}}[[y]]", "{{a}}{{b}}xz{{c}}{{d}}[[y]]",

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

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

  204.             "{{a}}{{b}}{{c}}w{{d}}{{e}}x{{f}}{{g}}yz",

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

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

  207.         self._test_search("insert_after", expected)

  208. 

  209.     def test_replace(self):

  210.         """test Wikicode.replace()"""

  211.         expected = [

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

  213.             "{{a}}wz", "{{a|x|{{f|{{g}}=y}}}}", "here cd ab a {{template}}}}"]

  214.         self._test_search("replace", expected)

  215. 

  216.     def test_append(self):

  217.         """test Wikicode.append()"""

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

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

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

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

  222.         code.append(None)

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

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

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

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

  227. 

  228.     def test_remove(self):

  229.         """test Wikicode.remove()"""

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

  231.         code.remove("{{b}}", recursive=True)

  232.         code.remove(code.get(1), recursive=True)

  233.         self.assertEqual("{{a}}{{d}}", code)

  234.         self.assertRaises(ValueError, code.remove, "{{r}}", recursive=True)

  235.         self.assertRaises(ValueError, code.remove, "{{r}}", recursive=False)

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

  237.         self.assertRaises(ValueError, code.remove, fake, recursive=True)

  238.         self.assertRaises(ValueError, code.remove, fake, recursive=False)

  239. 

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

  241.         code2.remove(code2.get(1), recursive=False)

  242.         self.assertEqual("{{a}}{{a}}{{b}}{{b}}{{b}}", code2)

  243.         code2.remove("{{a}}", recursive=False)

  244.         self.assertEqual("{{b}}{{b}}{{b}}", code2)

  245.         code2.remove(code2.get(-1), recursive=True)

  246.         self.assertEqual("{{b}}{{b}}", code2)

  247.         code2.remove("{{b}}", recursive=True)

  248.         self.assertEqual("", code2)

  249. 

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

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

  252.         self.assertRaises(ValueError, code3.remove, obj, recursive=False)

  253.         code3.remove(obj, recursive=True)

  254.         self.assertRaises(ValueError, code3.remove, "{{f}}", recursive=False)

  255.         code3.remove("{{f}}", recursive=True)

  256.         self.assertEqual("{{a||{{c|d=}}}}", code3)

  257. 

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

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

  260.         self.assertRaises(ValueError, code4.remove, fake, recursive=False)

  261.         self.assertRaises(ValueError, code4.remove, fake, recursive=True)

  262.         code4.remove("{{b}}{{c}}", recursive=False)

  263.         code4.remove("{{d}}{{e}}", recursive=True)

  264.         code4.remove(wrap(code4.nodes[-2:]), recursive=False)

  265.         code4.remove(wrap(code4.nodes[-2:]), recursive=True)

  266.         self.assertEqual("{{a}}{{f}}", code4)

  267.         self.assertRaises(ValueError, code4.remove, "{{a}}{{b}}", False)

  268.         self.assertRaises(ValueError, code4.remove, "{{a}}{{b}}", True)

  269. 

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

  271.         self.assertRaises(ValueError, code5.remove, "{{b}}{{c}}", False)

  272.         code5.remove("{{b}}{{c}}", recursive=True)

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

  274.         self.assertRaises(ValueError, code5.remove, obj, recursive=False)

  275.         code5.remove(obj, recursive=True)

  276.         self.assertEqual("{{a||{{f|{{g}}=}}}}", code5)

  277. 

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

  279.         func = code6.remove

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

  281.         func("text and", recursive=True)

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

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

  284.         self.assertEqual("here   a {{template}}}}", code6)

  285. 

  286.     def test_matches(self):

  287.         """test Wikicode.matches()"""

  288.         code1 = parse("Cleanup")

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

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

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

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

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

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

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

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

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

  298. 

  299.     def test_filter_family(self):

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

  301.         def genlist(gen):

  302.             self.assertIsInstance(gen, GeneratorType)

  303.             return list(gen)

  304.         ifilter = lambda code: (lambda **kw: genlist(code.ifilter(**kw)))

  305. 

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

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

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

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

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

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

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

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

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

  315. 

  316.         funcs = [

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

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

  319.         ]

  320.         for get_filter in funcs:

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

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

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

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

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

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

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

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

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

  330. 

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

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

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

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

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

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

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

  338. 

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

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

  341.             self.assertEqual(["{{foobar}}", "{{FOO}}"], func(recursive=False, matches=r"foo"))

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

  343.                              func(recursive=False, matches=r"^{{foo.*?}}"))

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

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

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

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

  348. 

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

  350.                          code2.filter_templates(recursive=False))

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

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

  353.                          code2.filter_templates(recursive=True))

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

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

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

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

  358. 

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

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

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

  362. 

  363.     def test_get_sections(self):

  364.         """test Wikicode.get_sections()"""

  365.         page1 = parse("")

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

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

  368. 

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

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

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

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

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

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

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

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

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

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

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

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

  381. 

  382.         self.assertEqual([], page1.get_sections())

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

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

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

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

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

  388.                          page4.get_sections())

  389. 

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

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

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

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

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

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

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

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

  398.                          page3.get_sections(include_lead=False))

  399. 

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

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

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

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

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

  405.                                             include_headings=False))

  406. 

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

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

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

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

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

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

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

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

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

  416.                                             include_headings=False))

  417. 

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

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

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

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

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

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

  424. 

  425.     def test_strip_code(self):

  426.         """test Wikicode.strip_code()"""

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

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

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

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

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

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

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

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

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

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

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

  438. 

  439.     def test_get_tree(self):

  440.         """test Wikicode.get_tree()"""

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

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

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

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

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

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

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

  448. 

  449. if __name__ == "__main__":

  450.     unittest.main(verbosity=2)