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

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

  2. #

  3. # Copyright (C) 2012-2019 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. import unittest

  25. 

  26. from mwparserfromhell.compat import py3k

  27. from mwparserfromhell.nodes import (Argument, Comment, ExternalLink, Heading,

  28.                                     HTMLEntity, Tag, Template, Text, Wikilink)

  29. from mwparserfromhell.nodes.extras import Attribute, Parameter

  30. from mwparserfromhell.parser import tokens, ParserError

  31. from mwparserfromhell.parser.builder import Builder

  32. 

  33. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  34. 

  35. class TestBuilder(TreeEqualityTestCase):

  36.     """Tests for the builder, which turns tokens into Wikicode objects."""

  37. 

  38.     def setUp(self):

  39.         self.builder = Builder()

  40. 

  41.     def test_text(self):

  42.         """tests for building Text nodes"""

  43.         tests = [

  44.             ([tokens.Text(text="foobar")], wraptext("foobar")),

  45.             ([tokens.Text(text="fóóbar")], wraptext("fóóbar")),

  46.             ([tokens.Text(text="spam"), tokens.Text(text="eggs")],

  47.              wraptext("spam", "eggs")),

  48.         ]

  49.         for test, valid in tests:

  50.             self.assertWikicodeEqual(valid, self.builder.build(test))

  51. 

  52.     def test_template(self):

  53.         """tests for building Template nodes"""

  54.         tests = [

  55.             ([tokens.TemplateOpen(), tokens.Text(text="foobar"),

  56.               tokens.TemplateClose()],

  57.              wrap([Template(wraptext("foobar"))])),

  58. 

  59.             ([tokens.TemplateOpen(), tokens.Text(text="spam"),

  60.               tokens.Text(text="eggs"), tokens.TemplateClose()],

  61.              wrap([Template(wraptext("spam", "eggs"))])),

  62. 

  63.             ([tokens.TemplateOpen(), tokens.Text(text="foo"),

  64.               tokens.TemplateParamSeparator(), tokens.Text(text="bar"),

  65.               tokens.TemplateClose()],

  66.              wrap([Template(wraptext("foo"), params=[

  67.                  Parameter(wraptext("1"), wraptext("bar"), showkey=False)])])),

  68. 

  69.             ([tokens.TemplateOpen(), tokens.Text(text="foo"),

  70.               tokens.TemplateParamSeparator(), tokens.Text(text="bar"),

  71.               tokens.TemplateParamEquals(), tokens.Text(text="baz"),

  72.               tokens.TemplateClose()],

  73.              wrap([Template(wraptext("foo"), params=[

  74.                  Parameter(wraptext("bar"), wraptext("baz"))])])),

  75. 

  76.             ([tokens.TemplateOpen(), tokens.TemplateParamSeparator(),

  77.               tokens.TemplateParamSeparator(), tokens.TemplateParamEquals(),

  78.               tokens.TemplateParamSeparator(), tokens.TemplateClose()],

  79.              wrap([Template(wrap([]), params=[

  80.                  Parameter(wraptext("1"), wrap([]), showkey=False),

  81.                  Parameter(wrap([]), wrap([]), showkey=True),

  82.                  Parameter(wraptext("2"), wrap([]), showkey=False)])])),

  83. 

  84.             ([tokens.TemplateOpen(), tokens.Text(text="foo"),

  85.               tokens.TemplateParamSeparator(), tokens.Text(text="bar"),

  86.               tokens.TemplateParamEquals(), tokens.Text(text="baz"),

  87.               tokens.TemplateParamSeparator(), tokens.Text(text="biz"),

  88.               tokens.TemplateParamSeparator(), tokens.Text(text="buzz"),

  89.               tokens.TemplateParamSeparator(), tokens.Text(text="3"),

  90.               tokens.TemplateParamEquals(), tokens.Text(text="buff"),

  91.               tokens.TemplateParamSeparator(), tokens.Text(text="baff"),

  92.               tokens.TemplateClose()],

  93.              wrap([Template(wraptext("foo"), params=[

  94.                  Parameter(wraptext("bar"), wraptext("baz")),

  95.                  Parameter(wraptext("1"), wraptext("biz"), showkey=False),

  96.                  Parameter(wraptext("2"), wraptext("buzz"), showkey=False),

  97.                  Parameter(wraptext("3"), wraptext("buff")),

  98.                  Parameter(wraptext("3"), wraptext("baff"),

  99.                            showkey=False)])])),

  100.         ]

  101.         for test, valid in tests:

  102.             self.assertWikicodeEqual(valid, self.builder.build(test))

  103. 

  104.     def test_argument(self):

  105.         """tests for building Argument nodes"""

  106.         tests = [

  107.             ([tokens.ArgumentOpen(), tokens.Text(text="foobar"),

  108.               tokens.ArgumentClose()],

  109.              wrap([Argument(wraptext("foobar"))])),

  110. 

  111.             ([tokens.ArgumentOpen(), tokens.Text(text="spam"),

  112.               tokens.Text(text="eggs"), tokens.ArgumentClose()],

  113.              wrap([Argument(wraptext("spam", "eggs"))])),

  114. 

  115.             ([tokens.ArgumentOpen(), tokens.Text(text="foo"),

  116.               tokens.ArgumentSeparator(), tokens.Text(text="bar"),

  117.               tokens.ArgumentClose()],

  118.              wrap([Argument(wraptext("foo"), wraptext("bar"))])),

  119. 

  120.             ([tokens.ArgumentOpen(), tokens.Text(text="foo"),

  121.               tokens.Text(text="bar"), tokens.ArgumentSeparator(),

  122.               tokens.Text(text="baz"), tokens.Text(text="biz"),

  123.               tokens.ArgumentClose()],

  124.              wrap([Argument(wraptext("foo", "bar"), wraptext("baz", "biz"))])),

  125.         ]

  126.         for test, valid in tests:

  127.             self.assertWikicodeEqual(valid, self.builder.build(test))

  128. 

  129.     def test_wikilink(self):

  130.         """tests for building Wikilink nodes"""

  131.         tests = [

  132.             ([tokens.WikilinkOpen(), tokens.Text(text="foobar"),

  133.               tokens.WikilinkClose()],

  134.              wrap([Wikilink(wraptext("foobar"))])),

  135. 

  136.             ([tokens.WikilinkOpen(), tokens.Text(text="spam"),

  137.               tokens.Text(text="eggs"), tokens.WikilinkClose()],

  138.              wrap([Wikilink(wraptext("spam", "eggs"))])),

  139. 

  140.             ([tokens.WikilinkOpen(), tokens.Text(text="foo"),

  141.               tokens.WikilinkSeparator(), tokens.Text(text="bar"),

  142.               tokens.WikilinkClose()],

  143.              wrap([Wikilink(wraptext("foo"), wraptext("bar"))])),

  144. 

  145.             ([tokens.WikilinkOpen(), tokens.Text(text="foo"),

  146.               tokens.Text(text="bar"), tokens.WikilinkSeparator(),

  147.               tokens.Text(text="baz"), tokens.Text(text="biz"),

  148.               tokens.WikilinkClose()],

  149.              wrap([Wikilink(wraptext("foo", "bar"), wraptext("baz", "biz"))])),

  150.         ]

  151.         for test, valid in tests:

  152.             self.assertWikicodeEqual(valid, self.builder.build(test))

  153. 

  154.     def test_external_link(self):

  155.         """tests for building ExternalLink nodes"""

  156.         tests = [

  157.             ([tokens.ExternalLinkOpen(brackets=False),

  158.               tokens.Text(text="http://example.com/"),

  159.               tokens.ExternalLinkClose()],

  160.              wrap([ExternalLink(wraptext("http://example.com/"),

  161.                                 brackets=False)])),

  162. 

  163.             ([tokens.ExternalLinkOpen(brackets=True),

  164.               tokens.Text(text="http://example.com/"),

  165.               tokens.ExternalLinkClose()],

  166.              wrap([ExternalLink(wraptext("http://example.com/"))])),

  167. 

  168.             ([tokens.ExternalLinkOpen(brackets=True),

  169.               tokens.Text(text="http://example.com/"),

  170.               tokens.ExternalLinkSeparator(), tokens.ExternalLinkClose()],

  171.              wrap([ExternalLink(wraptext("http://example.com/"), wrap([]))])),

  172. 

  173.             ([tokens.ExternalLinkOpen(brackets=True),

  174.               tokens.Text(text="http://example.com/"),

  175.               tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),

  176.               tokens.ExternalLinkClose()],

  177.              wrap([ExternalLink(wraptext("http://example.com/"),

  178.                                 wraptext("Example"))])),

  179. 

  180.             ([tokens.ExternalLinkOpen(brackets=False),

  181.               tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),

  182.               tokens.ExternalLinkClose()],

  183.              wrap([ExternalLink(wraptext("http://example", ".com/foo"),

  184.                                 brackets=False)])),

  185. 

  186.             ([tokens.ExternalLinkOpen(brackets=True),

  187.               tokens.Text(text="http://example"), tokens.Text(text=".com/foo"),

  188.               tokens.ExternalLinkSeparator(), tokens.Text(text="Example"),

  189.               tokens.Text(text=" Web Page"), tokens.ExternalLinkClose()],

  190.              wrap([ExternalLink(wraptext("http://example", ".com/foo"),

  191.                                 wraptext("Example", " Web Page"))])),

  192.         ]

  193.         for test, valid in tests:

  194.             self.assertWikicodeEqual(valid, self.builder.build(test))

  195. 

  196.     def test_html_entity(self):

  197.         """tests for building HTMLEntity nodes"""

  198.         tests = [

  199.             ([tokens.HTMLEntityStart(), tokens.Text(text="nbsp"),

  200.               tokens.HTMLEntityEnd()],

  201.              wrap([HTMLEntity("nbsp", named=True, hexadecimal=False)])),

  202. 

  203.             ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),

  204.               tokens.Text(text="107"), tokens.HTMLEntityEnd()],

  205.              wrap([HTMLEntity("107", named=False, hexadecimal=False)])),

  206. 

  207.             ([tokens.HTMLEntityStart(), tokens.HTMLEntityNumeric(),

  208.               tokens.HTMLEntityHex(char="X"), tokens.Text(text="6B"),

  209.               tokens.HTMLEntityEnd()],

  210.              wrap([HTMLEntity("6B", named=False, hexadecimal=True,

  211.                               hex_char="X")])),

  212.         ]

  213.         for test, valid in tests:

  214.             self.assertWikicodeEqual(valid, self.builder.build(test))

  215. 

  216.     def test_heading(self):

  217.         """tests for building Heading nodes"""

  218.         tests = [

  219.             ([tokens.HeadingStart(level=2), tokens.Text(text="foobar"),

  220.               tokens.HeadingEnd()],

  221.              wrap([Heading(wraptext("foobar"), 2)])),

  222. 

  223.             ([tokens.HeadingStart(level=4), tokens.Text(text="spam"),

  224.               tokens.Text(text="eggs"), tokens.HeadingEnd()],

  225.              wrap([Heading(wraptext("spam", "eggs"), 4)])),

  226.         ]

  227.         for test, valid in tests:

  228.             self.assertWikicodeEqual(valid, self.builder.build(test))

  229. 

  230.     def test_comment(self):

  231.         """tests for building Comment nodes"""

  232.         tests = [

  233.             ([tokens.CommentStart(), tokens.Text(text="foobar"),

  234.               tokens.CommentEnd()],

  235.              wrap([Comment("foobar")])),

  236. 

  237.             ([tokens.CommentStart(), tokens.Text(text="spam"),

  238.               tokens.Text(text="eggs"), tokens.CommentEnd()],

  239.              wrap([Comment("spameggs")])),

  240.         ]

  241.         for test, valid in tests:

  242.             self.assertWikicodeEqual(valid, self.builder.build(test))

  243. 

  244.     def test_tag(self):

  245.         """tests for building Tag nodes"""

  246.         tests = [

  247.             # <ref></ref>

  248.             ([tokens.TagOpenOpen(), tokens.Text(text="ref"),

  249.               tokens.TagCloseOpen(padding=""), tokens.TagOpenClose(),

  250.               tokens.Text(text="ref"), tokens.TagCloseClose()],

  251.              wrap([Tag(wraptext("ref"), wrap([]),

  252.                        closing_tag=wraptext("ref"))])),

  253. 

  254.             # <ref name></ref>

  255.             ([tokens.TagOpenOpen(), tokens.Text(text="ref"),

  256.               tokens.TagAttrStart(pad_first=" ", pad_before_eq="",

  257.                                   pad_after_eq=""),

  258.               tokens.Text(text="name"), tokens.TagCloseOpen(padding=""),

  259.               tokens.TagOpenClose(), tokens.Text(text="ref"),

  260.               tokens.TagCloseClose()],

  261.              wrap([Tag(wraptext("ref"), wrap([]),

  262.                       attrs=[Attribute(wraptext("name"))])])),

  263. 

  264.             # <ref name="abc" />

  265.             ([tokens.TagOpenOpen(), tokens.Text(text="ref"),

  266.               tokens.TagAttrStart(pad_first=" ", pad_before_eq="",

  267.                                   pad_after_eq=""),

  268.               tokens.Text(text="name"), tokens.TagAttrEquals(),

  269.               tokens.TagAttrQuote(char='"'), tokens.Text(text="abc"),

  270.               tokens.TagCloseSelfclose(padding=" ")],

  271.              wrap([Tag(wraptext("ref"),

  272.                        attrs=[Attribute(wraptext("name"), wraptext("abc"))],

  273.                        self_closing=True, padding=" ")])),

  274. 

  275.             # <br/>

  276.             ([tokens.TagOpenOpen(), tokens.Text(text="br"),

  277.               tokens.TagCloseSelfclose(padding="")],

  278.              wrap([Tag(wraptext("br"), self_closing=True)])),

  279. 

  280.             # <li>

  281.             ([tokens.TagOpenOpen(), tokens.Text(text="li"),

  282.               tokens.TagCloseSelfclose(padding="", implicit=True)],

  283.              wrap([Tag(wraptext("li"), self_closing=True, implicit=True)])),

  284. 

  285.             # </br>

  286.             ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),

  287.               tokens.TagCloseSelfclose(padding="", implicit=True)],

  288.              wrap([Tag(wraptext("br"), self_closing=True, invalid=True,

  289.                        implicit=True)])),

  290. 

  291.             # </br/>

  292.             ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),

  293.               tokens.TagCloseSelfclose(padding="")],

  294.              wrap([Tag(wraptext("br"), self_closing=True, invalid=True)])),

  295. 

  296.             # <ref name={{abc}}   foo="bar {{baz}}" abc={{de}}f ghi=j{{k}}{{l}}

  297.             #      mno =  '{{p}} [[q]] {{r}}'>[[Source]]</ref>

  298.             ([tokens.TagOpenOpen(), tokens.Text(text="ref"),

  299.               tokens.TagAttrStart(pad_first=" ", pad_before_eq="",

  300.                                   pad_after_eq=""),

  301.               tokens.Text(text="name"), tokens.TagAttrEquals(),

  302.               tokens.TemplateOpen(), tokens.Text(text="abc"),

  303.               tokens.TemplateClose(),

  304.               tokens.TagAttrStart(pad_first="   ", pad_before_eq="",

  305.                                   pad_after_eq=""),

  306.               tokens.Text(text="foo"), tokens.TagAttrEquals(),

  307.               tokens.TagAttrQuote(char='"'), tokens.Text(text="bar "),

  308.               tokens.TemplateOpen(), tokens.Text(text="baz"),

  309.               tokens.TemplateClose(),

  310.               tokens.TagAttrStart(pad_first=" ", pad_before_eq="",

  311.                                   pad_after_eq=""),

  312.               tokens.Text(text="abc"), tokens.TagAttrEquals(),

  313.               tokens.TemplateOpen(), tokens.Text(text="de"),

  314.               tokens.TemplateClose(), tokens.Text(text="f"),

  315.               tokens.TagAttrStart(pad_first=" ", pad_before_eq="",

  316.                                   pad_after_eq=""),

  317.               tokens.Text(text="ghi"), tokens.TagAttrEquals(),

  318.               tokens.Text(text="j"), tokens.TemplateOpen(),

  319.               tokens.Text(text="k"), tokens.TemplateClose(),

  320.               tokens.TemplateOpen(), tokens.Text(text="l"),

  321.               tokens.TemplateClose(),

  322.               tokens.TagAttrStart(pad_first=" \n ", pad_before_eq=" ",

  323.                                   pad_after_eq="  "),

  324.               tokens.Text(text="mno"), tokens.TagAttrEquals(),

  325.               tokens.TagAttrQuote(char="'"), tokens.TemplateOpen(),

  326.               tokens.Text(text="p"), tokens.TemplateClose(),

  327.               tokens.Text(text=" "), tokens.WikilinkOpen(),

  328.               tokens.Text(text="q"), tokens.WikilinkClose(),

  329.               tokens.Text(text=" "), tokens.TemplateOpen(),

  330.               tokens.Text(text="r"), tokens.TemplateClose(),

  331.               tokens.TagCloseOpen(padding=""), tokens.WikilinkOpen(),

  332.               tokens.Text(text="Source"), tokens.WikilinkClose(),

  333.               tokens.TagOpenClose(), tokens.Text(text="ref"),

  334.               tokens.TagCloseClose()],

  335.              wrap([Tag(wraptext("ref"), wrap([Wikilink(wraptext("Source"))]), [

  336.                     Attribute(wraptext("name"),

  337.                               wrap([Template(wraptext("abc"))]), None),

  338.                     Attribute(wraptext("foo"), wrap([Text("bar "),

  339.                               Template(wraptext("baz"))]), pad_first="   "),

  340.                     Attribute(wraptext("abc"), wrap([Template(wraptext("de")),

  341.                               Text("f")]), None),

  342.                     Attribute(wraptext("ghi"), wrap([Text("j"),

  343.                               Template(wraptext("k")),

  344.                               Template(wraptext("l"))]), None),

  345.                     Attribute(wraptext("mno"), wrap([Template(wraptext("p")),

  346.                               Text(" "), Wikilink(wraptext("q")), Text(" "),

  347.                               Template(wraptext("r"))]), "'", " \n ", " ",

  348.                               "  ")])])),

  349. 

  350.             # "''italic text''"

  351.             ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),

  352.               tokens.TagCloseOpen(), tokens.Text(text="italic text"),

  353.               tokens.TagOpenClose(), tokens.Text(text="i"),

  354.               tokens.TagCloseClose()],

  355.              wrap([Tag(wraptext("i"), wraptext("italic text"),

  356.                        wiki_markup="''")])),

  357. 

  358.             # * bullet

  359.             ([tokens.TagOpenOpen(wiki_markup="*"), tokens.Text(text="li"),

  360.               tokens.TagCloseSelfclose(), tokens.Text(text=" bullet")],

  361.              wrap([Tag(wraptext("li"), wiki_markup="*", self_closing=True),

  362.                    Text(" bullet")])),

  363.         ]

  364.         for test, valid in tests:

  365.             self.assertWikicodeEqual(valid, self.builder.build(test))

  366. 

  367.     def test_integration(self):

  368.         """a test for building a combination of templates together"""

  369.         # {{{{{{{{foo}}bar|baz=biz}}buzz}}usr|{{bin}}}}

  370.         test = [tokens.TemplateOpen(), tokens.TemplateOpen(),

  371.                 tokens.TemplateOpen(), tokens.TemplateOpen(),

  372.                 tokens.Text(text="foo"), tokens.TemplateClose(),

  373.                 tokens.Text(text="bar"), tokens.TemplateParamSeparator(),

  374.                 tokens.Text(text="baz"), tokens.TemplateParamEquals(),

  375.                 tokens.Text(text="biz"), tokens.TemplateClose(),

  376.                 tokens.Text(text="buzz"), tokens.TemplateClose(),

  377.                 tokens.Text(text="usr"), tokens.TemplateParamSeparator(),

  378.                 tokens.TemplateOpen(), tokens.Text(text="bin"),

  379.                 tokens.TemplateClose(), tokens.TemplateClose()]

  380.         valid = wrap(

  381.             [Template(wrap([Template(wrap([Template(wrap([Template(wraptext(

  382.             "foo")), Text("bar")]), params=[Parameter(wraptext("baz"),

  383.             wraptext("biz"))]), Text("buzz")])), Text("usr")]), params=[

  384.             Parameter(wraptext("1"), wrap([Template(wraptext("bin"))]),

  385.             showkey=False)])])

  386.         self.assertWikicodeEqual(valid, self.builder.build(test))

  387. 

  388.     def test_integration2(self):

  389.         """an even more audacious test for building a horrible wikicode mess"""

  390.         # {{a|b|{{c|[[d]]{{{e}}}}}}}[[f|{{{g}}}<!--h-->]]{{i|j=&nbsp;}}

  391.         test = [tokens.TemplateOpen(), tokens.Text(text="a"),

  392.                 tokens.TemplateParamSeparator(), tokens.Text(text="b"),

  393.                 tokens.TemplateParamSeparator(), tokens.TemplateOpen(),

  394.                 tokens.Text(text="c"), tokens.TemplateParamSeparator(),

  395.                 tokens.WikilinkOpen(), tokens.Text(text="d"),

  396.                 tokens.WikilinkClose(), tokens.ArgumentOpen(),

  397.                 tokens.Text(text="e"), tokens.ArgumentClose(),

  398.                 tokens.TemplateClose(), tokens.TemplateClose(),

  399.                 tokens.WikilinkOpen(), tokens.Text(text="f"),

  400.                 tokens.WikilinkSeparator(), tokens.ArgumentOpen(),

  401.                 tokens.Text(text="g"), tokens.ArgumentClose(),

  402.                 tokens.CommentStart(), tokens.Text(text="h"),

  403.                 tokens.CommentEnd(), tokens.WikilinkClose(),

  404.                 tokens.TemplateOpen(), tokens.Text(text="i"),

  405.                 tokens.TemplateParamSeparator(), tokens.Text(text="j"),

  406.                 tokens.TemplateParamEquals(), tokens.HTMLEntityStart(),

  407.                 tokens.Text(text="nbsp"), tokens.HTMLEntityEnd(),

  408.                 tokens.TemplateClose()]

  409.         valid = wrap(

  410.             [Template(wraptext("a"), params=[Parameter(wraptext("1"), wraptext(

  411.             "b"), showkey=False), Parameter(wraptext("2"), wrap([Template(

  412.             wraptext("c"), params=[Parameter(wraptext("1"), wrap([Wikilink(

  413.             wraptext("d")), Argument(wraptext("e"))]), showkey=False)])]),

  414.             showkey=False)]), Wikilink(wraptext("f"), wrap([Argument(wraptext(

  415.             "g")), Comment("h")])), Template(wraptext("i"), params=[

  416.             Parameter(wraptext("j"), wrap([HTMLEntity("nbsp",

  417.             named=True)]))])])

  418.         self.assertWikicodeEqual(valid, self.builder.build(test))

  419. 

  420.     def test_parser_errors(self):

  421.         """test whether ParserError gets thrown for bad input"""

  422.         missing_closes = [

  423.             [tokens.TemplateOpen(), tokens.TemplateParamSeparator()],

  424.             [tokens.TemplateOpen()], [tokens.ArgumentOpen()],

  425.             [tokens.WikilinkOpen()], [tokens.ExternalLinkOpen()],

  426.             [tokens.HeadingStart()], [tokens.CommentStart()],

  427.             [tokens.TagOpenOpen(), tokens.TagAttrStart()],

  428.             [tokens.TagOpenOpen()]

  429.         ]

  430. 

  431.         func = self.assertRaisesRegex if py3k else self.assertRaisesRegexp

  432.         msg = r"_handle_token\(\) got unexpected TemplateClose"

  433.         func(ParserError, msg, self.builder.build, [tokens.TemplateClose()])

  434.         for test in missing_closes:

  435.             self.assertRaises(ParserError, self.builder.build, test)

  436. 

  437. if __name__ == "__main__":

  438.     unittest.main(verbosity=2)