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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_tag.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. 

  25. try:

  26.     import unittest2 as unittest

  27. except ImportError:

  28.     import unittest

  29. 

  30. from mwparserfromhell.compat import str

  31. from mwparserfromhell.nodes import Tag, Template, Text

  32. from mwparserfromhell.nodes.extras import Attribute

  33. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  34. 

  35. agen = lambda name, value: Attribute(wraptext(name), wraptext(value))

  36. agennv = lambda name: Attribute(wraptext(name))

  37. agennq = lambda name, value: Attribute(wraptext(name), wraptext(value), None)

  38. agenp = lambda name, v, a, b, c: Attribute(wraptext(name), v, '"', a, b, c)

  39. agenpnv = lambda name, a, b, c: Attribute(wraptext(name), None, '"', a, b, c)

  40. 

  41. class TestTag(TreeEqualityTestCase):

  42.     """Test cases for the Tag node."""

  43. 

  44.     def test_unicode(self):

  45.         """test Tag.__unicode__()"""

  46.         node1 = Tag(wraptext("ref"))

  47.         node2 = Tag(wraptext("span"), wraptext("foo"),

  48.                     [agen("style", "color: red;")])

  49.         node3 = Tag(wraptext("ref"),

  50.                     attrs=[agennq("name", "foo"),

  51.                            agenpnv("some_attr", "   ", "", "")],

  52.                     self_closing=True)

  53.         node4 = Tag(wraptext("br"), self_closing=True, padding=" ")

  54.         node5 = Tag(wraptext("br"), self_closing=True, implicit=True)

  55.         node6 = Tag(wraptext("br"), self_closing=True, invalid=True,

  56.                     implicit=True)

  57.         node7 = Tag(wraptext("br"), self_closing=True, invalid=True,

  58.                     padding=" ")

  59.         node8 = Tag(wraptext("hr"), wiki_markup="----", self_closing=True)

  60.         node9 = Tag(wraptext("i"), wraptext("italics!"), wiki_markup="''")

  61. 

  62.         self.assertEqual("<ref></ref>", str(node1))

  63.         self.assertEqual('<span style="color: red;">foo</span>', str(node2))

  64.         self.assertEqual("<ref name=foo   some_attr/>", str(node3))

  65.         self.assertEqual("<br />", str(node4))

  66.         self.assertEqual("<br>", str(node5))

  67.         self.assertEqual("</br>", str(node6))

  68.         self.assertEqual("</br />", str(node7))

  69.         self.assertEqual("----", str(node8))

  70.         self.assertEqual("''italics!''", str(node9))

  71. 

  72.     def test_children(self):

  73.         """test Tag.__children__()"""

  74.         # <ref>foobar</ref>

  75.         node1 = Tag(wraptext("ref"), wraptext("foobar"))

  76.         # '''bold text'''

  77.         node2 = Tag(wraptext("b"), wraptext("bold text"), wiki_markup="'''")

  78.         # <img id="foo" class="bar" selected />

  79.         node3 = Tag(wraptext("img"),

  80.                     attrs=[agen("id", "foo"), agen("class", "bar"),

  81.                            agennv("selected")],

  82.                     self_closing=True, padding=" ")

  83. 

  84.         gen1 = node1.__children__()

  85.         gen2 = node2.__children__()

  86.         gen3 = node3.__children__()

  87.         self.assertEqual(node1.tag, next(gen1))

  88.         self.assertEqual(node3.tag, next(gen3))

  89.         self.assertEqual(node3.attributes[0].name, next(gen3))

  90.         self.assertEqual(node3.attributes[0].value, next(gen3))

  91.         self.assertEqual(node3.attributes[1].name, next(gen3))

  92.         self.assertEqual(node3.attributes[1].value, next(gen3))

  93.         self.assertEqual(node3.attributes[2].name, next(gen3))

  94.         self.assertEqual(node1.contents, next(gen1))

  95.         self.assertEqual(node2.contents, next(gen2))

  96.         self.assertEqual(node1.closing_tag, next(gen1))

  97.         self.assertRaises(StopIteration, next, gen1)

  98.         self.assertRaises(StopIteration, next, gen2)

  99.         self.assertRaises(StopIteration, next, gen3)

  100. 

  101.     def test_strip(self):

  102.         """test Tag.__strip__()"""

  103.         node1 = Tag(wraptext("i"), wraptext("foobar"))

  104.         node2 = Tag(wraptext("math"), wraptext("foobar"))

  105.         node3 = Tag(wraptext("br"), self_closing=True)

  106.         for a in (True, False):

  107.             for b in (True, False):

  108.                 self.assertEqual("foobar", node1.__strip__(a, b))

  109.                 self.assertEqual(None, node2.__strip__(a, b))

  110.                 self.assertEqual(None, node3.__strip__(a, b))

  111. 

  112.     def test_showtree(self):

  113.         """test Tag.__showtree__()"""

  114.         output = []

  115.         getter, marker = object(), object()

  116.         get = lambda code: output.append((getter, code))

  117.         mark = lambda: output.append(marker)

  118.         node1 = Tag(wraptext("ref"), wraptext("text"),

  119.                     [agen("name", "foo"), agennv("selected")])

  120.         node2 = Tag(wraptext("br"), self_closing=True, padding=" ")

  121.         node3 = Tag(wraptext("br"), self_closing=True, invalid=True,

  122.                     implicit=True, padding=" ")

  123.         node1.__showtree__(output.append, get, mark)

  124.         node2.__showtree__(output.append, get, mark)

  125.         node3.__showtree__(output.append, get, mark)

  126.         valid = [

  127.             "<", (getter, node1.tag), (getter, node1.attributes[0].name),

  128.             "    = ", marker, (getter, node1.attributes[0].value),

  129.             (getter, node1.attributes[1].name), ">", (getter, node1.contents),

  130.             "</", (getter, node1.closing_tag), ">", "<", (getter, node2.tag),

  131.             "/>", "</", (getter, node3.tag), ">"]

  132.         self.assertEqual(valid, output)

  133. 

  134.     def test_tag(self):

  135.         """test getter/setter for the tag attribute"""

  136.         tag = wraptext("ref")

  137.         node = Tag(tag, wraptext("text"))

  138.         self.assertIs(tag, node.tag)

  139.         self.assertIs(tag, node.closing_tag)

  140.         node.tag = "span"

  141.         self.assertWikicodeEqual(wraptext("span"), node.tag)

  142.         self.assertWikicodeEqual(wraptext("span"), node.closing_tag)

  143.         self.assertEqual("<span>text</span>", node)

  144. 

  145.     def test_contents(self):

  146.         """test getter/setter for the contents attribute"""

  147.         contents = wraptext("text")

  148.         node = Tag(wraptext("ref"), contents)

  149.         self.assertIs(contents, node.contents)

  150.         node.contents = "text and a {{template}}"

  151.         parsed = wrap([Text("text and a "), Template(wraptext("template"))])

  152.         self.assertWikicodeEqual(parsed, node.contents)

  153.         self.assertEqual("<ref>text and a {{template}}</ref>", node)

  154. 

  155.     def test_attributes(self):

  156.         """test getter for the attributes attribute"""

  157.         attrs = [agen("name", "bar")]

  158.         node1 = Tag(wraptext("ref"), wraptext("foo"))

  159.         node2 = Tag(wraptext("ref"), wraptext("foo"), attrs)

  160.         self.assertEqual([], node1.attributes)

  161.         self.assertIs(attrs, node2.attributes)

  162. 

  163.     def test_wiki_markup(self):

  164.         """test getter/setter for the wiki_markup attribute"""

  165.         node = Tag(wraptext("i"), wraptext("italic text"))

  166.         self.assertIs(None, node.wiki_markup)

  167.         node.wiki_markup = "''"

  168.         self.assertEqual("''", node.wiki_markup)

  169.         self.assertEqual("''italic text''", node)

  170.         node.wiki_markup = False

  171.         self.assertFalse(node.wiki_markup)

  172.         self.assertEqual("<i>italic text</i>", node)

  173. 

  174.     def test_closing_wiki_markup(self):

  175.         """test getter/setter behavior for closing_wiki_markup attribute"""

  176.         node = Tag(wraptext("table"), wraptext("\n"))

  177.         self.assertIs(None, node.closing_wiki_markup)

  178.         node.wiki_markup = "{|"

  179.         self.assertEqual("{|", node.closing_wiki_markup)

  180.         node.closing_wiki_markup = "|}"

  181.         self.assertEqual("|}", node.closing_wiki_markup)

  182.         self.assertEqual("{|\n|}", node)

  183.         node.wiki_markup = False

  184.         self.assertFalse(node.closing_wiki_markup)

  185.         self.assertEqual("<table>\n</table>", node)

  186. 

  187.     def test_self_closing(self):

  188.         """test getter/setter for the self_closing attribute"""

  189.         node = Tag(wraptext("ref"), wraptext("foobar"))

  190.         self.assertFalse(node.self_closing)

  191.         node.self_closing = True

  192.         self.assertTrue(node.self_closing)

  193.         self.assertEqual("<ref/>", node)

  194.         node.self_closing = 0

  195.         self.assertFalse(node.self_closing)

  196.         self.assertEqual("<ref>foobar</ref>", node)

  197. 

  198.     def test_invalid(self):

  199.         """test getter/setter for the invalid attribute"""

  200.         node = Tag(wraptext("br"), self_closing=True, implicit=True)

  201.         self.assertFalse(node.invalid)

  202.         node.invalid = True

  203.         self.assertTrue(node.invalid)

  204.         self.assertEqual("</br>", node)

  205.         node.invalid = 0

  206.         self.assertFalse(node.invalid)

  207.         self.assertEqual("<br>", node)

  208. 

  209.     def test_implicit(self):

  210.         """test getter/setter for the implicit attribute"""

  211.         node = Tag(wraptext("br"), self_closing=True)

  212.         self.assertFalse(node.implicit)

  213.         node.implicit = True

  214.         self.assertTrue(node.implicit)

  215.         self.assertEqual("<br>", node)

  216.         node.implicit = 0

  217.         self.assertFalse(node.implicit)

  218.         self.assertEqual("<br/>", node)

  219. 

  220.     def test_padding(self):

  221.         """test getter/setter for the padding attribute"""

  222.         node = Tag(wraptext("ref"), wraptext("foobar"))

  223.         self.assertEqual("", node.padding)

  224.         node.padding = "  "

  225.         self.assertEqual("  ", node.padding)

  226.         self.assertEqual("<ref  >foobar</ref>", node)

  227.         node.padding = None

  228.         self.assertEqual("", node.padding)

  229.         self.assertEqual("<ref>foobar</ref>", node)

  230.         self.assertRaises(ValueError, setattr, node, "padding", True)

  231. 

  232.     def test_closing_tag(self):

  233.         """test getter/setter for the closing_tag attribute"""

  234.         tag = wraptext("ref")

  235.         node = Tag(tag, wraptext("foobar"))

  236.         self.assertIs(tag, node.closing_tag)

  237.         node.closing_tag = "ref {{ignore me}}"

  238.         parsed = wrap([Text("ref "), Template(wraptext("ignore me"))])

  239.         self.assertWikicodeEqual(parsed, node.closing_tag)

  240.         self.assertEqual("<ref>foobar</ref {{ignore me}}>", node)

  241. 

  242.     def test_has(self):

  243.         """test Tag.has()"""

  244.         node = Tag(wraptext("ref"), wraptext("cite"), [agen("name", "foo")])

  245.         self.assertTrue(node.has("name"))

  246.         self.assertTrue(node.has("  name  "))

  247.         self.assertTrue(node.has(wraptext("name")))

  248.         self.assertFalse(node.has("Name"))

  249.         self.assertFalse(node.has("foo"))

  250. 

  251.         attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),

  252.                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]

  253.         node2 = Tag(wraptext("div"), attrs=attrs, self_closing=True)

  254.         self.assertTrue(node2.has("id"))

  255.         self.assertTrue(node2.has("class"))

  256.         self.assertTrue(node2.has(attrs[1].pad_first + str(attrs[1].name) +

  257.                                   attrs[1].pad_before_eq))

  258.         self.assertTrue(node2.has(attrs[3]))

  259.         self.assertTrue(node2.has(str(attrs[3])))

  260.         self.assertFalse(node2.has("idclass"))

  261.         self.assertFalse(node2.has("id class"))

  262.         self.assertFalse(node2.has("id=foo"))

  263. 

  264.     def test_get(self):

  265.         """test Tag.get()"""

  266.         attrs = [agen("name", "foo")]

  267.         node = Tag(wraptext("ref"), wraptext("cite"), attrs)

  268.         self.assertIs(attrs[0], node.get("name"))

  269.         self.assertIs(attrs[0], node.get("  name  "))

  270.         self.assertIs(attrs[0], node.get(wraptext("name")))

  271.         self.assertRaises(ValueError, node.get, "Name")

  272.         self.assertRaises(ValueError, node.get, "foo")

  273. 

  274.         attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),

  275.                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]

  276.         node2 = Tag(wraptext("div"), attrs=attrs, self_closing=True)

  277.         self.assertIs(attrs[0], node2.get("id"))

  278.         self.assertIs(attrs[1], node2.get("class"))

  279.         self.assertIs(attrs[1], node2.get(

  280.             attrs[1].pad_first + str(attrs[1].name) + attrs[1].pad_before_eq))

  281.         self.assertIs(attrs[3], node2.get(attrs[3]))

  282.         self.assertIs(attrs[3], node2.get(str(attrs[3])))

  283.         self.assertIs(attrs[3], node2.get(" foo"))

  284.         self.assertRaises(ValueError, node2.get, "idclass")

  285.         self.assertRaises(ValueError, node2.get, "id class")

  286.         self.assertRaises(ValueError, node2.get, "id=foo")

  287. 

  288.     def test_add(self):

  289.         """test Tag.add()"""

  290.         node = Tag(wraptext("ref"), wraptext("cite"))

  291.         node.add("name", "value")

  292.         node.add("name", "value", quotes=None)

  293.         node.add("name", "value", quotes="'")

  294.         node.add("name")

  295.         node.add(1, False)

  296.         node.add("style", "{{foobar}}")

  297.         node.add("name", "value", '"', "\n", " ", "   ")

  298.         attr1 = ' name="value"'

  299.         attr2 = " name=value"

  300.         attr3 = " name='value'"

  301.         attr4 = " name"

  302.         attr5 = ' 1="False"'

  303.         attr6 = ' style="{{foobar}}"'

  304.         attr7 = '\nname =   "value"'

  305.         self.assertEqual(attr1, node.attributes[0])

  306.         self.assertEqual(attr2, node.attributes[1])

  307.         self.assertEqual(attr3, node.attributes[2])

  308.         self.assertEqual(attr4, node.attributes[3])

  309.         self.assertEqual(attr5, node.attributes[4])

  310.         self.assertEqual(attr6, node.attributes[5])

  311.         self.assertEqual(attr7, node.attributes[6])

  312.         self.assertEqual(attr7, node.get("name"))

  313.         self.assertWikicodeEqual(wrap([Template(wraptext("foobar"))]),

  314.                                  node.attributes[5].value)

  315.         self.assertEqual("".join(("<ref", attr1, attr2, attr3, attr4, attr5,

  316.                                   attr6, attr7, ">cite</ref>")), node)

  317.         self.assertRaises(ValueError, node.add, "name", "foo", quotes="bar")

  318.         self.assertRaises(ValueError, node.add, "name", "a bc d", quotes=None)

  319. 

  320.     def test_remove(self):

  321.         """test Tag.remove()"""

  322.         attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),

  323.                  agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]

  324.         node = Tag(wraptext("div"), attrs=attrs, self_closing=True)

  325.         node.remove("class")

  326.         self.assertEqual('<div id="foo" foo="bar" foo  \n />', node)

  327.         node.remove("foo")

  328.         self.assertEqual('<div id="foo"/>', node)

  329.         self.assertRaises(ValueError, node.remove, "foo")

  330.         node.remove("id")

  331.         self.assertEqual('<div/>', node)

  332. 

  333. if __name__ == "__main__":

  334.     unittest.main(verbosity=2)