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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. agennq = lambda name, value: Attribute(wraptext(name), wraptext(value), False)

  37. agenp = lambda name, v, a, b, c: Attribute(wraptext(name), v, True, a, b, c)

  38. agenpnv = lambda name, a, b, c: Attribute(wraptext(name), None, True, a, b, c)

  39. 

  40. class TestTag(TreeEqualityTestCase):

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

  42. 

  43.     def test_unicode(self):

  44.         """test Tag.__unicode__()"""

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

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

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

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

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

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

  51.                     self_closing=True)

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

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

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

  55.                     implicit=True)

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

  57.                     padding=" ")

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

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

  60. 

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

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

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

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

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

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

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

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

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

  70. 

  71.     def test_children(self):

  72.         """test Tag.__children__()"""

  73.         # <ref>foobar</ref>

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

  75.         # '''bold text'''

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

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

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

  79.                     attrs=[Attribute(wraptext("id"), wraptext("foo")),

  80.                            Attribute(wraptext("class"), wraptext("bar"))],

  81.                     self_closing=True, padding=" ")

  82. 

  83.         gen1 = node1.__children__()

  84.         gen2 = node2.__children__()

  85.         gen3 = node3.__children__()

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

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

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

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

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

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

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

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

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

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

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

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

  98. 

  99.     def test_strip(self):

  100.         """test Tag.__strip__()"""

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

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

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

  104.         for a in (True, False):

  105.             for b in (True, False):

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

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

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

  109. 

  110.     def test_showtree(self):

  111.         """test Tag.__showtree__()"""

  112.         output = []

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

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

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

  116.         node1 = Tag(wraptext("ref"), wraptext("text"), [agen("name", "foo")])

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

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

  119.                     implicit=True, padding=" ")

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

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

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

  123.         valid = [

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

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

  126.             (getter, node1.contents), "</", (getter, node1.closing_tag), ">",

  127.             "<", (getter, node2.tag), "/>", "</", (getter, node3.tag), ">"]

  128.         self.assertEqual(valid, output)

  129. 

  130.     def test_tag(self):

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

  132.         tag = wraptext("ref")

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

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

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

  136.         node.tag = "span"

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

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

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

  140. 

  141.     def test_contents(self):

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

  143.         contents = wraptext("text")

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

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

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

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

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

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

  150. 

  151.     def test_attributes(self):

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

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

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

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

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

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

  158. 

  159.     def test_wiki_markup(self):

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

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

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

  163.         node.wiki_markup = "''"

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

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

  166.         node.wiki_markup = False

  167.         self.assertFalse(node.wiki_markup)

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

  169. 

  170.     def test_self_closing(self):

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

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

  173.         self.assertFalse(node.self_closing)

  174.         node.self_closing = True

  175.         self.assertTrue(node.self_closing)

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

  177.         node.self_closing = 0

  178.         self.assertFalse(node.self_closing)

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

  180. 

  181.     def test_invalid(self):

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

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

  184.         self.assertFalse(node.invalid)

  185.         node.invalid = True

  186.         self.assertTrue(node.invalid)

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

  188.         node.invalid = 0

  189.         self.assertFalse(node.invalid)

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

  191. 

  192.     def test_implicit(self):

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

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

  195.         self.assertFalse(node.implicit)

  196.         node.implicit = True

  197.         self.assertTrue(node.implicit)

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

  199.         node.implicit = 0

  200.         self.assertFalse(node.implicit)

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

  202. 

  203.     def test_padding(self):

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

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

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

  207.         node.padding = "  "

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

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

  210.         node.padding = None

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

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

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

  214. 

  215.     def test_closing_tag(self):

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

  217.         tag = wraptext("ref")

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

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

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

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

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

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

  224. 

  225.     def test_has(self):

  226.         """test Tag.has()"""

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

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

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

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

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

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

  233. 

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

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

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

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

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

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

  240.                                   attrs[1].pad_before_eq))

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

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

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

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

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

  246. 

  247.     def test_get(self):

  248.         """test Tag.get()"""

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

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

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

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

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

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

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

  256. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  270. 

  271.     def test_add(self):

  272.         """test Tag.add()"""

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

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

  275.         node.add("name", "value", quoted=False)

  276.         node.add("name")

  277.         node.add(1, False)

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

  279.         node.add("name", "value", True, "\n", " ", "   ")

  280.         attr1 = ' name="value"'

  281.         attr2 = " name=value"

  282.         attr3 = " name"

  283.         attr4 = ' 1="False"'

  284.         attr5 = ' style="{{foobar}}"'

  285.         attr6 = '\nname =   "value"'

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

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

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

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

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

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

  292.         self.assertEqual(attr6, node.get("name"))

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

  294.                                  node.attributes[4].value)

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

  296.                                   attr6, ">cite</ref>")), node)

  297. 

  298.     def test_remove(self):

  299.         """test Tag.remove()"""

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

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

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

  303.         node.remove("class")

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

  305.         node.remove("foo")

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

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

  308.         node.remove("id")

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

  310. 

  311. if __name__ == "__main__":

  312.     unittest.main(verbosity=2)