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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. import unittest

  25. 

  26. from mwparserfromhell.compat import str

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

  28. from mwparserfromhell.nodes.extras import Attribute

  29. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  30. 

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

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

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

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

  35. 

  36. class TestTag(TreeEqualityTestCase):

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

  38. 

  39.     def test_unicode(self):

  40.         """test Tag.__unicode__()"""

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

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

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

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

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

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

  47.                     self_closing=True)

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

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

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

  51.                     implicit=True)

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

  53.                     padding=" ")

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

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

  56. 

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

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

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

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

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

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

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

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

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

  66. 

  67.     def test_children(self):

  68.         """test Tag.__children__()"""

  69.         # <ref>foobar</ref>

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

  71.         # '''bold text'''

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

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

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

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

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

  77.                     self_closing=True, padding=" ")

  78. 

  79.         gen1 = node1.__children__()

  80.         gen2 = node2.__children__()

  81.         gen3 = node3.__children__()

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

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

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

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

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

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

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

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

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

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

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

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

  94. 

  95.     def test_strip(self):

  96.         """test Tag.__strip__()"""

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

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

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

  100.         for a in (True, False):

  101.             for b in (True, False):

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

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

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

  105. 

  106.     def test_showtree(self):

  107.         """test Tag.__showtree__()"""

  108.         output = []

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

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

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

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

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

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

  115.                     implicit=True, padding=" ")

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

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

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

  119.         valid = [

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

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

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

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

  124.         self.assertEqual(valid, output)

  125. 

  126.     def test_tag(self):

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

  128.         tag = wraptext("ref")

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

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

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

  132.         node.tag = "span"

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

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

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

  136. 

  137.     def test_contents(self):

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

  139.         contents = wraptext("text")

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

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

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

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

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

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

  146. 

  147.     def test_attributes(self):

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

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

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

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

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

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

  154. 

  155.     def test_wiki_markup(self):

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

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

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

  159.         node.wiki_markup = "''"

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

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

  162.         node.wiki_markup = False

  163.         self.assertFalse(node.wiki_markup)

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

  165. 

  166.     def test_self_closing(self):

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

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

  169.         self.assertFalse(node.self_closing)

  170.         node.self_closing = True

  171.         self.assertTrue(node.self_closing)

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

  173.         node.self_closing = 0

  174.         self.assertFalse(node.self_closing)

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

  176. 

  177.     def test_invalid(self):

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

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

  180.         self.assertFalse(node.invalid)

  181.         node.invalid = True

  182.         self.assertTrue(node.invalid)

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

  184.         node.invalid = 0

  185.         self.assertFalse(node.invalid)

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

  187. 

  188.     def test_implicit(self):

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

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

  191.         self.assertFalse(node.implicit)

  192.         node.implicit = True

  193.         self.assertTrue(node.implicit)

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

  195.         node.implicit = 0

  196.         self.assertFalse(node.implicit)

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

  198. 

  199.     def test_padding(self):

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

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

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

  203.         node.padding = "  "

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

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

  206.         node.padding = None

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

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

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

  210. 

  211.     def test_closing_tag(self):

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

  213.         tag = wraptext("ref")

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

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

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

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

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

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

  220. 

  221.     def test_has(self):

  222.         """test Tag.has()"""

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

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

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

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

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

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

  229. 

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

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

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

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

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

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

  236.                                   attrs[1].pad_before_eq))

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

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

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

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

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

  242. 

  243.     def test_get(self):

  244.         """test Tag.get()"""

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

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

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

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

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

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

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

  252. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  266. 

  267.     def test_add(self):

  268.         """test Tag.add()"""

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

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

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

  272.         node.add("name")

  273.         node.add(1, False)

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

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

  276.         attr1 = ' name="value"'

  277.         attr2 = " name=value"

  278.         attr3 = " name"

  279.         attr4 = ' 1="False"'

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

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

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

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

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

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

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

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

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

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

  290.                                  node.attributes[4].value)

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

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

  293. 

  294.     def test_remove(self):

  295.         """test Tag.remove()"""

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

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

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

  299.         node.remove("class")

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

  301.         node.remove("foo")

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

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

  304.         node.remove("id")

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

  306. 

  307. if __name__ == "__main__":

  308.     unittest.main(verbosity=2)