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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. # Copyright (C) 2012-2020 Ben Kurtovic <ben.kurtovic@gmail.com>

  2. #

  3. # Permission is hereby granted, free of charge, to any person obtaining a copy

  4. # of this software and associated documentation files (the "Software"), to deal

  5. # in the Software without restriction, including without limitation the rights

  6. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  7. # copies of the Software, and to permit persons to whom the Software is

  8. # furnished to do so, subject to the following conditions:

  9. #

  10. # The above copyright notice and this permission notice shall be included in

  11. # all copies or substantial portions of the Software.

  12. #

  13. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  14. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  15. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  16. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  17. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  18. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  19. # SOFTWARE.

  20. 

  21. import unittest

  22. 

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

  24. from mwparserfromhell.nodes.extras import Attribute

  25. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  26. 

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

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

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

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

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

  32. 

  33. class TestTag(TreeEqualityTestCase):

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

  35. 

  36.     def test_str(self):

  37.         """test Tag.__str__()"""

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

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

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

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

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

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

  44.                     self_closing=True)

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

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

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

  48.                     implicit=True)

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

  50.                     padding=" ")

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

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

  53. 

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

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

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

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

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

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

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

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

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

  63. 

  64.     def test_children(self):

  65.         """test Tag.__children__()"""

  66.         # <ref>foobar</ref>

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

  68.         # '''bold text'''

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

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

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

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

  73.                            agennv("selected")],

  74.                     self_closing=True, padding=" ")

  75. 

  76.         gen1 = node1.__children__()

  77.         gen2 = node2.__children__()

  78.         gen3 = node3.__children__()

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

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

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

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

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

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

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

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

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

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

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

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

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

  92. 

  93.     def test_strip(self):

  94.         """test Tag.__strip__()"""

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

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

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

  98. 

  99.         self.assertEqual("foobar", node1.__strip__())

  100.         self.assertEqual(None, node2.__strip__())

  101.         self.assertEqual(None, node3.__strip__())

  102. 

  103.     def test_showtree(self):

  104.         """test Tag.__showtree__()"""

  105.         output = []

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

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

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

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

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

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

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

  113.                     implicit=True, padding=" ")

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

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

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

  117.         valid = [

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

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

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

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

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

  123.         self.assertEqual(valid, output)

  124. 

  125.     def test_tag(self):

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

  127.         tag = wraptext("ref")

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

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

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

  131.         node.tag = "span"

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

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

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

  135. 

  136.     def test_contents(self):

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

  138.         contents = wraptext("text")

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

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

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

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

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

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

  145. 

  146.     def test_attributes(self):

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

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

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

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

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

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

  153. 

  154.     def test_wiki_markup(self):

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

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

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

  158.         node.wiki_markup = "''"

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

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

  161.         node.wiki_markup = False

  162.         self.assertFalse(node.wiki_markup)

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

  164. 

  165.     def test_self_closing(self):

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

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

  168.         self.assertFalse(node.self_closing)

  169.         node.self_closing = True

  170.         self.assertTrue(node.self_closing)

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

  172.         node.self_closing = 0

  173.         self.assertFalse(node.self_closing)

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

  175. 

  176.     def test_invalid(self):

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

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

  179.         self.assertFalse(node.invalid)

  180.         node.invalid = True

  181.         self.assertTrue(node.invalid)

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

  183.         node.invalid = 0

  184.         self.assertFalse(node.invalid)

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

  186. 

  187.     def test_implicit(self):

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

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

  190.         self.assertFalse(node.implicit)

  191.         node.implicit = True

  192.         self.assertTrue(node.implicit)

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

  194.         node.implicit = 0

  195.         self.assertFalse(node.implicit)

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

  197. 

  198.     def test_padding(self):

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

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

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

  202.         node.padding = "  "

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

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

  205.         node.padding = None

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

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

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

  209. 

  210.     def test_closing_tag(self):

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

  212.         tag = wraptext("ref")

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

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

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

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

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

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

  219. 

  220.     def test_wiki_style_separator(self):

  221.         """test getter/setter for wiki_style_separator attribute"""

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

  223.         self.assertIs(None, node.wiki_style_separator)

  224.         node.wiki_style_separator = "|"

  225.         self.assertEqual("|", node.wiki_style_separator)

  226.         node.wiki_markup = "{"

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

  228.         node2 = Tag(wraptext("table"), wraptext("\n"), wiki_style_separator="|")

  229.         self.assertEqual("|", node2.wiki_style_separator)

  230. 

  231.     def test_closing_wiki_markup(self):

  232.         """test getter/setter for closing_wiki_markup attribute"""

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

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

  235.         node.wiki_markup = "{|"

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

  237.         node.closing_wiki_markup = "|}"

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

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

  240.         node.wiki_markup = "!!"

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

  242.         self.assertEqual("!!\n|}", node)

  243.         node.wiki_markup = False

  244.         self.assertFalse(node.closing_wiki_markup)

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

  246.         node2 = Tag(wraptext("table"), wraptext("\n"),

  247.                     attrs=[agen("id", "foo")], wiki_markup="{|",

  248.                     closing_wiki_markup="|}")

  249.         self.assertEqual("|}", node2.closing_wiki_markup)

  250.         self.assertEqual('{| id="foo"\n|}', node2)

  251. 

  252.     def test_has(self):

  253.         """test Tag.has()"""

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

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

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

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

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

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

  260. 

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

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

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

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

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

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

  267.                                   attrs[1].pad_before_eq))

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

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

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

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

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

  273. 

  274.     def test_get(self):

  275.         """test Tag.get()"""

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

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

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

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

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

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

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

  283. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  297. 

  298.     def test_add(self):

  299.         """test Tag.add()"""

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

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

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

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

  304.         node.add("name")

  305.         node.add(1, False)

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

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

  308.         attr1 = ' name="value"'

  309.         attr2 = " name=value"

  310.         attr3 = " name='value'"

  311.         attr4 = " name"

  312.         attr5 = ' 1="False"'

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

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

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

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

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

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

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

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

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

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

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

  324.                                  node.attributes[5].value)

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

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

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

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

  329. 

  330.     def test_remove(self):

  331.         """test Tag.remove()"""

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

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

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

  335.         node.remove("class")

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

  337.         node.remove("foo")

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

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

  340.         node.remove("id")

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

  342. 

  343. if __name__ == "__main__":

  344.     unittest.main(verbosity=2)