A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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  1. # -*- coding: utf-8 -*-
  2. #
  3. # Copyright (C) 2012-2016 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. from __future__ import unicode_literals
  23. try:
  24. import unittest2 as unittest
  25. except ImportError:
  26. import unittest
  27. from mwparserfromhell.compat import str
  28. from mwparserfromhell.nodes import Argument, Text
  29. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
  30. class TestArgument(TreeEqualityTestCase):
  31. """Test cases for the Argument node."""
  32. def test_unicode(self):
  33. """test Argument.__unicode__()"""
  34. node = Argument(wraptext("foobar"))
  35. self.assertEqual("{{{foobar}}}", str(node))
  36. node2 = Argument(wraptext("foo"), wraptext("bar"))
  37. self.assertEqual("{{{foo|bar}}}", str(node2))
  38. def test_children(self):
  39. """test Argument.__children__()"""
  40. node1 = Argument(wraptext("foobar"))
  41. node2 = Argument(wraptext("foo"), wrap([Text("bar"), Text("baz")]))
  42. gen1 = node1.__children__()
  43. gen2 = node2.__children__()
  44. self.assertIs(node1.name, next(gen1))
  45. self.assertIs(node2.name, next(gen2))
  46. self.assertIs(node2.default, next(gen2))
  47. self.assertRaises(StopIteration, next, gen1)
  48. self.assertRaises(StopIteration, next, gen2)
  49. def test_strip(self):
  50. """test Argument.__strip__()"""
  51. node = Argument(wraptext("foobar"))
  52. node2 = Argument(wraptext("foo"), wraptext("bar"))
  53. for a in (True, False):
  54. for b in (True, False):
  55. self.assertIs(None, node.__strip__(a, b))
  56. self.assertEqual("bar", node2.__strip__(a, b))
  57. def test_showtree(self):
  58. """test Argument.__showtree__()"""
  59. output = []
  60. getter, marker = object(), object()
  61. get = lambda code: output.append((getter, code))
  62. mark = lambda: output.append(marker)
  63. node1 = Argument(wraptext("foobar"))
  64. node2 = Argument(wraptext("foo"), wraptext("bar"))
  65. node1.__showtree__(output.append, get, mark)
  66. node2.__showtree__(output.append, get, mark)
  67. valid = [
  68. "{{{", (getter, node1.name), "}}}", "{{{", (getter, node2.name),
  69. " | ", marker, (getter, node2.default), "}}}"]
  70. self.assertEqual(valid, output)
  71. def test_name(self):
  72. """test getter/setter for the name attribute"""
  73. name = wraptext("foobar")
  74. node1 = Argument(name)
  75. node2 = Argument(name, wraptext("baz"))
  76. self.assertIs(name, node1.name)
  77. self.assertIs(name, node2.name)
  78. node1.name = "héhehé"
  79. node2.name = "héhehé"
  80. self.assertWikicodeEqual(wraptext("héhehé"), node1.name)
  81. self.assertWikicodeEqual(wraptext("héhehé"), node2.name)
  82. def test_default(self):
  83. """test getter/setter for the default attribute"""
  84. default = wraptext("baz")
  85. node1 = Argument(wraptext("foobar"))
  86. node2 = Argument(wraptext("foobar"), default)
  87. self.assertIs(None, node1.default)
  88. self.assertIs(default, node2.default)
  89. node1.default = "buzz"
  90. node2.default = None
  91. self.assertWikicodeEqual(wraptext("buzz"), node1.default)
  92. self.assertIs(None, node2.default)
  93. if __name__ == "__main__":
  94. unittest.main(verbosity=2)