A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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  1. # -*- coding: utf-8 -*-
  2. #
  3. # Copyright (C) 2012-2013 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. import unittest
  24. from mwparserfromhell.compat import str
  25. from mwparserfromhell.nodes import Argument, Text
  26. from ._test_tree_equality import TreeEqualityTestCase, getnodes, wrap, wraptext
  27. class TestArgument(TreeEqualityTestCase):
  28. """Test cases for the Argument node."""
  29. def test_unicode(self):
  30. """test Argument.__unicode__()"""
  31. node = Argument(wraptext("foobar"))
  32. self.assertEqual("{{{foobar}}}", str(node))
  33. node2 = Argument(wraptext("foo"), wraptext("bar"))
  34. self.assertEqual("{{{foo|bar}}}", str(node2))
  35. def test_iternodes(self):
  36. """test Argument.__iternodes__()"""
  37. node1n1 = Text("foobar")
  38. node2n1, node2n2, node2n3 = Text("foo"), Text("bar"), Text("baz")
  39. node1 = Argument(wrap([node1n1]))
  40. node2 = Argument(wrap([node2n1]), wrap([node2n2, node2n3]))
  41. gen1 = node1.__iternodes__(getnodes)
  42. gen2 = node2.__iternodes__(getnodes)
  43. self.assertEqual((None, node1), next(gen1))
  44. self.assertEqual((None, node2), next(gen2))
  45. self.assertEqual((node1.name, node1n1), next(gen1))
  46. self.assertEqual((node2.name, node2n1), next(gen2))
  47. self.assertEqual((node2.default, node2n2), next(gen2))
  48. self.assertEqual((node2.default, node2n3), next(gen2))
  49. self.assertRaises(StopIteration, next, gen1)
  50. self.assertRaises(StopIteration, next, gen2)
  51. def test_strip(self):
  52. """test Argument.__strip__()"""
  53. node = Argument(wraptext("foobar"))
  54. node2 = Argument(wraptext("foo"), wraptext("bar"))
  55. for a in (True, False):
  56. for b in (True, False):
  57. self.assertIs(None, node.__strip__(a, b))
  58. self.assertEqual("bar", node2.__strip__(a, b))
  59. def test_showtree(self):
  60. """test Argument.__showtree__()"""
  61. output = []
  62. getter, marker = object(), object()
  63. get = lambda code: output.append((getter, code))
  64. mark = lambda: output.append(marker)
  65. node1 = Argument(wraptext("foobar"))
  66. node2 = Argument(wraptext("foo"), wraptext("bar"))
  67. node1.__showtree__(output.append, get, mark)
  68. node2.__showtree__(output.append, get, mark)
  69. valid = [
  70. "{{{", (getter, node1.name), "}}}", "{{{", (getter, node2.name),
  71. " | ", marker, (getter, node2.default), "}}}"]
  72. self.assertEqual(valid, output)
  73. def test_name(self):
  74. """test getter/setter for the name attribute"""
  75. name = wraptext("foobar")
  76. node1 = Argument(name)
  77. node2 = Argument(name, wraptext("baz"))
  78. self.assertIs(name, node1.name)
  79. self.assertIs(name, node2.name)
  80. node1.name = "héhehé"
  81. node2.name = "héhehé"
  82. self.assertWikicodeEqual(wraptext("héhehé"), node1.name)
  83. self.assertWikicodeEqual(wraptext("héhehé"), node2.name)
  84. def test_default(self):
  85. """test getter/setter for the default attribute"""
  86. default = wraptext("baz")
  87. node1 = Argument(wraptext("foobar"))
  88. node2 = Argument(wraptext("foobar"), default)
  89. self.assertIs(None, node1.default)
  90. self.assertIs(default, node2.default)
  91. node1.default = "buzz"
  92. node2.default = None
  93. self.assertWikicodeEqual(wraptext("buzz"), node1.default)
  94. self.assertIs(None, node2.default)
  95. if __name__ == "__main__":
  96. unittest.main(verbosity=2)