A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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  1. #
  2. # Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>
  3. #
  4. # Permission is hereby granted, free of charge, to any person obtaining a copy
  5. # of this software and associated documentation files (the "Software"), to deal
  6. # in the Software without restriction, including without limitation the rights
  7. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  8. # copies of the Software, and to permit persons to whom the Software is
  9. # furnished to do so, subject to the following conditions:
  10. #
  11. # The above copyright notice and this permission notice shall be included in
  12. # all copies or substantial portions of the Software.
  13. #
  14. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20. # SOFTWARE.
  21. import pytest
  22. from mwparserfromhell.nodes import Argument, Text
  23. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext
  24. class TestArgument(TreeEqualityTestCase):
  25. """Test cases for the Argument node."""
  26. def test_unicode(self):
  27. """test Argument.__unicode__()"""
  28. node = Argument(wraptext("foobar"))
  29. assert "{{{foobar}}}" == str(node)
  30. node2 = Argument(wraptext("foo"), wraptext("bar"))
  31. assert "{{{foo|bar}}}" == str(node2)
  32. def test_children(self):
  33. """test Argument.__children__()"""
  34. node1 = Argument(wraptext("foobar"))
  35. node2 = Argument(wraptext("foo"), wrap([Text("bar"), Text("baz")]))
  36. gen1 = node1.__children__()
  37. gen2 = node2.__children__()
  38. assert node1.name is next(gen1)
  39. assert node2.name is next(gen2)
  40. assert node2.default is next(gen2)
  41. with pytest.raises(StopIteration):
  42. next(gen1)
  43. with pytest.raises(StopIteration):
  44. next(gen2)
  45. def test_strip(self):
  46. """test Argument.__strip__()"""
  47. node1 = Argument(wraptext("foobar"))
  48. node2 = Argument(wraptext("foo"), wraptext("bar"))
  49. assert node1.__strip__() is None
  50. assert "bar" == node2.__strip__()
  51. def test_showtree(self):
  52. """test Argument.__showtree__()"""
  53. output = []
  54. getter, marker = object(), object()
  55. get = lambda code: output.append((getter, code))
  56. mark = lambda: output.append(marker)
  57. node1 = Argument(wraptext("foobar"))
  58. node2 = Argument(wraptext("foo"), wraptext("bar"))
  59. node1.__showtree__(output.append, get, mark)
  60. node2.__showtree__(output.append, get, mark)
  61. valid = [
  62. "{{{", (getter, node1.name), "}}}", "{{{", (getter, node2.name),
  63. " | ", marker, (getter, node2.default), "}}}"]
  64. assert valid == output
  65. def test_name(self):
  66. """test getter/setter for the name attribute"""
  67. name = wraptext("foobar")
  68. node1 = Argument(name)
  69. node2 = Argument(name, wraptext("baz"))
  70. assert name is node1.name
  71. assert name is node2.name
  72. node1.name = "héhehé"
  73. node2.name = "héhehé"
  74. self.assertWikicodeEqual(wraptext("héhehé"), node1.name)
  75. self.assertWikicodeEqual(wraptext("héhehé"), node2.name)
  76. def test_default(self):
  77. """test getter/setter for the default attribute"""
  78. default = wraptext("baz")
  79. node1 = Argument(wraptext("foobar"))
  80. node2 = Argument(wraptext("foobar"), default)
  81. assert None is node1.default
  82. assert default is node2.default
  83. node1.default = "buzz"
  84. node2.default = None
  85. self.assertWikicodeEqual(wraptext("buzz"), node1.default)
  86. assert None is node2.default