tests.py 2.8 KB

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  1. # -*- coding: utf-8 -*-
  2. """
  3. jinja2.testsuite.tests
  4. ~~~~~~~~~~~~~~~~~~~~~~
  5. Who tests the tests?
  6. :copyright: (c) 2010 by the Jinja Team.
  7. :license: BSD, see LICENSE for more details.
  8. """
  9. import unittest
  10. from jinja2.testsuite import JinjaTestCase
  11. from jinja2 import Markup, Environment
  12. env = Environment()
  13. class TestsTestCase(JinjaTestCase):
  14. def test_defined(self):
  15. tmpl = env.from_string('{{ missing is defined }}|{{ true is defined }}')
  16. assert tmpl.render() == 'False|True'
  17. def test_even(self):
  18. tmpl = env.from_string('''{{ 1 is even }}|{{ 2 is even }}''')
  19. assert tmpl.render() == 'False|True'
  20. def test_odd(self):
  21. tmpl = env.from_string('''{{ 1 is odd }}|{{ 2 is odd }}''')
  22. assert tmpl.render() == 'True|False'
  23. def test_lower(self):
  24. tmpl = env.from_string('''{{ "foo" is lower }}|{{ "FOO" is lower }}''')
  25. assert tmpl.render() == 'True|False'
  26. def test_typechecks(self):
  27. tmpl = env.from_string('''
  28. {{ 42 is undefined }}
  29. {{ 42 is defined }}
  30. {{ 42 is none }}
  31. {{ none is none }}
  32. {{ 42 is number }}
  33. {{ 42 is string }}
  34. {{ "foo" is string }}
  35. {{ "foo" is sequence }}
  36. {{ [1] is sequence }}
  37. {{ range is callable }}
  38. {{ 42 is callable }}
  39. {{ range(5) is iterable }}
  40. {{ {} is mapping }}
  41. {{ mydict is mapping }}
  42. {{ [] is mapping }}
  43. ''')
  44. class MyDict(dict):
  45. pass
  46. assert tmpl.render(mydict=MyDict()).split() == [
  47. 'False', 'True', 'False', 'True', 'True', 'False',
  48. 'True', 'True', 'True', 'True', 'False', 'True',
  49. 'True', 'True', 'False'
  50. ]
  51. def test_sequence(self):
  52. tmpl = env.from_string(
  53. '{{ [1, 2, 3] is sequence }}|'
  54. '{{ "foo" is sequence }}|'
  55. '{{ 42 is sequence }}'
  56. )
  57. assert tmpl.render() == 'True|True|False'
  58. def test_upper(self):
  59. tmpl = env.from_string('{{ "FOO" is upper }}|{{ "foo" is upper }}')
  60. assert tmpl.render() == 'True|False'
  61. def test_sameas(self):
  62. tmpl = env.from_string('{{ foo is sameas false }}|'
  63. '{{ 0 is sameas false }}')
  64. assert tmpl.render(foo=False) == 'True|False'
  65. def test_no_paren_for_arg1(self):
  66. tmpl = env.from_string('{{ foo is sameas none }}')
  67. assert tmpl.render(foo=None) == 'True'
  68. def test_escaped(self):
  69. env = Environment(autoescape=True)
  70. tmpl = env.from_string('{{ x is escaped }}|{{ y is escaped }}')
  71. assert tmpl.render(x='foo', y=Markup('foo')) == 'False|True'
  72. def suite():
  73. suite = unittest.TestSuite()
  74. suite.addTest(unittest.makeSuite(TestsTestCase))
  75. return suite