test_version.py 2.7 KB

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  1. """Tests for distutils.version."""
  2. import distutils
  3. from distutils.version import LooseVersion, StrictVersion
  4. import pytest
  5. @pytest.fixture(autouse=True)
  6. def suppress_deprecation():
  7. with distutils.version.suppress_known_deprecation():
  8. yield
  9. class TestVersion:
  10. def test_prerelease(self):
  11. version = StrictVersion('1.2.3a1')
  12. assert version.version == (1, 2, 3)
  13. assert version.prerelease == ('a', 1)
  14. assert str(version) == '1.2.3a1'
  15. version = StrictVersion('1.2.0')
  16. assert str(version) == '1.2'
  17. def test_cmp_strict(self):
  18. versions = (
  19. ('1.5.1', '1.5.2b2', -1),
  20. ('161', '3.10a', ValueError),
  21. ('8.02', '8.02', 0),
  22. ('3.4j', '1996.07.12', ValueError),
  23. ('3.2.pl0', '3.1.1.6', ValueError),
  24. ('2g6', '11g', ValueError),
  25. ('0.9', '2.2', -1),
  26. ('1.2.1', '1.2', 1),
  27. ('1.1', '1.2.2', -1),
  28. ('1.2', '1.1', 1),
  29. ('1.2.1', '1.2.2', -1),
  30. ('1.2.2', '1.2', 1),
  31. ('1.2', '1.2.2', -1),
  32. ('0.4.0', '0.4', 0),
  33. ('1.13++', '5.5.kw', ValueError),
  34. )
  35. for v1, v2, wanted in versions:
  36. try:
  37. res = StrictVersion(v1)._cmp(StrictVersion(v2))
  38. except ValueError:
  39. if wanted is ValueError:
  40. continue
  41. else:
  42. raise AssertionError(f"cmp({v1}, {v2}) shouldn't raise ValueError")
  43. assert res == wanted, f'cmp({v1}, {v2}) should be {wanted}, got {res}'
  44. res = StrictVersion(v1)._cmp(v2)
  45. assert res == wanted, f'cmp({v1}, {v2}) should be {wanted}, got {res}'
  46. res = StrictVersion(v1)._cmp(object())
  47. assert res is NotImplemented, (
  48. f'cmp({v1}, {v2}) should be NotImplemented, got {res}'
  49. )
  50. def test_cmp(self):
  51. versions = (
  52. ('1.5.1', '1.5.2b2', -1),
  53. ('161', '3.10a', 1),
  54. ('8.02', '8.02', 0),
  55. ('3.4j', '1996.07.12', -1),
  56. ('3.2.pl0', '3.1.1.6', 1),
  57. ('2g6', '11g', -1),
  58. ('0.960923', '2.2beta29', -1),
  59. ('1.13++', '5.5.kw', -1),
  60. )
  61. for v1, v2, wanted in versions:
  62. res = LooseVersion(v1)._cmp(LooseVersion(v2))
  63. assert res == wanted, f'cmp({v1}, {v2}) should be {wanted}, got {res}'
  64. res = LooseVersion(v1)._cmp(v2)
  65. assert res == wanted, f'cmp({v1}, {v2}) should be {wanted}, got {res}'
  66. res = LooseVersion(v1)._cmp(object())
  67. assert res is NotImplemented, (
  68. f'cmp({v1}, {v2}) should be NotImplemented, got {res}'
  69. )