test_signatures.py 2.8 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485
  1. import functools
  2. import cytoolz._signatures as _sigs
  3. from cytoolz._signatures import builtins, _is_valid_args, _is_partial_args
  4. def test_is_valid(check_valid=_is_valid_args, incomplete=False):
  5. orig_check_valid = check_valid
  6. check_valid = lambda func, *args, **kwargs: orig_check_valid(func, args, kwargs)
  7. assert check_valid(lambda x: None) is None
  8. f = builtins.abs
  9. assert check_valid(f) is incomplete
  10. assert check_valid(f, 1)
  11. assert check_valid(f, x=1) is False
  12. assert check_valid(f, 1, 2) is False
  13. f = builtins.complex
  14. assert check_valid(f)
  15. assert check_valid(f, 1)
  16. assert check_valid(f, real=1)
  17. assert check_valid(f, 1, 2)
  18. assert check_valid(f, 1, imag=2)
  19. assert check_valid(f, 1, real=2) is False
  20. assert check_valid(f, 1, 2, 3) is False
  21. assert check_valid(f, 1, 2, imag=3) is False
  22. f = builtins.int
  23. assert check_valid(f)
  24. assert check_valid(f, 1)
  25. assert check_valid(f, x=1)
  26. assert check_valid(f, 1, 2)
  27. assert check_valid(f, 1, base=2)
  28. assert check_valid(f, x=1, base=2)
  29. assert check_valid(f, base=2) is incomplete
  30. assert check_valid(f, 1, 2, 3) is False
  31. f = builtins.map
  32. assert check_valid(f) is incomplete
  33. assert check_valid(f, 1) is incomplete
  34. assert check_valid(f, 1, 2)
  35. assert check_valid(f, 1, 2, 3)
  36. assert check_valid(f, 1, 2, 3, 4)
  37. f = builtins.min
  38. assert check_valid(f) is incomplete
  39. assert check_valid(f, 1)
  40. assert check_valid(f, iterable=1) is False
  41. assert check_valid(f, 1, 2)
  42. assert check_valid(f, 1, 2, 3)
  43. assert check_valid(f, key=None) is incomplete
  44. assert check_valid(f, 1, key=None)
  45. assert check_valid(f, 1, 2, key=None)
  46. assert check_valid(f, 1, 2, 3, key=None)
  47. assert check_valid(f, key=None, default=None) is incomplete
  48. assert check_valid(f, 1, key=None, default=None)
  49. assert check_valid(f, 1, 2, key=None, default=None) is False
  50. assert check_valid(f, 1, 2, 3, key=None, default=None) is False
  51. f = builtins.range
  52. assert check_valid(f) is incomplete
  53. assert check_valid(f, 1)
  54. assert check_valid(f, 1, 2)
  55. assert check_valid(f, 1, 2, 3)
  56. assert check_valid(f, 1, 2, step=3) is False
  57. assert check_valid(f, 1, 2, 3, 4) is False
  58. f = functools.partial
  59. assert orig_check_valid(f, (), {}) is incomplete
  60. assert orig_check_valid(f, (), {'func': 1}) is incomplete
  61. assert orig_check_valid(f, (1,), {})
  62. assert orig_check_valid(f, (1,), {'func': 1})
  63. assert orig_check_valid(f, (1, 2), {})
  64. def test_is_partial():
  65. test_is_valid(check_valid=_is_partial_args, incomplete=True)
  66. def test_for_coverage(): # :)
  67. assert _sigs._is_arity(1, 1) is None
  68. assert _sigs._is_arity(1, all)
  69. assert _sigs._has_varargs(None) is None
  70. assert _sigs._has_keywords(None) is None
  71. assert _sigs._num_required_args(None) is None