test_validate_kwargs.py 1.8 KB

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  1. import pytest
  2. from pandas.util._validators import (
  3. validate_bool_kwarg,
  4. validate_kwargs,
  5. )
  6. @pytest.fixture
  7. def _fname():
  8. return "func"
  9. def test_bad_kwarg(_fname):
  10. good_arg = "f"
  11. bad_arg = good_arg + "o"
  12. compat_args = {good_arg: "foo", bad_arg + "o": "bar"}
  13. kwargs = {good_arg: "foo", bad_arg: "bar"}
  14. msg = rf"{_fname}\(\) got an unexpected keyword argument '{bad_arg}'"
  15. with pytest.raises(TypeError, match=msg):
  16. validate_kwargs(_fname, kwargs, compat_args)
  17. @pytest.mark.parametrize("i", range(1, 3))
  18. def test_not_all_none(i, _fname):
  19. bad_arg = "foo"
  20. msg = (
  21. rf"the '{bad_arg}' parameter is not supported "
  22. rf"in the pandas implementation of {_fname}\(\)"
  23. )
  24. compat_args = {"foo": 1, "bar": "s", "baz": None}
  25. kwarg_keys = ("foo", "bar", "baz")
  26. kwarg_vals = (2, "s", None)
  27. kwargs = dict(zip(kwarg_keys[:i], kwarg_vals[:i]))
  28. with pytest.raises(ValueError, match=msg):
  29. validate_kwargs(_fname, kwargs, compat_args)
  30. def test_validation(_fname):
  31. # No exceptions should be raised.
  32. compat_args = {"f": None, "b": 1, "ba": "s"}
  33. kwargs = {"f": None, "b": 1}
  34. validate_kwargs(_fname, kwargs, compat_args)
  35. @pytest.mark.parametrize("name", ["inplace", "copy"])
  36. @pytest.mark.parametrize("value", [1, "True", [1, 2, 3], 5.0])
  37. def test_validate_bool_kwarg_fail(name, value):
  38. msg = (
  39. f'For argument "{name}" expected type bool, '
  40. f"received type {type(value).__name__}"
  41. )
  42. with pytest.raises(ValueError, match=msg):
  43. validate_bool_kwarg(value, name)
  44. @pytest.mark.parametrize("name", ["inplace", "copy"])
  45. @pytest.mark.parametrize("value", [True, False, None])
  46. def test_validate_bool_kwarg(name, value):
  47. assert validate_bool_kwarg(value, name) == value