def test_validate_invalid_values_raise_validation_error(attr, value):
"""
If an invalid value is given, an ValidationError must be raised.
"""
metadata = MetaData(**VALID_METADATA)
setattr(metadata, attr, value)
with pytest.raises(exceptions.ValidationError):
metadata.validate()
def test_validate_all_parameters_ok():
"""
If all parameters are valid than the validation should simply return.
"""
metadata = MetaData(**VALID_METADATA)
metadata.validate()