def test_representations(self):
"""
Validator should return a helpful representation strings.
"""
validator = _Validator()
assert repr(validator) == '_Validator()'
assert str(validator) == '<_Validator()>'
assert unicode(validator) == unicode('<_Validator()>')
def test_validation(self):
"""
Verify abstraction layer does no validation on it's own.
"""
self.assertRaises(NotImplementedError, _Validator().validate, {})
