def test_is_not_of_type_name_throws_error_on_no_supplied_initialized_object():
"""
Tests that the `is_not_of_type_name()` method throws a TypeError
when it is supplied with a type that is not initialized.
"""
# Arrange
obj = TypeExample()
validator = ObjectValidator(obj, 'obj')
# Assert
with pytest.raises(TypeError):
# Act
validator.is_not_of_type_name(TypeExample2)
def test_is_not_of_type_name_throws_error_on_the_same_type():
"""
Tests that the `is_not_of_type_name()` method throws an ArgumentError
when it is supplied with a type that is the same type instance.
"""
# Arrange
type_name = type('type', (object,), {})()
validator = ObjectValidator(type, 'actual')
# Assert
with pytest.raises(ArgumentError):
# Act
validator.is_not_of_type_name(type_name)
def test_is_not_of_type_name_throws_error_on_equivalent_type():
"""
Tests that the `is_not_of_type_name()` method throws an ArgumentError
when it is supplied with a type that is equivalent to the specified type.
"""
# Arrange
actual = type('type', (object,), {})()
expected = type('type', (object,), {})()
validator = ObjectValidator(actual, 'actual')
# Assert
with pytest.raises(ArgumentError):
# Act
validator.is_not_of_type_name(expected)
def test_is_not_of_type_name_skips_check_if_value_is_none():
"""
Tests that the `is_not_of_type_name()` skips the type check if the specified value is `None`.
"""
# Arrange
actual = None
expected = type('expected', (object,), {})()
validator = ObjectValidator(actual, 'actual')
# Act
try:
validator.is_not_of_type_name(expected)
# Assert
except ArgumentError:
pytest.fail(f'Type `{actual.__class__.__name__}` should match type `{expected.__class__.__name__}`, but an error occurred.')
def test_is_not_of_type_name_accepts_different_type():
"""
Tests that the `is_not_of_type_name()` method does not throw an ArgumentError
when it is supplied with a type that is not the same as the supplied type.
"""
# Arrange
actual = type('actual', (object,), {})()
expected = type('expected', (object,), {})()
validator = ObjectValidator(actual, 'actual')
# Act
try:
validator.is_not_of_type_name(expected)
# Assert
except ArgumentError:
pytest.fail(f'Type `{actual.__class__.__name__}` should match type `{expected.__class__.__name__}`, but an error occurred.')
def test_is_not_of_type_name_returns_validator_self():
"""
Tests if the `is_not_of_type_name()` validator method returns itself after the validation is performed,
so that additional validations can be performed.
"""
# Arrange
actual = type('actual', (object,), {})()
expected = type('expected', (object,), {})()
validator = ObjectValidator(actual, 'actual')
# Act
validator_returned = validator.is_not_of_type_name(expected)
# Assert
assert validator_returned is validator