def test_multiple_processor_error(exception_class, expected_exception_class):
processor = MultipleProcessor(
lambda x: raise_(exception_class, 'invalid_value'),
lambda x: x.lower())
with pytest.raises(expected_exception_class):
processor('value')
def test_multiple_processor_none_if_error():
processor = MultipleProcessor(lambda x: x.strip(), lambda x: x.lower())
processor.raise_error = False
processor.none_if_error = True
assert processor(100) is None
def test_multiple_processor_without_error():
processor = MultipleProcessor(lambda x: x.strip(), lambda x: x.lower())
processor.raise_error = False
assert processor(100) == 100
def test_multiple_processor(value, expected_value):
processor = MultipleProcessor(strip, lower)
assert processor(value) == expected_value