def test_context_result_immutable(): """Ensures that helper is immutable.""" with pytest.raises(ImmutableStateError): ContextResult().abc = 1
def test_context_result_immutable_deepcopy(): """Ensures that helper returns it self when passed to deepcopy function.""" context_result: ContextResult = ContextResult() assert context_result is deepcopy(context_result)
Mappable, Rescueable, Unitable, Unwrapable, ) from returns.result import Failure, Success @pytest.mark.parametrize('container', [ RequiresContextResult(lambda _: Success(1)), RequiresContextResult(lambda _: Failure(1)), RequiresContextResult.from_success(1), RequiresContextResult.from_failure(1), RequiresContextResult.from_result(Success(1)), RequiresContextResult.from_result(Failure(1)), ContextResult.ask(), ]) @pytest.mark.parametrize('protocol', [ Bindable, Mappable, Rescueable, Unwrapable, Altable, Fixable, Unitable, ]) def test_protocols(container, protocol): """Ensures that RequiresContext has all the right protocols.""" assert isinstance(container, protocol)