public void Handle_InvokesDecoratedHandle_WhenValidationPasses() { var query = new FakeQueryWithoutValidator(); var decorated = new Mock <IHandleQuery <FakeQueryWithoutValidator, string> >(MockBehavior.Strict); var validator = new Mock <IValidator <FakeQueryWithoutValidator> >(MockBehavior.Strict); var expectedResult = new ValidationResult(); validator.Setup(x => x.Validate(query)).Returns(expectedResult); decorated.Setup(x => x.Handle(query)).Returns("faked"); var decorator = new ValidateQueryDecorator <FakeQueryWithoutValidator, string>(decorated.Object, validator.Object); var result = decorator.Handle(query); result.ShouldEqual("faked"); validator.Verify(x => x.Validate(query), Times.Once); decorated.Verify(x => x.Handle(query), Times.Once); }
public void Handle_ThrowsValidationException_AndDoesNotInvokeDecoratedHandle_WhenValidationFails() { var query = new FakeQueryWithoutValidator(); var decorated = new Mock <IHandleQuery <FakeQueryWithoutValidator, string> >(MockBehavior.Strict); var validator = new Mock <IValidator <FakeQueryWithoutValidator> >(MockBehavior.Strict); Expression <Func <FakeQueryWithoutValidator, bool> > expectedQuery = x => ReferenceEquals(x, query); var expectedResult = new ValidationResult(new[] { new ValidationFailure("Name", "Invalid."), }); validator.Setup(x => x.Validate(It.Is(expectedQuery))).Returns(expectedResult); var decorator = new ValidateQueryDecorator <FakeQueryWithoutValidator, string>(decorated.Object, validator.Object); var exception = Assert.Throws <ValidationException>(() => decorator.Handle(query)); exception.ShouldNotBeNull(); validator.Verify(x => x.Validate(It.Is(expectedQuery)), Times.Once); decorated.Verify(x => x.Handle(It.IsAny <FakeQueryWithoutValidator>()), Times.Never); }