public void WhenValidationFails_ThenThrows_DoesNotCallDecoratedCommandHandler()
{
var validator = A.Fake<IValidator<object>>();
A.CallTo(() => validator.Validate(A<object>._)).Returns(new ValidationResult(new[] {new ValidationFailure("MyProperty", "Some error")}));
var decoratedHandler = A.Fake<IQueryHandler<object, object>>();
var sut = new ValidationAwareQueryHandler<object, object>(validator, decoratedHandler);
var query = new object();
AssertEx.TaskThrows<ValidationException>(() => sut.Handle(query));
A.CallTo(() => validator.Validate(query)).MustHaveHappened();
A.CallTo(() => decoratedHandler.Handle(A<object>._)).MustNotHaveHappened();
}
public void Handle_ValidatesFirst_ThenPassesControlToDecoratedCommandHandler()
{
var validator = A.Fake<IValidator<object>>();
A.CallTo(() => validator.Validate(A<object>._)).Returns(new ValidationResult(new ValidationFailure[0]));
var decoratedHandler = A.Fake<IQueryHandler<object, object>>();
var expected = new object();
A.CallTo(() => decoratedHandler.Handle(A<object>._)).Returns(expected);
var sut = new ValidationAwareQueryHandler<object, object>(validator, decoratedHandler);
var query = new object();
var actual = sut.Handle(query).Result;
Assert.That(actual, Is.EqualTo(expected));
A.CallTo(() => validator.Validate(query)).MustHaveHappened();
A.CallTo(() => decoratedHandler.Handle(query)).MustHaveHappened();
}
