public void Should_validate_command_and_save_new_theme()
        {
            var command = new CreateTheme
            {
                Id          = Guid.NewGuid(),
                Name        = "Name",
                Description = "Description",
                Folder      = "Folder"
            };

            var themeRepositoryMock = new Mock <IThemeRepository>();

            themeRepositoryMock.Setup(x => x.Create(It.IsAny <Theme>()));

            var validatorMock = new Mock <IValidator <CreateTheme> >();

            validatorMock.Setup(x => x.Validate(command)).Returns(new ValidationResult());

            var sortOrderGeneratorMock = new Mock <IThemeSortOrderGenerator>();

            var createThemeHandler = new CreateThemeHandler(themeRepositoryMock.Object, validatorMock.Object, sortOrderGeneratorMock.Object);

            createThemeHandler.Handle(command);

            validatorMock.Verify(x => x.Validate(command));
            themeRepositoryMock.Verify(x => x.Create(It.IsAny <Theme>()));
        }
        public void Should_throw_validation_exception_when_validation_fails()
        {
            var command = new CreateTheme
            {
                Id          = Guid.NewGuid(),
                Name        = "Name",
                Description = "Description",
                Folder      = "Folder"
            };

            var themeRepositoryMock = new Mock <IThemeRepository>();

            var validatorMock = new Mock <IValidator <CreateTheme> >();

            validatorMock.Setup(x => x.Validate(command)).Returns(new ValidationResult(new List <ValidationFailure> {
                new ValidationFailure("Id", "Id Error")
            }));

            var sortOrderGeneratorMock = new Mock <IThemeSortOrderGenerator>();

            var createThemeHandler = new CreateThemeHandler(themeRepositoryMock.Object, validatorMock.Object, sortOrderGeneratorMock.Object);

            Assert.Throws <ValidationException>(() => createThemeHandler.Handle(command));
        }