public void Index_returns_index_view()
{
//Arrange
var controller = new HomeController(null);
//Act
var result = controller.Index();
//Assert
result.AssertViewRendered();
}
public void Index_invokes_fibonacci_application_when_passed_an_input()
{
//Arrange
var calculator = A.Fake<IFibonacciCalculator>();
var controller = new HomeController(calculator);
//Act
var result = controller.Index(new Models.IndexViewModel() { InputValue = 5 });
//Assert
A.CallTo(() => calculator.Calculate(5)).MustHaveHappened();
}
public void Index_returns_no_data_when_passed_negative_value()
{
//Arrange
var calculator = A.Fake<IFibonacciCalculator>();
var controller = new HomeController(calculator);
//Act
var result = controller.Index(new Models.IndexViewModel() { InputValue = -5 });
//Assert
result.AssertViewRendered().WithViewData<Models.IndexViewModel>();
var viewData = ((ViewResult)result).Model as Models.IndexViewModel;
Assert.IsNull(viewData.Results);
}
public void Index_returns_view_with_data_when_passed_an_input()
{
//Arrange
var calculator = A.Fake<IFibonacciCalculator>();
var expectedResult = new BigInteger[] { 0, 1, 1, 2, 3 };
A.CallTo(() => calculator.Calculate(5)).Returns(expectedResult);
var controller = new HomeController(calculator);
//Act
var result = controller.Index(new Models.IndexViewModel() { InputValue = 5 });
//Assert
result.AssertViewRendered().WithViewData<Models.IndexViewModel>();
var viewData = ((ViewResult)result).Model as Models.IndexViewModel;
Assert.AreEqual(expectedResult, viewData.Results);
}