public void Validator_WhenTableSizeIsLessThanZero_ShouldHaveATableSizeValidationError()
{
// Arrange
var model = new TableRequestBindingModel()
{
TableSize = -1
};
var subject = new TableRequestBindingModelValidator();
// Act
// Assert
subject.ShouldHaveValidationErrorFor(m => m.TableSize, model);
}
public void Index_WhenTheModelStateIsInvalid_ReturnsAViewModelResult()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = fixture.Create<int>() };
var subject = fixture.Create<HomeController>();
subject.ModelState.AddModelError(fixture.Create<string>(), fixture.Create<string>());
// Act
var result = subject.Index(req) as ViewResult;
// Assert
Assert.IsNotNull(result);
}
public void Index_WhenTheModelStateIsInvalid_ReturnsAViewModelWithTheCorrectTableSize()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = fixture.Create<int>() };
var subject = fixture.Create<HomeController>();
subject.ModelState.AddModelError(fixture.Create<string>(), fixture.Create<string>());
// Act
var result = subject.Index(req) as ViewResult;
// Assert
var model = result.Model as MultiplicationTableViewModel;
Assert.NotNull(model);
Assert.That(model.TableSize, Is.EqualTo(req.TableSize));
}
public void Validator_WhenTableSizeIsGreaterThan500_UsesTheTableTooLargeErrorMessage()
{
// Arrange
var model = new TableRequestBindingModel()
{
TableSize = 501
};
var subject = new TableRequestBindingModelValidator();
// Act
var result = subject.Validate(model);
// Assert
Assert.That(result.Errors.Single(e => e.PropertyName == "TableSize").ErrorMessage, Is.EqualTo(TableRequestBindingModelErrorMessages.TableToLarge));
}
public ActionResult Index(TableRequestBindingModel model = null)
{
if (model == null || model.TableSize == 0)
{
return View(new MultiplicationTableViewModel());
}
if (!ModelState.IsValid)
{
return View(new MultiplicationTableViewModel()
{
TableSize = model.TableSize
});
}
var viewModel = viewModelFactory.Create(SequenceType.Primes, model.TableSize);
return View(viewModel);
}
public void Index_WhenTheModelStateIsInvalid_ShouldNotUseTheViewModelFactory()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = fixture.Create<int>() };
var subject = fixture.Create<HomeController>();
subject.ModelState.AddModelError(fixture.Create<string>(), fixture.Create<string>());
// Act
var result = subject.Index(req) as ViewResult;
// Assert
viewModelFactory.Verify(fact => fact.Create(It.IsAny<SequenceType>(), It.IsAny<int>()), Times.Never());
}
public void Index_WithSpecifiedTableSize_ReturnAViewResult(int tableSize)
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = tableSize };
var subject = fixture.Create<HomeController>();
// Act
var result = subject.Index(req) as ViewResult;
// Assert
Assert.IsNotNull(result);
}
public void Index_WithSpecifiedTableSizeOfZero_ShouldNotUseTheViewModelFactory()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = 0 };
var subject = fixture.Create<HomeController>();
// Act
subject.Index(req);
// Assert
viewModelFactory.Verify(fact => fact.Create(It.IsAny<SequenceType>(), It.IsAny<int>()), Times.Never());
}
public void Index_WithSpecifiedTableSizeOfZero_ReturnsADefaultViewModel()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = 0 };
var subject = fixture.Create<HomeController>();
// Act
var result = subject.Index(req) as ViewResult;
// Assert
var model = result.Model;
Assert.That(model, Is.InstanceOf<MultiplicationTableViewModel>());
VerifyModelHasDefaultValues((MultiplicationTableViewModel)model);
}
public void Index_WithSpecifiedTableSizeGtZero_ShouldUseAViewModelCreatedByTheViewModelFactory()
{
// Arrange
var expected = fixture.Create<MultiplicationTableViewModel>();
viewModelFactory.Setup(fact => fact.Create(It.IsAny<SequenceType>(), It.IsAny<int>()))
.Returns(expected);
var req = new TableRequestBindingModel() { TableSize = fixture.Create<int>() };
var subject = fixture.Create<HomeController>();
// Act
var result = subject.Index(req) as ViewResult;
// Assert
Assert.That(result.Model, Is.EqualTo(expected));
}
public void Index_WithSpecifiedTableSizeGtZero_RequestsTheSpecifiedTableSize()
{
// Arrange
var tableSize = fixture.Create<int>();
var req = new TableRequestBindingModel() { TableSize = tableSize };
var subject = fixture.Create<HomeController>();
// Act
var result = subject.Index(req) as ViewResult;
// Assert
viewModelFactory.Verify(fact => fact.Create(It.IsAny<SequenceType>(), tableSize), Times.Once);
}
public void Index_WithSpecifiedTableSizeGtZero_RequestsAPrimeNumberMultipicationTable()
{
// Arrange
var req = new TableRequestBindingModel() { TableSize = fixture.Create<int>() };
var subject = fixture.Create<HomeController>();
// Act
var result = subject.Index(req) as ViewResult;
// Assert
viewModelFactory.Verify(fact => fact.Create(SequenceType.Primes, It.IsAny<int>()), Times.Once);
}
public void Validator_WhenTableSizeIsLessThanZero_UsesTheTableSizeMustBePositiveErrorMessage()
{
// Arrange
var model = new TableRequestBindingModel()
{
TableSize = -1
};
var subject = new TableRequestBindingModelValidator();
// Act
var result = subject.Validate(model);
// Assert
Assert.That(result.Errors.Single(e => e.PropertyName == "TableSize").ErrorMessage, Is.EqualTo(TableRequestBindingModelErrorMessages.TableSizeMustBePositive));
}
