public async Task CreateAsync_ReturnsCorrectResponse_WhenModelStateIsNotValid()
{
//arrange
var mystring = new string('*', 600);
//add case with invalid author id
var invalidQuoteVM = new QuoteCreateViewModel()
{
AuthorId = 1,
Content = mystring
};
var invalidQuote = new Quote()
{
AuthorId = invalidQuoteVM.AuthorId,
Content = invalidQuoteVM.Content
};
var fakeQuoteRepo = new Mock <IQuoteRepository>();
var fakeAuthorRepo = new Mock <IAuthorRepository>();
var controller = new QuoteController(fakeQuoteRepo.Object, fakeAuthorRepo.Object);
controller.ModelState.AddModelError("error", "invalid name");
//act
//var result = await controller.CreateAsync(model: null);
var result = await controller.CreateAsync(invalidQuoteVM);
//assert
Assert.IsInstanceOf <BadRequestObjectResult>(result);
}
public async Task CreateAsync_ReturnsCorrectResponse_WhenModelStateIsValid()
{
//ARRANGE
var quoteVM = new QuoteCreateViewModel();
quoteVM.Content = "some content";
quoteVM.AuthorId = 3;
var quote = new Quote
{
Content = quoteVM.Content,
AuthorId = quoteVM.AuthorId
};
var author = new Author()
{
FullName = "some author",
Id = 3
};
var fakeRepo = new Mock <IQuoteRepository>();
fakeRepo.Setup(x => x.AddAsync(quote)).Returns(Task.CompletedTask);
var fakeAuthorRepo = new Mock <IAuthorRepository>();
fakeAuthorRepo.Setup(x => x.GetById(quoteVM.AuthorId)).Returns(author);
var controller = new QuoteController(fakeRepo.Object, fakeAuthorRepo.Object);
//ACT
var taskResult = await controller.CreateAsync(quoteVM);
//ASSERT
var taskResultContent = taskResult as CreatedAtActionResult;
var expectedStatusCode = (int)HttpStatusCode.Created;
var routeValue = taskResultContent.RouteValues;
var value = taskResultContent.Value;
//check if the task result of the controller method is CreatedAtActionResult
Assert.IsInstanceOf <CreatedAtActionResult>(taskResult);
//Assert that the response in not null
Assert.IsNotNull(taskResult);
//check if the response code for successfull complete is equal to HttpStatusCode.Created (201)
Assert.AreEqual(expectedStatusCode, taskResultContent.StatusCode);
//check if returns status
Assert.IsNotNull(taskResultContent.StatusCode);
//check if the return routeValue is generated
Assert.IsNotNull(taskResultContent.RouteValues["id"]);
//check if there is a return object value in the CreateAtAction response
Assert.IsNotNull(taskResultContent.Value);
//check if the return object of the CreateAtAction is Quote class
Assert.IsInstanceOf <Quote>(taskResultContent.Value);
}
public async Task CreateAsync_ReturnsCorrectResponse_WhenModelStateIsValid_WithInvalidAuthorId()
{
//arrange
var quoteVM = new QuoteCreateViewModel();
quoteVM.Content = "some content";
quoteVM.AuthorId = 3;
var quote = new Quote
{
Content = quoteVM.Content,
AuthorId = quoteVM.AuthorId
};
Author nonexistentAuthor = null;
var fakeRepo = new Mock <IQuoteRepository>();
var fakeAuthorRepo = new Mock <IAuthorRepository>();
fakeAuthorRepo.Setup(x => x.GetById(quoteVM.AuthorId)).Returns(nonexistentAuthor);
var controller = new QuoteController(fakeRepo.Object, fakeAuthorRepo.Object);
//act
var result = await controller.CreateAsync(quoteVM);
var badRequestResult = result as BadRequestObjectResult;
var neededStatusCode = (int)HttpStatusCode.BadRequest;
var neededMessage = "Invalid author.";
//assert that retunrs bad request result
Assert.IsInstanceOf <BadRequestObjectResult>(result);
//assert that returns the correct bad result code 400
Assert.AreEqual(neededStatusCode, badRequestResult.StatusCode);
//assert that returns the correct failure message
Assert.AreEqual(neededMessage, badRequestResult.Value);
}