public void ReinstateTakeSurveyViewModelOK()
{
// Assert
// 1 Mock the SurveyRepository class
var mockSurveyRepository = new Mock<ISurveyRepository>();
mockSurveyRepository.Setup(r => r.GetSurvey(3)).Returns(mockData.GetSurvey3());
// 2 Mock the QuestionRepository class
var mockQuestionRepository = new Mock<IQuestionRepository>();
// Define a Queue containing multiple calls to the Mocked repository method
// see: http://haacked.com/archive/2009/09/28/moq-sequences.aspx. Workaround, no longer necessary
//var questionQueue = new Queue<Question>(new Question[] {
// mockData.GetQuestion(1),
// mockData.GetQuestion(2)
//});
//mockQuestionRepository.Setup(r => r.GetQuestion(0)).Returns(() => questionQueue.Dequeue());
// see: http://codecontracts.info/2011/07/28/moq-setupsequence-is-great-for-mocking/: Moq SetupSequence<>. Awesome.
// Also, Phil's would've worked if I'd used the 'It.IsAny<long>()' to allow it to match any parameter and therefore
// receive the value from the sequence. (or Phil's Queue). this is the learning curve of Moq, and it's good that
// I didn't realise the 'It.IsAny<>()' existed as I wouldn't have found the SetupSequence method.
mockQuestionRepository.SetupSequence(r => r.GetQuestion(It.IsAny<long>())) // hopefully allows any long value to be passed so it matched the call.
.Returns(mockData.GetQuestion(1))
.Returns(mockData.GetQuestion(2));
// 4 set up the TakeSurveyViewModel class
var inputViewModel = mockData.SetTakeSurveyViewModel_3();
// Instantiate the class being tested
var mapper = new THSurveys.Mappings.ReinstateTakeSurveyViewModel(mockSurveyRepository.Object, mockQuestionRepository.Object);
// Act
// Execute the Map method
var mappedSurvey = mapper.Map(inputViewModel);
// Assert
// Check the missing fields are reinstated.
// 1 Check the Category description is "First Category".
Assert.AreEqual("First Category", mappedSurvey.CategoryDescription, "Should have reinstated the Category Description");
// 2 Check the statusData is "10/11/12")
Assert.AreEqual(string.Format("{0:d}", DateTime.Parse("10/11/2012")), mappedSurvey.StatusDate, "Shauld have reinstated the status date of '10/11/2012'");
// 3 Check the Title has been reinstated "A Third Survey (Live)"
Assert.AreEqual("A Third Survey (Live)", mappedSurvey.Title, "Should have reinstated the Title of 'A Third Survey (Live)'");
// 4 Check the UserName has been reinstated "Tim"
Assert.AreEqual("Tim", mappedSurvey.UserName, "Should have reinstated the UserName of 'Tim'");
// 5 Check the text for the 1st question has been reinstated
var question1 = mappedSurvey.Questions.First();
Assert.AreEqual("Text for Question 1", question1.Text, "Should have reinstated the Text for Question 1");
// 6 Check the available responses have been reinstated for the first question
Assert.AreEqual(5, question1.Responses.Count(), "Should have reinstated 5 responses to question 1");
// 7 Check the text for the first available response has been reinstated, for the first question.
Assert.AreEqual("Strongly Disagree", question1.Responses.First().Text, "Should have reinstated the text for the first available response to Question 1");
}
public void ReinstateTakeSurveyViewModelFailsIfQuestionNotFound()
{
// Assert
// 1 Mock the SurveyRepository class
var mockSurveyRepository = new Mock<ISurveyRepository>();
mockSurveyRepository.Setup(r => r.GetSurvey(3)).Returns(mockData.GetSurvey3());
// 2 Mock the QuestionRepository class
var mockQuestionRepository = new Mock<IQuestionRepository>();
mockQuestionRepository.SetupSequence(r => r.GetQuestion(It.IsAny<long>())) // hopefully allows any long value to be passed so it matched the call.
// .Returns(mockData.GetQuestion(0)) // Leave this out, a call will get a null back and cause the exception.
.Returns(mockData.GetQuestion(2));
// 3 set up the TakeSurveyViewModel class
var inputViewModel = mockData.SetTakeSurveyViewModel_3();
// Instantiate the class being tested
var mapper = new THSurveys.Mappings.ReinstateTakeSurveyViewModel(mockSurveyRepository.Object, mockQuestionRepository.Object);
// Act
// Execute the Map method
try
{
var mappedSurvey = mapper.Map(inputViewModel);
// Assert failure
Assert.Fail("No exception thrown, expected a NullReferenece exception");
}
catch (Exception e)
{
// Assert pass, the exception has been thrown.
Assert.IsNotNull(e, "Exception expected");
Assert.IsInstanceOfType(e, typeof(NullReferenceException), "Expected NullReferenceException");
}
}