public void Should_Not_Save_Invalid_QuizQuestions()
{
// Arrange
var mockQuizQuestionRepository = new Mock <IQuizQuestionRepository>();
var mockValidationDictionary = new MockValidationDictionary();
var service = new QuizQuestionService(mockQuizQuestionRepository.Object, mockValidationDictionary);
// Act
bool result = service.AddNewQuizQuestion(new QuizQuestionViewModel {
Question = "Q", Answer = ""
});
// Assert
Assert.IsFalse(mockValidationDictionary.IsValid);
Assert.IsTrue(mockValidationDictionary.Errors.ContainsKey("Answer"));
mockQuizQuestionRepository.Verify(m => m.AddQuestion(It.IsAny <QuizQuestion>()), Times.Never);
mockQuizQuestionRepository.Verify(m => m.SaveChanges(), Times.Never);
}
public void Should_Call_Save_Methods_When_Question_Saved()
{
// Arrange
var mockQuizQuestionRepository = new Mock <IQuizQuestionRepository>();
var mockValidationDictionary = new MockValidationDictionary();
var service = new QuizQuestionService(mockQuizQuestionRepository.Object, mockValidationDictionary);
// Act
var result = service.AddNewQuizQuestion(new QuizQuestionViewModel {
Question = "Q", Answer = "A"
});
// Assert
Assert.IsTrue(mockValidationDictionary.IsValid); // Should be perfectly valid and therefore ...
mockQuizQuestionRepository.Verify(m => m.AddQuestion(It.IsAny <QuizQuestion>()), Times.Once); // ... changes are made to the table ...
mockQuizQuestionRepository.Verify(m => m.SaveChanges(), Times.Once); // ... and saved ...
Assert.IsTrue(result); // ... returning true
}