public async void Add_New_Draft_When_No_Existing_Draft()
{
var question = Builder <Draft> .CreateNew()
.With(x => x.QuestionId = 1)
.With(x => x.UserId = 1).Build();
_questionsRepository.Setup(x => x.QuestionExists(1))
.Returns(Task.FromResult(true));
_draftsRepository.Setup(x => x.GetByQuestionAndUser(1, 1))
.Returns(Task.FromResult <Draft>(null));
var command = new SaveDraftCommand {
QuestionId = 1, UserId = 1, Content = "any"
};
var commandHandler = new SaveDraftCommandHandler(
_draftsRepository.Object,
_questionsRepository.Object,
_unitOfWork.Object);
var result = await commandHandler.Handle(command, CancellationToken.None);
Assert.Equal("Draft saved successfully.", result.Message);
_draftsRepository.Verify(x => x.AddAsync(It.IsAny <Draft>()), Times.Once);
_unitOfWork.Verify(x => x.SaveChangesAsync(It.IsAny <CancellationToken>()), Times.Once);
}
public async void Throw_Exception_For_Invalid_Question()
{
_questionsRepository
.Setup(x => x.QuestionExists(It.IsAny <int>()))
.Returns(Task.FromResult(false));
var command = new SaveDraftCommand {
UserId = 1, Content = "anything", QuestionId = 1
};
var commandHandler = new SaveDraftCommandHandler(
_draftsRepository.Object,
_questionsRepository.Object,
_unitOfWork.Object);
try
{
var result = await commandHandler.Handle(command, CancellationToken.None);
}
catch (Exception ex)
{
Assert.True(ex is InvalidQuestionException);
}
}
public async void If_Draft_Exists_Then_Update_Existing_Draft()
{
var draft = Builder <Draft> .CreateNew()
.With(x => x.QuestionId = 1)
.With(x => x.UserId = 1).Build();
_questionsRepository.Setup(x => x.QuestionExists(1))
.Returns(Task.FromResult(true));
_draftsRepository.Setup(x => x.GetByQuestionAndUser(1, 1))
.Returns(Task.FromResult(draft));
var command = new SaveDraftCommand {
QuestionId = 1, UserId = 1, Content = "any"
};
var commandHandler = new SaveDraftCommandHandler(
_draftsRepository.Object,
_questionsRepository.Object,
_unitOfWork.Object);
var result = await commandHandler.Handle(command, CancellationToken.None);
Assert.Equal("Draft saved successfully.", result.Message);
}