public async Task CreateAnswer_ReturnsNewAnswer() { //Arrange var answerForCreation = AutoFaker.Generate <AnswerForCreationDto>(); var answer = AutoFaker.Generate <Answer>(); var answerDto = AutoFaker.Generate <AnswerDto>(); _answerService.Setup(x => x.Create(It.IsAny <Answer>(), It.IsAny <int>())) .ReturnsAsync(answer); _mapper.Setup(x => x.Map <Answer>(answerForCreation)) .Returns(answer); _mapper.Setup(x => x.Map <AnswerDto>(answer)) .Returns(answerDto); //Action var result = await _sut.CreateAnswer(answerForCreation); //Assert result.Should().BeOfType <OkObjectResult>(); ((OkObjectResult)result).StatusCode.Should().Be(StatusCodes.Status200OK); ((OkObjectResult)result).Value.Should().BeEquivalentTo(answerDto); }