public async void SaveCall_Should_Return_Bad_Result_If_Invalid_Input()
        {
            var mediatorMock = new Mock <IMediator>();
            var loggerMock   = new Mock <ILogger>();

            mediatorMock
            .Setup(x => x.Send(It.IsAny <CreateCallCommand>(), It.IsAny <CancellationToken>()))
            .ReturnsAsync(new CommandResult <bool>()
            {
                Type = CommandResultTypeEnum.InvalidInput
            });
            var controller = new CallController(
                loggerMock.Object,
                mediatorMock.Object
                );

            var response = await controller.SaveCall(new Call());

            Assert.IsType <BadRequestResult>(response.Result);
        }
        public async void SaveCall_Should_Return_Ok_Result()
        {
            var mediatorMock = new Mock <IMediator>();
            var loggerMock   = new Mock <ILogger>();

            mediatorMock
            .Setup(x => x.Send(It.IsAny <CreateCallCommand>(), It.IsAny <CancellationToken>()))
            .ReturnsAsync(new CommandResult <bool>()
            {
                Type = CommandResultTypeEnum.Success
            });
            var controller = new CallController(
                loggerMock.Object,
                mediatorMock.Object
                );

            var response = await controller.SaveCall(new Call());

            Assert.IsType <OkObjectResult>(response.Result);
            mediatorMock.Verify(x => x.Send(It.IsAny <CreateCallCommand>(), It.IsAny <CancellationToken>()), Times.Once());
        }