AsyncMediator.Test.MediatorTests.Commands_CanHandleCommandWithAReturnValueWithValidationFailures C# (CSharp) Метод

        public async Task Commands_CanHandleCommandWithAReturnValueWithValidationFailures()
        {
            // Arrange
            var handlerFactory = new MessageHandlerRegistry();
            var mediator = new Mediator(handlerFactory.MultiInstanceFactory, handlerFactory.SingleInstanceFactory);
            handlerFactory.AddHandlersForCommandOrQuery<ICommandHandler<TestCommandWithResult>>(new TestCommandWithResultHandler(mediator));

            // Act
            var result = await mediator.Send(new TestCommandWithResult { Id = 999 });
            var returnedValue = result.Result<TestCommandResult>();

            // Assert
            Assert.IsTrue(returnedValue == null && result.ValidationResults.Any());
        }