public void GetMessageQueueWorker_WorkQueueIsNotNull_ErrorQueueIsNotNull_ResultIsNotNull() { // Arrange var systemInformationSender = new Mock<ISystemInformationSender>(); var workQueue = new Mock<IMessageQueue<SystemInformation>>(); var errorQueue = new Mock<IMessageQueue<SystemInformation>>(); var messageQueueProvider = new Mock<IMessageQueueProvider<SystemInformation>>(); messageQueueProvider.Setup(m => m.WorkQueue).Returns(workQueue.Object); messageQueueProvider.Setup(m => m.ErrorQueue).Returns(errorQueue.Object); var systemInformationMessageQueueFeederFactory = new SystemInformationMessageQueueWorkerFactory(systemInformationSender.Object, messageQueueProvider.Object); // Act var result = systemInformationMessageQueueFeederFactory.GetMessageQueueWorker(); // Assert Assert.IsNotNull(result); }