public void Create_CallDto() { // Setup dependence var settingMock = new Mock<ISettings>(); var componentMock = new Mock<IComponents>(); var repositoryMock = new Mock<IRepository>(); var uowMock = new Mock<IUnitOfWork>(); var serviceLocatorMock = new Mock<IServiceLocator>(); serviceLocatorMock.Setup(r => r.GetInstance<IRepository>()) .Returns(repositoryMock.Object); serviceLocatorMock.Setup(r => r.GetInstance<IUnitOfWork>()) .Returns(uowMock.Object); ServiceLocator.SetLocatorProvider(() => serviceLocatorMock.Object); repositoryMock.Setup(r => r.CreateUnitOfWork()).Returns(uowMock.Object); // Arrange data // Act CallService callService = new CallService(uowMock.Object, repositoryMock.Object, settingMock.Object, componentMock.Object); var currentCall = callService.Create(new CallDto()); // Assert repositoryMock.Verify(r => r.Insert<Call>(It.IsAny<Call>())); uowMock.Verify(u => u.Save()); }