public void GetCustomerVerificationTest(string customerId) { //for Moq test //Arrange mockBllCustomerDetails.Setup(x => x.GetCustomerVerificationData(It.IsAny <string>())).Returns(customerData.GetBLLVerificationData()); mockCRMCustomerDetails.Setup(x => x.GetCustomerVerificationData(It.IsAny <string>())).Returns(customerData.GetCRMVerificationData()); //Act customerDetails.GetCustomerVerificationData(customerId); //Assert mockCRMCustomerDetails.VerifyAll(); }