public void GetCustomerAccount() { // ARRANGE CustomerAccount expected = FactoryCustomer.CustomerAccount; IInternalDracoonClient c = FactoryClients.InternalDracoonClientMock(true); DracoonAccountImpl a = new DracoonAccountImpl(c); Mock.Arrange(() => c.Builder.GetCustomerAccount()).Returns(FactoryRestSharp.GetCustomerAccountMock()).Occurs(1); Mock.Arrange(() => c.Executor.DoSyncApiCall <ApiCustomerAccount>(Arg.IsAny <IRestRequest>(), RequestType.GetCustomerAccount, 0)) .Returns(FactoryCustomer.ApiCustomerAccount).Occurs(1); Mock.Arrange(() => CustomerMapper.FromApiCustomerAccount(Arg.IsAny <ApiCustomerAccount>())).Returns(FactoryCustomer.CustomerAccount).Occurs(1); // ACT CustomerAccount actual = a.GetCustomerAccount(); // ASSERT Assert.Equal(expected, actual, new CustomerAccountComparer()); Mock.Assert(() => CustomerMapper.FromApiCustomerAccount(Arg.IsAny <ApiCustomerAccount>())); Mock.Assert(c.Builder); Mock.Assert(c.Executor); }