public CustomerRegistrationServiceTests()
{
_repo = Substitute.For <ICustomerRepository>();
_gateway = Substitute.For <IGateway>();
_repo.RegisterCustomerTwo(Arg.Any <string>()).Returns(Result.Ok(new Customer()));
_gateway.SendMailTwo(Arg.Any <string>()).Returns(Result.Ok(new Customer()));
}
private CustomerCreatedResponse ImplementationTwo(CreateCustomerRequest request)
{
return(_repository.RegisterCustomerTwo("name")
.OnSuccess(customer => _gateway.SendMailTwo(customer.Name))
.OnBoth(x => x.IsSuccess
? new CustomerCreatedResponse {
CustomerId = x.Value.Id
}
: new CustomerCreatedResponse {
IsSuccess = false, ErrorMessage = x.Error
}));
}
public void RegisterCustomer_with_failing_gateway_returns_failure_response()
{
var sut = new CustomerRegistrationService(_repo, _gateway);
Dtos.CreateCustomerRequest request = new Dtos.CreateCustomerRequest {
Name = "Foo"
};
_gateway.SendMailTwo(Arg.Any <string>()).Returns(Result.Fail <Customer>("send mail new Customer()"));
var response = sut.RegisterCustomer(request);
response.IsSuccess.Should().BeFalse("because we are NOT in the happy case");
}
