public void when_email_is_saving_then_new_guid_id_should_be_returned()
{
var newGuid = Guid.NewGuid();
_emailPersister.PersistEmail(Arg.Any <EmailMessage>(), Arg.Any <EmailSendingStatus>()).Returns(newGuid);
var result = Act();
Assert.Equal(newGuid, result.ReturnedMailId);
}
public Guid SaveEmail(EmailMessage message)
{
ValidateEmailMessage(message);
var processedMessage = ProcessMessage(message);
return(_emailPersister.PersistEmail(processedMessage, EmailSendingStatus.Pending));
}