public void SetUp()
{
mailSenderFake = Substitute.For<MailSender>();
// this is the version where we decide to keep the unit large
// i.e. include collaborating classes rather than unit testing
// them separately
//orderConfirmer = new OrderConfirmer(mailSenderFake, new OrderConfirmationEmailBuilder());
// alternative is to test them separately
//
orderConfirmationEmailBuilderFake = Substitute.For<OrderConfirmationEmailBuilder>();
orderConfirmer = new OrderConfirmer(mailSenderFake, orderConfirmationEmailBuilderFake);
}
public OrderConfirmer(MailSender mailSender, OrderConfirmationEmailBuilder orderConfirmationEmailBuilder)
{
this.mailSender = mailSender;
this.orderConfirmationEmailBuilder = orderConfirmationEmailBuilder;
}