public void NotBeSuccessful_WhenReservationDoesNotExist()
{
var repo = new Mock <IReservationRepository>();
repo
.Setup(r => r.Exists(123))
.Returns(false);
var service = new ReservationService(repo.Object);
Action sut = () => service.Cancel(123);
sut.Should().Throw <InvalidOperationException>();
}
public void BeSuccessful()
{
var repo = new Mock <IReservationRepository>();
repo
.Setup(r => r.Exists(123))
.Returns(true);
var service = new ReservationService(repo.Object);
service.Cancel(123);
repo.Verify(r => r.Delete(It.Is <int>(roomId => roomId == 123)), Times.Once());
}