public void Get_Rental_By_Id()
{
var dt = DateTime.Now;
var rentals = new List <Rental>()
{
new Rental
{
Id = 111,
Since = DateTime.Now,
Until = DateTime.Now
},
new Rental
{
Id = 222,
Since = DateTime.Now,
Until = dt
},
new Rental
{
Id = 333,
Since = DateTime.Now,
Until = DateTime.Now
}
}.AsQueryable();
var mockDbSet = new Mock <DbSet <Rental> >();
mockDbSet.As <IQueryable <Rental> >().Setup(p => p.Provider).Returns(rentals.Provider);
mockDbSet.As <IQueryable <Rental> >().Setup(p => p.Expression).Returns(rentals.Expression);
mockDbSet.As <IQueryable <Rental> >().Setup(p => p.ElementType).Returns(rentals.ElementType);
mockDbSet.As <IQueryable <Rental> >().Setup(p => p.GetEnumerator()).Returns(rentals.GetEnumerator);
var mockContext = new Mock <RentalContext>();
mockContext.Setup(r => r.Rentals).Returns(mockDbSet.Object);
var service = new RentalService(mockContext.Object);
var rental = service.GetById(222);
rental.Id.Should().Be(222);
rental.Until.Should().Be(dt);
}