public void GetAllShippers_ResultExistsInCache_ReturnsTheListOfShippers()
{
// arrange
List <Shipper> expected = new List <Shipper>();
expected.Add(new Shipper()
{
ID = 1
});
expected.Add(new Shipper()
{
ID = 2
});
expected.Add(new Shipper()
{
ID = 3
});
expected.Add(new Shipper()
{
ID = 4
});
Mock <ObjectCache> mockCache = new Mock <ObjectCache>();
mockCache.Setup(c => c["allShippers"]).Returns(expected);
ShippingService sut = new ShippingService(null, null, null, mockCache.Object);
// act
var actual = sut.GetAllShippers();
// assert
Assert.IsTrue(Equality.AreEqual(expected, actual));
mockCache.Verify(c => c["allShippers"], Times.Once());
}
public void GetAllShippers_ResultNotExistsInCache_FetchesTheResultFromDatabase()
{
// arrange
List <Shipper> expected = new List <Shipper>();
expected.Add(new Shipper()
{
ID = 1
});
expected.Add(new Shipper()
{
ID = 2
});
expected.Add(new Shipper()
{
ID = 3
});
expected.Add(new Shipper()
{
ID = 4
});
Mock <IShipperRepository> mockShipperRepo = new Mock <IShipperRepository>();
mockShipperRepo.Setup(r => r.GetAllShippers()).Returns(expected);
Mock <ObjectCache> mockCache = new Mock <ObjectCache>();
ShippingService sut = new ShippingService(mockShipperRepo.Object, null, null, mockCache.Object);
// act
var actual = sut.GetAllShippers();
// assert
Assert.IsTrue(Equality.AreEqual(expected, actual));
mockShipperRepo.Verify(r => r.GetAllShippers(), Times.Once());
mockCache.Verify(
c => c.Set(
It.Is <string>(s => s.Equals("allShippers")),
It.Is <IEnumerable <Shipper> >(l => l.Count() == 4),
It.IsAny <CacheItemPolicy>(),
null),
Times.Once());
}
