public void AddShipper_GivenANewShipper_AddsToDatabase()
{
// arrange
Shipper shipper = new Shipper()
{
ID = 3, Name = "DHL"
};
Mock <IShipperRepository> mockShipperRepo = new Mock <IShipperRepository>();
ShippingService sut = new ShippingService(mockShipperRepo.Object, null, null, null);
// act
sut.AddShipper(shipper);
// assert
mockShipperRepo.Verify(
r => r.AddShipper(It.Is <Shipper>(s => s.ID == 3 && s.Name.Equals("DHL"))),
Times.Once());
}
