public void AddWarehouse_GivenANewWarehouse_AddsToDatabase()
{
// arrange
Warehouse warehouse = new Warehouse()
{
ID = 212
};
Mock <IWarehouseRepository> mockRepo = new Mock <IWarehouseRepository>();
LocationService sut = new LocationService(null, mockRepo.Object, null, null);
// act
sut.AddWarehouse(warehouse);
// assert
mockRepo.Verify(r => r.AddWarehouse(It.Is <Warehouse>(a => a.Equals(warehouse))), Times.Once());
}