public void GetById_ShouldThrowException_IfThereIsNoCarWithThatId()
{
// Arrange
var mock = new Mock<IDatabase>();
mock.Setup(m => m.Cars).Returns(new List<Car>() { }); ;
var fakeDB = mock.Object;
var carsRepository = new CarsRepository(fakeDB);
// Act and Assert
var ex = Assert.Throws<ArgumentException>(() => carsRepository.GetById(7));
Assert.IsTrue(ex.Message.Contains("Car with such Id could not be found"));
}
public void TestCarsRepository_GetByIdValidParameter_ShouldReturnCar()
{
var carRepo = new CarsRepository();
var car = new Car { Id = 1, Make = "Audi", Model = "A5", Year = 2005 };
carRepo.Add(car);
Assert.AreEqual(car, carRepo.GetById(car.Id));
}
public void GetById_ShouldFindCarById()
{
// Arrange
var car = new Car { Id = 1, Make = "Audi", Model = "A5", Year = 2005 };
var mock = new Mock<IDatabase>();
mock.Setup(m => m.Cars).Returns(new List<Car>() { });
var fakeDB = mock.Object;
fakeDB.Cars.Add(car);
var carsRepository = new CarsRepository(fakeDB);
// Act
var result = carsRepository.GetById(1);
// Assert
mock.Verify(m => m.Cars, Times.Exactly(2));
}
public void TestCarsRepository_GetByIdInvalidParameter_ShouldThrowArgumentException()
{
var carRepo = new CarsRepository();
Assert.Throws<ArgumentException>(() => carRepo.GetById(5));
}
