public async Task Given_InvalidCarsToPurchase_Should_ThrowException()
{
var cars = _fixture.CreateMany <Repository.Cars.Car>(3).ToList();
cars[0].Id = 1;
cars[1].Id = 2;
cars[2].Id = 3;
_carRepositoryCache.GetAllCars().Returns(cars);
// Act.
Assert.ThrowsAsync <HttpResponseException>(async() => await _sut.CalculateDiscount(new List <int> {
1, 2, 3, 4
}));
}
public Task <IDiscountCalculatorResponse> Post(List <int> carIdsToPurchase)
{
return(_purchasePriceCalculatorService.CalculateDiscount(carIdsToPurchase));
}