public async Task Given_ValidCarRequest_UpdatesCar()
{
// Arrange.
var carBeforeUpdate = _fixture.Create <Car>();
var carAfterUpdate = _fixture.Create <Car>();
var request = _fixture.Create <UpdateCarRequest>();
request.Id = carBeforeUpdate.Id;
_carRepositoryCache.GetAllCars().Returns(new List <Car>()
{
carBeforeUpdate
});
await _carRepository.Update(Arg.Any <Car>());
_requestMapper.Map(Arg.Any <UpdateCarRequest>()).Returns(carAfterUpdate);
// Act.
var response = await _sut.Update(request);
// Assert.
response.Should().Be(carAfterUpdate);
_carRepositoryCache.Received(1).InvalidateCache();
_carRepository.Received(1).Update(Arg.Is <Car>(carAfterUpdate));
}
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 async Task Given_ValidCarRequest_Returns_Car()
{
// Arrange.
var cars = _fixture.CreateMany <Car>(5).ToList();
_carRepository.GetAllCars().Returns(cars);
// Act.
var response = await _sut.GetAllCars();
// Assert.
response.Count().Should().Be(cars.Count);
cars.ForEach(c => response.Should().Contain(c));
}
public async Task <Car> Update(IUpdateCarRequest updateCarRequest)
{
// TODO: We need Get by id in repository.
var allCars = await _carRepositoryCache.GetAllCars();
var carToUpdate = allCars.Where(c => c.Id == updateCarRequest.Id).FirstOrDefault();
if (carToUpdate == null)
{
throw new HttpResponseException(System.Net.HttpStatusCode.BadRequest);
}
var mappedRequest = _updateCarRequestMapper.Map(updateCarRequest);
await _carRepository.Update(mappedRequest);
_carRepositoryCache.InvalidateCache();
return(mappedRequest);
}
public async Task <IDiscountCalculatorResponse> CalculateDiscount(IReadOnlyList <int> carIds)
{
var allCars = await _carRepositoryCache.GetAllCars();
var resolvedCars = allCars.Where(c => carIds.Contains(c.Id)).ToList();
if (resolvedCars.Count != carIds.Count())
{
throw new HttpResponseException(System.Net.HttpStatusCode.BadRequest);
}
var totalDiscount = _discountCalculators
.Sum(c => c.CalculateDiscount(resolvedCars));
return(new DiscountCalculatorResponse
{
Discount = totalDiscount,
Cars = resolvedCars
});
}
public async Task <IReadOnlyList <Repository.Cars.Car> > GetAllCars()
{
return(await _carRepositoryCache.GetAllCars());
}