public async Task ReturnsTotalCost_SingleItem_SingleQuantity()
{
var itemRepository = new InMemoryItemRepository();
var itemReadRepository = new InMemoryItemReadRepository();
itemRepository.EventOccurred += async entity => await new ItemReadModelHandler(itemReadRepository).Handle(entity.NewEvents.ToList <object>());
var itemController =
new ItemController(itemRepository, itemReadRepository)
.BootstrapForTests();
var postNewPotatoItemDto = new PostRequestDto
{
Code = "potato",
Price = 30
};
var postPotatoResult = await itemController.Post(postNewPotatoItemDto);
var potatoDto = (ItemDto)postPotatoResult.Value;
var calculatorController = new CalculatorController(itemRepository, new InMemoryCouponReadRepository())
.BootstrapForTests();
var calculatorComputeCostRequestDto =
new CalculatorComputeCostRequestDto
{
ShoppingItems =
new List <ShoppingItemDto>
{
new ShoppingItemDto
{
Id = potatoDto.Id,
Quantity = 1
}
}
};
var result = await calculatorController.ComputeCost(calculatorComputeCostRequestDto);
Assert.Equal((int)HttpStatusCode.OK, result.StatusCode);
Assert.NotNull(result.Value);
var dto = (CalculatorComputeCostDto)result.Value;
Assert.Equal(30, dto.TotalCost);
}
public async Task <ObjectResult> Post([FromBody] PostRequestDto postRequestDto)
{
var existingItem = await _readRepository.GetAsync(postRequestDto.Code);
if (existingItem != null)
{
var selfUrl = Url.Action("GetByItemCode", new { code = existingItem.Code });
return(new SeeOtherObjectResult(selfUrl, MapToDto(existingItem)));
}
else
{
var entity = new Model.Item(
id: Guid.NewGuid(),
code: postRequestDto.Code,
price: postRequestDto.Price,
itemTypeId: postRequestDto.ItemTypeId);
await _repository.SaveAsync(entity, DateTimeOffset.UtcNow);
var selfUrl = Url.Action("GetByItemCode", new { code = entity.Code });
return(Created(selfUrl, MapToDto(entity)));
}
}
public async Task ApplyHighestDiscount_TwoItems_DiscountedOneItemByFixedAmountAndPercentage()
{
var itemRepository = new InMemoryItemRepository();
var itemReadRepository = new InMemoryItemReadRepository();
itemRepository.EventOccurred += async entity => await new ItemReadModelHandler(itemReadRepository).Handle(entity.NewEvents.ToList <object>());
var itemController =
new ItemController(itemRepository, itemReadRepository)
.BootstrapForTests();
var postNewPotatoItemDto = new PostRequestDto
{
Code = "potato",
Price = 30
};
var postPotatoResult = await itemController.Post(postNewPotatoItemDto);
var potatoDto = (ItemDto)postPotatoResult.Value;
var postNewLettuceItemDto = new PostRequestDto
{
Code = "lettuce",
Price = 50
};
var postLettuceResult = await itemController.Post(postNewLettuceItemDto);
var lettuceDto = (ItemDto)postLettuceResult.Value;
var setDiscountOnPotatoDto = new SetDiscountRequestDto
{
AmountOff = 5
};
await itemController.SetDiscount(potatoDto.Id, setDiscountOnPotatoDto);
var calculatorController = new CalculatorController(itemRepository, new InMemoryCouponReadRepository())
.BootstrapForTests();
var calculatorComputeCostRequestDto =
new CalculatorComputeCostRequestDto
{
ShoppingItems =
new List <ShoppingItemDto>
{
new ShoppingItemDto
{
Id = potatoDto.Id,
Quantity = 3
},
new ShoppingItemDto
{
Id = lettuceDto.Id,
Quantity = 1
}
}
};
var result = await calculatorController.ComputeCost(calculatorComputeCostRequestDto);
Assert.Equal((int)HttpStatusCode.OK, result.StatusCode);
Assert.NotNull(result.Value);
var dto = (CalculatorComputeCostDto)result.Value;
Assert.Equal(125, dto.TotalCost);
}
public async Task ApplyHighestDiscount_HasAmountOffHasPercentOffHasCoupon(
string testName,
double itemPercentOff,
decimal itemAmountOff,
double couponPercentOff,
decimal expectedTotalCost)
{
var itemRepository = new InMemoryItemRepository();
var itemReadRepository = new InMemoryItemReadRepository();
itemRepository.EventOccurred += async entity => await new ItemReadModelHandler(itemReadRepository).Handle(entity.NewEvents.ToList <object>());
var itemController =
new ItemController(itemRepository, itemReadRepository)
.BootstrapForTests();
var postNewPotatoItemDto = new PostRequestDto
{
Code = "potato",
Price = 50
};
var postPotatoResult = await itemController.Post(postNewPotatoItemDto);
var potatoDto = (ItemDto)postPotatoResult.Value;
var setDiscountOnPotatoDto = new SetDiscountRequestDto
{
PercentOff = itemPercentOff,
AmountOff = itemAmountOff
};
await itemController.SetDiscount(potatoDto.Id, setDiscountOnPotatoDto);
var couponRepository = new InMemoryCouponRepository();
var couponReadRepository = new InMemoryCouponReadRepository();
couponRepository.EventOccurred += async entity =>
await new CouponReadModelHandler(couponReadRepository).Handle(entity.NewEvents.ToList <object>());
var couponController = new CouponController(couponRepository)
.BootstrapForTests();
var postRequestDto = new ShoppingCartApi.Controllers.Coupon.PostRequestDto
{
Code = "GRAND_SALE",
PercentOff = couponPercentOff
};
await couponController.Post(postRequestDto);
var calculatorController =
new CalculatorController(itemRepository, couponReadRepository)
.BootstrapForTests();
var calculatorComputeCostRequestDto =
new CalculatorComputeCostRequestDto
{
CouponCode = "GRAND_SALE",
ShoppingItems =
new List <ShoppingItemDto>
{
new ShoppingItemDto
{
Id = potatoDto.Id,
Quantity = 2
}
}
};
var result = await calculatorController.ComputeCost(calculatorComputeCostRequestDto);
Assert.Equal((int)HttpStatusCode.OK, result.StatusCode);
Assert.NotNull(result.Value);
var dto = (CalculatorComputeCostDto)result.Value;
Assert.Equal(expectedTotalCost, dto.TotalCost);
}
public async Task ApplyDiscount_FromCoupon()
{
var itemRepository = new InMemoryItemRepository();
var itemReadRepository = new InMemoryItemReadRepository();
itemRepository.EventOccurred += async entity => await new ItemReadModelHandler(itemReadRepository).Handle(entity.NewEvents.ToList <object>());
var itemController =
new ItemController(itemRepository, itemReadRepository)
.BootstrapForTests();
var postNewPotatoItemDto = new PostRequestDto
{
Code = "potato",
Price = 30
};
var postPotatoResult = await itemController.Post(postNewPotatoItemDto);
var potatoDto = (ItemDto)postPotatoResult.Value;
var postNewLettuceItemDto = new PostRequestDto
{
Code = "lettuce",
Price = 50
};
var postLettuceResult = await itemController.Post(postNewLettuceItemDto);
var lettuceDto = (ItemDto)postLettuceResult.Value;
var couponRepository = new InMemoryCouponRepository();
var couponReadRepository = new InMemoryCouponReadRepository();
couponRepository.EventOccurred += async entity =>
await new CouponReadModelHandler(couponReadRepository).Handle(entity.NewEvents.ToList <object>());
var couponController = new CouponController(couponRepository)
.BootstrapForTests();
var postRequestDto = new ShoppingCartApi.Controllers.Coupon.PostRequestDto
{
Code = "GRAND_SALE",
PercentOff = 20
};
await couponController.Post(postRequestDto);
var calculatorController =
new CalculatorController(itemRepository, couponReadRepository)
.BootstrapForTests();
var calculatorComputeCostRequestDto =
new CalculatorComputeCostRequestDto
{
CouponCode = "GRAND_SALE",
ShoppingItems =
new List <ShoppingItemDto>
{
new ShoppingItemDto
{
Id = potatoDto.Id,
Quantity = 3
},
new ShoppingItemDto
{
Id = lettuceDto.Id,
Quantity = 1
}
}
};
var result = await calculatorController.ComputeCost(calculatorComputeCostRequestDto);
Assert.Equal((int)HttpStatusCode.OK, result.StatusCode);
Assert.NotNull(result.Value);
var dto = (CalculatorComputeCostDto)result.Value;
Assert.Equal(112, dto.TotalCost);
}