public void PurchaseProduct_When_TwoOneEuroCoinsAddedChickenSoupProductPurchased_Then_ReturnSuccess()
{
//Arrange
var coin = Coin.OneEuro;
var product = Product.ChickenSoup;
var coinReturned = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents)
};
var inventory = new List <ProductSlot>
{
new ProductSlot(product)
};
var purse = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents),
new CoinSlot(Coin.FiftyCents)
};
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
sut.InsertCoin(coin);
var actual = sut.PurchaseProduct(product);
//Assert
actual.HasFailed.Should().BeFalse();
actual.ProductPurchased.Should().Be(product);
actual.CoinsReturned.Should().BeEquivalentTo(coinReturned);
}
public void PurchaseProduct_When_OneEuroCoinsAddedEspressoProductPurchased_Then_ReturnFailed()
{
//Arrange
var coin = Coin.OneEuro;
var product = Product.Espresso;
var inventory = new List <ProductSlot>
{
new ProductSlot(product)
};
var purse = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents)
};
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
var actual = sut.PurchaseProduct(product);
//Assert
actual.HasFailed.Should().BeTrue();
actual.PurchaseFailedReason.Should().Be(PurchaseFailedType.InsufficientCoins);
actual.ProductPurchased.Should().Be(product);
}
public void InsertCoin_When_TwoFiftyCentCoinInserted_Then_ReturnSuccess()
{
//Arrange
decimal expectedCurrentAmount = 1.00m;
var inventory = new List <ProductSlot>();
var purse = new List <CoinSlot>();
var vendingMachine = new VendingMachine(inventory, purse);
var coin = Coin.FiftyCents;
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
var actual = sut.InsertCoin(coin);
//Assert
actual.HasFailed.Should().BeFalse();
actual.CurrentAmount.Should().Be(expectedCurrentAmount);
}
public void CancelPurchase_When_TwoTenCentCoinsAddedAndPurchaseCanceled_Then_ReturnSuccess()
{
//Arrange
var coin = Coin.TwentyCents;
var coinsReturned = new List <CoinSlot>
{
new CoinSlot(Coin.TwentyCents, 2)
};
var inventory = new List <ProductSlot>();
var purse = new List <CoinSlot>();
var vendingMachine = new VendingMachine(inventory, purse);
var sut = new PurchaseProductUseCase(vendingMachine);
//Act
sut.InsertCoin(coin);
sut.InsertCoin(coin);
var actual = sut.CancelPurchase();
//Assert
actual.HasFailed.Should().BeFalse();
actual.CoinsReturned.Should().BeEquivalentTo(coinsReturned);
}
public async Task ReceiveInsertedCoin(string coinId)
{
Coin coinToBeInserted;
switch (coinId)
{
case "tenCentCoin":
coinToBeInserted = Coin.TenCents;
break;
case "twentyCentCoin":
coinToBeInserted = Coin.TwentyCents;
break;
case "fiftyCentCoin":
coinToBeInserted = Coin.FiftyCents;
break;
case "oneEuroCoin":
coinToBeInserted = Coin.OneEuro;
break;
default:
await SendVendingMachineMessage("Coin not found, please try again!");
throw new Exception($"Please insert valid coinId, actual: {coinId}");
}
var result = _useCase.InsertCoin(coinToBeInserted);
string message;
if (result.HasFailed)
{
message = $"{result.Message} failed, because amount of money can't exceed above €2,00 \r\n" +
$"Amount of money: €{result.CurrentAmount}";
}
else
{
message = $"{result.Message} \r\n" +
$"Amount of money: {result.CurrentAmount}";
}
await SendVendingMachineMessage(message);
}