public void BuyProduct_ShouldReturn_CoinChanges(
decimal deposit,
string productName,
decimal expectedReturnVal,
int expectedOneEuroCoinAmount,
int expectedFiftyCentCoinAmount,
int expectedTwentyCentCoinAmount,
int expectedTenCentCoinAmount
)
{
// arrange
_vendingMachineService.InsertCoinsFromTestInput(deposit.ToWalletDto());
// action
var result = _vendingMachineService.BuyProductAsync(productName).Result;
// assert
Assert.That(result, Is.Not.Null);
Assert.That(result.Wallet, Is.Not.Null);
Assert.That(result.Wallet.TotalValue, Is.EqualTo(expectedReturnVal));
Assert.That(result.Wallet.OneEuroCoinAmount, Is.EqualTo(expectedOneEuroCoinAmount));
Assert.That(result.Wallet.FiftyCentCoinAmount, Is.EqualTo(expectedFiftyCentCoinAmount));
Assert.That(result.Wallet.TwentyCentCoinAmount, Is.EqualTo(expectedTwentyCentCoinAmount));
Assert.That(result.Wallet.TenCentCoinAmount, Is.EqualTo(expectedTenCentCoinAmount));
}
public void BuyProduct_SomeCoinsAreEmpty_ShouldReturn_OtherCoinChanges(
decimal deposit,
string productName,
decimal expectedReturnVal,
int initialOneEuroAmount,
int initialFiftyCentAmount,
int initialTwentyCentAmount,
int initialTenCentAmount,
int expectedOneEuroCoinAmount,
int expectedFiftyCentCoinAmount,
int expectedTwentyCentCoinAmount,
int expectedTenCentCoinAmount
)
{
// arrange
_walletFactory = new WalletFactory(
initialOneEuroAmount,
initialFiftyCentAmount,
initialTwentyCentAmount,
initialTenCentAmount
);
_vendingMachineService = new VendingMachineService(_walletFactory);
_vendingMachineService.InsertCoinsFromTestInput(deposit.ToWalletDto());
// action
var result = _vendingMachineService.BuyProductAsync(productName).Result;
// assert
Assert.That(result, Is.Not.Null);
Assert.That(result.IsSuccess, Is.True);
Assert.That(result.Wallet, Is.Not.Null);
Assert.That(result.Wallet.TotalValue, Is.EqualTo(expectedReturnVal));
Assert.That(result.Wallet.OneEuroCoinAmount, Is.EqualTo(expectedOneEuroCoinAmount));
Assert.That(result.Wallet.FiftyCentCoinAmount, Is.EqualTo(expectedFiftyCentCoinAmount));
Assert.That(result.Wallet.TwentyCentCoinAmount, Is.EqualTo(expectedTwentyCentCoinAmount));
Assert.That(result.Wallet.TenCentCoinAmount, Is.EqualTo(expectedTenCentCoinAmount));
}
public void BuyProduct_NoCoinChangeAvailable_ShouldRevertOrder(
decimal deposit,
string productName,
int initialOneEuroAmount,
int initialFiftyCentAmount,
int initialTwentyCentAmount,
int initialTenCentAmount,
int expectedOneEuroCoinAmount,
int expectedFiftyCentCoinAmount,
int expectedTwentyCentCoinAmount,
int expectedTenCentCoinAmount)
{
// arrange
_walletFactory = new WalletFactory(
initialOneEuroAmount,
initialFiftyCentAmount,
initialTwentyCentAmount,
initialTenCentAmount
);
_vendingMachineService = new VendingMachineService(_walletFactory);
_vendingMachineService.InsertCoinsFromTestInput(deposit.ToWalletDto());
// action
var result = _vendingMachineService.BuyProductAsync(productName).Result;
// assert
Assert.That(result, Is.Not.Null);
Assert.That(result.IsSuccess, Is.False);
Assert.That(result.Message, Is.EqualTo("Order is cancelled. Sorry, there is no sufficient coin changes."));
Assert.That(result.Wallet, Is.Not.Null);
Assert.That(result.Wallet.TotalValue, Is.EqualTo(0));
Assert.That(result.Wallet.OneEuroCoinAmount, Is.EqualTo(expectedOneEuroCoinAmount));
Assert.That(result.Wallet.FiftyCentCoinAmount, Is.EqualTo(expectedFiftyCentCoinAmount));
Assert.That(result.Wallet.TwentyCentCoinAmount, Is.EqualTo(expectedTwentyCentCoinAmount));
Assert.That(result.Wallet.TenCentCoinAmount, Is.EqualTo(expectedTenCentCoinAmount));
}