public void OutOfStock(int productId)
{
products.Where(product => product.Id == productId).First().Stock = 0;
var system = new VendingSystem(products, bankedCoins);
system.PurchaseProduct(productId);
Assert.Equal("SOLD OUT", system.Display);
}
public void PurchaseProduct(int productId)
{
var system = new VendingSystem(products, bankedCoins);
system.TotalValue = 1.00m;
system.PurchaseProduct(productId);
Assert.Equal("THANK YOU", system.Display);
}
public void NotEnoughMoneyToPurchase(int productId, decimal initialMoney, string expectedDisplay)
{
var system = new VendingSystem(products, bankedCoins);
system.TotalValue = initialMoney;
system.PurchaseProduct(productId);
Assert.Equal(expectedDisplay, system.Display);
}
public void ReturnsChange(decimal purchasePrice, decimal expectedChange)
{
var system = new VendingSystem(products, bankedCoins);
system.TotalValue = 1.5m;
var change = system.MakeChange(purchasePrice);
Assert.Equal(expectedChange, change);
}
public void DispensesChangeNickelsAndDimes(decimal change, int expectedNumberOfDimes, int expectedNumberOfNickels)
{
var system = new VendingSystem(products, bankedCoins);
system.CalculateChangeInCoins(change);
var nickels = system.CoinsToDispense.Where(coins => coins.Key == CoinType.Nickel).FirstOrDefault();
var dimes = system.CoinsToDispense.Where(coins => coins.Key == CoinType.Dime).FirstOrDefault();
Assert.Equal(expectedNumberOfNickels, nickels.Value);
Assert.Equal(expectedNumberOfDimes, dimes.Value);
}
public void InsertCoinUpdatesCoinListAndValueAndDisplay(decimal coinWeight, decimal coinSize, CoinType expectedCoinType, decimal expectedValue)
{
var coin = new Coin(coinWeight, coinSize);
var system = new VendingSystem(products, bankedCoins);
system.InsertCoin(coin);
Assert.True(system.InsertedCoins.Select(coin => coin.CoinType).First() == expectedCoinType);
Assert.True(system.InsertedCoins.Select(coin => coin.Value).First() == expectedValue);
Assert.Equal("$" + expectedValue.ToString("0.00"), system.Display);
}
public void InitiatesWithNoChangeNoNickelsOneDime()
{
bankedCoins = new List <Coin>
{
new Coin(2.268m, 17.91m)
};
var system = new VendingSystem(products, bankedCoins);
Assert.Equal(products, system.Products);
Assert.Equal("EXACT CHANGE ONLY", system.Display);
Assert.True(system.NoChange);
}
public void InitiatesWithNoChangeTwoNickelsNoDimes()
{
bankedCoins = new List <Coin>
{
new Coin(5.000m, 21.21m),
new Coin(5.000m, 21.21m),
};
var system = new VendingSystem(products, bankedCoins);
Assert.Equal(products, system.Products);
Assert.Equal("EXACT CHANGE ONLY", system.Display);
Assert.True(system.NoChange);
}
public void ReturnsNoChange(decimal purchasePrice, decimal expectedChange)
{
bankedCoins = new List <Coin>
{
new Coin(5.000m, 21.21m),
new Coin(5.000m, 21.21m),
};
var system = new VendingSystem(products, bankedCoins);
system.TotalValue = 1.5m;
var change = system.MakeChange(purchasePrice);
Assert.Equal(expectedChange, change);
}
public void InitiatesWithChange()
{
var system = new VendingSystem(products, bankedCoins);
Assert.False(system.NoChange);
}
public void Initiates()
{
var system = new VendingSystem(products, bankedCoins);
Assert.Equal(products, system.Products);
}
public void StartsWithNoTotalValue()
{
var system = new VendingSystem(products, bankedCoins);
Assert.Equal(0.00m, system.TotalValue);
}
public void StartsWithNoCoins()
{
var system = new VendingSystem(products, bankedCoins);
Assert.Empty(system.InsertedCoins);
}
public void StartsWithInsertCoinDisplay()
{
var system = new VendingSystem(products, bankedCoins);
Assert.Equal("INSERT COIN", system.Display);
}