public void WhenAmountIsWithDrawnThenCashmachineShouldReturnCorrectNotesAndCoinsPairs()
{
INoteSelector noteSelector = new NoteSelectorAlogrithm1();
ICoinSelecotr coinSelector = new CoinSelector();
var availableNotes = new Dictionary <int, int> {
{ 50, 2 },
{ 20, 2 },
{ 10, 0 },
{ 5, 0 },
{ 2, 0 },
{ 1, 0 }
};
var availableCoins = new Dictionary <int, int> {
{ 50, 10 },
{ 20, 10 },
{ 10, 0 },
{ 5, 5 },
{ 2, 5 },
{ 1, 5 }
};
var cashMachine = new Cashmachine(noteSelector, coinSelector, availableNotes, availableCoins);
var result = cashMachine.WithdrawCash(120.28m);
Assert.AreEqual(result.Notes[50], 2);
Assert.AreEqual(result.Notes[20], 1);
Assert.AreEqual(result.Coins[20], 1);
Assert.AreEqual(result.Coins[5], 1);
Assert.AreEqual(result.Coins[2], 1);
Assert.AreEqual(result.Coins[1], 1);
}
public void WhenAlgo1IsUseThenCashmachineShouldUse50NotesIfAvailable()
{
INoteSelector noteSelector = new NoteSelectorAlogrithm1();
ICoinSelecotr coinSelector = new CoinSelector();
var availableNotes = new Dictionary <int, int> {
{ 50, 2 },
{ 20, 2 },
{ 10, 0 },
{ 5, 0 },
{ 2, 0 },
{ 1, 0 }
};
var availableCoins = new Dictionary <int, int> {
{ 50, 10 },
{ 20, 10 },
{ 10, 0 },
{ 5, 5 },
{ 2, 5 },
{ 1, 5 }
};
var cashMachine = new Cashmachine(noteSelector, coinSelector, availableNotes, availableCoins);
var result = cashMachine.WithdrawCash(120.28m);
Assert.AreEqual(result.Notes[50], 2);
Assert.AreEqual(result.Notes[20], 1);
Assert.AreEqual(result.Coins[20], 1);
Assert.AreEqual(result.Coins[5], 1);
Assert.AreEqual(result.Coins[2], 1);
Assert.AreEqual(result.Coins[1], 1);
}
public void WhenWithdrawCashThenAvailableBalanceMustBeUpdated()
{
INoteSelector noteSelector = new NoteSelectorAlogrithm1();
ICoinSelecotr coinSelector = new CoinSelector();
var availableNotes = new Dictionary <int, int> {
{ 50, 2 },
{ 20, 5 },
{ 10, 1 },
{ 5, 1 },
{ 2, 1 },
{ 1, 1 }
};
var availableCoins = new Dictionary <int, int> {
{ 50, 1 },
{ 20, 1 },
{ 10, 1 },
{ 5, 1 },
{ 2, 1 },
{ 1, 1 }
};
decimal beforeWithdrawBalance = (HelperMethods.GetBalance(availableNotes, availableCoins));
var cashMachine = new Cashmachine(noteSelector, coinSelector, availableNotes, availableCoins);
var result = cashMachine.WithdrawCash(120.28m);
decimal afterWithdrawBalance = (HelperMethods.GetBalance(availableNotes, availableCoins));
Assert.AreEqual(218.88m, beforeWithdrawBalance);
Assert.AreEqual(98.6m, afterWithdrawBalance);
}
