public void GivenTwoAccounts_WhenTransferAndSenderHasNotEnoughMoney_ThrowsInvalidOperationException_AndBalancesAreNotUpdated()
{
var senderAccount = GetAccountByClientId.Execute("pasku123");
var receiverAccount = GetAccountByClientId.Execute("kamaradaGus");
var previousReceiverBalance = receiverAccount.GetBalance();
var previousSenderBalance = senderAccount.GetBalance();
TestDelegate mustThrow = () => TransferAmount.Execute(senderAccount, receiverAccount, previousSenderBalance + 1);
Assert.Throws <InvalidOperationException>(mustThrow);
Assert.AreEqual(previousReceiverBalance, receiverAccount.GetBalance());
Assert.AreEqual(previousSenderBalance, senderAccount.GetBalance());
}
public void GivenTwoAccounts_WhenTransferNegativeAmount_ThrowsArgumentException_AndBalancesAreNotUpdated()
{
var senderAccount = GetAccountByClientId.Execute("pasku123");
var receiverAccount = GetAccountByClientId.Execute("kamaradaGus");
var previousReceiverBalance = receiverAccount.GetBalance();
var previousSenderBalance = senderAccount.GetBalance();
TestDelegate mustThrow = () => TransferAmount.Execute(senderAccount, receiverAccount, -10);
Assert.Throws <ArgumentException>(mustThrow);
Assert.AreEqual(previousReceiverBalance, receiverAccount.GetBalance());
Assert.AreEqual(previousSenderBalance, senderAccount.GetBalance());
}
public void GivenTwoAccounts_WhenTransfer_AddsAmountToReceiver()
{
var senderAccount = GetAccountByClientId.Execute("pasku123");
var receiverAccount = GetAccountByClientId.Execute("kamaradaGus");
var previousBalance = receiverAccount.GetBalance();
TransferAmount.Execute(senderAccount, receiverAccount, 10);
var actual = receiverAccount.GetBalance();
var expected = previousBalance + 10;
Assert.AreEqual(expected, actual);
}