public void NoTransactionsExpectNoBalances()
{
var calculator = new BalanceCalculator();
var amount = new Amount()
{
AmountInPennies = 10, BalancePolarity = BalancePolarity.Credit
};
var now = DateTime.Now.Date;
var transactions = new List <Transaction>()
{
};
var result = calculator.CalculateBalances(amount, transactions);
Assert.Empty(result);
}
public void CalculationWithNegativeBalance()
{
var calculator = new BalanceCalculator();
var amount = new Amount()
{
AmountInPennies = 10, BalancePolarity = BalancePolarity.Credit
};
var now = DateTime.Now.Date;
var transactions = new List <Transaction>()
{
new Transaction()
{
AmountInPennies = 2, BalancePolarity = BalancePolarity.Debit, BookingDate = now.AddDays(-1)
},
new Transaction()
{
AmountInPennies = 13, BalancePolarity = BalancePolarity.Debit, BookingDate = now.AddDays(-2)
},
new Transaction()
{
AmountInPennies = 5, BalancePolarity = BalancePolarity.Debit, BookingDate = now.AddDays(-4)
},
};
var result = calculator.CalculateBalances(amount, transactions);
Assert.Equal(3, result.Length);
var yesterday = result[0];
var TwoDaysAgo = result[1];
var FourDaysAgo = result[2];
Assert.True(yesterday.Date == now.AddDays(-1));
Assert.True(yesterday.AmountInPennies == 8);
Assert.True(TwoDaysAgo.Date == now.AddDays(-2));
Assert.True(TwoDaysAgo.AmountInPennies == -5);
Assert.True(FourDaysAgo.Date == now.AddDays(-4));
Assert.True(FourDaysAgo.AmountInPennies == -10);
}
public void ExampleTest()
{
BalanceCalculator.Node[] tree =
{
new BalanceCalculator.Node(-2, -1, 1),
new BalanceCalculator.Node(8, 3, 2),
new BalanceCalculator.Node(9, -1, -1),
new BalanceCalculator.Node(3, 4, 5),
new BalanceCalculator.Node(0, -1, -1),
new BalanceCalculator.Node(6, -1, -1)
};
BalanceCalculator.DfsAsync(tree, tree[0]).Wait();
tree[0].Balance.Should().Be(3);
tree[1].Balance.Should().Be(-1);
tree[2].Balance.Should().Be(0);
tree[3].Balance.Should().Be(0);
tree[4].Balance.Should().Be(0);
tree[5].Balance.Should().Be(0);
}
public void TestBalanceCalculator()
{
BalanceCalculator bc = new BalanceCalculator();
Assert.AreEqual(105, bc.EndBalance(100, 0.05m));
}
