public void Calculate_Total()
{
Item firstCoffee = new Item("C40:Coffee", 00.60m, 1);
Item secondCoffee = new Item("C40:Coffee", 00.60m, 1);
testCheckout.ScanItem(firstCoffee);
testCheckout.ScanItem(secondCoffee);
Assert.AreEqual(testCheckout.CalculateTotal(), 01.20m);
}
public void TestCheckoutWithSpecialPriceCriteriaMetReturnsSpecialPrice()
{
checkout.AddPricingRule(ItemARule);
AddItems(3, itemA);
int result = checkout.CalculateTotal();
Assert.Equal(130, result);
}
public void Pricing_NoItemsScanned_Calculates0()
{
decimal expected = 0.00M;
var checkout = new Checkout();
decimal actual = checkout.CalculateTotal();
Assert.Equal(expected, actual);
}
public void TestCalculateTotalPrice_Empty()
{
// Arrange
ICheckout checkout = new Checkout();
// Act
var total = checkout.CalculateTotal();
// Assert
Assert.AreEqual(0, total);
}
public void CalculateTotal_StandardCall_ResultAsExpected()
{
// Arrange
var expected = 0.0;
// Act
var actual = _checkout.CalculateTotal();
// Assert
actual.Should().Be(expected);
}
public void TestCalculateTotalPrice()
{
// Arrange
ICheckout checkout = new Checkout();
checkout.AddItem(new CheckoutItem("A", 50));
checkout.AddItem(new CheckoutItem("B", 30));
// Act
var total = checkout.CalculateTotal();
// Assert
Assert.AreEqual(80, total);
}
public void TestSpecialOffersAreApplied()
{
// Arrange
ICheckout checkout = new Checkout();
checkout.AddItem(new CheckoutItem("B", 30));
checkout.AddItem(new CheckoutItem("A", 50));
checkout.AddItem(new CheckoutItem("B", 30));
// Act
checkout.AddSpecialOffer(new MultiBuySpecialOffer(2, "B", 45));
// Assert
Assert.AreEqual(95, checkout.CalculateTotal());
}
public void TestSpecialOffersAreApplied_WithAdditionalItemsNotCoveredByOffer()
{
// Arrange
ICheckout checkout = new Checkout();
checkout.AddItem(new CheckoutItem("B", 30));
checkout.AddItem(new CheckoutItem("A", 50));
checkout.AddItem(new CheckoutItem("B", 30));
checkout.AddItem(new CheckoutItem("B", 30));
// Act
checkout.AddSpecialOffer(new MultiBuySpecialOffer(2, "B", 45));
// Assert
Assert.AreEqual(125, checkout.CalculateTotal());
}
public void Pricing_SimpleItemPricing_CalculatesPrice()
{
decimal expected = 10.00M;
var sku = new Sku("Item 1");
var item = new Item(sku, 5.00M, new DefaultPricingRule());
var checkout = new Checkout(item);
checkout.Scan(sku);
checkout.Scan(sku);
decimal actual = checkout.CalculateTotal();
Assert.Equal(expected, actual);
}
public void Pricing_TwoForOne_CalculatesCorrectPrice()
{
decimal expected = 10.00M;
var sku = new Sku("2 for 1 Item");
var twoForOnePricingRule = new XForYPricingRule(2, 1);
var twoForOneItem = new Item(sku, 10.00M, twoForOnePricingRule);
var checkout = new Checkout(twoForOneItem);
checkout.Scan(sku);
checkout.Scan(sku);
decimal actual = checkout.CalculateTotal();
Assert.Equal(expected, actual);
}
public void Pricing_ThreeForTwo_CalculatesCorrectPrice()
{
decimal expected = 20.00M;
var sku = new Sku("3 for 2 Item");
var threeForTwoPricingRule = new XForYPricingRule(3, 2);
var threeForTwoItem = new Item(sku, 10.00M, threeForTwoPricingRule);
var checkout = new Checkout(threeForTwoItem);
checkout.Scan(sku);
checkout.Scan(sku);
checkout.Scan(sku);
decimal actual = checkout.CalculateTotal();
Assert.Equal(expected, actual);
}
public void CalculateTotalTest80()
{
Checkout checkout = new Checkout("AB");
Assert.AreEqual(80, checkout.CalculateTotal(), 0.0001);
}
public void CalculateTotalTest175()
{
Checkout checkout = new Checkout("AAABB");
Assert.AreEqual(175, checkout.CalculateTotal(), 0.0001);
}
public void CalculateTotalTest115()
{
Checkout checkout = new Checkout("CDBA");
Assert.AreEqual(115, checkout.CalculateTotal(), 0.0001);
}
public void CalculateTotalTest100Lower()
{
Checkout checkout = new Checkout("aa");
Assert.AreEqual(100, checkout.CalculateTotal(), 0.0001);
}
public void ScanOneApple()
{
basket.Scan("A99");
Assert.AreEqual(50, checkout.CalculateTotal());
}
public void Calculates_total_owed()
{
checkout.CalculateTotal(basketItems, productList);
Assert.AreEqual(checkout.total, 2.6m);
}
public void CalculateTotalTest115Extra()
{
Checkout checkout = new Checkout("ABCDEF");
Assert.AreEqual(115, checkout.CalculateTotal(), 0.0001);
}
