public void Checkout_get_total_price_bulk_matching_offer_mixed_items_at_checkout()
{
// Setup
ICheckout checkout = new CheckoutController(productInventory);
Product inventoryProductA = productInventory.Get("A");
MultiDeal multiDealA = inventoryProductA.MultiDeal;
for (int i = 0; i < multiDealA.Units; i++)
{
checkout.Scan(inventoryProductA);
}
Product inventoryProductB = productInventory.Get("B");
MultiDeal multiDealB = inventoryProductB.MultiDeal;
for (int i = 0; i < multiDealB.Units; i++)
{
checkout.Scan(inventoryProductB);
}
int expectedPrice = multiDealA.MultiDealPrice + multiDealB.MultiDealPrice;
// Act
int actualTotalPrice = checkout.GetTotalPrice();
// Assert
Assert.AreEqual(expectedPrice, actualTotalPrice);
}
public void Checkout_get_total_price_at_complete_checkout()
{
// Setup
ICheckout checkout = new CheckoutController(productInventory);
Product productA = productInventory.Get("A");
MultiDeal multiDealA = productA.MultiDeal;
for (int i = 0; i < multiDealA.Units; i++)
{
checkout.Scan(productA);
}
checkout.Scan(productA);
Product productB = productInventory.Get("B");
MultiDeal multiDealB = productB.MultiDeal;
for (int i = 0; i < multiDealB.Units; i++)
{
checkout.Scan(productB);
}
checkout.Scan(productB);
int expectedPrice = multiDealA.MultiDealPrice + productA.Price + multiDealB.MultiDealPrice + productB.Price;
// Act
int actualTotalPrice = checkout.CompleteCheckout();
// Assert
Assert.AreEqual(expectedPrice, actualTotalPrice);
}
public void MultiDeal_check_price_validation()
{
// Setup
// Act
// Assert
try
{
MultiDeal multiDeal = new MultiDeal(10, 0, lastWeek, nextWeek);
Assert.Fail("Fail: price can't be less than one, '0' given.");
}
catch
{
// Test passes.
}
try
{
MultiDeal multiDeal = new MultiDeal(10, -1, lastWeek, nextWeek);
Assert.Fail("Fail: price can't be less than one, '-1' given.");
}
catch
{
// Test passes.
}
}
public void Checkout_get_total_price_bulk_matching_offer_same_item_at_checkout_inc_offer_change()
{
// Setup
ICheckout checkout = new CheckoutController(productInventory);
string testSku = "A";
Product inventoryProductA = productInventory.Get(testSku);
MultiDeal multiDealA = inventoryProductA.MultiDeal;
for (int i = 0; i < multiDealA.Units; i++)
{
checkout.Scan(inventoryProductA);
}
int newDealUnits = multiDealA.Units - 1;
int newDealPrice = multiDealA.MultiDealPrice * 3;
int numOfMatchingDealsAfterChange = checkout.Count(testSku) / newDealUnits;
int numberOfMiscProductsAfterDealChange = checkout.Count(testSku) % newDealUnits;
int newExpectedPrice = (newDealPrice * numOfMatchingDealsAfterChange) + (inventoryProductA.Price * numberOfMiscProductsAfterDealChange);
MultiDeal newMultiDeal = new MultiDeal(newDealUnits, newDealPrice, multiDealA.ValidFromDate, multiDealA.ValidBeforeDate);
// Act
int totalPriceBeforeChange = checkout.GetTotalPrice();
Assert.AreEqual(multiDealA.MultiDealPrice, totalPriceBeforeChange);
// Change inventory multiDeal
productInventory.Replace(new Product(testSku, inventoryProductA.Price, newMultiDeal));
int totalPriceAfterChange = checkout.GetTotalPrice();
// Assert
// prove that offer change is reflected
Assert.AreNotEqual(totalPriceBeforeChange, totalPriceAfterChange);
Assert.AreEqual(newExpectedPrice, totalPriceAfterChange);
}
public void MultiDeal_check_units_validation()
{
// Setup
TimeSpan interval = new TimeSpan(2, 0, 0, 0);
DateTime lastWeek = DateTime.Now.Subtract(interval);
DateTime nextWeek = DateTime.Now.Add(interval);
// Act
// Assert
try
{
MultiDeal multiDeal = new MultiDeal(0, 10, lastWeek, nextWeek);
Assert.Fail("Fail: units can't be less than one, '0' given.");
}
catch
{
// Test passes.
}
try
{
MultiDeal multiDeal = new MultiDeal(-1, 10, lastWeek, nextWeek);
Assert.Fail("Fail: units can't be less than one, '-1' given.");
}
catch
{
// Test passes.
}
}
public void MultiDeal_check_before_date_validation()
{
// Setup
DateTime nextWeekMinus2Days = lastWeek.Subtract(interval);
// Act
// Assert
try
{
MultiDeal multiDeal = new MultiDeal(10, 10, nextWeek, nextWeek);
Assert.Fail($"Fail: before date must be greater than from date, {nextWeek.ToString()} is the same as {nextWeek.ToString()}.");
}
catch
{
// Test passes.
}
try
{
MultiDeal multiDeal = new MultiDeal(10, 10, nextWeek, nextWeekMinus2Days);
Assert.Fail($"Fail: before date must be greater than from date, {nextWeekMinus2Days} is less than {nextWeek.ToString()}.");
}
catch
{
// Test passes.
}
}
public void MultiDeal_check_from_date_validation()
{
// Setup
DateTime lastWeekPlusADay = lastWeek.AddDays(1);
// Act
// Assert
try
{
MultiDeal multiDeal = new MultiDeal(10, 10, lastWeek, lastWeek);
Assert.Fail($"Fail: from date must be less than before date, {lastWeek.ToString()} is the same as {lastWeek.ToString()}.");
}
catch
{
// Test passes.
}
try
{
MultiDeal multiDeal = new MultiDeal(10, 10, lastWeekPlusADay, lastWeek);
Assert.Fail($"Fail: from date must be less than before date, {lastWeekPlusADay} is greater than {lastWeek.ToString()}.");
}
catch
{
// Test passes.
}
}
public void Checkout_get_total_price_bulk_matching_offer_same_item_at_checkout()
{
// Setup
ICheckout checkout = new CheckoutController(productInventory);
Product inventoryProductA = productInventory.Get("A");
int priceA = inventoryProductA.Price;
MultiDeal multiDealA = inventoryProductA.MultiDeal;
for (int i = 0; i < multiDealA.Units; i++)
{
checkout.Scan(inventoryProductA);
}
// Act
int totalPrice = checkout.GetTotalPrice();
// Assert
Assert.AreEqual(multiDealA.MultiDealPrice, totalPrice);
}
public void Product_check_product_offer_is_valid_test()
{
// Setup
TimeSpan interval = new TimeSpan(2, 0, 0, 0);
DateTime lastWeek = DateTime.Now.Subtract(interval);
DateTime nextWeek = DateTime.Now.Add(interval);
DateTime now = DateTime.Now;
// A valid MultiDeal (for now)
MultiDeal multiDeal = new MultiDeal(3, 130, lastWeek, nextWeek);
Product product_1 = new Product("A", 50, multiDeal);
Product product_2 = new Product("A", 50, new MultiDeal());
// Act
// Assert
Assert.IsTrue(product_1.IsMultiDealValid(now));
Assert.IsFalse(product_2.IsMultiDealValid(now));
// Invalid current times for valid MultiDeal
Assert.IsFalse(product_1.IsMultiDealValid(lastWeek.Subtract(interval)));
Assert.IsFalse(product_1.IsMultiDealValid(nextWeek.Add(interval)));
}
public void Checkout_scanned_products_reset_at_complete_checkout()
{
// Setup
ICheckout checkout = new CheckoutController(productInventory);
Product productA = productInventory.Get("A");
MultiDeal multiDealA = productA.MultiDeal;
for (int i = 0; i < 10; i++)
{
checkout.Scan(productA);
}
int expectedCountBeforeCheckout = 10;
int expectedCountAfterCheckout = 0;
int actualCountBeforeCheckout = checkout.CountAll();
// Act
checkout.CompleteCheckout();
int actualCountAfterCheckout = checkout.CountAll();
// Assert
Assert.AreNotEqual(expectedCountBeforeCheckout, expectedCountAfterCheckout);
Assert.AreEqual(expectedCountBeforeCheckout, actualCountBeforeCheckout);
Assert.AreEqual(expectedCountAfterCheckout, actualCountAfterCheckout);
}
