public void TestAddItemToCheckout()
{
// Arrange
ICheckout checkout = new Checkout();
// Act
checkout.AddItem(new CheckoutItem("A", 50));
checkout.AddItem(new CheckoutItem("B", 30));
//Assert
Assert.AreEqual(2, checkout.Items.Count, "Number of items does not equal 2");
}
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 TestSpecialOffersCanBeAdded_NoSpecialOffers()
{
// Arrange
ICheckout checkout = new Checkout();
checkout.AddItem(new CheckoutItem("B", 30));
checkout.AddItem(new CheckoutItem("A", 50));
checkout.AddItem(new CheckoutItem("B", 30));
// Act
// Assert
Assert.AreEqual(0, checkout.SpecialOffers.Count);
}
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 TestSpecialOffersCanBeAdded()
{
// 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(1, checkout.SpecialOffers.Count);
}
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());
}
private void AddItems(int count, Item item)
{
for (int i = 0; i < count; i++)
{
checkout.AddItem(item);
}
}
public void AddItem_ThrowsItemCodeNotRecognisedException_WhenItemCodeDoesNotExist()
{
//arrange
var itemCodeToAdd = "THIS CODE DOES NOT EXIST";
//act + assert
Assert.Throws <ItemCodeNotRecognisedException>(() => Checkout.AddItem(itemCodeToAdd));
}
public void TestAddItemToCheckout_Null()
{
// Arrange
ICheckout checkout = new Checkout();
// Act
checkout.AddItem(null);
//Assert
Assert.Fail("ArgumentNullException should have been thrown");
}
public void ArrangeWhenPriceApplies()
{
_fixture = new Fixture();
_fixture.Customize(new AutoRhinoMockCustomization());
_pricingRule = _fixture.Create <ISpecialPricingRule>();
_product = _fixture.Create <Product>();
_pricingRule.Stub(r =>
r.IsApplicable(
Arg <ICollection <Product> > .Matches(p => p.First().ProductId == _product.ProductId)))
.Return(true);
_pricingRule.Expect(r =>
r.Apply(Arg <ICollection <Product> > .Matches(p => p.First().ProductId == _product.ProductId)));
_sut = new Checkout(new List <ISpecialPricingRule> {
_pricingRule
});
_sut.AddItem(_product);
}
public void TestMethodToothpaste()
{
// 3 toothpaste
_checkout.AddItem(1);
_checkout.AddItem(1);
_checkout.AddItem(1);
var Totl = _checkout.Sum();
Assert.AreEqual(49.88, Totl);
}
