public void TestTotalPrice_NoProductsInCart_ShouldReturnZero()
{
var cart = new MockedShoppingCart();
decimal price = 0;
Assert.AreEqual(cart.TotalPrice(), price);
}
public void TotalPrice_WhenThereAreNoProductsInList_ShouldReturnZero()
{
// Arrange
var shoppingCart = new MockedShoppingCart();
// Act
var executionResult = shoppingCart.TotalPrice();
// Assert
Assert.AreEqual(0M, executionResult);
}
public void TestTotalPrice_WithProductsInCart_ShouldCalculateCorrectly(decimal firstPrice, decimal secondPrice)
{
var cart = new MockedShoppingCart();
var mockedProductOne = new Mock <IProduct>();
var mockedProductTwo = new Mock <IProduct>();
mockedProductOne.SetupGet(x => x.Price).Returns(firstPrice);
mockedProductTwo.SetupGet(x => x.Price).Returns(secondPrice);
cart.AddProduct(mockedProductOne.Object);
cart.AddProduct(mockedProductTwo.Object);
var result = firstPrice + secondPrice;
Assert.AreEqual(cart.TotalPrice(), result);
}
public void TotalPrice_WhenProductsPresentInCart_ShouldREturnCorrectSumOfAllProductPrices()
{
var firstProductStub = new Mock <IProduct>();
var secondProductStub = new Mock <IProduct>();
var mockedCart = new MockedShoppingCart();
firstProductStub.SetupGet(x => x.Price).Returns(5.25M);
secondProductStub.SetupGet(x => x.Price).Returns(10.25M);
mockedCart.Products.Add(firstProductStub.Object);
mockedCart.Products.Add(secondProductStub.Object);
decimal totalPriceReturned = mockedCart.TotalPrice();
decimal expected = 15.5M;
Assert.AreEqual(expected, totalPriceReturned);
}
public void TotalPrice_WhenThereAreProductsInList_ShouldReturnTheTotalSumOfTheirPrices()
{
// Arrange
var mockedProductOne = new Mock <IProduct>();
var mockedProductTwo = new Mock <IProduct>();
var shoppingCart = new MockedShoppingCart();
mockedProductOne.SetupGet(x => x.Price).Returns(10M);
mockedProductTwo.SetupGet(x => x.Price).Returns(20M);
shoppingCart.Products.Add(mockedProductOne.Object);
shoppingCart.Products.Add(mockedProductTwo.Object);
// Act
var executionResult = shoppingCart.TotalPrice();
// Assert
Assert.AreEqual(30M, executionResult);
}