public void TotalPrice_WhenThereAreNoProductsInList_ShouldReturnZero()
{
// Arrange
var shoppingCart = new MockedShoppingCart();
// Act
var executionResult = shoppingCart.TotalPrice();
// Assert
Assert.AreEqual(0M, executionResult);
}
public void ContainsProduct_WhenProductParamIsValid_ShouldReturnFalseIfProductIsNotInList()
{
// Arrange
var mockedProduct = new Mock<IProduct>();
var shoppingCart = new MockedShoppingCart();
// Act
var executionResult = shoppingCart.ContainsProduct(mockedProduct.Object);
// Assert
Assert.AreEqual(false, executionResult);
}
public void AddProduct_WhenProductParamIsValid_ShouldAddProductToList()
{
// Arrange
var mockedProduct = new Mock<IProduct>();
var shoppingCart = new MockedShoppingCart();
// Act
shoppingCart.AddProduct(mockedProduct.Object);
// Assert
Assert.AreEqual(true, shoppingCart.Products.Contains(mockedProduct.Object));
}
public void RemoveProduct_WhenProductParamIsValid_ShouldRemoveProductFromList()
{
// Arrange
var mockedProduct = new Mock<IProduct>();
var shoppingCart = new MockedShoppingCart();
shoppingCart.Products.Add(mockedProduct.Object);
// Act
shoppingCart.RemoveProduct(mockedProduct.Object);
// Assert
Assert.AreEqual(false, shoppingCart.Products.Contains(mockedProduct.Object));
}
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);
}