gistfile1.js

describe('A Cart with a several different products', function () {
    var cart;

    beforeEach(function () {
        cart = Cart.create();
    });

    it('must have a #grossPriceSum() of the contained products', function () {
        var product = Product.create('A', 10),
            book = Book.create('B', 100);

        cart.add(product);
        cart.add(book);

        expect(cart.grossPriceSum()).toEqual(132);
    });
});