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(Medium) When Code Duplication In Tests Is Acceptable - Cart Test Example

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module('Shirts cart');
test('a valid product can be retrieved from the cart after being added', () => {
const fakeShirt = Product()
.asType('shirt') // Mandatory
.withSize('XL') // Mandatory
.withColor('black'); // Mandatory
const cart = ShirtsCart();
cart.addProduct(fakeShirt);
expect(cart).toContain(fakeShirt);
});
test('when we try to add an invalid product to the cart then it\'s not added', () => {
const fakePants = Product()
.asType('pants') // Mandatory
.withSize('XL') // Mandatory
.withColor('black'); // Mandatory
const cart = ShirtsCart();
cart.addProduct(fakePants);
expect(cart).not.toContain(fakePants);
});

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