InsidersByte/honeymoon-gift-list

import React from 'react';
import { shallow } from 'enzyme';
import BasketSummary from './';

const item1 = { id: 1, price: 1, quantity: 1, remaining: 10 };
const item2 = { id: 2, price: 2, quantity: 2, remaining: 20 };

const basket = new Map();
basket.set(1, item1);
basket.set(2, item2);

const addToBasket = jest.fn();
const removeFromBasket = jest.fn();
const deleteFromBasket = jest.fn();

const props = {
  basket,
  basketCount: 3,
  basketTotal: 5,
  addToBasket,
  removeFromBasket,
  deleteFromBasket,
};

describe('BasketSummary', () => {
  afterEach(() => {
    expect(addToBasket).not.toHaveBeenCalled();
    expect(removeFromBasket).not.toHaveBeenCalled();
    expect(deleteFromBasket).not.toHaveBeenCalled();
  });

  it('should render correctly', () => {
    const wrapper = shallow(<BasketSummary {...props} />);

    expect(wrapper).toMatchSnapshot();
  });

  it('should singularise items if there is only one item in the basket', () => {
    const wrapper = shallow(<BasketSummary {...props} basketCount={1} />);

    expect(wrapper).toMatchSnapshot();
  });

  it('should render if the basket count is 0', () => {
    const wrapper = shallow(<BasketSummary {...props} basketCount={0} />);

    expect(wrapper).toMatchSnapshot();
  });

  it('should render <BasketSummaryListItem /> components', () => {
    const wrapper = shallow(<BasketSummary {...props} />);

    expect(wrapper.find('BasketSummaryListItem').length).toBe(2);
  });

  it('should set <BasketSummaryListItem /> props', () => {
    const wrapper = shallow(<BasketSummary {...props} />);

    const basketSummary = wrapper.find('BasketSummaryListItem');

    expect(basketSummary.at(0).prop('item')).toBe(item1);
    expect(basketSummary.at(0).prop('addToBasket')).toBe(addToBasket);
    expect(basketSummary.at(0).prop('removeFromBasket')).toBe(removeFromBasket);
    expect(basketSummary.at(0).prop('deleteFromBasket')).toBe(deleteFromBasket);

    expect(basketSummary.at(1).prop('item')).toBe(item2);
    expect(basketSummary.at(1).prop('addToBasket')).toBe(addToBasket);
    expect(basketSummary.at(1).prop('removeFromBasket')).toBe(removeFromBasket);
    expect(basketSummary.at(1).prop('deleteFromBasket')).toBe(deleteFromBasket);
  });
});