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import React from 'react';
import { mount } from 'enzyme';
import toJSON from 'enzyme-to-json';
import AddToCart from '../components/AddToCart';
import { ApolloConsumer } from 'react-apollo';
import { MockedProvider } from 'react-apollo/test-utils';
import wait from 'waait';
import { fakeCartItem, fakeUser } from '../lib/testUtils';
import { ADD_TO_CART_MUTATION, CURRENT_USER_QUERY } from '../queries/queries';
const mocks = [
{
request: { query: CURRENT_USER_QUERY },
result: {
data: {
me: {
...fakeUser(),
cart: [],
},
},
},
},
{
request: { query: ADD_TO_CART_MUTATION, variables: { id: 'abc123' } },
result: {
data: {
addToCart: {
...fakeCartItem(),
quantity: 1,
},
},
},
},
];
describe('<AddtoCart/>', () => {
it('renders and matches snapshot', () => {
const wrapper = mount(
<MockedProvider>
<AddToCart id="abc123" />
</MockedProvider>
);
expect(toJSON(wrapper.find('button'))).toMatchSnapshot();
});
it('adds an item to the cart when clicked', async () => {
// 1. Grab a copy of the current client
let apolloClient;
// const wrapper = mountWithApollo(<RemoveFromCart id="abc123" />);
const wrapper = mount(
<MockedProvider mocks={mocks}>
<ApolloConsumer>
{client => {
apolloClient = client;
return <AddToCart id="abc123" />;
}}
</ApolloConsumer>
</MockedProvider>
);
await wait();
const { me } = apolloClient.readQuery({ query: CURRENT_USER_QUERY });
expect(me.cart).toHaveLength(0);
// add to cart
wrapper.find('button').simulate('click');
await wait();
// check if the item is in the cart
const { me: me2 } = apolloClient.readQuery({ query: CURRENT_USER_QUERY });
expect(me2.cart).toHaveLength(1);
expect(me2.cart[0].id).toBe('omg123');
expect(me2.cart[0].quantity).toBe(1);
});
it('changes to adding when clicked', () => {
const wrapper = mount(
<MockedProvider mocks={mocks}>
<AddToCart id="abc123" />
</MockedProvider>
);
expect(wrapper.text()).toContain('🛒 Add To Cart');
wrapper.find('button').simulate('click');
expect(wrapper.text()).toContain('🛒 Adding To Cart');
});
});
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