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import { mount } from 'enzyme';
import wait from 'waait';
import toJSON from 'enzyme-to-json';
import { MockedProvider } from 'react-apollo/test-utils';
import { ApolloConsumer } from 'react-apollo';
import AddToCart, { ADD_TO_CART_MUTATION } from '../components/AddToCart';
import { CURRENT_USER_QUERY } from '../components/User';
import { fakeUser, fakeCartItem } from '../lib/testUtils';
const mocks = [
{
request: { query: CURRENT_USER_QUERY },
result: {
data: {
me: {
...fakeUser(),
cart: [],
},
},
},
},
{
request: { query: CURRENT_USER_QUERY },
result: {
data: {
me: {
...fakeUser(),
cart: [fakeCartItem()],
},
},
},
},
{
request: { query: ADD_TO_CART_MUTATION, variables: { id: 'abc123' } },
result: {
data: {
addToCart: {
...fakeCartItem(),
quantity: 1,
},
},
},
},
];
describe('<AddToCart/>', () => {
it('renders and matches the snap shot', async () => {
const wrapper = mount(
<MockedProvider mocks={mocks}>
<AddToCart id="abc123" />
</MockedProvider>
);
await wait();
wrapper.update();
expect(toJSON(wrapper.find('button'))).toMatchSnapshot();
});
it('adds an item to cart when clicked', async () => {
let apolloClient;
const wrapper = mount(
<MockedProvider mocks={mocks}>
<ApolloConsumer>
{client => {
apolloClient = client;
return <AddToCart id="abc123" />;
}}
</ApolloConsumer>
</MockedProvider>
);
await wait();
wrapper.update();
const { data: { me } } = await apolloClient.query({ query: CURRENT_USER_QUERY });
// console.log(me);
expect(me.cart).toHaveLength(0);
// add an item to the cart
wrapper.find('button').simulate('click');
await wait();
// check if the item is in the cart
const { data: { me: me2 } } = await apolloClient.query({ query: CURRENT_USER_QUERY });
expect(me2.cart).toHaveLength(1);
expect(me2.cart[0].id).toBe('omg123');
expect(me2.cart[0].quantity).toBe(3);
});
it('changes from add to adding when clicked', async () => {
const wrapper = mount(
<MockedProvider mocks={mocks}>
<AddToCart id="abc123" />
</MockedProvider>
);
await wait();
wrapper.update();
expect(wrapper.text()).toContain('Add To Cart');
wrapper.find('button').simulate('click');
expect(wrapper.text()).toContain('Adding To Cart');
});
});
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