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import React from 'react';
import { shallow, mount } from 'enzyme';
import toJSON from 'enzyme-to-json';
import { CreateItem } from '../components/CreateItem';
// Wait func
const wait = amount => new Promise(resolve => setTimeout(resolve, amount));
const dogImage = 'https://dog.com/dog.jpg';
// Mock fetch to resolve data
global.fetch = jest.fn().mockResolvedValue({
json: () => ({
secure_url: dogImage,
eager: [{ secure_url: dogImage }],
}),
});
const fakeItem = {
title: 'Testing',
description: 'This is a really nice item',
image: dogImage,
largeImage: dogImage,
price: 50000,
};
describe('<Createitem/>', () => {
it('renders the form out', () => {
const createItemMutation = jest.fn();
const wrapper = shallow(<CreateItem createItemMutation={createItemMutation} />);
expect(toJSON(wrapper)).toMatchSnapshot();
});
it('uploads a file when changed', async () => {
const createItemMutation = jest.fn();
const wrapper = shallow(<CreateItem createItemMutation={createItemMutation} />);
const input = wrapper.find('input[type="file"]');
// internally this does some setState() calls
input.simulate('change', { currentTarget: { files: ['fakedog.jpg'] } });
await wait(0);
expect(wrapper.state('image')).toEqual(dogImage);
expect(wrapper.state('largeImage')).toEqual(dogImage);
});
it('handles state updating', async () => {
const createItemMutation = jest.fn();
const wrapper = shallow(<CreateItem createItemMutation={createItemMutation} />);
wrapper.find('#title').simulate('change', { target: { value: 'Testing', name: 'title' } });
wrapper.find('#price').simulate('change', {
target: {
value: 50000,
name: 'price',
type: 'number',
},
});
wrapper.find('#description').simulate('change', {
target: {
value: 'This is a really nice item',
name: 'description',
},
});
expect(wrapper.state().item).toMatchObject({
title: 'Testing',
description: 'This is a really nice item',
image: '',
largeImage: '',
price: 50000,
});
});
it('creates an item with all the inputs', () => {
const createItemMutation = jest.fn(() => Promise.resolve({}));
const wrapper = shallow(<CreateItem createItemMutation={createItemMutation} />);
wrapper.setState({ item: fakeItem });
const form = wrapper.find('Form');
// console.log(form.debug());
form.simulate('submit', {
preventDefault() {},
});
expect(createItemMutation).toHaveBeenCalled();
expect(createItemMutation).toHaveBeenCalledWith({ variables: fakeItem });
});
});
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