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import React from 'react';
import { mount } from 'enzyme';
import toJSON from 'enzyme-to-json';
import wait from 'waait';
import Signup from '../components/Signup';
import mountOptions from './mockMang';
function type(wrapper, name, value) {
wrapper.find(`input[name="${name}"]`).simulate('change', {
target: {
name,
value,
},
});
}
describe('<Signup/>', () => {
beforeAll(() => {
// mock localStorage
global.localStorage = {
setItem: jest.fn(),
};
});
it('renders and matches snapshot', () => {
const wrapper = mount(<Signup />, mountOptions);
expect(toJSON(wrapper.find('form'))).toMatchSnapshot();
});
it('calls mutation with correct data', async () => {
const wrapper = mount(<Signup />, mountOptions);
const mutation = wrapper.find('Mutation').instance();
mutation.client.mutate = jest.fn().mockResolvedValue({
data: { signup: { token: 'omg123' } },
});
const expected = {
name: 'Randy',
email: 'Randy@randymail.net',
password: 'pupsrock',
};
type(wrapper, 'name', expected.name);
type(wrapper, 'email', expected.email);
type(wrapper, 'password', expected.password);
wrapper.simulate('submit');
expect(mutation.client.mutate).toHaveBeenCalled();
expect(mutation.client.mutate).toHaveBeenCalledWithVariables(expected);
await wait();
expect(localStorage.setItem).toHaveBeenCalledWith('token', 'omg123');
});
});
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