scratch-gui/test/unit/containers/green-flag.test.jsx

GraphicaL User Interface for creating and running Scratch 3.0 projects

import React from 'react';
import {shallow} from 'enzyme';
import GreenFlag from '../../../src/containers/green-flag';
import renderer from 'react-test-renderer';
import VM from 'scratch-vm';

describe('GreenFlag Container', () => {
    let vm;
    beforeEach(() => {
        vm = new VM();
    });

    test('renders active state', () => {
        const component = renderer.create(
            <GreenFlag
                active
                vm={vm}
            />
        );
        expect(component.toJSON()).toMatchSnapshot();
    });

    test('renders inactive state', () => {
        const component = renderer.create(
            <GreenFlag
                active={false}
                vm={vm}
            />
        );
        expect(component.toJSON()).toMatchSnapshot();
    });

    test('triggers onClick when active', () => {
        const onClick = jest.fn();
        const componentShallowWrapper = shallow(
            <GreenFlag
                active
                vm={vm}
                onClick={onClick}
            />
        );
        componentShallowWrapper.simulate('click');
        expect(onClick).toHaveBeenCalled();
    });

    // @todo: Test for handles key events.
    // @todo: Test project run start.
    // @todo: Test project run stop.
});