OpenMediaCenter/src/pages/RandomPage/RandomPage.test.js

import {shallow} from "enzyme";
import React from "react";
import RandomPage from "./RandomPage";

describe('<RandomPage/>', function () {
    it('renders without crashing ', function () {
        const wrapper = shallow(<RandomPage/>);
        wrapper.unmount();
    });

    it('test shuffleload fetch', function () {
        global.fetch = global.prepareFetchApi({});

        shallow(<RandomPage/>);

        expect(global.fetch).toBeCalledTimes(1);
    });

    it('btnshuffle click test', function () {
        global.fetch = global.prepareFetchApi({});

        const wrapper = shallow(<RandomPage/>);

        // simulate at least one existing element
        wrapper.setState({
            videos: [
                {}
            ]
        });

        wrapper.find(".btnshuffle").simulate("click");

        expect(global.fetch).toBeCalledTimes(2);
    });

    it('test tags in random selection', function () {
        const wrapper = shallow(<RandomPage/>);

        wrapper.setState({
            tags: [
                {tag_name: "test1"},
                {tag_name: "test2"}
            ]
        });

        expect(wrapper.find("Tag")).toHaveLength(2);
    });
});