OpenMediaCenter/src/pages/HomePage/HomePage.test.js
Lukas Heiligenbrunner f80554bfdd correct sort order of css properties
mocking of fetch api only once in setupTests
2020-08-05 17:55:51 +00:00

96 lines
2.7 KiB
JavaScript

import {shallow} from "enzyme";
import React from "react";
import HomePage from "./HomePage";
import VideoContainer from "../../elements/VideoContainer/VideoContainer";
describe('<HomePage/>', function () {
it('renders without crashing ', function () {
const wrapper = shallow(<HomePage/>);
wrapper.unmount();
});
it('test data insertion', function () {
const wrapper = shallow(<HomePage/>);
expect(wrapper.find("VideoContainer")).toHaveLength(0);
wrapper.setState({
data: [
{}, {}
]
});
// there shoud be loaded the Videocontainer element into dom after fetching videos correctly
expect(wrapper.find("VideoContainer")).toHaveLength(1);
});
it('test title and nr insertions', function () {
const wrapper = shallow(<HomePage/>);
expect(wrapper.find("PageTitle").props().subtitle).toBe("All Videos - 0");
wrapper.setState({
tag: "testtag",
selectionnr: 42
});
expect(wrapper.find("PageTitle").props().subtitle).toBe("testtag Videos - 42");
});
it('test search field', done => {
global.fetch = global.prepareFetchApi([{}, {}]);
const wrapper = shallow(<HomePage/>);
wrapper.find('[data-testid="searchtextfield"]').simulate('change', {target: {value: 'testvalue'}});
wrapper.find('[data-testid="searchbtnsubmit"]').simulate("click");
process.nextTick(() => {
// state to be set correctly with response
expect(wrapper.state().selectionnr).toBe(2);
global.fetch.mockClear();
done();
});
});
it('test form submit', done => {
global.fetch = global.prepareFetchApi([{}, {}]);
const wrapper = shallow(<HomePage/>);
const fakeEvent = {preventDefault: () => console.log('preventDefault')};
wrapper.find(".searchform").simulate('submit', fakeEvent);
expect(wrapper.state().selectionnr).toBe(0);
process.nextTick(() => {
// state to be set correctly with response
expect(wrapper.state().selectionnr).toBe(2);
global.fetch.mockClear();
done();
});
});
it('test no backend connection behaviour', done => {
// this test assumes a console.log within every connection fail
global.fetch = global.prepareFailingFetchApi();
let count = 0;
global.console.log = jest.fn(() => {
count++;
});
shallow(<HomePage/>);
process.nextTick(() => {
// state to be set correctly with response
expect(global.fetch).toBeCalledTimes(2);
global.fetch.mockClear();
done();
});
});
});