59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
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import {shallow} from "enzyme";
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import React from "react";
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import HomePage from "./HomePage";
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function prepareFetchApi(response) {
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const mockJsonPromise = Promise.resolve(response);
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const mockFetchPromise = Promise.resolve({
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json: () => mockJsonPromise,
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});
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return (jest.fn().mockImplementation(() => mockFetchPromise));
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}
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describe('<HomePage/>', function () {
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it('renders without crashing ', function () {
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const wrapper = shallow(<HomePage/>);
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wrapper.unmount();
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});
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it('ckeck default tag click events', function () {
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const wrapper = shallow(<HomePage/>);
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global.fetch = prepareFetchApi({});
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expect(global.fetch).toBeCalledTimes(0);
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// click every tag button
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wrapper.find("Tag").map((i) => {
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i.simulate("click");
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});
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expect(global.fetch).toBeCalledTimes(4);
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});
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it('test data insertion', function () {
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const wrapper = shallow(<HomePage/>);
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expect(wrapper.find("VideoContainer")).toHaveLength(0);
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wrapper.setState({
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data: [
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{}, {}
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]
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});
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// there shoud be loaded the Videocontainer element into dom after fetching videos correctly
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expect(wrapper.find("VideoContainer")).toHaveLength(1);
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});
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it('test title and nr insertions', function () {
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const wrapper = shallow(<HomePage/>);
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expect(wrapper.find(".pageheadersubtitle").text()).toBe("All Videos - 0");
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wrapper.setState({
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tag: "testtag",
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selectionnr: 42
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});
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expect(wrapper.find(".pageheadersubtitle").text()).toBe("testtag Videos - 42");
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});
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});
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