90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
import React from 'react';
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import {shallow} from 'enzyme';
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import Preview, {TagPreview} from './Preview';
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describe('<Preview/>', function () {
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it('renders without crashing ', function () {
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const wrapper = shallow(<Preview/>);
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wrapper.unmount();
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});
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it('click event triggered', () => {
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const func = jest.fn();
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const wrapper = shallow(<Preview/>);
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prepareViewBinding(func);
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wrapper.find('.videopreview').simulate('click');
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//callback to open player should have called
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expect(func).toHaveBeenCalledTimes(1);
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});
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it('picture rendered correctly', done => {
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const mockSuccessResponse = 'testsrc';
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const mockJsonPromise = Promise.resolve(mockSuccessResponse);
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const mockFetchPromise = Promise.resolve({
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text: () => mockJsonPromise
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});
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global.fetch = jest.fn().mockImplementation(() => mockFetchPromise);
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const wrapper = shallow(<Preview name='test'/>);
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// now called 1 times
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expect(global.fetch).toHaveBeenCalledTimes(1);
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process.nextTick(() => {
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// received picture should be rendered into wrapper
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expect(wrapper.find('.previewimage').props().src).not.toBeNull();
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// check if preview title renders correctly
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expect(wrapper.find('.previewtitle').text()).toBe('test');
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global.fetch.mockClear();
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done();
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});
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});
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it('spinner loads correctly', function () {
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const wrapper = shallow(<Preview/>);
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// expect load animation to be visible
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expect(wrapper.find('.loadAnimation')).toHaveLength(1);
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});
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});
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describe('<TagPreview/>', function () {
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it('renders without crashing ', function () {
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const wrapper = shallow(<TagPreview/>);
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wrapper.unmount();
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});
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// check if preview title renders correctly
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it('renders title', () => {
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const wrapper = shallow(<TagPreview name='test'/>);
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expect(wrapper.find('.tagpreviewtitle').text()).toBe('test');
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});
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it('click event triggered', function () {
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const func = jest.fn();
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const wrapper = shallow(<TagPreview/>);
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wrapper.setProps({
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categorybinding: () => {
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func();
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}
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});
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// first call of fetch is getting of available tags
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expect(func).toHaveBeenCalledTimes(0);
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wrapper.find('.videopreview').simulate('click');
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// now called 1 times
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expect(func).toHaveBeenCalledTimes(1);
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});
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});
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