50 lines
1.6 KiB
JavaScript
50 lines
1.6 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 movieId={1} name='test' picLoader={callback => callback('')}/>);
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wrapper.unmount();
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});
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it('picture rendered correctly', () => {
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const func = jest.fn();
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const wrapper = shallow(<Preview movieId={1} name='test' picLoader={callback => {
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func();
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callback('42');
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}}/>);
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// expect picloader tobe called once
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expect(func).toHaveBeenCalledTimes(1)
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// received picture should be rendered into wrapper
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expect(wrapper.find('.previewimage').props().src).toBe('42');
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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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});
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it('spinner loads correctly', function () {
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// if callback is never called --> infinite spinner
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const wrapper = shallow(<Preview movieId={1} name='test' picLoader={callback => {}}/>);
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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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});
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