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* [refactor] Migrate from Mocha+Chai to Jest This change migrates all the existing unit tests - to Jest's global expect and matchers from chai's imported expect, asserts and matchers. - to Jest's describe/test from mocha's describe/it The majority of the mechanical changes to tests are achieved through running jest-codemods. The only two note-worthy manual tweaks: 1. Setting a testURL of http://localhost in jest config and adjusting a few tests to leverage this value instead of relying on about:blank. 2. Re-enabling ExploreChartPanel_spec which was previously commented out as we cannot have empty tests with nothing in it with Jest. :) This change also removes dependencies to Mocha and Chai. * Remove the test:one command as it now does the same thing as test. * Fixing lint errors. The diff looks large but is large done through `yarn run lint --fix` The only noteworthy change is the one in eslintrc for tests. The env has been updated from mocha to jest. * Adding eslint-plugin-jest and further modify tests. - One small fix in sqllab's Timer Spec for a test that is not using the spy it created for testing. - Deletion of a duplicated test caught by eslint-plugin-jest. * - Make istanbul coverage work with Jest. - Remove dependency on stand-alone istanbul and babel-istanbul as they're built-into jest. Yes! * Attempt to fix dynamic imports in tests. * run sequentially and log heap usage * - tweaking maxworkers for travis and specifying coverageDirectory for codecov - remove dynamic import in shim.js now that it is set in babelrc for tests only.
97 lines
3.2 KiB
JavaScript
97 lines
3.2 KiB
JavaScript
/* eslint-disable no-unused-expressions */
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import React from 'react';
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import sinon from 'sinon';
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import PropTypes from 'prop-types';
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import { shallow } from 'enzyme';
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import VirtualizedRendererWrap from '../../../src/components/VirtualizedRendererWrap';
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const defaultProps = {
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focusedOption: { label: 'focusedOn', value: 'focusedOn' },
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focusOption: sinon.spy(),
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key: 'key1',
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option: { label: 'option1', value: 'option1' },
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selectValue: sinon.spy(),
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valueArray: [],
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};
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function TestOption({ option }) {
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return (
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<span>{option.label}</span>
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);
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}
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TestOption.propTypes = {
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option: PropTypes.object.isRequired,
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};
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const defaultRenderer = opt => <TestOption option={opt} />;
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const RendererWrap = VirtualizedRendererWrap(defaultRenderer);
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describe('VirtualizedRendererWrap', () => {
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let wrapper;
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let props;
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beforeEach(() => {
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wrapper = shallow(<RendererWrap {...defaultProps} />);
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props = Object.assign({}, defaultProps);
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});
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it('uses the provided renderer', () => {
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const option = wrapper.find(TestOption);
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expect(option).toHaveLength(1);
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});
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it('renders nothing when no option is provided', () => {
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props.option = null;
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wrapper = shallow(<RendererWrap {...props} />);
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const option = wrapper.find(TestOption);
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expect(option).toHaveLength(0);
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});
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it('renders unfocused, unselected options with the default class', () => {
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const optionDiv = wrapper.find('div');
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expect(optionDiv).toHaveLength(1);
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expect(optionDiv.props().className).toBe('VirtualizedSelectOption');
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});
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it('renders focused option with the correct class', () => {
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props.option = props.focusedOption;
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wrapper = shallow(<RendererWrap {...props} />);
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const optionDiv = wrapper.find('div');
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expect(optionDiv.props().className).toBe('VirtualizedSelectOption VirtualizedSelectFocusedOption');
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});
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it('renders disabled option with the correct class', () => {
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props.option.disabled = true;
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wrapper = shallow(<RendererWrap {...props} />);
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const optionDiv = wrapper.find('div');
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expect(optionDiv.props().className).toBe('VirtualizedSelectOption VirtualizedSelectDisabledOption');
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props.option.disabled = false;
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});
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it('renders selected option with the correct class', () => {
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props.valueArray = [props.option, props.focusedOption];
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wrapper = shallow(<RendererWrap {...props} />);
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const optionDiv = wrapper.find('div');
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expect(optionDiv.props().className).toBe('VirtualizedSelectOption VirtualizedSelectSelectedOption');
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});
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it('renders options with custom classes', () => {
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props.option.className = 'CustomClass';
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wrapper = shallow(<RendererWrap {...props} />);
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const optionDiv = wrapper.find('div');
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expect(optionDiv.props().className).toBe('VirtualizedSelectOption CustomClass');
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});
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it('calls focusedOption on its own option onMouseEnter', () => {
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const optionDiv = wrapper.find('div');
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optionDiv.simulate('mouseEnter');
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expect(props.focusOption.calledWith(props.option)).toBe(true);
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});
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it('calls selectValue on its own option onClick', () => {
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const optionDiv = wrapper.find('div');
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optionDiv.simulate('click');
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expect(props.selectValue.calledWith(props.option)).toBe(true);
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});
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});
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