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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.
82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
import React from 'react';
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import Select from 'react-select';
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import { shallow } from 'enzyme';
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import sinon from 'sinon';
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import AsyncSelect from '../../../src/components/AsyncSelect';
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describe('AsyncSelect', () => {
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const mockedProps = {
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dataEndpoint: '/chart/api/read',
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onChange: sinon.spy(),
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placeholder: 'Select...',
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mutator: () => [
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{ value: 1, label: 'main' },
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{ value: 2, label: 'another' },
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],
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valueRenderer: opt => opt.label,
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};
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it('is valid element', () => {
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expect(
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React.isValidElement(<AsyncSelect {...mockedProps} />),
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).toBe(true);
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});
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it('has one select', () => {
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const wrapper = shallow(
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<AsyncSelect {...mockedProps} />,
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);
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expect(wrapper.find(Select)).toHaveLength(1);
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});
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it('calls onChange on select change', () => {
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const wrapper = shallow(
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<AsyncSelect {...mockedProps} />,
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);
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wrapper.find(Select).simulate('change', { value: 1 });
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expect(mockedProps.onChange).toHaveProperty('callCount', 1);
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});
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describe('auto select', () => {
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let server;
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beforeEach(() => {
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server = sinon.fakeServer.create();
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server.respondWith([
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200, { 'Content-Type': 'application/json' }, JSON.stringify({}),
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]);
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});
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afterEach(() => {
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server.restore();
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});
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it('should be off by default', () => {
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const wrapper = shallow(
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<AsyncSelect {...mockedProps} />,
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);
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wrapper.instance().fetchOptions();
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const spy = sinon.spy(wrapper.instance(), 'onChange');
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expect(spy.callCount).toBe(0);
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});
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it('should auto select first option', () => {
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const wrapper = shallow(
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<AsyncSelect {...mockedProps} autoSelect />,
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);
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const spy = sinon.spy(wrapper.instance(), 'onChange');
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server.respond();
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expect(spy.callCount).toBe(1);
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expect(spy.calledWith(wrapper.instance().state.options[0])).toBe(true);
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});
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it('should not auto select when value prop is set', () => {
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const wrapper = shallow(
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<AsyncSelect {...mockedProps} value={2} autoSelect />,
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);
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const spy = sinon.spy(wrapper.instance(), 'onChange');
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wrapper.instance().fetchOptions();
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server.respond();
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expect(spy.callCount).toBe(0);
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expect(wrapper.find(Select)).toHaveLength(1);
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});
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});
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});
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