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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.
27 lines
629 B
JavaScript
27 lines
629 B
JavaScript
import findParentId from '../../../../src/dashboard/util/findParentId';
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describe('findParentId', () => {
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const layout = {
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a: {
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id: 'a',
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children: ['b', 'r', 'k'],
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},
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b: {
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id: 'b',
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children: ['x', 'y', 'z'],
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},
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z: {
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id: 'z',
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children: [],
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},
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};
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it('should return the correct parentId', () => {
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expect(findParentId({ childId: 'b', layout })).toBe('a');
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expect(findParentId({ childId: 'z', layout })).toBe('b');
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});
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it('should return null if the parent cannot be found', () => {
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expect(findParentId({ childId: 'a', layout })).toBeNull();
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});
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});
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