2bf8ae2364
Summary: perf_hooks is no longer needed as these APIs are widely available in both browser and electron. Still needed in unit tests, as they run from Node Reviewed By: lblasa, aigoncharov Differential Revision: D32648253 fbshipit-source-id: 5718ea99b57f96f6858311fd0815ad18c476c99e
73 lines
2.0 KiB
JavaScript
73 lines
2.0 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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// jest-setup-after will run after Jest has been initialized, so that it can be adapted.
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import {cleanup} from '@testing-library/react';
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const test = global.test;
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if (!test) {
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throw new Error('Failed jest test object');
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}
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/**
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* This test will not be executed on Github / SandCastle,
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* since, for example, it relies on precise timer reliability
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*/
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test.local = function local() {
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const fn = process.env.SANDCASTLE || process.env.CI ? test.skip : test;
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// eslint-disable-next-line
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return fn.apply(null, arguments);
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};
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/**
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* This test will only run on non-windows machines
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*/
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test.unix = function local() {
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const fn = process.platform === 'win32' ? test.skip : test;
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// eslint-disable-next-line
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return fn.apply(null, arguments);
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};
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afterEach(cleanup);
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console.debug = function () {
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// Intentional noop, we don't want debug statements in Jest runs
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};
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// make perf tools available in Node (it is available in Browser / Electron just fine)
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const {PerformanceObserver, performance} = require('perf_hooks');
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Object.freeze(performance);
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Object.freeze(Object.getPrototypeOf(performance));
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// Something in our unit tests is messing with the performance global
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// This fixes that.....
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Object.defineProperty(global, 'performance', {
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get() {
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return performance;
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},
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set() {
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throw new Error('Attempt to overwrite global.performance');
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},
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});
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global.PerformanceObserver = PerformanceObserver;
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// https://jestjs.io/docs/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
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Object.defineProperty(window, 'matchMedia', {
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writable: true,
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value: jest.fn().mockImplementation((query) => ({
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matches: false,
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media: query,
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onchange: null,
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addListener: jest.fn(), // deprecated
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removeListener: jest.fn(), // deprecated
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addEventListener: jest.fn(),
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removeEventListener: jest.fn(),
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dispatchEvent: jest.fn(),
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})),
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});
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