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/* eslint-disable import/no-commonjs, max-classes-per-file */
const path = require('path');
const JSDOMEnvironment = require('jest-environment-jsdom');
const { ErrorWithStack } = require('jest-util');
const {
setGlobalDateToFakeDate,
setGlobalDateToRealDate,
} = require('./__helpers__/fake_date/fake_date');
const { TEST_HOST } = require('./__helpers__/test_constants');
const ROOT_PATH = path.resolve(__dirname, '../..');
class CustomEnvironment extends JSDOMEnvironment {
constructor(config, context) {
// Setup testURL so that window.location is setup properly
super({ ...config, testURL: TEST_HOST }, context);
// Fake the `Date` for `jsdom` which fixes things like document.cookie
// https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39496#note_503084332
setGlobalDateToFakeDate();
Object.assign(context.console, {
error(...args) {
throw new ErrorWithStack(
`Unexpected call of console.error() with:\n\n${args.join(', ')}`,
this.error,
);
},
warn(...args) {
throw new ErrorWithStack(
`Unexpected call of console.warn() with:\n\n${args.join(', ')}`,
this.warn,
);
},
});
const { testEnvironmentOptions } = config;
const { IS_EE } = testEnvironmentOptions;
this.global.gon = {
ee: IS_EE,
};
this.global.IS_EE = IS_EE;
this.rejectedPromises = [];
this.global.promiseRejectionHandler = (error) => {
this.rejectedPromises.push(error);
};
this.global.fixturesBasePath = `${ROOT_PATH}/tmp/tests/frontend/fixtures${IS_EE ? '-ee' : ''}`;
this.global.staticFixturesBasePath = `${ROOT_PATH}/spec/frontend/fixtures`;
/**
* window.fetch() is required by the apollo-upload-client library otherwise
* a ReferenceError is generated: https://github.com/jaydenseric/apollo-upload-client/issues/100
*/
this.global.fetch = () => {};
// Expose the jsdom (created in super class) to the global so that we can call reconfigure({ url: '' }) to properly set `window.location`
this.global.jsdom = this.dom;
Object.assign(this.global.performance, {
mark: () => null,
measure: () => null,
getEntriesByName: () => [],
});
this.global.PerformanceObserver = class {
/* eslint-disable no-useless-constructor, no-unused-vars, no-empty-function, class-methods-use-this */
constructor(callback) {}
disconnect() {}
observe(element, initObject) {}
/* eslint-enable no-useless-constructor, no-unused-vars, no-empty-function, class-methods-use-this */
};
}
async teardown() {
// Reset `Date` so that Jest can report timing accurately *roll eyes*...
setGlobalDateToRealDate();
await new Promise(setImmediate);
if (this.rejectedPromises.length > 0) {
throw new ErrorWithStack(
`Unhandled Promise rejections: ${this.rejectedPromises.join(', ')}`,
this.teardown,
);
}
await super.teardown();
}
}
module.exports = CustomEnvironment;
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