jest/e2e/override-globals/__tests__/index.js

38 lines
875 B
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
import _unusedRequireOverridingPromise from '..';
describe('parent', () => {
beforeEach(() => {
console.log(`Promise is: ${Promise.toString()}`);
});
describe('child', () => {
it('works well', done => {
// A timeout to guarantee it doesn't finish after 0 ms
setTimeout(() => {
try {
expect(() => new Promise()).toThrow('Booo');
done();
} catch (error) {
done.fail(error);
}
}, 10);
});
});
it('can override atob and btoa', () => {
globalThis.atob = () => 'hello';
globalThis.btoa = () => 'there';
expect(`${atob()} ${btoa()}`).toBe('hello there');
});
});