signal-desktop/ts/test-node/util/sleep_test.ts

36 lines
829 B
TypeScript

// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { assert } from 'chai';
import { useFakeTimers } from 'sinon';
import { sleep } from '../../util/sleep';
describe('sleep', () => {
beforeEach(function beforeEach() {
// This isn't a hook.
// eslint-disable-next-line react-hooks/rules-of-hooks
this.clock = useFakeTimers();
});
afterEach(function afterEach() {
this.clock.restore();
});
it('returns a promise that resolves after the specified number of milliseconds', async function test() {
let isDone = false;
(async () => {
await sleep(123);
isDone = true;
})();
assert.isFalse(isDone);
await this.clock.tickAsync(100);
assert.isFalse(isDone);
await this.clock.tickAsync(25);
assert.isTrue(isDone);
});
});