34 lines
746 B
TypeScript
34 lines
746 B
TypeScript
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import { assert } from 'chai';
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import { useFakeTimers } from 'sinon';
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import { sleep } from '../../util/sleep';
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describe('sleep', () => {
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beforeEach(function beforeEach() {
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// This isn't a hook.
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// eslint-disable-next-line react-hooks/rules-of-hooks
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this.clock = useFakeTimers();
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});
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afterEach(function afterEach() {
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this.clock.restore();
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});
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it('returns a promise that resolves after the specified number of milliseconds', async function test() {
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let isDone = false;
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(async () => {
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await sleep(123);
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isDone = true;
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})();
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assert.isFalse(isDone);
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await this.clock.tickAsync(100);
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assert.isFalse(isDone);
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await this.clock.tickAsync(25);
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assert.isTrue(isDone);
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});
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});
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