# All files / util sleep.test.ts

100% Statements 12/12
100% Branches 0/0
100% Functions 2/2
100% Lines 12/12

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38

    2x
    1x
    1x
    1x

    1x

    1x
    1x

    1x
    1x
    2x
    1x

    1x

     /**
     * @license
     * Copyright 2019 Google Inc.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     *   http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    import { expect } from 'chai';
    import { SinonFakeTimers, useFakeTimers } from 'sinon';
    import '../testing/setup';
    import { sleep } from './sleep';

    describe('sleep', () => {
      let clock: SinonFakeTimers;

      beforeEach(() => {
        clock = useFakeTimers({ shouldAdvanceTime: true });
      });

      it('returns a promise that resolves after a given amount of time', async () => {
        const t0 = clock.now;
        await sleep(100);
        const t1 = clock.now;

        expect(t1 - t0).to.equal(100);
      });
    });