101 lines
1.9 KiB
JavaScript
101 lines
1.9 KiB
JavaScript
import {expect, test} from 'vitest';
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import TickingPromise from './ticking-promise.js';
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test('runs executor', async () => {
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expect(
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await new TickingPromise((resolve) => {
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resolve(32);
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}),
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)
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.to.equal(32);
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expect(
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async () => {
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await new TickingPromise((resolve, reject) => {
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reject(new Error(''));
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})
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}
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)
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.rejects.toThrowError('');
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});
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test('ticks and resolves', async () => {
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let done = false;
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let e = 0;
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const tp = new TickingPromise(undefined, (elapsed, resolve) => {
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e += elapsed;
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if (1 === e) {
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done = true;
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resolve(16);
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}
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});
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expect(done)
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.to.be.false;
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tp.tick(0.25);
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expect(done)
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.to.be.false;
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tp.tick(0.25);
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expect(done)
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.to.be.false;
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tp.tick(0.25);
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expect(done)
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.to.be.false;
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tp.tick(0.25);
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expect(done)
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.to.be.true;
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expect(await tp)
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.to.equal(16);
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});
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test('ticks and rejects', async () => {
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let caught = false;
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const tp = new TickingPromise(undefined, (elapsed, resolve, reject) => {
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reject(new Error());
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});
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tp.catch(() => {
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caught = true;
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});
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expect(caught)
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.to.be.false;
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tp.tick(0.25);
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await Promise.resolve();
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expect(caught)
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.to.be.true;
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});
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test('handles all', async () => {
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let done = 0;
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let e1 = 0, e2 = 0;
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const tp1 = new TickingPromise(undefined, (elapsed, resolve) => {
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e1 += elapsed;
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if (1 === e1) {
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done += 1;
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resolve(16);
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}
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});
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const tp2 = new TickingPromise(undefined, (elapsed, resolve) => {
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e2 += elapsed;
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if (2 === e2) {
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done += 1;
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resolve(32);
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}
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});
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const tpa = TickingPromise.all([
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Promise.resolve(8),
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tp1,
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tp2,
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]);
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expect(done)
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.to.equal(0);
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while (2 !== done) {
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tpa.tick(0.25);
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await Promise.resolve();
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}
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expect(e1)
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.to.equal(1);
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expect(e2)
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.to.equal(2);
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expect(await tpa)
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.to.deep.equal([8, 16, 32]);
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});
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