57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
import {assert, expect} from 'chai';
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import TickingPromise from '../src/ticking-promise';
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const createTickingPromise = (duration) => new TickingPromise(
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() => {},
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(elapsed, resolve, reject) => {
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duration -= elapsed;
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if (duration <= 0) {
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resolve();
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}
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},
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);
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describe('@avocado/core', () => {
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describe('TickingPromise', () => {
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it('can behave as a promise', async () => {
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try {
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await new TickingPromise((resolve, reject) => {
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resolve();
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});
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}
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catch (error) {
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assert.fail('TickingPromise threw');
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}
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try {
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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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catch (error) {
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return;
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}
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assert.fail("TickingPromise didn't throw");
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});
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it('accepts a ticker', async () => {
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const promise = createTickingPromise(1);
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for (let i = 0; i < 4; ++i) {
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promise.tick(0.3);
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}
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await promise;
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});
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it('implements a compatible .all', async () => {
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await TickingPromise.all([
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new Promise((resolve, reject) => {
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resolve();
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}),
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]);
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const promise = createTickingPromise(1);
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const allPromise = TickingPromise.all([promise]);
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for (let i = 0; i < 4; ++i) {
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allPromise.tick(0.3);
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}
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await allPromise;
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});
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});
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});
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