51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
import test from 'ava';
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import delay from 'delay';
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import PCancelable from 'p-cancelable';
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import pTimeout from '.';
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const fixture = Symbol('fixture');
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const fixtureErr = new Error('fixture');
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test('resolves before timeout', async t => {
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t.is(await pTimeout(delay(50).then(() => fixture), 200), fixture);
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});
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test('throws when ms is not number', async t => {
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await t.throwsAsync(pTimeout(delay(50), '200'), TypeError);
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});
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test('throws when ms is negative number', async t => {
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await t.throwsAsync(pTimeout(delay(50), -1), TypeError);
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});
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test('rejects after timeout', async t => {
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await t.throwsAsync(pTimeout(delay(200), 50), pTimeout.TimeoutError);
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});
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test('rejects before timeout if specified promise rejects', async t => {
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await t.throwsAsync(pTimeout(delay(50).then(() => Promise.reject(fixtureErr)), 200), fixtureErr.message);
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});
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test('fallback argument', async t => {
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await t.throwsAsync(pTimeout(delay(200), 50, 'rainbow'), 'rainbow');
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await t.throwsAsync(pTimeout(delay(200), 50, new RangeError('cake')), RangeError);
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await t.throwsAsync(pTimeout(delay(200), 50, () => Promise.reject(fixtureErr)), fixtureErr.message);
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await t.throwsAsync(pTimeout(delay(200), 50, () => {
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throw new RangeError('cake');
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}), RangeError);
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});
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test('calls `.cancel()` on promise when it exists', async t => {
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const promise = new PCancelable(async (resolve, reject, onCancel) => {
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onCancel(() => {
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t.pass();
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});
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await delay(200);
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resolve();
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});
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await t.throwsAsync(pTimeout(promise, 50), pTimeout.TimeoutError);
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t.true(promise.isCanceled);
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});
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