50 lines
1.3 KiB
JavaScript
50 lines
1.3 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 m 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 m(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.throws(m(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.throws(m(delay(50), -1), TypeError);
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});
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test('rejects after timeout', async t => {
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await t.throws(m(delay(200), 50), m.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.throws(m(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.throws(m(delay(200), 50, 'rainbow'), 'rainbow');
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await t.throws(m(delay(200), 50, new RangeError('cake')), RangeError);
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await t.throws(m(delay(200), 50, () => Promise.reject(fixtureErr)), fixtureErr.message);
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await t.throws(m(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 p = new PCancelable(onCancel => {
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onCancel(() => {
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t.pass();
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});
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return delay(200);
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});
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await t.throws(m(p, 50), m.TimeoutError);
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t.true(p.canceled);
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});
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