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test timeouts for promises.js

mochawesome
John McLear 2021-01-27 20:14:22 +00:00
parent 28617ee9d0
commit ff71e41812
1 changed files with 8 additions and 0 deletions
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8
tests/backend/specs/promises.js
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@ -26,10 +26,12 @@ describe(__filename, function () {
const timesLimitPromise = promises.timesLimit(total, concurrency, makePromise);
it('honors concurrency', async function () {
this.timeout(50);
assert.equal(wantIndex, concurrency);
});
it('creates another when one completes', async function () {
this.timeout(50);
const {promise, resolve} = testPromises.shift();
resolve();
await promise;
@ -37,6 +39,7 @@ describe(__filename, function () {
});
it('creates the expected total number of promises', async function () {
this.timeout(50);
while (testPromises.length > 0) {
// Resolve them in random order to ensure that the resolution order doesn't matter.
const i = Math.floor(Math.random() * Math.floor(testPromises.length));
@ -48,10 +51,12 @@ describe(__filename, function () {
});
it('resolves', async function () {
this.timeout(50);
await timesLimitPromise;
});
it('does not create too many promises if total < concurrency', async function () {
this.timeout(50);
wantIndex = 0;
assert.equal(testPromises.length, 0);
const total = 7;
@ -67,6 +72,7 @@ describe(__filename, function () {
});
it('accepts total === 0, concurrency > 0', async function () {
this.timeout(50);
wantIndex = 0;
assert.equal(testPromises.length, 0);
await promises.timesLimit(0, concurrency, makePromise);
@ -74,6 +80,7 @@ describe(__filename, function () {
});
it('accepts total === 0, concurrency === 0', async function () {
this.timeout(50);
wantIndex = 0;
assert.equal(testPromises.length, 0);
await promises.timesLimit(0, 0, makePromise);
@ -81,6 +88,7 @@ describe(__filename, function () {
});
it('rejects total > 0, concurrency === 0', async function () {
this.timeout(50);
await assert.rejects(promises.timesLimit(total, 0, makePromise), RangeError);
});
});