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test: split promisified timers test for coverage purposes #37943

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99 changes: 99 additions & 0 deletions test/parallel/test-timers-immediate-promisified.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,99 @@
// Flags: --no-warnings --expose-internals
'use strict';
const common = require('../common');
const assert = require('assert');
const timers = require('timers');
const { promisify } = require('util');
const child_process = require('child_process');

// TODO(benjamingr) - refactor to use getEventListeners when #35991 lands
const { NodeEventTarget } = require('internal/event_target');

const timerPromises = require('timers/promises');

const setPromiseImmediate = promisify(timers.setImmediate);
const exec = promisify(child_process.exec);

assert.strictEqual(setPromiseImmediate, timerPromises.setImmediate);

process.on('multipleResolves', common.mustNotCall());

{
const promise = setPromiseImmediate();
promise.then(common.mustCall((value) => {
assert.strictEqual(value, undefined);
}));
}

{
const promise = setPromiseImmediate('foobar');
promise.then(common.mustCall((value) => {
assert.strictEqual(value, 'foobar');
}));
}

{
const ac = new AbortController();
const signal = ac.signal;
assert.rejects(setPromiseImmediate(10, { signal }), /AbortError/)
.then(common.mustCall());
ac.abort();
}

{
const signal = AbortSignal.abort(); // Abort in advance
assert.rejects(setPromiseImmediate(10, { signal }), /AbortError/)
.then(common.mustCall());
}

{
// Check that aborting after resolve will not reject.
const ac = new AbortController();
const signal = ac.signal;
setPromiseImmediate(10, { signal })
.then(common.mustCall(() => { ac.abort(); }))
.then(common.mustCall());
}

{
// Check that timer adding signals does not leak handlers
const signal = new NodeEventTarget();
signal.aborted = false;
setPromiseImmediate(0, { signal }).finally(common.mustCall(() => {
assert.strictEqual(signal.listenerCount('abort'), 0);
}));
}

{
Promise.all(
[1, '', false, Infinity].map(
(i) => assert.rejects(setPromiseImmediate(10, i), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', false, Infinity, null, {}].map(
(signal) => assert.rejects(setPromiseImmediate(10, { signal }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', Infinity, null, {}].map(
(ref) => assert.rejects(setPromiseImmediate(10, { ref }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
'require(\'timers/promises\').setImmediate(null, { ref: false }).' +
'then(assert.fail)"').then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}
Original file line number Diff line number Diff line change
Expand Up @@ -12,43 +12,12 @@ const { NodeEventTarget } = require('internal/event_target');
const timerPromises = require('timers/promises');

const setPromiseTimeout = promisify(timers.setTimeout);
const setPromiseImmediate = promisify(timers.setImmediate);
const exec = promisify(child_process.exec);

assert.strictEqual(setPromiseTimeout, timerPromises.setTimeout);
assert.strictEqual(setPromiseImmediate, timerPromises.setImmediate);
const { setInterval } = timerPromises;

process.on('multipleResolves', common.mustNotCall());

{
const promise = setPromiseTimeout(1);
promise.then(common.mustCall((value) => {
assert.strictEqual(value, undefined);
}));
}

{
const promise = setPromiseTimeout(1, 'foobar');
promise.then(common.mustCall((value) => {
assert.strictEqual(value, 'foobar');
}));
}

{
const promise = setPromiseImmediate();
promise.then(common.mustCall((value) => {
assert.strictEqual(value, undefined);
}));
}

{
const promise = setPromiseImmediate('foobar');
promise.then(common.mustCall((value) => {
assert.strictEqual(value, 'foobar');
}));
}

{
const iterable = setInterval(1, undefined);
const iterator = iterable[Symbol.asyncIterator]();
Expand Down Expand Up @@ -89,34 +58,6 @@ process.on('multipleResolves', common.mustNotCall());
.then(common.mustCall());
}

{
const ac = new AbortController();
const signal = ac.signal;
assert.rejects(setPromiseTimeout(10, undefined, { signal }), /AbortError/)
.then(common.mustCall());
ac.abort();
}

{
const signal = AbortSignal.abort(); // Abort in advance
assert.rejects(setPromiseTimeout(10, undefined, { signal }), /AbortError/)
.then(common.mustCall());
}

{
const ac = new AbortController();
const signal = ac.signal;
assert.rejects(setPromiseImmediate(10, { signal }), /AbortError/)
.then(common.mustCall());
ac.abort();
}

{
const signal = AbortSignal.abort(); // Abort in advance
assert.rejects(setPromiseImmediate(10, { signal }), /AbortError/)
.then(common.mustCall());
}

{
const signal = AbortSignal.abort(); // Abort in advance

Expand Down Expand Up @@ -155,23 +96,6 @@ process.on('multipleResolves', common.mustNotCall());
assert.rejects(abortPromise, /AbortError/).then(common.mustCall());
}

{
// Check that aborting after resolve will not reject.
const ac = new AbortController();
const signal = ac.signal;
setPromiseTimeout(10, undefined, { signal })
.then(common.mustCall(() => { ac.abort(); }))
.then(common.mustCall());
}
{
// Check that aborting after resolve will not reject.
const ac = new AbortController();
const signal = ac.signal;
setPromiseImmediate(10, { signal })
.then(common.mustCall(() => { ac.abort(); }))
.then(common.mustCall());
}

{
[1, '', Infinity, null, {}].forEach((ref) => {
const iterable = setInterval(10, undefined, { ref });
Expand All @@ -192,24 +116,6 @@ process.on('multipleResolves', common.mustNotCall());
});
}

{
// Check that timer adding signals does not leak handlers
const signal = new NodeEventTarget();
signal.aborted = false;
setPromiseTimeout(0, null, { signal }).finally(common.mustCall(() => {
assert.strictEqual(signal.listenerCount('abort'), 0);
}));
}

{
// Check that timer adding signals does not leak handlers
const signal = new NodeEventTarget();
signal.aborted = false;
setPromiseImmediate(0, { signal }).finally(common.mustCall(() => {
assert.strictEqual(signal.listenerCount('abort'), 0);
}));
}

{
// Check that timer adding signals does not leak handlers
const signal = new NodeEventTarget();
Expand Down Expand Up @@ -247,72 +153,6 @@ process.on('multipleResolves', common.mustNotCall());
tryBreak().then(common.mustCall());
}

{
Promise.all(
[1, '', false, Infinity].map(
(i) => assert.rejects(setPromiseImmediate(10, i), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', false, Infinity, null, {}].map(
(signal) => assert.rejects(setPromiseImmediate(10, { signal }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', Infinity, null, {}].map(
(ref) => assert.rejects(setPromiseImmediate(10, { ref }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', false, Infinity].map(
(i) => assert.rejects(setPromiseTimeout(10, null, i), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', false, Infinity, null, {}].map(
(signal) => assert.rejects(setPromiseTimeout(10, null, { signal }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());

Promise.all(
[1, '', Infinity, null, {}].map(
(ref) => assert.rejects(setPromiseTimeout(10, null, { ref }), {
code: 'ERR_INVALID_ARG_TYPE'
})
)
).then(common.mustCall());
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
'require(\'timers/promises\').setTimeout(1000, null, { ref: false }).' +
'then(assert.fail)"').then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
'require(\'timers/promises\').setImmediate(null, { ref: false }).' +
'then(assert.fail)"').then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
'const interval = require(\'timers/promises\')' +
Expand Down
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