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test_runner: empty pending tests queue post running #44059

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merged 2 commits into from
Jul 31, 2022
Merged

test_runner: empty pending tests queue post running #44059

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d4e4761
test_runner: empty pending tests queue post running
MoLow Jul 30, 2022
dcab352
I want this checked as well
MoLow Jul 30, 2022
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1 change: 1 addition & 0 deletions lib/internal/test_runner/test.js
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Expand Up @@ -523,6 +523,7 @@ class Test extends AsyncResource {

// The test has run, so recursively cancel any outstanding subtests and
// mark this test as failed if any subtests failed.
this.pendingSubtests = [];
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this should probably use defineProperty?

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The object is never exposed to user land.
See how it it originally defined in the constructor

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AsyncResource instances inherit from Object.prototype, so by adding a setter to Object.prototype for “pendingSubtests” would allow someone to intercept this part of the class.

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@aduh95 aduh95 Jul 31, 2022 •
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It's overriding a property that was already defined in the constructor, so a follow up PR could make the constructor itself use defineProperty (or the setOwnProperty helper from #44007), this line is fine though IIUC.

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@MoLow MoLow Jul 31, 2022 •
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il do this in a follow-up pr after #44007 will land

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An alternative would be to use a class field in AsyncResource (and/or here)

for (let i = 0; i < this.subtests.length; i++) {
const subtest = this.subtests[i];

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2 changes: 1 addition & 1 deletion test/message/test_runner_unresolved_promise.js
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Expand Up @@ -5,4 +5,4 @@ const test = require('node:test');

test('pass');
test('never resolving promise', () => new Promise(() => {}));
test('fail');
test('fail', () => console.log('this should not appear'));
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this message would have been printed prior to this PR

2 changes: 1 addition & 1 deletion test/message/test_runner_unresolved_promise.out
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Expand Up @@ -17,7 +17,7 @@ not ok 2 - never resolving promise
# Subtest: fail
not ok 3 - fail
---
duration_ms: *
duration_ms: 0
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I want to make sure this test never starts

failureType: 'cancelledByParent'
error: 'test did not finish before its parent and was cancelled'
code: 'ERR_TEST_FAILURE'
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