test: rewrite inspector test helper by eugeneo · Pull Request #14460 · nodejs/node

eugeneo · 2017-07-24T21:56:52Z

Helper was rewritten to rely on promises instead of manually written
queue and callbacks. This simplifies the code and makes it easier to
maintain and extend.

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
tests and/or benchmarks are included
commit message follows commit guidelines

Affected core subsystem(s)

test: 2 of the inspector tests were rewritten with a new framework.

This is a work in progress. I would be grateful for any feedback before I port other tests on this new helper API.

eugeneo · 2017-07-26T21:41:55Z

Newer helper uses port 0 by default. Also it should now be possible to run multiple children processes (no test uses this yet).

TimothyGu · 2017-07-27T06:56:19Z

Very nice! I've implemented something like this but for inspector.Session in my VM context PR so I've got a couple suggestions. I'm on my phone though so will post them later.

eugeneo · 2017-07-28T17:50:01Z

@TimothyGu I would really appreciate your suggestions.

I've been thinking about having a test framework that can run tests both through WebSockets and JS bindings to improve the coverage. But I am also working on moving WS codepath to use JS bindings to talk to inspector - that should make JS bindings tests less important.

TimothyGu · 2017-07-31T00:34:53Z

test/inspector/inspector-helper-new.js

This could be added to test/common/index.js, or you can just take my version instead :) https://github.com/TimothyGu/node/blob/15a8ff8f52a8e01f41e773ea1f4e970976625aac/test/common/index.js#L820-L838 (docs)

I copied you version - but the issue I noticed is that the test will not complete until the timeout is fired. I implemented the timeout clearing.

TimothyGu · 2017-07-31T00:35:15Z

test/inspector/inspector-helper-new.js

Arrow functions are preferred.

TimothyGu · 2017-07-31T00:35:53Z

test/inspector/inspector-helper-new.js

In Node.js private properties are usually prefixed with _ not postfixed.

TimothyGu · 2017-07-31T00:41:13Z

test/inspector/inspector-helper-new.js

TimothyGu · 2017-07-31T00:43:27Z

test/inspector/inspector-helper-new.js

Array.isArray

TimothyGu · 2017-07-31T00:45:47Z

test/inspector/inspector-helper-new.js

Where is enqueue_ defined?

I deleted "kill" (for now). It was copied from the old test and "enqueu_" is a primary reason the tests have to be rewritten :)

TimothyGu · 2017-07-31T00:46:41Z

test/inspector/inspector-helper-new.js

Is this function intended to be public?

Made it a standalone non-exported function.

TimothyGu · 2017-07-31T00:54:13Z

test/inspector/test-inspector-break-when-eval.js

You might want to use common.crashOnUnhandledRejection()

TimothyGu · 2017-07-31T00:57:44Z

test/inspector/inspector-helper-new.js

I know it doesn't matter most of the cases, but I prefer using once instead of on with promises.

TimothyGu · 2017-07-31T00:59:12Z

test/inspector/inspector-helper-new.js

WS stuff should be factored out of this function (much like parseWSFrame above).

eugeneo · 2017-07-31T18:33:01Z

@TimothyGu Thank you for your review. Please take another look. I am more confident in this approach now so I will try to find time and port other tests now.

jasnell · 2017-07-31T19:35:58Z

test/common/index.js

docs should be added to test/common/README.md

Done. I also ported a couple more test cases.

Note - I pushed a new change as a separate commit to make it easier to use the GitHub UI - I will do a proper rebase/squish before submitting the code.

refack · 2017-08-02T00:59:01Z

test/common/index.js

Can you call this finally as per https://github.com/tc39/proposal-promise-finally

finally is a reserved word. I considered promiseFinally or onFinally - but decided to be explicit...

One hackish way around that is to set the name property on the function after it is defined. E.g.

function onResolvedOrRejected(promise, callback) { /* ... */ } onResolvedOrRejected.name = 'finally';

But I definitely do not see that as being critical.

eugeneo · 2017-08-03T18:03:35Z

CI: https://ci.nodejs.org/job/node-test-pull-request/9466/

I ported all the tests to a new framework. I also renamed test cases to remove "-inspector" from the file name - they all reside in the "inspector" folder so there is no need to repeat it in the file name.

TimothyGu

This needs a rebase...

TimothyGu · 2017-08-03T19:43:59Z

test/inspector/test-not-blocked-on-idle.js

Debugging console.logs?

eugeneo · 2017-08-09T23:11:34Z

Performed a rebase. New CI: https://ci.nodejs.org/job/node-test-pull-request/9578/

eugeneo · 2017-08-10T16:19:10Z

Apparently, last CI run was cancelled. New CI: https://ci.nodejs.org/job/node-test-pull-request/9603/

eugeneo · 2017-08-10T23:36:52Z

CI did not show any relevant failures. This PR landed as https://github.com/eugeneo/node/commit/2296b677fb1e2ea71e86a899b028ba9e817e86ad.

This reverts commit 2296b67. That commit was landed without a green CI and is failing on Windows. Ref: nodejs#14460

addaleax · 2017-08-11T19:41:15Z

@eugeneo The last CI run linked here is for a different PR, this patch makes CI fail on Windows; revert is in #14777

This reverts commit 2296b67. That commit was landed without a green CI and is failing on Windows. Ref: #14460 PR-URL: #14777 Reviewed-By: Refael Ackermann <refack@gmail.com>

nodejs-github-bot added dont-land-on-v4.x inspector Issues and PRs related to the V8 inspector protocol test Issues and PRs related to the tests. labels Jul 24, 2017

TimothyGu self-assigned this Jul 31, 2017

TimothyGu reviewed Jul 31, 2017

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jasnell reviewed Jul 31, 2017

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refack reviewed Aug 2, 2017

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jasnell approved these changes Aug 3, 2017

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TimothyGu mentioned this pull request Aug 3, 2017

Report async tasks to V8 Inspector #13870

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TimothyGu reviewed Aug 7, 2017

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eugeneo closed this Aug 10, 2017

eugeneo deleted the promisify-test branch August 10, 2017 23:36

eugeneo merged commit 2296b67 into nodejs:master Aug 10, 2017

addaleax added a commit to addaleax/node that referenced this pull request Aug 11, 2017

Revert "inspector: rewrite inspector test helper"

42d8d32

This reverts commit 2296b67. That commit was landed without a green CI and is failing on Windows. Ref: nodejs#14460

addaleax mentioned this pull request Aug 11, 2017

Revert "inspector: rewrite inspector test helper" #14777

Closed

2 tasks

addaleax added dont-land-on-v6.x labels Aug 11, 2017

eugeneo mentioned this pull request Aug 13, 2017

inspector: rewrite inspector test helper #14797

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3 tasks

jasnell mentioned this pull request Oct 30, 2017

Proposal: 2017-10-31, Version 9.0.0 (Current) #15135

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eugeneo commented Jul 24, 2017 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Checklist

Affected core subsystem(s)

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eugeneo commented Jul 26, 2017

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TimothyGu commented Jul 27, 2017

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eugeneo commented Jul 31, 2017

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eugeneo commented Aug 3, 2017

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eugeneo commented Aug 9, 2017

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eugeneo commented Aug 10, 2017

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eugeneo commented Aug 10, 2017

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eugeneo commented Jul 24, 2017 •

edited

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