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Debugger - Filter out the ending of the Module wrapper when using the list command #9773

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@TimothyGu TimothyGu

@cjihrig cjihrig

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@lholmquist @cjihrig @lance @TimothyGu @danbev @gibfahn @BridgeAR @nodejs-github-bot
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lholmquist commented Nov 23, 2016 •
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Checklist
  • make -j8 test (UNIX), or vcbuild test nosign (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines
Affected core subsystem(s)

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Description of change

PR for #9768.

When inside the debugger, doing a list(10) on a file with only say 5 lines, would print the end of the module wrapper on the last line.

There is code currently to make sure that the first part of the Module wrapper is filtered out. that is located here: https://github.com/nodejs/node/blob/master/lib/_debugger.js#L1107

The code added filters out the very last line of the lines array, which is the ending of the module wrapper.

I did not add a test for this. I don't believe there was one that tests List anyways. If there needs to be one, i will try and look at the other debugger tests as an example

@nodejs-github-bot nodejs-github-bot added the debugger label Nov 23, 2016

@lholmquist lholmquist referenced this pull request Nov 23, 2016

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debug list() command showing an extra }); at the end #9768

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Could you provide a test case please.
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cjihrig commented Nov 23, 2016

Could you provide a test case please.
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sure
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lholmquist commented Nov 23, 2016

sure

@lholmquist lholmquist referenced this pull request Nov 28, 2016

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Node Core Module Exploration - Debugger #53

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@cjihrig Sorry for the delay(Thanksgiving Holiday), I've added a test case here
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lholmquist commented Nov 28, 2016

@cjihrig Sorry for the delay(Thanksgiving Holiday), I've added a test case here
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and rebased
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lholmquist commented Dec 5, 2016

and rebased
Show outdated Hide outdated test/parallel/test-debugger-list-no-module-wrapper.js
Show outdated Hide outdated test/parallel/test-debugger-list-no-module-wrapper.js
Show outdated Hide outdated test/parallel/test-debugger-list-no-module-wrapper.js
Show outdated Hide outdated test/parallel/test-debugger-list-no-module-wrapper.js
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@cjihrig ok, i think i got all the changes, and i also rebased against master too
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lholmquist commented Dec 5, 2016

@cjihrig ok, i think i got all the changes, and i also rebased against master too
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rebased again
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lholmquist commented Dec 8, 2016

rebased again
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In general, it would be nice if we could reuse the test/debugger/helper-debugger-repl.js file. I'm not sure how feasible it is or not though. Thoughts @nodejs/testing?

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@cjihrig updated
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lholmquist commented Dec 8, 2016

@cjihrig updated
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CI: https://ci.nodejs.org/job/node-test-pull-request/5310/
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cjihrig commented Dec 8, 2016

CI: https://ci.nodejs.org/job/node-test-pull-request/5310/
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looks like some failures, not sure whats going on in those platforms though
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lholmquist commented Dec 8, 2016

looks like some failures, not sure whats going on in those platforms though
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i rebased, maybe there was something missing
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lholmquist commented Dec 8, 2016

i rebased, maybe there was something missing

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attempt-backport still does not work Edit: now working?! #100

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New CI: https://ci.nodejs.org/job/node-test-pull-request/5330/
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cjihrig commented Dec 9, 2016

New CI: https://ci.nodejs.org/job/node-test-pull-request/5330/
Show outdated Hide outdated test/parallel/test-debugger-list-no-module-wrapper.js
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rebased
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lholmquist commented Dec 12, 2016

rebased
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CI: https://ci.nodejs.org/job/node-test-pull-request/5368/
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lance commented Dec 12, 2016

CI: https://ci.nodejs.org/job/node-test-pull-request/5368/
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Hmm CI failed on smartOS for the common.mustCall() invocation. I'm not sure if this is a flakey test or not. @cjihrig?
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lance commented Dec 12, 2016

Hmm CI failed on smartOS for the common.mustCall() invocation. I'm not sure if this is a flakey test or not. @cjihrig?
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I'm not sure if this is a flakey test or not.

I'm not sure, but this PR introduces that test, so we don't want to introduce a bad or flakey test.
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cjihrig commented Dec 13, 2016

I'm not sure if this is a flakey test or not.

I'm not sure, but this PR introduces that test, so we don't want to introduce a bad or flakey test.
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so what are some next steps i should be taking here?
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lholmquist commented Dec 13, 2016

so what are some next steps i should be taking here?
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i've added something to the assert to see what that stdout var is, would you guys mind re-running ci :)
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lholmquist commented Dec 13, 2016

i've added something to the assert to see what that stdout var is, would you guys mind re-running ci :)
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I kicked a CI again: https://ci.nodejs.org/job/node-test-pull-request/5382/
It looks like the debugger client is receiving multiple close events before your test has a chance to send any input. We see connecting... but then multiple program terminated lines, which come from the close handler. To be honest, I can't quite figure out what's going on here.
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lance commented Dec 13, 2016

I kicked a CI again: https://ci.nodejs.org/job/node-test-pull-request/5382/
It looks like the debugger client is receiving multiple close events before your test has a chance to send any input. We see connecting... but then multiple program terminated lines, which come from the close handler. To be honest, I can't quite figure out what's going on here.
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Thanks for taking a look. I wonder if there is some bug with smartOS and the debugger
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lholmquist commented Dec 13, 2016

Thanks for taking a look. I wonder if there is some bug with smartOS and the debugger

@nodejs-github-bot nodejs-github-bot added lts-watch-v6.x lts-watch-v4.x labels Dec 21, 2016

@nodejs-github-bot nodejs-github-bot added lts-watch-v6.x lts-watch-v4.x labels Jan 10, 2017

@nodejs-github-bot nodejs-github-bot added lts-watch-v6.x lts-watch-v4.x labels Jan 17, 2017

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@cjihrig so i'm not sure how to proceed here, i've actually tried running smartOS in a vm to see if i could duplicate the test failures. I was only able to get node built and tested on the latest version of smartOS(i think 15 or 16?) but wasn't able to build node on the version of smartOS that was failing(which i think was 14, i think it had to do with the gcc version or something).

I followed a bunch of different gists to get things setup, so what i have might not be the same thing that the CI is testing against.

Any guidance on a next step would be appreciated. Thanks
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lholmquist commented Jan 17, 2017

@cjihrig so i'm not sure how to proceed here, i've actually tried running smartOS in a vm to see if i could duplicate the test failures. I was only able to get node built and tested on the latest version of smartOS(i think 15 or 16?) but wasn't able to build node on the version of smartOS that was failing(which i think was 14, i think it had to do with the gcc version or something).

I followed a bunch of different gists to get things setup, so what i have might not be the same thing that the CI is testing against.

Any guidance on a next step would be appreciated. Thanks

@nodejs-github-bot nodejs-github-bot added lts-watch-v6.x lts-watch-v4.x labels Jan 18, 2017

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Let's get a fresh CI and see what happens: https://ci.nodejs.org/job/node-test-pull-request/5959/
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cjihrig commented Jan 20, 2017

Let's get a fresh CI and see what happens: https://ci.nodejs.org/job/node-test-pull-request/5959/
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i see that the ARM is reporting as failed, but the link to CI looks like it passed.

Also, looks like the smartOS 14-32 isn't failing anymore, but 14-64 still is
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lholmquist commented Jan 20, 2017

i see that the ARM is reporting as failed, but the link to CI looks like it passed.

Also, looks like the smartOS 14-32 isn't failing anymore, but 14-64 still is
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The ARM failure on GitHub can be ignored. If you look at the actual Jenkins link, only SmartOS failed.
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cjihrig commented Jan 20, 2017

The ARM failure on GitHub can be ignored. If you look at the actual Jenkins link, only SmartOS failed.

@nodejs-github-bot nodejs-github-bot removed lts-watch-v6.x lts-watch-v4.x labels Mar 14, 2017

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@cjihrig can this PR be merged or does it need some more work?
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TimothyGu commented Mar 20, 2017

@cjihrig can this PR be merged or does it need some more work?
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The last time we ran the CI, the test in this PR was failing on SmartOS.
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cjihrig commented Mar 20, 2017

The last time we ran the CI, the test in this PR was failing on SmartOS.
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The old CI URL seems to have expired. Let's try again then: https://ci.nodejs.org/job/node-test-pull-request/6926/
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TimothyGu commented Mar 20, 2017

The old CI URL seems to have expired. Let's try again then: https://ci.nodejs.org/job/node-test-pull-request/6926/
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CI seems to be passing on SmartOS this time around.

@lholmquist, can you fix this nit and @cjihrig's review comment here (in other words, reverting 8f10635360ffbdd158d3c088a0e19e066ac8cd8c), so we can merge this PR?

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@TimothyGu @cjihrig I've reverted back that commit, and fixed that small nit. I've also rebased against master too.
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lholmquist commented Mar 20, 2017

@TimothyGu @cjihrig I've reverted back that commit, and fixed that small nit. I've also rebased against master too.
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Debugger - Filter out the ending of the Module wrapper when using the… 
… list command

When doing the list command using a number that is more than the amount lines in that files, ex: list(10),
the ending of the Module wrapper was still showing.  This removes that line.

Fixes: #9768
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Minor nit: the subsystem should perhaps be lib:, and the commit message adhere to the guidelines. (I can make those changes when merging after all reviews have been approved)

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@cjihrig @TimothyGu Would it be alright if I land this?
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danbev commented Mar 28, 2017

@cjihrig @TimothyGu Would it be alright if I land this?
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CI 7: https://ci.nodejs.org/job/node-test-commit/8729/
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gibfahn commented Mar 28, 2017

CI 7: https://ci.nodejs.org/job/node-test-commit/8729/
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Looks like there are still related test failures.
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cjihrig commented Mar 28, 2017

Looks like there are still related test failures.
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Looks like there are still related test failures.

I'm running the test on windows to see if I can track down the issue.
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danbev commented Mar 28, 2017

Looks like there are still related test failures.

I'm running the test on windows to see if I can track down the issue.
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add wait for prompt 
This commit attempts to fix a failure that has been reported by CI and
that I was able to reproduce locally as well. Will run another CI and
see if this takes care of the issue.
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CI: https://ci.nodejs.org/job/node-test-pull-request/7138/
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danbev commented Mar 31, 2017

CI: https://ci.nodejs.org/job/node-test-pull-request/7138/
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This needs a rebase. @danbev did your commit solve the failure?
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BridgeAR commented Aug 26, 2017

This needs a rebase. @danbev did your commit solve the failure?
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@BridgeAR @cjihrig Since the file that i made changes to is now deleted, does it make sense to still continue this PR?
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lholmquist commented Aug 28, 2017

@BridgeAR @cjihrig Since the file that i made changes to is now deleted, does it make sense to still continue this PR?
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I don't think so. I'll close this.
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cjihrig commented Aug 28, 2017

I don't think so. I'll close this.

@cjihrig cjihrig closed this Aug 28, 2017

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