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test: fix flaky test-http-set-timeout-server #6248

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santigimeno
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Checklist
  • tests and code linting passes
  • the commit message follows commit guidelines
Affected core subsystem(s)

test

Description of change

Use different port numbers for every connection to avoid rare
EADDRINUSE errors on SmartOS.

Fixes: #6197

@santigimeno santigimeno added http Issues or PRs related to the http subsystem. test Issues and PRs related to the tests. smartos Issues and PRs related to the SmartOS platform. labels Apr 16, 2016
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Ci: https://ci.nodejs.org/job/node-test-pull-request/2289/

@santigimeno santigimeno mentioned this pull request Apr 16, 2016
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@mscdex
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mscdex commented Apr 16, 2016

On a semi-related note, is there a real reason why we don't just allow the OS to assign a free port number for tests instead of using common.PORT? I tried looking back through the archive and the commit that added common.PORT was just trying to unify the various ports used in tests.

Would it be better to modify tests to use a random free port to avoid potential issues like this?

/cc @nodejs/testing

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Would it be better to modify tests to use a random free port to avoid potential issues like this?

@mscdex I think it is the correct solution. I'll update this test accordingly. The rest of the test suite will take more time. Thanks for the suggestion!

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Added a new commit so random free ports are used. @mscdex is this what you had in mind? Thanks

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mscdex commented Apr 16, 2016

@santigimeno Yes.

@santigimeno santigimeno force-pushed the fix_ports_reuse branch 3 times, most recently from e205926 to 6b6c67a Compare April 16, 2016 21:41
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Rebased into a single commit.

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New CI run: https://ci.nodejs.org/job/node-test-pull-request/2290/

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Perhaps even expand how common.PORT works, making it more resilient against similar things? If we run parallel tests we for instance increment it with +1, but testing another, random, port would be even better (before exiting), no?

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Trott commented Apr 17, 2016

LGTM

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jasnell commented Apr 18, 2016

I think refactoring or improving common.PORT to handle this better would be a great idea, but in a separate PR. This LGTM

@santigimeno
test: fix flaky test-http-set-timeout-server
d639bf6 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: nodejs#6197
PR-URL: nodejs#6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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Rebased. New CI: https://ci.nodejs.org/job/node-test-pull-request/2312/

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All is green except for one of the recurrent test failures in the pi2

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Thanks for the reviews

santigimeno added a commit that referenced this pull request Apr 19, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
57f0595 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@santigimeno
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Landed in 57f0595

MylesBorins pushed a commit that referenced this pull request Apr 19, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
e4d145a 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Apr 20, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
20255bf 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Trott pushed a commit to Trott/io.js that referenced this pull request Apr 20, 2016
@santigimeno @Trott
test: fix flaky test-http-set-timeout-server
94e1da9 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: nodejs#6197
PR-URL: nodejs#6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request Apr 20, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
4be2e15 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@MylesBorins MylesBorins mentioned this pull request Apr 20, 2016
Closed
MylesBorins pushed a commit that referenced this pull request Apr 20, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
056a258 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This was referenced Apr 21, 2016
Closed
Closed
MylesBorins pushed a commit that referenced this pull request Apr 21, 2016
@santigimeno @MylesBorins
test: fix flaky test-http-set-timeout-server
1af0e44 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
joelostrowski pushed a commit to joelostrowski/node that referenced this pull request Apr 25, 2016
@santigimeno @joelostrowski
test: fix flaky test-http-set-timeout-server
564dbef 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: nodejs#6197
PR-URL: nodejs#6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
jasnell pushed a commit that referenced this pull request Apr 26, 2016
@santigimeno @jasnell
test: fix flaky test-http-set-timeout-server
4dcb1a2 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 17, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
738859a 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
MylesBorins pushed a commit that referenced this pull request May 18, 2016
@santigimeno
test: fix flaky test-http-set-timeout-server
24ac16f 
Make the servers listen on a free port number picked by the OS to avoid
rare `EADDRINUSE` errors on `SmartOS`.

Fixes: #6197
PR-URL: #6248
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
@MylesBorins MylesBorins mentioned this pull request May 18, 2016
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Investigate (flaky?) test-http-set-timeout-server on SmartOS
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@santigimeno @mscdex @jbergstroem @Trott @jasnell @MylesBorins