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test: stream._writableState.ending #8707

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test: stream._writableState.ending #8707

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italoacasas
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@italoacasas italoacasas commented Sep 22, 2016 •
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Checklist
  • make -j4 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)
  • test
Description of change
  • Adding tests for stream._writableState.ending
  • Adding comment about needDrain flag

Issue related: #8686

@nodejs-github-bot nodejs-github-bot added the stream Issues and PRs related to the stream subsystem. label Sep 22, 2016
@mscdex mscdex added the test Issues and PRs related to the tests. label Sep 22, 2016
@mcollina mcollina self-assigned this Sep 26, 2016
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mcollina commented Sep 29, 2016 •
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Edit: Not LGTM yet.

Can you please adjust the commit message?

We need to account for this behavior here: mainly we need to check that ending might be true while the other state variables (ended, finished) are false.
https://github.com/nodejs/node/blob/master/lib/_stream_writable.js#L496-L507

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italoacasas commented Oct 2, 2016 •
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@mcollina I made some changes in the test, but It was not possible for me to test the fallowing behavior.

  • ending = true while ended = false

The way that functionality is implemented right now is hard to test because they change to true at the "same time" endWritable.

This is my first time reading the stream codebase and maybe I'm not seeing something.

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mcollina commented Oct 2, 2016

@italoacasas you will need to listen to the 'finish' event, which will be emitted in https://github.com/nodejs/node/blob/master/lib/_stream_writable.js#L488 if there are no writes in flight (for which the callback has not be called yet).

@rvagg rvagg force-pushed the master branch 2 times, most recently from c133999 to 83c7a88 Compare October 18, 2016 17:02
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@mcollina ping

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mcollina approved these changes Oct 26, 2016
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LGTM

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mcollina commented Oct 26, 2016 •
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Ci: https://ci.nodejs.org/job/node-test-pull-request/4682/

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Failures unrelated. This is good to go, I'm planning on merging tomorrow or Friday, if no one else has objections.

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cjihrig commented Oct 26, 2016

Could you capitalize and punctuate the comments in this PR. You also have some typos: 'endeding' should be 'ending' in a few places I think. Other than that LGTM.

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mcollina commented Oct 28, 2016 •
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Merged in fd16eed.

@mcollina mcollina closed this Oct 28, 2016
mcollina pushed a commit that referenced this pull request Oct 28, 2016
@italoacasas @mcollina
test: writable stream ending state
fd16eed 
Add a test for _writableState.ending, when ending becomes true,
but the stream is not finished/ended yet.

PR-URL: #8707
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Related: #8686
@gibfahn gibfahn mentioned this pull request Oct 28, 2016
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gibfahn commented Oct 28, 2016

@mcollina Looks like this test is causing a linter error:

/Users/gib/wrk/com/DANGER/node/test/parallel/test-stream-writableState-ending.js
  3:7  error  'common' is assigned a value but never used  no-unused-vars

Fix: #9335

evanlucas pushed a commit that referenced this pull request Nov 3, 2016
@italoacasas @evanlucas
test: writable stream ending state
248a320 
Add a test for _writableState.ending, when ending becomes true,
but the stream is not finished/ended yet.

PR-URL: #8707
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Related: #8686
@evanlucas evanlucas mentioned this pull request Nov 3, 2016
Merged
MylesBorins pushed a commit that referenced this pull request Nov 17, 2016
@italoacasas
test: writable stream ending state
f1ea476 
Add a test for _writableState.ending, when ending becomes true,
but the stream is not finished/ended yet.

PR-URL: #8707
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Related: #8686
MylesBorins pushed a commit that referenced this pull request Nov 17, 2016
@italoacasas
test: writable stream ending state
ba4a3ed 
Add a test for _writableState.ending, when ending becomes true,
but the stream is not finished/ended yet.

PR-URL: #8707
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Related: #8686
MylesBorins pushed a commit that referenced this pull request Nov 19, 2016
@italoacasas @MylesBorins
test: writable stream ending state
7fbfb73 
Add a test for _writableState.ending, when ending becomes true,
but the stream is not finished/ended yet.

PR-URL: #8707
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Related: #8686
This was referenced Nov 22, 2016
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@cjihrig cjihrig cjihrig approved these changes

@mcollina mcollina mcollina approved these changes

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@italoacasas @mcollina @cjihrig @gibfahn @mscdex @MylesBorins @nodejs-github-bot