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test: stream._writableState.ending - #8707

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italoacasas wants to merge 2 commits into
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italoacasas:test/stream_writable_needDrain_state
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test: stream._writableState.ending#8707
italoacasas wants to merge 2 commits into
nodejs:masterfrom
italoacasas:test/stream_writable_needDrain_state

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@italoacasas

@italoacasasitaloacasas 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-botnodejs-github-bot added the stream Issues and PRs related to the stream subsystem. label Sep 22, 2016
@mscdexmscdex added the test Issues and PRs related to the tests. label Sep 22, 2016
@mcollinamcollina self-assigned this Sep 26, 2016
@mcollina

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

@italoacasas

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.

@mcollina

mcollina commented Oct 2, 2016

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@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
rvaggforce-pushed the master branch 2 times, most recently from c133999 to 83c7a88CompareOctober 18, 2016 17:02
@italoacasas

italoacasas commented Oct 25, 2016

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@mcollina ping

mcollina
mcollina approved these changes Oct 26, 2016
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LGTM

@mcollina

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

@mcollina

mcollina commented Oct 26, 2016

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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.

@cjihrig

cjihrig commented Oct 26, 2016

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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.

@mcollina

mcollina commented Oct 28, 2016•
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Merged in fd16eed.

mcollina pushed a commit that referenced this pull request Oct 28, 2016
Italo A. Casas@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 <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Related: #8686
@gibfahngibfahn mentioned this pull request Oct 28, 2016
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@gibfahn

gibfahn commented Oct 28, 2016

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

/Users/gib/wrk/com/DANGER/node/test/parallel/test-stream-writableState-ending.js3:7error'common'isassignedavaluebutneverusedno-unused-vars

Fix: #9335

evanlucas pushed a commit that referenced this pull request Nov 3, 2016
Italo A. Casas@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 <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Related: #8686
@evanlucasevanlucas mentioned this pull request Nov 3, 2016
Merged
MylesBorins pushed a commit that referenced this pull request Nov 17, 2016
Italo A. CasasMyles Borins
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 <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Related: #8686
MylesBorins pushed a commit that referenced this pull request Nov 17, 2016
Italo A. CasasMyles Borins
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 <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Related: #8686
MylesBorins pushed a commit that referenced this pull request Nov 19, 2016
Italo A. Casas@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 <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Related: #8686
This was referenced Nov 22, 2016
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