test: fix flaky test-dgram-empty-packet & friends #9724

Trott · 2016-11-21T19:10:21Z

Checklist

make -j8 test (UNIX), or vcbuild test nosign (Windows) passes
commit message follows commit guidelines

Affected core subsystem(s)

test dgram

Description of change

Liberal use of common.mustCall()
Rename test-dgram-empty-packet -> test-dgram-send-empty-packet
Remove use of timers to avoid CI failures like seen in the Ref below:

not ok 237 parallel/test-dgram-empty-packet
  ---
  duration_ms: 0.717
  severity: fail
  stack: |-
    /usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd11-x64/test/parallel/test-dgram-empty-packet.js:38
        throw new Error('Timeout');
        ^

    Error: Timeout
        at Timeout._onTimeout
(/usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd11-x64/test/parallel/test-dgram-empty-packet.js:38:11)
        at ontimeout (timers.js:365:14)
        at tryOnTimeout (timers.js:237:5)
        at Timer.listOnTimeout (timers.js:207:5)

Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console:

Trott · 2016-11-21T19:11:32Z

CI: https://ci.nodejs.org/job/node-test-pull-request/4921/

cjihrig · 2016-11-21T19:26:17Z

Looks like the CI had a hiccup on OS X, which is pretty relevant to this test.

Trott · 2016-11-21T19:27:50Z

@cjihrig Yeah, looks like the bug on OS X is still there on the verison of OS X in CI. Putting the skip-code back in...

Trott · 2016-11-21T19:29:25Z

CI again: https://ci.nodejs.org/job/node-test-pull-request/4923/

Trott · 2016-11-21T21:02:43Z

CI looks good. /cc @nodejs/testing @indutny

santigimeno · 2016-11-22T22:20:58Z

The changes look good. I only see an issue with relying that every UDP message is going to be received by the server. This, though highly unlikely, could be a source of flakiness.

Trott · 2016-11-23T06:56:00Z

@santigimeno I've wrapped the client.send() call in setInterval() so that it will try again if the UDP message is not received.

CI: https://ci.nodejs.org/job/node-test-pull-request/4958/

santigimeno

LGTM with a couple of suggestions. Thanks!

santigimeno · 2016-11-23T09:08:24Z

test/parallel/test-dgram-send-empty-buffer.js

 const port = this.address().port;

 client.on('message', common.mustCall(function onMessage(buffer, bytes) {
- clearTimeout(timer);
+ clearInterval(interval);
 client.close();
 }));


maybe check that buffer is empty. Also s/bytes/info or even removing the 2nd argument if we're doing nothing with it

santigimeno · 2016-11-23T09:09:17Z

test/parallel/test-dgram-send-empty-packet.js

+ if (firstArg instanceof Buffer) {
+ clearInterval(interval);
+ client.close();
+ }


check firstArg is empty too?

* Liberal use of common.mustCall() * Rename test-dgram-empty-packet -> test-dgram-send-empty-packet * Remove use of timers to avoid CI failures like seen in the Ref below: ``` not ok 237 parallel/test-dgram-empty-packet --- duration_ms: 0.717 severity: fail stack: |- ... throw new Error('Timeout'); ^ Error: Timeout at Timeout._onTimeout ... at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) ``` Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console:

Trott · 2016-11-24T04:55:16Z

Excellent suggestions from @santigimeno incorporated. CI again: https://ci.nodejs.org/job/node-test-pull-request/4978/

Trott · 2016-11-24T22:38:40Z

Raspberry Pi failure in CI is a build failure and unrelated.

* Liberal use of common.mustCall() * Rename test-dgram-empty-packet -> test-dgram-send-empty-packet * Remove use of timers to avoid CI failures like seen in the Ref below: ``` not ok 237 parallel/test-dgram-empty-packet --- duration_ms: 0.717 severity: fail stack: |- ... throw new Error('Timeout'); ^ Error: Timeout at Timeout._onTimeout ... at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) ``` Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console: PR-URL: nodejs#9724 Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

Trott · 2016-11-24T22:40:34Z

Landed in 9b0f53d

* Liberal use of common.mustCall() * Rename test-dgram-empty-packet -> test-dgram-send-empty-packet * Remove use of timers to avoid CI failures like seen in the Ref below: ``` not ok 237 parallel/test-dgram-empty-packet --- duration_ms: 0.717 severity: fail stack: |- ... throw new Error('Timeout'); ^ Error: Timeout at Timeout._onTimeout ... at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) ``` Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console: PR-URL: #9724 Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

* Liberal use of common.mustCall() * Rename test-dgram-empty-packet -> test-dgram-send-empty-packet * Remove use of timers to avoid CI failures like seen in the Ref below: ``` not ok 237 parallel/test-dgram-empty-packet --- duration_ms: 0.717 severity: fail stack: |- ... throw new Error('Timeout'); ^ Error: Timeout at Timeout._onTimeout ... at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) ``` Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console: PR-URL: nodejs#9724 Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

* Liberal use of common.mustCall() * Rename test-dgram-empty-packet -> test-dgram-send-empty-packet * Remove use of timers to avoid CI failures like seen in the Ref below: ``` not ok 237 parallel/test-dgram-empty-packet --- duration_ms: 0.717 severity: fail stack: |- ... throw new Error('Timeout'); ^ Error: Timeout at Timeout._onTimeout ... at ontimeout (timers.js:365:14) at tryOnTimeout (timers.js:237:5) at Timer.listOnTimeout (timers.js:207:5) ``` Refs: https://ci.nodejs.org/job/node-test-commit-freebsd/5341/nodes=freebsd11-x64/console: PR-URL: #9724 Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

Trott added dgram Issues and PRs related to the dgram subsystem / UDP. test Issues and PRs related to the tests. labels Nov 21, 2016

Trott force-pushed the de-timer-ize branch 2 times, most recently from f60c297 to 06c26b6 Compare November 21, 2016 19:25

Trott force-pushed the de-timer-ize branch from 06c26b6 to 1df9e64 Compare November 21, 2016 19:27

Trott force-pushed the de-timer-ize branch 3 times, most recently from b33bfca to c1c40fd Compare November 23, 2016 06:55

santigimeno approved these changes Nov 23, 2016

View reviewed changes

Trott added 4 commits November 23, 2016 20:42

squash: intervals

84abe59

squash:nits

e5a0a86

squash: nits

2f73690

Trott force-pushed the de-timer-ize branch from c1c40fd to 2f73690 Compare November 24, 2016 04:47

santigimeno approved these changes Nov 24, 2016

View reviewed changes

Trott closed this Nov 24, 2016

Fishrock123 mentioned this pull request Dec 5, 2016

v7.2.1 proposal #10127

Merged

2 tasks

addaleax added the land-on-v6.x label Dec 8, 2016

MylesBorins added the dont-land-on-v4.x label Dec 20, 2016

MylesBorins mentioned this pull request Dec 21, 2016

V6.9.3 proposal #10394

Merged

Trott deleted the de-timer-ize branch January 13, 2022 22:44

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test: fix flaky test-dgram-empty-packet & friends #9724

test: fix flaky test-dgram-empty-packet & friends #9724

Trott commented Nov 21, 2016 •

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test: fix flaky test-dgram-empty-packet & friends #9724

test: fix flaky test-dgram-empty-packet & friends #9724

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Trott commented Nov 21, 2016 • edited Loading

Checklist

Affected core subsystem(s)

Description of change

Trott commented Nov 21, 2016

cjihrig commented Nov 21, 2016

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