test: fix timeout in sequential/test-fs-watch-system-limit #23560

mmmscott · 2018-10-12T18:02:46Z

During run of make test on Linux, it is possible for this test
to spawn 200 processes and hang since there is a check to max
out at 200 child processes.

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
tests and/or benchmarks are included
commit message follows commit guidelines

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

Original commit message: [api] Remove deprecated wasm methods These methods were deprecated in 7.0, now we can remove them. [email protected] Bug: v8:7868 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I60badb378a055152bdd27aed67d11ddf74fce174 Reviewed-on: https://chromium-review.googlesource.com/1209283 Reviewed-by: Adam Klein <[email protected]> Commit-Queue: Clemens Hammacher <[email protected]> Cr-Commit-Position: refs/heads/master@{nodejs#55695} Refs: v8/v8@b0af309 PR-URL: nodejs#23415 Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Joyee Cheung <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

PR-URL: nodejs#23455 Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Covering the case when fs-read get invalid argument for file handle PR-URL: nodejs#23601 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]>

Minor cleanup in the lifetime for the platform worker initialization synchronization barrier. PR-URL: nodejs#23419 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Denys Otrishko <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

When using `assert.strictEqual`, the first argument must be the actual value and the second argument must be the expected value. PR-URL: nodejs#23448 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23449 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Beth Griggs <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Have actual first, expected second. PR-URL: nodejs#23450 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Reverse the argument for assertion. The first argument should be the actual value and the second value should be the expected value. When there is an AssertionError, the expected and actual value will be labeled correctly. PR-URL: nodejs#23451 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Catch statement defines err variable that is never used, so it is safe to remove that. PR-URL: nodejs#23452 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Converts RangeError assertions to use common.expectsError and includes an assertion for the error code. PR-URL: nodejs#23454 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23456 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23457 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23458 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Hitesh Kanwathirtha <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23459 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23461 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23463 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23465 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test-http-expect-handling.js has an instance of the test value and the expected value being reversed. Refs: https://nodejs.org/api/assert.html PR-URL: nodejs#23466 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23468 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23469 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]>

PR-URL: nodejs#23639 Refs: nodejs#20628 Reviewed-By: Rich Trott <[email protected]>

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

fixed order of parameters in assert.strictEqual() assertion functions, first argument provided was the expected value and the second value was the actual value. this is backwards from the documentation for assertions like assert.strictEqual() where the first value being tested and the second value is the expected value PR-URL: nodejs#23609 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23608 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23607 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Denys Otrishko <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23604 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Change base64_encoded_size and unbase64 to inline functions. The base64_encoded_size is a constexpr to be used in function declarations. PR-URL: nodejs#23603 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23602 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Fix assert.strictEquals argument order. Arguments were actual first, expected second, contrary to the documentation. Now, actual value is first and expected value is second. PR-URL: nodejs#23600 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23599 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23598 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

PR-URL: nodejs#23594 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Added test coverage for 4 un-covered if statements in slowCases PR-URL: nodejs#23592 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

On my machine, this brings test execution time down from about 2 seconds to 0.2 seconds. PR-URL: nodejs#23430 Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

While it doesn't make any difference now. In the future PromiseHooks could be refactored to provide an asyncId instead of the promise object. That would make escape analysis on promises possible. Escape analysis on promises could lead to a more efficient destroy hook, if provide by PromiseHooks as well. But at the very least would allow the destroy hook to be emitted earlier. The destroy hook not being emitted on promises frequent enough is a known and reported issue. See nodejs#14446 and Jeff-Lewis/cls-hooked#11. While all this is speculation for now, it all depends on the promise object not being a part of the PromiseWrap resource object. Ref: nodejs#14446 Ref: nodejs/diagnostics#188 PR-URL: nodejs#23443 Refs: nodejs#14446 Refs: nodejs/diagnostics#188 Reviewed-By: Benedikt Meurer <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: George Adams <[email protected]>

Add test to check: - for `null` as len parameter - if error is propagated into callback if file doesn't exist - if an error is actually thrown if len is not a number PR-URL: nodejs#23620 Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Denys Otrishko <[email protected]>

Split out things that are specific to zlib as a specific compression library, vs. the interface that is common to most C compression libraries. This should pave the way for including support for e.g. brotli. PR-URL: nodejs#23360 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Daniel Bevenius <[email protected]>

addaleax · 2018-10-16T11:34:38Z

test/sequential/test-fs-watch-system-limit.js

+    const timeoutStream = new stream.PassThrough();
+    timeoutStream.write('Error: timeout');
+    timeoutStream.end();
+    timeoutStream.pipe(gatherStderr);


Why not call gatherStderr.write() directly?

addaleax · 2018-10-16T11:34:57Z

test/sequential/test-fs-watch-system-limit.js

+    timeoutStream.pipe(gatherStderr);
+
+    finished = true;
+    processes.forEach((proc) => proc.kill());


Is this necessary? Shouldn’t it already be happening below?

I was a bit aggressive with the process killing since the test had left my machine with a lot of child processes, but you're right

This might be good to add to process.once('exit') in case the test fails in the middle.

addaleax · 2018-10-16T11:35:28Z

test/sequential/test-fs-watch-system-limit.js

 let accumulated = '';
 gatherStderr.on('data', common.mustCallAtLeast((chunk) => {
  accumulated += chunk;
  if (accumulated.includes('Error:') && !finished) {
    assert(
      accumulated.includes('ENOSPC: System limit for number ' +
                           'of file watchers reached') ||
-      accumulated.includes('EMFILE: '),
+      accumulated.includes('EMFILE: ') ||
+      accumulated.includes('Timeout'),


This spells Timeout with a capital T, the text above has a lowercase t, so they don’t match … is that intentional?

unintentional, thank you

PR-URL: nodejs#23597 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Fix strictEqual assertion arguments order to conform to the function signature in buffer tests PR-URL: nodejs#23486 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

…sscott/node into fix-fs-watch-limit-timeout

mmmscott · 2018-10-16T14:10:14Z

sorry, i messed up this rebase completely. i'm going to close this PR and redo it.

refack · 2018-10-16T14:43:02Z

@marcusscott in case you still have trouble rebasing, you could reopen this PR, and I could help.

test: fix timeout when running sequential/test-fs-watch-system-limit.js

9aa9e80

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

nodejs-github-bot added the test Issues and PRs related to the tests. label Oct 12, 2018

jasnell approved these changes Oct 12, 2018

View reviewed changes

targos added the code-and-learn Issues related to the Code-and-Learn events and PRs submitted during the events. label Oct 12, 2018

BridgeAR changed the title ~~test: fix timeout when running sequential/test-fs-watch-system-limit.js~~ test: fix timeout in sequential/test-fs-watch-system-limit Oct 12, 2018

gireeshpunathil approved these changes Oct 13, 2018

View reviewed changes

addaleax and others added 24 commits October 12, 2018 21:07

repl: remove unused variable e from try catch

f0c5c96

PR-URL: nodejs#23449 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Beth Griggs <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: fix assert.strictEqual argument order

a239270

PR-URL: nodejs#23457 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: swap assert.strictEqual args to actual, expected

767d4da

PR-URL: nodejs#23459 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: fix incorrect ordering of args in assert.strictEqual()

657ee7b

PR-URL: nodejs#23461 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: correct assert test

1c73990

PR-URL: nodejs#23463 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: remove unused e variable in catch statement

8691d8f

PR-URL: nodejs#23465 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

test: update test-cluster-worker-events to use arrow functions

3989785

PR-URL: nodejs#23469 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]>

test: mark test-http2-session-timeout as flake on ARM

882e022

PR-URL: nodejs#23639 Refs: nodejs#20628 Reviewed-By: Rich Trott <[email protected]>

test: don't write to stream if test passed successfully

97d60f9

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

test: fix timeout when running sequential/test-fs-watch-system-limit.js

dbfb5d4

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

test: don't write to stream if test passed successfully

1ffcd0c

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

binaryme and others added 15 commits October 15, 2018 15:34

addaleax reviewed Oct 16, 2018

View reviewed changes

dtoki and others added 10 commits October 16, 2018 13:46

test: simplify test case by just writing directly to stream object

a17077f

test: fix timeout when running sequential/test-fs-watch-system-limit.js

9a32087

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

test: don't write to stream if test passed successfully

860e82f

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

test: fix timeout when running sequential/test-fs-watch-system-limit.js

77f3ae8

During run of make test on Linux, it is possible for this test to spawn 200 processes and hang since there is a check to max out at 200 child processes.

test: don't write to stream if test passed successfully

8f9b07d

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

test: don't write to stream if test passed successfully

8024ad9

On success case, timeout still tries to fire and write to stream. Only write to stream if we haven't finished

test: simplify test case by just writing directly to stream object

b4468d9

Merge branch 'fix-fs-watch-limit-timeout' of https://github.com/marcu…

7e51c77

…sscott/node into fix-fs-watch-limit-timeout

mmmscott closed this Oct 16, 2018

mmmscott deleted the fix-fs-watch-limit-timeout branch October 16, 2018 14:10

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