test: refactor test-beforeexit-event #10121

radelmann · 2016-12-05T06:31:13Z

Checklist

make -j8 test (UNIX), or vcbuild test nosign (Windows) passes
tests and/or benchmarks are included
commit message follows commit guidelines

Affected core subsystem(s)

test

Description of change

replaced var with const or let.
removed all console.log() statements.
removed deaths and revivals vars.
wrapped beforexit listener callbacks with
common.mustCall().
removed exit event listener.

mscdex · 2016-12-05T07:04:19Z

test/parallel/test-beforeexit-event.js


-function tryTimer() {
+const tryTimer = () => {


Why is this necessary?

mscdex · 2016-12-05T07:04:28Z

test/parallel/test-beforeexit-event.js


-function tryListen() {
+const tryListen = () => {


Same here, why is this necessary?

mscdex · 2016-12-05T07:05:19Z

test/parallel/test-beforeexit-event.js

-}
+};
+
+process.on('beforeExit', () => { deaths++; });


I think we should just get rid of the revivals and deaths variables and just use common.mustCall() with the expected number of calls.

Fishrock123 · 2016-12-05T14:34:27Z

test/parallel/test-beforeexit-event.js

+}
+
+function beforeProcess() {
+  console.log('before process');


maybe better as before listener?

I thought we were trying to remove all logging in tests unless required by the test?

Maybe but it just gets swallowed anyways?

The console.log are definitely not required though so ¯\_(ツ)_/¯

Fishrock123 · 2016-12-05T14:36:45Z

test/parallel/test-beforeexit-event.js

-  assert.equal(3, revivals);
+process.on('exit', () => {
+  common.mustCall(beforeExit, 4);
+  common.mustCall(beforeProcess, 3);


That's not how this works. :)

You will need to wrap the callback that you want to call before using it (as in, the variables at lines 9-15 already need the wrappers). Then the exit event listener can be removed.

radelmann · 2016-12-06T18:43:36Z

@Fishrock123 requested changes have been completed, any additional feedback would be much appreciated. Thanks:-)

mscdex · 2016-12-06T20:11:38Z

test/parallel/test-beforeexit-event.js


-process.on('beforeExit', function() { deaths++; });
+const beforeExit = common.mustCall(() => {


This can just be:

process.on('beforeExit', common.mustCall(() => {}), 4);

mscdex · 2016-12-06T20:13:05Z

test/parallel/test-beforeexit-event.js

      this.close();
+    })
+    .on('error', (e) => {


This 'error' handler can be removed since node will already throw if there are no 'error' handlers.

mscdex · 2016-12-06T20:16:17Z

test/parallel/test-beforeexit-event.js

-  setImmediate(function() {
-    revivals++;
+  setImmediate(() => {
+    beforeListener();


What I had in mind instead of this is to wrap the enclosing function in common.mustCall(), for example:

setImmediate(common.mustCall(() => { process.once('beforeExit', common.mustCall(tryTimer)); }));

mscdex · 2016-12-06T20:17:27Z

test/parallel/test-beforeexit-event.js

-  setTimeout(function() {
-    console.log('timeout cb, do another once beforeExit');
-    revivals++;
+  setTimeout(() => {


Similarly, this would instead be:

setTimeout(common.mustCall(() => { process.once('beforeExit', common.mustCall(tryListen)); }));

mscdex · 2016-12-06T20:18:17Z

test/parallel/test-beforeexit-event.js

    process.once('beforeExit', tryListen);
  }, 1);
 }

 function tryListen() {
-  console.log('create a server');
  net.createServer()
    .listen(0)
    .on('listening', function() {


and this one would just be

.on('listening', common.mustCall(() => { this.close(); }));

mscdex · 2016-12-06T20:18:45Z

test/parallel/test-beforeexit-event.js

+  return;
+}, 3);
+
+process.on('beforeExit', beforeExit);

 process.once('beforeExit', tryImmediate);


This needs to be:

process.once('beforeExit', common.mustCall(tryImmediate));

Fishrock123 · 2016-12-06T21:31:17Z

CI: https://ci.nodejs.org/job/node-test-pull-request/5273/

Fishrock123

just a little nit

Fishrock123 · 2016-12-06T21:31:42Z

test/parallel/test-beforeexit-event.js

+}, 4);
+
+const beforeListener = common.mustCall(() => {
+  return;


These can probably just be () => {}

mscdex · 2016-12-06T21:54:59Z

test/parallel/test-beforeexit-event.js


-process.on('beforeExit', function() { deaths++; });
+const beforeExit = common.mustCall(() => {}, 4);


Now that I think about it, I think we can actually get rid of this separate check entirely by just adding a

process.on('beforeExit', common.mustCall(() => {}));

after the this.close() in tryListen().

Fishrock123

CI again: https://ci.nodejs.org/job/node-test-pull-request/5277/

mscdex · 2016-12-07T03:06:15Z

LGTM

mhdawson

LGTM

mhdawson · 2016-12-07T15:49:14Z

CI clean except for failure on smartos which seems unrelated to this test. Opened #10166 to track that issue separately.

mhdawson · 2016-12-07T16:04:14Z

@radelmann, one last thing before we land. We need your full name "Rob Adelmann" as the author for the commit. I could fix that as part of landing but probably better if you do this in your env and re-push. You should be able to change with: git commit --amend --author="Rob Adelmann adelmann@adobe.com" and if you can also update your git config so that future commits also have your full name that would be good.

addaleax · 2016-12-07T17:03:02Z

We need your full name "Rob Adelmann" as the author for the commit.

Just for clarity, feel free to use the name and email address you would like your commits to be credited to (or indicate that just “adelmann” is actually exactly what you prefer).

- replaced var with const/let. - removed all console.log() statements. - removed deaths and revivals vars. - wrapped beforexit listener callbacks with common.mustCall(). - removed exit event listener.

radelmann · 2016-12-07T17:31:01Z

@mhdawson & @addaleax, commit author amended. Let me know if you need anything else, thanks.

addaleax · 2016-12-07T21:30:58Z

Landed in 8960383, thanks for the contribution!

- replaced var with const/let. - removed all console.log() statements. - removed deaths and revivals vars. - wrapped beforexit listener callbacks with common.mustCall(). - removed exit event listener. PR-URL: #10121 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

- replaced var with const/let. - removed all console.log() statements. - removed deaths and revivals vars. - wrapped beforexit listener callbacks with common.mustCall(). - removed exit event listener. PR-URL: nodejs#10121 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

- replaced var with const/let. - removed all console.log() statements. - removed deaths and revivals vars. - wrapped beforexit listener callbacks with common.mustCall(). - removed exit event listener. PR-URL: #10121 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

nodejs-github-bot added the test Issues and PRs related to the tests. label Dec 5, 2016

radelmann force-pushed the test-beforeexit-event-refactor branch from cda4900 to 48691c1 Compare December 5, 2016 06:32

mscdex added the process Issues and PRs related to the process subsystem. label Dec 5, 2016

mscdex reviewed Dec 5, 2016

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test/parallel/test-beforeexit-event.js

function tryTimer() {

const tryTimer = () => {

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Why is this necessary?

mscdex reviewed Dec 5, 2016

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test/parallel/test-beforeexit-event.js

function tryListen() {

const tryListen = () => {

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Same here, why is this necessary?

mscdex reviewed Dec 5, 2016

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radelmann force-pushed the test-beforeexit-event-refactor branch 2 times, most recently from faa9ace to 0eddb09 Compare December 5, 2016 08:03

Fishrock123 suggested changes Dec 5, 2016

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radelmann force-pushed the test-beforeexit-event-refactor branch 5 times, most recently from cba9aff to 3e3fe42 Compare December 5, 2016 21:33

mscdex reviewed Dec 6, 2016

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radelmann force-pushed the test-beforeexit-event-refactor branch from 29b7e97 to 8f8c63e Compare December 6, 2016 20:35

Fishrock123 suggested changes Dec 6, 2016

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mscdex reviewed Dec 6, 2016

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radelmann force-pushed the test-beforeexit-event-refactor branch from 8f8c63e to 5a9a898 Compare December 6, 2016 22:05

Fishrock123 approved these changes Dec 7, 2016

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jasnell approved these changes Dec 7, 2016

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mhdawson approved these changes Dec 7, 2016

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test: refactor test-beforeexit-event

4b254d8

- replaced var with const/let. - removed all console.log() statements. - removed deaths and revivals vars. - wrapped beforexit listener callbacks with common.mustCall(). - removed exit event listener.

radelmann force-pushed the test-beforeexit-event-refactor branch from 5a9a898 to 4b254d8 Compare December 7, 2016 17:26

addaleax closed this Dec 7, 2016

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

italoacasas mentioned this pull request Dec 15, 2016

v7.3.0 proposal #10277

Merged

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

This was referenced Dec 21, 2016

V6.9.3 proposal #10394

Merged

V4.7.1 proposal #10395

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test: refactor test-beforeexit-event #10121

test: refactor test-beforeexit-event #10121

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		process.on('beforeExit', function() { deaths++; });
		const beforeExit = common.mustCall(() => {

test: refactor test-beforeexit-event #10121

test: refactor test-beforeexit-event #10121

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radelmann commented Dec 5, 2016 • edited Loading

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