test_runner: delegate stderr and stdout formatting to reporter #48045

HinataKah0 · 2023-05-17T10:26:16Z

Introduce new TestsStream events test:stderr and test:stdout
to delegate stderr and stdout (e.g. console.log()) formatting
to the reporter. And patch existing reporters to:

Spec: output the message as it is
TAP: stay the same with existing test:diagnostic

Fixes: #48011

nodejs-github-bot · 2023-05-17T10:26:21Z

Review requested:

@nodejs/test_runner

lib/internal/test_runner/tests_stream.js

doc/api/test.md

MoLow · 2023-05-17T14:40:48Z

lib/internal/test_runner/runner.js

@@ -285,7 +285,7 @@ class FileTest extends Test {
        const message = messages[i];
        this.addToReport({
          __proto__: null,
-          type: 'test:diagnostic',
+          type: 'test:stdout',
          data: { __proto__: null, nesting: 0, file: this.name, message },


as you have mentioned, nesting is redundant here.
also, I think we should stop breaking this into lines and delegate that to the TAP reporter (and leave as is in spec reporter) - but that dosnt have to happen in this PR

I think we should stop breaking this into lines and delegate that to the TAP reporter (and leave as is in spec reporter)

Sorry I don't get the spec reporter part. By "leaving as it is" are you referring to printing \n as \\n?

Sorry I don't get the spec reporter part. By "leaving as it is" are you referring to printing \n as \n?

I was referring to the output being split into lines before passing it to the reporter:

node/lib/internal/test_runner/runner.js

Line 283 in 3473edc

const messages = RegExpPrototypeSymbolSplit(kSplitLine, nonSerialized.toString('utf-8'));

but as written, it is also ok to not include it in this PR

I'll address it in separate PR 👍

lib/internal/test_runner/runner.js

test/fixtures/test-runner/output/stdout.js

HinataKah0 · 2023-05-19T02:29:32Z

hopefully, with #48045 we can make node --test test.js behave the same as node test.js in terms of console logs

Hi @MoLow , so we want to make the output format of both with & without --test same, right? Maybe without the prefix # or the symbol?

doc/api/test.md

MoLow · 2023-05-19T05:18:07Z

so we want to make the output format of both with & without --test same, right? Maybe without the prefix # or the symbol?

I think TAP should stay the same as today, and spec should just pipe the original data. that is the goal

HinataKah0 · 2023-05-19T15:03:10Z

For the Spec reporter, it looks like this:

I don't think we have any test for console.log Spec reporter because after I changed to output the original data as it is, it doesn't break any test.

Introduce new `TestsStream` events `test:stderr` and `test:stdout` to delegate `stderr` and `stdout` (e.g. `console.log()`) formatting to the reporter. And patch existing reporters to: - Spec: output the message as it is - TAP: stay the same with existing `test:diagnostic`

cjihrig · 2023-05-21T13:44:15Z

doc/api/test.md

+### Event: `'test:stderr'`
+
+* `data` {Object}
+  * `file` {string} The path of the test file.


For the test:diagnostic event, this can also be undefined. Is that possible for these new events?

no. test:diagnostic can be produced inside the REPL. these new events are only useful with --test

nodejs-github-bot · 2023-05-22T21:43:43Z

CI: https://ci.nodejs.org/job/node-test-pull-request/51916/

nodejs-github-bot · 2023-05-23T03:37:44Z

CI: https://ci.nodejs.org/job/node-test-pull-request/51920/

nodejs-github-bot · 2023-05-23T04:44:50Z

Landed in 1229a22

Introduce new `TestsStream` events `test:stderr` and `test:stdout` to delegate `stderr` and `stdout` (e.g. `console.log()`) formatting to the reporter. And patch existing reporters to: - Spec: output the message as it is - TAP: stay the same with existing `test:diagnostic` PR-URL: #48045 Fixes: #48011 Reviewed-By: Moshe Atlow <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

Introduce new `TestsStream` events `test:stderr` and `test:stdout` to delegate `stderr` and `stdout` (e.g. `console.log()`) formatting to the reporter. And patch existing reporters to: - Spec: output the message as it is - TAP: stay the same with existing `test:diagnostic` PR-URL: nodejs#48045 Fixes: nodejs#48011 Reviewed-By: Moshe Atlow <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

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test_runner: align stdout and std error with and without --test #48057

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test_runner: delegate split message to reporter #48140

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test_runner: delegate stderr and stdout formatting to reporter #48045

test_runner: delegate stderr and stdout formatting to reporter #48045

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test_runner: delegate stderr and stdout formatting to reporter #48045

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