Add CLI flag to generate only one type of CC & Logging regardless of phpunit.xml

[Slamdunk]

Hi, I'm the current maintainer of https://github.com/paratestphp/paratest, a tool to run PHPUnit in parallel, leveraging sub-processes.

A feature we must provide is to generate code-coverage and logging accordingly to phpunit.xml specifications.

Our tool should:

1. Read phpunit.xml <filter/coverage> and <logging> sections, which may all set to all the available configurations
2. Disable all of them during ParaTest process
3. Enable only coverage-php and log-junit into PHPUnit sub-processes
4. Wait for sub-processes to finish and to generate the only two cc+log above
5. Merge everything together within ParaTest process
6. Generate the desired cc/logs respecting again phpunit.xml <filter/coverage> and <logging> sections

As of yet this can't be done because if <filter/coverage> and <logging> sections are specified in phpunit.xml, cc and logs are always generated except with --no-coverage/--no-logging active, but with --no-coverage/--no-logging active no cc nor logs are generated at all.

The workaround we are using right now is suggesting not to have any section in phpunit.xml except the <whitelist> one, and specify each option in the CLI, so ParaTest can easily rewrite them as wish, but of course this is sub-optimal.

So I'm asking something like vendor/bin/phpunit --no-coverage --coverage-php tmp.php --no-logging --log-junit tmp.log.

If you so kind to write down few instructions to how and where implement such feature, I'm happy to propose a PR.

[sebastianbergmann]

vendor/bin/phpunit --no-coverage --coverage-php tmp.php --no-logging --log-junit tmp.log

The above makes sense to me and I will implement this for PHPUnit 9.4.

[Slamdunk]

Ping @Jean85 as this may help your https://github.com/facile-it/paraunit too

[Jean85]

Thanks for the ping but I follow a different approach, without altering the original XML config; I only use CLI options.

[sebastianbergmann]

As I mentioned here: IMO, XML configuration manipulation should be avoided by tools that wrap PHPUnit. Please let me know, as @Slamdunk did with this ticket, if you are missing CLI options.

[Slamdunk]

Thanks for the ping but I follow a different approach, without altering the original XML config; I only use CLI options.

This is going OT, by the way we don't manipulate anything. @Jean85 if you run phpunit bare binary in a sub-processes, it will generate any cc/log written in phpunit.xml, (currently) regardless if you add more or less options, except for --no-* ones.

[sebastianbergmann]

@Slamdunk Thank you for the clarification!

[sebastianbergmann]

I think this should be done after #4292.

[sebastianbergmann]

Supersed by #4446.