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Update PhpunitTestEngine.php and ArcanistPhpunitTestResultParser.php to use junit output rather than json.
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Authored by Sten on Nov 14 2023, 09:57.
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Details

Summary

This change updates PhpunitTestEngine.php and ArcanistPhpunitTestResultParser.php to use phpunit's junit output rather than json.

--log-json was deprecated in PHPUnit 5.7, and removed in PHPUnit 6.0.0 (2017-02-03).

Fixes T15667

Test Plan

Download an example PHP repo, with arcconfig set to 'PhpunitTestEngine'. Example:

git clone https://github.com/campbsb/example-phorge-php-project.git

Install phpunit using composer, and test it

cd example-phorge-php-project
php ~/composer.phar update
phpunit

In a PHP phorge repo, set the following in .arcconfig:

"unit.engine": "PhpunitTestEngine",
"phpunit_config": "phpunit.xml",

Make a non-breaking change to src/Service.php (eg add a space), and run 'arc unit'

Diff Detail

Repository
rARC Arcanist
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

Sten requested review of this revision.Nov 14 2023, 09:57
speck added inline comments.
src/unit/parser/ArcanistPhpunitTestResultParser.php
27–28

There are some arguments we probably want to pass into this function call, namely the third argument,

https://www.php.net/manual/en/function.simplexml-load-string.php
https://www.php.net/manual/en/libxml.constants.php

At minimum we should consider LIBXML_NONET to avoid the xml parsing from making any network activity, for sake of security. Several of the other options look applicable/interesting though probably not as critical.

40

Does $error include the file and line information? Same q w/ above for $failure.

40–41

Is the comment here still applicable? Also should this do the same preg_replace operation as above to compute $name?

Just as a reference point, a few years ago, I created a version of this as well - It supports readCoverage coverage reports, etc.

https://github.com/lucit-cc/PhpunitJunitTestEngine/tree/master

I don't have a diff - which is unfortunate, but maybe looking at the code I wrote might make sure nothing is missed?

I can try to find some time to review later as well

Sten edited the test plan for this revision. (Show Details)
  • Add LIBXML_NONET option
  • Remove $last_test_finished and the !last_test_finished block, as that is always true
Sten marked an inline comment as done.Dec 1 2023, 16:31

Testing, using https://github.com/campbsb/example-phorge-php-project.git and breaking it so as to cause a test failure, we get:

$ arc unit
   FAIL  Example\PhorgeProjectTests\ServiceTest

Example\PhorgeProjectTests\ServiceTest::testReturnsTrue
Check returnsTrue () returns true
Failed asserting that false is identical to true.

/home/sten/example-phorge-php-project/tests/ServiceTest.php:23

which demonstrates that we see the file and line number of the failing test.

Replacing this diff's PhpunitTestEngine with @Ekubischta's https://github.com/lucit-cc/PhpunitJunitTestEngine, we get:

$ arc unit
   FAIL  [ ServiceTest.php ]  testReturnsTrue
Example\PhorgeProjectTests\ServiceTest::testReturnsTrue
Check returnsTrue () returns true
Failed asserting that false is identical to true.

/home/sten/example-phorge-php-project/tests/ServiceTest.php:23

Which presents the same information, marginally nicer.

src/unit/parser/ArcanistPhpunitTestResultParser.php
40

We do get file and line information

I'm just glossing over this - is ArcanistPhpunitTestResultParser now learning to parse generic "junit style xml" format?

is ArcanistPhpunitTestResultParser now learning to parse generic "junit style xml" format?

@Sten The answer is yes, isn't it?

@speck , @valerio.bozzolan
Sorry, yes, it's updating the test engine to parse phpunit's junit output, rather than the json output which no longer exists.

So maybe rename the parser to JUnitTestResult, or something like that (If that's the right name for the format and if phpunit is using the same format)?

Also, maybe combine with the ArcanistXUnitTestResultParser.

As per @avivey, update ArcanistPhpunitTestResultParser.php to call ArcanistXUnitTestResultParser and remove it's own XUnit parsing code.

Possible further enhancements, which I am loathe to do when trying to fix an existing bug, so perhaps as a future diff:

  1. Update ArcanistXUnitTestResultParser->parseTestResults() to take a second argument, $path, which, if provided and $test_results is empty, will mimic the ArcanistPhpunitTestResultParser->parseTestResults() behaviour in returning a RESULT_BROKEN ArcanistUnitTestResult. I find this preferable to throwing an exception.
  1. Move the ArcanistPhpunitTestResultParser->readCoverage() into a new ArcanistCloverCoverageParser.php

Doing both of these would mean that ArcanistPhpunitTestResultParser.php could be reduced to just a few lines of code, and arguably incorporated entirely into PhpunitTestEngine.php

avivey accepted this revision.EditedMar 13 2024, 09:04

Looks good to me. @speck

Probably file a new ticket for these 2 enhancements.

This revision is now accepted and ready to land.Mar 13 2024, 09:04