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Perf: Refactor PHPUnitVersionDetector to use runtime reflection #273

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Merged
ondrejmirtes merged 2 commits into from
Dec 19, 2025
Merged

Perf: Refactor PHPUnitVersionDetector to use runtime reflection #273

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b9e5158
Refactor PHPUnitVersionDetector to use runtime reflection
staabm Dec 19, 2025
b417188
Remove unnecessary is_file()
staabm Dec 19, 2025
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51 changes: 25 additions & 26 deletions src/Rules/PHPUnit/PHPUnitVersionDetector.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2,45 +2,44 @@

namespace PHPStan\Rules\PHPUnit;

use PHPStan\Reflection\ReflectionProvider;
use PHPUnit\Framework\TestCase;
use ReflectionClass;
use ReflectionException;
use function dirname;
use function explode;
use function file_get_contents;
use function is_file;
use function json_decode;

class PHPUnitVersionDetector
{

private ReflectionProvider $reflectionProvider;

public function __construct(ReflectionProvider $reflectionProvider)
{
$this->reflectionProvider = $reflectionProvider;
}

public function createPHPUnitVersion(): PHPUnitVersion
{
$file = false;
$majorVersion = null;
$minorVersion = null;
if ($this->reflectionProvider->hasClass(TestCase::class)) {
$testCase = $this->reflectionProvider->getClass(TestCase::class);
$file = $testCase->getFileName();
if ($file !== null) {
$phpUnitRoot = dirname($file, 3);
$phpUnitComposer = $phpUnitRoot . '/composer.json';
if (is_file($phpUnitComposer)) {
$composerJson = @file_get_contents($phpUnitComposer);
if ($composerJson !== false) {
$json = json_decode($composerJson, true);
$version = $json['extra']['branch-alias']['dev-main'] ?? null;
if ($version !== null) {
$versionParts = explode('.', $version);
$majorVersion = (int) $versionParts[0];
$minorVersion = (int) $versionParts[1];
}
}

try {
// uses runtime reflection to reduce unnecessary work while bootstrapping PHPStan.
// static reflection would need to AST parse and build up reflection for a lot of files otherwise.
$reflection = new ReflectionClass(TestCase::class);
$file = $reflection->getFileName();
} catch (ReflectionException $e) {
// PHPUnit might not be installed
}

if ($file !== false) {
$phpUnitRoot = dirname($file, 3);
$phpUnitComposer = $phpUnitRoot . '/composer.json';

$composerJson = @file_get_contents($phpUnitComposer);
if ($composerJson !== false) {
$json = json_decode($composerJson, true);
$version = $json['extra']['branch-alias']['dev-main'] ?? null;
if ($version !== null) {
$versionParts = explode('.', $version);
$majorVersion = (int) $versionParts[0];
$minorVersion = (int) $versionParts[1];
}
}
}
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