Replace phpunit test_* method prefix with #[Test] attribute

ReplacePrefixedFunctionTestWithAttributeRector.php

<?php

declare(strict_types=1);

namespace App\Rector;

use PhpParser\Node;
use PhpParser\Node\Stmt\ClassMethod;
use PHPUnit\Framework\Attributes\Test;
use Rector\Core\Rector\AbstractRector;
use Rector\Php80\NodeAnalyzer\PhpAttributeAnalyzer;
use Rector\PhpAttribute\NodeFactory\PhpAttributeGroupFactory;
use Rector\PHPUnit\NodeAnalyzer\TestsNodeAnalyzer;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;

class ReplacePrefixedFunctionTestWithAttributeRector extends AbstractRector
{
    public function __construct(
        private readonly TestsNodeAnalyzer $testsNodeAnalyzer,
        private readonly PhpAttributeGroupFactory $phpAttributeGroupFactory,
        private readonly PhpAttributeAnalyzer $phpAttributeAnalyzer
    ) {
    }

    public function getRuleDefinition(): RuleDefinition
    {
        return new RuleDefinition('Replace prefixed function test with PHPUnit #[Test] annotation', [
            new CodeSample(
                <<<'CODE_SAMPLE'
                    class SomeTest extends \PHPUnit\Framework\TestCase
                    {
                        /**
                         * @test
                         */
                        public function onePlusOneShouldBeTwo()
                        {
                            $this->assertSame(2, 1+1);
                        }
                    }
                    CODE_SAMPLE
                ,
                <<<'CODE_SAMPLE'
                    class SomeTest extends \PHPUnit\Framework\TestCase
                    {
                        public function testOnePlusOneShouldBeTwo()
                        {
                            $this->assertSame(2, 1+1);
                        }
                    }
                    CODE_SAMPLE
            ),
        ]);
    }

    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes(): array
    {
        return [ClassMethod::class];
    }

    /**
     * @param ClassMethod $node
     */
    public function refactor(Node $node): ?Node
    {
        if (! $this->testsNodeAnalyzer->isInTestClass($node)) {
            return null;
        }

        if (! $this->isName($node->name, 'test*')) {
            return null;
        }

        if (! $this->phpAttributeAnalyzer->hasPhpAttribute($node, Test::class)) {
            $node->attrGroups = array_merge(
                $node->attrGroups,
                [$this->phpAttributeGroupFactory->createFromClass(Test::class)]
            );
        }

        $node->name->name = lcfirst(
            ltrim(preg_replace('/^test?/', '', $node->name->name), '_')
        );

        return $node;
    }
}