Initial Drupal 11 with DDEV setup

web/core/tests/PHPStan/Rules/ComponentTestDoesNotExtendCoreTest.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+// cspell:ignore analyse
+namespace Drupal\PHPStan\Rules;
+
+use Drupal\BuildTests\Framework\BuildTestBase;
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\UnitTestCase;
+use PhpParser\Node;
+use PHPStan\Analyser\Scope;
+use PHPStan\Node\InClassNode;
+use PHPStan\Reflection\ReflectionProvider;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
+
+/**
+ * Ensures that no component tests are extending a core test base class.
+ *
+ * @implements Rule<\PHPStan\Node\InClassNode>
+ *
+ * @internal
+ */
+final class ComponentTestDoesNotExtendCoreTest implements Rule {
+
+  public function __construct(
+    private ReflectionProvider $reflectionProvider,
+  ) {
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getNodeType(): string {
+    return InClassNode::class;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processNode(Node $node, Scope $scope): array {
+    $class = $node->getClassReflection();
+
+    if (!str_starts_with($class->getName(), 'Drupal\Tests\Component')) {
+      return [];
+    }
+
+    $invalidParents = [
+      $this->reflectionProvider->getClass(UnitTestCase::class),
+      $this->reflectionProvider->getClass(BuildTestBase::class),
+      $this->reflectionProvider->getClass(KernelTestBase::class),
+      $this->reflectionProvider->getClass(BrowserTestBase::class),
+    ];
+
+    foreach ($invalidParents as $invalidParent) {
+      if ($class->isSubclassOfClass($invalidParent)) {
+        return [
+          RuleErrorBuilder::message("Component tests should not extend {$invalidParent->getName()}.")
+            ->line($node->getStartLine())
+            ->build(),
+        ];
+      }
+    }
+
+    return [];
+  }
+
+}