allow \Drupal static in enums

fixes #500

Author: mglaman

src/Rules/Drupal/GlobalDrupalDependencyInjectionRule.php

@@ -29,6 +29,11 @@ public function processNode(Node $node, Scope $scope): array
         }
         $scopeClassReflection = $scope->getClassReflection();
 
+        // Enums cannot have dependency injection.
+        if ($scopeClassReflection->isEnum()) {
+            return [];
+        }
+
         $allowed_list = [
             // Ignore tests.
             'PHPUnit\Framework\Test',

tests/src/Rules/GlobalDrupalDependencyInjectionRuleTest.php

@@ -52,6 +52,14 @@ public function resultData(): \Generator
             __DIR__ . '/../../fixtures/drupal/modules/phpstan_fixtures/src/Entity/ReflectionEntityTest.php',
             [],
         ];
+
+        if (PHP_VERSION_ID >= 80100) {
+            yield [
+                __DIR__ . '/data/bug-500.php',
+                [],
+            ];
+        }
+
     }
 
 

tests/src/Rules/data/bug-500.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Bug500;
+
+enum MyEnum {
+    case ONE;
+    case TWO;
+    public function getTitle(): string {
+        return match($this) {
+            self::ONE => (string) \Drupal::translation()->translate('One'),
+            self::TWO => (string) \Drupal::translation()->translate('Two'),
+        };
+    }
+}