[Config] Fix support for attributes on class constants and enum cases

Author: ruudk

Resource/ReflectionClassResource.php

@@ -135,6 +135,14 @@ private function generateSignature(\ReflectionClass $class): iterable
             yield print_r($class->getConstants(), true);
         }
 
+        foreach ($class->getReflectionConstants() as $constant) {
+            foreach ($constant->getAttributes() as $a) {
+                $attributes[] = [$a->getName(), (string) $a];
+            }
+            yield $constant->name.print_r($attributes, true);
+            $attributes = [];
+        }
+
         if (!$class->isInterface()) {
             $defaults = $class->getDefaultProperties();
 

Tests/Resource/ReflectionClassResourceTest.php

@@ -216,6 +216,30 @@ public function testIgnoresObjectsInSignature()
         TestServiceWithStaticProperty::$initializedObject = new TestServiceWithStaticProperty();
         $this->assertTrue($res->isFresh(0));
     }
+
+    public function testEnum()
+    {
+        $res = new ReflectionClassResource($enum = new \ReflectionClass(SomeEnum::class));
+        $r = new \ReflectionClass(ReflectionClassResource::class);
+        $generateSignature = $r->getMethod('generateSignature')->getClosure($res);
+        $actual = implode("\n", iterator_to_array($generateSignature($enum)));
+        $this->assertStringContainsString('UnitEnum', $actual);
+        $this->assertStringContainsString('TestAttribute', $actual);
+        $this->assertStringContainsString('Beta', $actual);
+    }
+
+    public function testBackedEnum()
+    {
+        $res = new ReflectionClassResource($enum = new \ReflectionClass(SomeBackedEnum::class));
+        $r = new \ReflectionClass(ReflectionClassResource::class);
+        $generateSignature = $r->getMethod('generateSignature')->getClosure($res);
+        $actual = implode("\n", iterator_to_array($generateSignature($enum)));
+        $this->assertStringContainsString('UnitEnum', $actual);
+        $this->assertStringContainsString('BackedEnum', $actual);
+        $this->assertStringContainsString('TestAttribute', $actual);
+        $this->assertStringContainsString('Beta', $actual);
+        $this->assertStringContainsString('beta', $actual);
+    }
 }
 
 interface DummyInterface
@@ -262,3 +286,19 @@ class TestServiceWithStaticProperty
 {
     public static object $initializedObject;
 }
+
+enum SomeEnum
+{
+    case Alpha;
+
+    #[TestAttribute]
+    case Beta;
+}
+
+enum SomeBackedEnum: string
+{
+    case Alpha = 'alpha';
+
+    #[TestAttribute]
+    case Beta = 'beta';
+}