Ensure Context can be serialized (#1789)

Author: DerManoMann

src/Annotations/Components.php

@@ -123,7 +123,7 @@ class Components extends AbstractAnnotation
      */
     public static function componentTypes(): array
     {
-        return array_filter(array_keys(self::$_nested), fn ($value): bool => $value !== Attachable::class);
+        return array_filter(array_keys(self::$_nested), fn (string $value): bool => $value !== Attachable::class);
     }
 
     /**

src/Context.php

@@ -183,6 +183,18 @@ public function getDebugLocation(): string
         return $location;
     }
 
+    /**
+     * Excludes `reflector` property.
+     */
+    public function __serialize(): array
+    {
+        $data = (array) $this;
+        $data['reflector'] = null;
+        unset($data['reflector']);
+
+        return $data;
+    }
+
     /**
      * Traverse the context tree to get the property value.
      */

src/Processors/ExpandEnums.php

@@ -81,11 +81,11 @@ protected function expandContextEnum(Analysis $analysis): void
                 // no (or invalid) schema type means name
                 $useName = Generator::isDefault($schemaType) || ($enumType && $this->native2spec($enumType) != $schemaType);
 
-                $schema->enum = array_map(fn ($case) => ($useName || !($case instanceof \ReflectionEnumBackedCase)) ? $case->name : $case->getBackingValue(), $re->getCases());
+                $schema->enum = array_map(fn (\ReflectionEnumUnitCase $case) => ($useName || !($case instanceof \ReflectionEnumBackedCase)) ? $case->name : $case->getBackingValue(), $re->getCases());
 
                 if ($this->enumNames !== null && !$useName) {
                     $schemaX = Generator::isDefault($schema->x) ? [] : $schema->x;
-                    $schemaX[$this->enumNames] = array_map(fn ($case): string => $case->name, $re->getCases());
+                    $schemaX[$this->enumNames] = array_map(fn (\ReflectionEnumUnitCase $case): string => $case->name, $re->getCases());
 
                     $schema->x = $schemaX;
                 }

tests/Annotations/OpenApiTest.php

@@ -39,4 +39,12 @@ public function testInvalidVersion(): void
         $openapi->openapi = '2';
         $openapi->validate();
     }
+
+    public function testSerialize(): void
+    {
+        $openapi = $this->analysisFromFixtures(['Customer.php'])->openapi;
+        $unserialized = unserialize(serialize($openapi));
+
+        $this->assertSpecEquals($openapi, $unserialized);
+    }
 }