Improving pagination documentation

Author: moufmouf

src/Mappers/Root/MyCLabsEnumTypeMapper.php

@@ -14,6 +14,7 @@
 use phpDocumentor\Reflection\Type;
 use phpDocumentor\Reflection\Types\Object_;
 use ReflectionMethod;
+use TheCodingMachine\GraphQLite\Types\MyclabsEnumType;
 use function is_a;
 use function str_replace;
 use function strpos;
@@ -93,7 +94,7 @@ private function mapByClassName(string $enumClass): ?EnumType
             $constInstances[$key] = ['value' => $enumClass::$key()];
         }
 
-        return $this->cache[$enumClass] = new EnumType([
+        return $this->cache[$enumClass] = new MyclabsEnumType([
             'name' => 'MyCLabsEnum_' . str_replace('\\', '__', $enumClass),
             'values' => $constInstances,
         ]);

src/Types/MyclabsEnumType.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TheCodingMachine\GraphQLite\Types;
+
+use GraphQL\Type\Definition\EnumType;
+use MyCLabs\Enum\Enum;
+use TheCodingMachine\GraphQLite\GraphQLRuntimeException;
+
+/**
+ * An extension of the EnumType to support Myclabs enum.
+ *
+ * This implementation is needed to overwrite the default "serialize" method, that expects to see the exact same object
+ * (while there can be several instances of the same enum value with MyclabsEnum)
+ */
+class MyclabsEnumType extends EnumType
+{
+    public function serialize($value)
+    {
+        if (! $value instanceof Enum) {
+            throw new GraphQLRuntimeException('Expected a Myclab Enum instance');
+        }
+        return $value->getKey();
+    }
+}

tests/Integration/EndToEndTest.php

@@ -953,7 +953,7 @@ public function testEndToEndEnums2(): void
         );
 
         $this->assertSame([
-            'echoProductType' => 'FOOD'
+            'echoSomeProductType' => 'FOOD'
         ], $result->toArray(Debug::RETHROW_INTERNAL_EXCEPTIONS)['data']);
     }