Better handling of relations without Doctrine. (api-platform#3591)

Author: alanpoulain

src/GraphQl/Type/TypeConverter.php

@@ -62,6 +62,10 @@ public function convertType(Type $type, bool $input, ?string $queryName, ?string
                 return GraphQLType::string();
             case Type::BUILTIN_TYPE_ARRAY:
             case Type::BUILTIN_TYPE_ITERABLE:
+                if ($resourceType = $this->getResourceType($type, $input, $queryName, $mutationName, $depth)) {
+                    return $resourceType;
+                }
+
                 return 'Iterable';
             case Type::BUILTIN_TYPE_OBJECT:
                 if ($input && $depth > 0) {

tests/GraphQl/Type/TypeConverterTest.php

@@ -120,11 +120,12 @@ public function testConvertTypeResourceClassNotFound(): void
         $this->assertNull($graphqlType);
     }
 
-    public function testConvertTypeResource(): void
+    /**
+     * @dataProvider convertTypeResourceProvider
+     */
+    public function testConvertTypeResource(Type $type, ObjectType $expectedGraphqlType): void
     {
         $graphqlResourceMetadata = (new ResourceMetadata())->withGraphql(['test']);
-        $type = new Type(Type::BUILTIN_TYPE_OBJECT, false, null, true, null, new Type(Type::BUILTIN_TYPE_OBJECT, false, 'dummyValue'));
-        $expectedGraphqlType = new ObjectType(['name' => 'resourceObjectType']);
 
         $this->typeBuilderProphecy->isCollection($type)->shouldBeCalled()->willReturn(true);
         $this->resourceMetadataFactoryProphecy->create('dummyValue')->shouldBeCalled()->willReturn($graphqlResourceMetadata);
@@ -134,6 +135,14 @@ public function testConvertTypeResource(): void
         $this->assertEquals($expectedGraphqlType, $graphqlType);
     }
 
+    public function convertTypeResourceProvider(): array
+    {
+        return [
+            [new Type(Type::BUILTIN_TYPE_OBJECT, false, null, true, null, new Type(Type::BUILTIN_TYPE_OBJECT, false, 'dummyValue')), new ObjectType(['name' => 'resourceObjectType'])],
+            [new Type(Type::BUILTIN_TYPE_ARRAY, false, null, true, null, new Type(Type::BUILTIN_TYPE_OBJECT, false, 'dummyValue')), new ObjectType(['name' => 'resourceObjectType'])],
+        ];
+    }
+
     /**
      * @dataProvider resolveTypeProvider
      *