Merge pull request #294 from flow-control/honor-default-values-in-schema

Forward defaultValue to GraphQL Schema

Author: moufmouf

src/QueryField.php

@@ -45,7 +45,7 @@ public function __construct(string $name, OutputType $type, array $arguments, ?c
         $config = [
             'name' => $name,
             'type' => $type,
-            'args' => array_map(function(array $item) { return $item['type']; }, $arguments)
+            'args' => $arguments,
         ];
         if ($comment) {
             $config['description'] = $comment;

tests/Fixtures/Integration/Controllers/DefaultValueController.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace TheCodingMachine\GraphQLite\Fixtures\Integration\Controllers;
+
+use TheCodingMachine\GraphQLite\Annotations\Query;
+
+class DefaultValueController
+{
+    /**
+     * @Query()
+     */
+    public function defaultValue(string $default = 'value'): string
+    {
+        return $default;
+    }
+}

tests/Integration/EndToEndTest.php

@@ -508,4 +508,42 @@ public function testEndToEndStaticFactories()
         ], $result->toArray(Debug::RETHROW_INTERNAL_EXCEPTIONS)['data']);
     }
 
+    public function testDefaultValueInSchema()
+    {
+        /** @var Schema $schema */
+        $schema = $this->mainContainer->get(Schema::class);
+
+        $queryString = '
+            query deprecatedField {
+              __type(name: "Query") {
+                fields {
+                  name
+                  args {
+                    name
+                    defaultValue
+                  }
+                }
+              }
+            }
+        ';
+
+        $result = GraphQL::executeQuery(
+            $schema,
+            $queryString
+        );
+
+        $defaultField = null;
+        foreach ($result->data['__type']['fields'] as $field) {
+            if ($field['name'] === 'defaultValue') {
+                $defaultField = $field;
+                break;
+            }
+        }
+
+        $this->assertSame(
+            $defaultField['args'][0]['defaultValue'],
+            '"value"'
+        );
+    }
+
 }