cleanup fix for Unresolved reference while instantiating Encoding

PR #68

Author: cebe

src/spec/MediaType.php

@@ -53,12 +53,12 @@ public function __construct(array $data)
                 if ($encodingData instanceof Encoding) {
                     $encoding[$property] = $encodingData;
                 } elseif (is_array($encodingData)) {
+                    $schema = $this->schema->properties[$property] ?? null;
                     // Don't pass the schema if it's still an unresolved reference.
-                    if (this->schema->properties[$property] instanceof Reference) {
+                    if ($schema instanceof Reference) {
                         $encoding[$property] = new Encoding($encodingData);
-                    }
-                    else {
-                        $encoding[$property] = new Encoding($encodingData, $this->schema->properties[$property] ?? null);
+                    } else {
+                        $encoding[$property] = new Encoding($encodingData, $schema);
                     }
                 } else {
                     $givenType = gettype($encodingData);

tests/spec/MediaTypeTest.php

@@ -3,7 +3,9 @@
 use cebe\openapi\Reader;
 use cebe\openapi\spec\MediaType;
 use cebe\openapi\spec\Example;
+use cebe\openapi\spec\OpenApi;
 use cebe\openapi\spec\Reference;
+use Symfony\Component\Yaml\Yaml;
 
 /**
  * @covers \cebe\openapi\spec\MediaType
@@ -114,4 +116,54 @@ public function testPathsCanNotBeCreatedFromBullshit($config, $expectedException
 
         new MediaType($config);
     }
+
+    public function testUnresolvedReferencesInEncoding()
+    {
+        $yaml = Yaml::parse(<<<'YAML'
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: Encoding test
+paths:
+  /pets:
+    post:
+      summary: Create a pet
+      operationId: createPets
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              type: object
+              properties:
+                pet:
+                  $ref: '#/components/schemas/Pet'
+                petImage:
+                  type: string
+                  format: binary
+            encoding:
+              pet:
+                contentType: application/json
+              petImage:
+                contentType: image/*
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Pet'
+      responses:
+        '201':
+          description: Null response
+components:
+  schemas:
+    Pet:
+      type: object
+      properties:
+        name:
+          type: string
+YAML
+);
+        $openapi = new OpenApi($yaml);
+        $result = $openapi->validate();
+
+        $this->assertEquals([], $openapi->getErrors());
+        $this->assertTrue($result);
+    }
 }

tests/spec/OpenApiTest.php

@@ -239,54 +239,4 @@ public function testSpecs($openApiFile)
         }
 
     }
-
-    public function testUnresolvedReferencesInEncoding($config, $expectedException)
-    {
-        $yaml = Yaml::parse(<<<'YAML'
-openapi: "3.0.0"
-info:
-  version: 1.0.0
-  title: Encoding test
-paths:
-  /pets:
-    post:
-      summary: Create a pet
-      operationId: createPets
-      requestBody:
-        content:
-          multipart/form-data:
-            schema:
-              type: object
-              properties:
-                pet:
-                  $ref: '#/components/schemas/Pet'
-                petImage:
-                  type: string
-                  format: binary
-            encoding:
-              pet:
-                contentType: application/json
-              petImage:
-                contentType: image/*
-          application/json:
-            schema:
-              $ref: '#/components/schemas/Pet'
-      responses:
-        '201':
-          description: Null response
-components:
-  schemas:
-    Pet:
-      type: object
-      properties:
-        name:
-          type: string
-YAML
-);
-        $openapi = new OpenApi($yaml);
-        $result = $openapi->validate();
-
-        $this->assertEquals([], $openapi->getErrors());
-        $this->assertTrue($result);
-    }
 }