feature #16947 [FrameworkBundle] PropertyInfo: register the SerializerExtractor (dunglas)

This PR was squashed before being merged into the 3.1-dev branch (closes #16947).

Discussion
----------

[FrameworkBundle] PropertyInfo: register the SerializerExtractor

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Commits
-------

4422103 [FrameworkBundle] PropertyInfo: register the SerializerExtractor

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/PropertyInfoPass.php

@@ -31,17 +31,19 @@ class PropertyInfoPass implements CompilerPassInterface
             return;
         }
 
+        $definition = $container->getDefinition('property_info');
+
         $listExtractors = $this->findAndSortTaggedServices('property_info.list_extractor', $container);
-        $container->getDefinition('property_info')->replaceArgument(0, $listExtractors);
+        $definition->replaceArgument(0, $listExtractors);
 
         $typeExtractors = $this->findAndSortTaggedServices('property_info.type_extractor', $container);
-        $container->getDefinition('property_info')->replaceArgument(1, $typeExtractors);
+        $definition->replaceArgument(1, $typeExtractors);
 
         $descriptionExtractors = $this->findAndSortTaggedServices('property_info.description_extractor', $container);
-        $container->getDefinition('property_info')->replaceArgument(2, $descriptionExtractors);
+        $definition->replaceArgument(2, $descriptionExtractors);
 
         $accessExtractors = $this->findAndSortTaggedServices('property_info.access_extractor', $container);
-        $container->getDefinition('property_info')->replaceArgument(3, $accessExtractors);
+        $definition->replaceArgument(3, $accessExtractors);
     }
 
     /**

src/Symfony/Bundle/FrameworkBundle/Resources/config/serializer.xml

@@ -55,5 +55,12 @@
 
         <!-- Name converter -->
         <service id="serializer.name_converter.camel_case_to_snake_case" class="Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter" public="false" />
+
+        <!-- PropertyInfo extractor -->
+        <service id="property_info.serializer_extractor" class="Symfony\Component\PropertyInfo\Extractor\SerializerExtractor" public="false">
+            <argument type="service" id="serializer.mapping.class_metadata_factory" />
+
+            <tag name="property_info.list_extractor" priority="-999" />
+        </service>
     </services>
 </container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Compiler/PropertyInfoPassTest.php

@@ -32,7 +32,8 @@ class PropertyInfoPassTest extends \PHPUnit_Framework_TestCase
 
         $container = $this->getMock('Symfony\Component\DependencyInjection\ContainerBuilder', array('findTaggedServiceIds'));
 
-        $container->expects($this->any())
+        $container
+            ->expects($this->any())
             ->method('findTaggedServiceIds')
             ->will($this->returnValue($services));
 
@@ -53,9 +54,11 @@ class PropertyInfoPassTest extends \PHPUnit_Framework_TestCase
     {
         $container = $this->getMock('Symfony\Component\DependencyInjection\ContainerBuilder', array('findTaggedServiceIds'));
 
-        $container->expects($this->any())
+        $container
+            ->expects($this->any())
             ->method('findTaggedServiceIds')
-            ->will($this->returnValue(array()));
+            ->will($this->returnValue(array()))
+        ;
 
         $propertyInfoPass = new PropertyInfoPass();
 

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -441,6 +441,18 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertEquals(new Reference('serializer.name_converter.camel_case_to_snake_case'), $container->getDefinition('serializer.normalizer.object')->getArgument(1));
     }
 
+    public function testRegisterSerializerExtractor()
+    {
+        $container = $this->createContainerFromFile('full');
+
+        $serializerExtractorDefinition = $container->getDefinition('property_info.serializer_extractor');
+
+        $this->assertEquals('serializer.mapping.class_metadata_factory', $serializerExtractorDefinition->getArgument(0)->__toString());
+        $this->assertFalse($serializerExtractorDefinition->isPublic());
+        $tag = $serializerExtractorDefinition->getTag('property_info.list_extractor');
+        $this->assertEquals(array('priority' => -999), $tag[0]);
+    }
+
     public function testAssetHelperWhenAssetsAreEnabled()
     {
         $container = $this->createContainerFromFile('full');