[DI] Auto register extension configuration classes as a resource

Author: ro0NL

src/Symfony/Component/DependencyInjection/Compiler/MergeExtensionConfigurationPass.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\DependencyInjection\Compiler;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\ConfigurationExtensionInterface;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 
 /**
@@ -47,6 +48,9 @@ public function process(ContainerBuilder $container)
  $tmpContainer = new ContainerBuilder($container->getParameterBag());
  $tmpContainer->setResourceTracking($container->isTrackingResources());
  $tmpContainer->addObjectResource($extension);
+ if ($extension instanceof ConfigurationExtensionInterface && null !== $configuration = $extension->getConfiguration($config, $tmpContainer)) {
+ $tmpContainer->addObjectResource($configuration);
+ }
 
  foreach ($exprLangProviders as $provider) {
  $tmpContainer->addExpressionLanguageProvider($provider);

src/Symfony/Component/DependencyInjection/Tests/Compiler/MergeExtensionConfigurationPassTest.php

@@ -11,6 +11,9 @@
 
 namespace Symfony\Component\DependencyInjection\Tests\Compiler;
 
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
@@ -48,4 +51,32 @@ public function testExpressionLanguageProviderForwarding()
 
  $this->assertEquals(array($provider), $tmpProviders);
  }
+
+ public function testExtensionConfigurationIsTrackedByDefault()
+ {
+ $extension = $this->getMockBuilder('Symfony\\Component\\DependencyInjection\\Extension\\Extension')->getMock();
+ $extension->expects($this->once())
+ ->method('getConfiguration')
+ ->will($this->returnValue(new FooConfiguration()));
+ $extension->expects($this->any())
+ ->method('getAlias')
+ ->will($this->returnValue('foo'));
+
+ $container = new ContainerBuilder(new ParameterBag());
+ $container->registerExtension($extension);
+ $container->prependExtensionConfig('foo', array('bar' => true));
+
+ $pass = new MergeExtensionConfigurationPass();
+ $pass->process($container);
+
+ $this->assertContains(new FileResource(__FILE__), $container->getResources(), '', false, false);
+ }
+}
+
+class FooConfiguration implements ConfigurationInterface
+{
+ public function getConfigTreeBuilder()
+ {
+ return new TreeBuilder();
+ }
 }