[DoctrineBundle] removed the possibility to define an empty configuration for the DBAL (which does not make sense in real-life)

src/Symfony/Bundle/DoctrineBundle/DependencyInjection/Configuration.php

@@ -58,11 +58,6 @@ class Configuration implements ConfigurationInterface
         $node
             ->children()
             ->arrayNode('dbal')
-                ->beforeNormalization()
-                    ->ifNull()
-                    // Define a default connection using the default values
-                    ->then(function($v) { return array ('connections' => array('default' => array())); })
-                ->end()
                 ->children()
                     ->scalarNode('default_connection')->end()
                 ->end()

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php

@@ -41,7 +41,7 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
         $container = $this->getContainer();
         $loader = new DoctrineExtension();
 
-        $loader->load(array(array('dbal' => array('connections' => array('default'=> array('password' => 'foo')))), array(), array('dbal' => array('default_connection' => 'foo')), array()), $container);
+        $loader->load(array(array('dbal' => array('connections' => array('default' => array('password' => 'foo')))), array(), array('dbal' => array('default_connection' => 'foo')), array()), $container);
 
         $arguments = $container->getDefinition('doctrine.dbal.default_connection')->getArguments();
         $config = $arguments[0];
@@ -109,7 +109,7 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
         $container = $this->getContainer();
         $loader = new DoctrineExtension();
 
-        $loader->load(array(array('dbal' => null, 'orm' => array('default_entity_manager' => 'default', 'entity_managers' => array('default' => array('mappings' => array('YamlBundle' => array())))))), $container);
+        $loader->load(array(array('dbal' => array('connections' => array('default' => array('password' => 'foo'))), 'orm' => array('default_entity_manager' => 'default', 'entity_managers' => array('default' => array('mappings' => array('YamlBundle' => array())))))), $container);
 
         $this->assertFalse($container->getParameter('doctrine.orm.auto_generate_proxy_classes'));
         $this->assertEquals('Doctrine\ORM\Configuration', $container->getParameter('doctrine.orm.configuration.class'));
@@ -140,7 +140,7 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
         );
 
         $container = $this->getContainer();
-        $loader->load(array(array('dbal' => null, 'orm' => $config)), $container);
+        $loader->load(array(array('dbal' => array('connections' => array('default' => array('password' => 'foo'))), 'orm' => $config)), $container);
         $this->compileContainer($container);
 
         $definition = $container->getDefinition('doctrine.dbal.default_connection');
@@ -189,7 +189,7 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
         $container = $this->getContainer();
         $loader = new DoctrineExtension();
 
-        $loader->load(array(array('dbal' => null, 'orm' => array('default_entity_manager' => 'default', 'entity_managers' => array('default' => array('mappings' => array('YamlBundle' => array())))))), $container);
+        $loader->load(array(array('dbal' => array('connections' => array('default' => array('password' => 'foo'))), 'orm' => array('default_entity_manager' => 'default', 'entity_managers' => array('default' => array('mappings' => array('YamlBundle' => array())))))), $container);
         $this->compileContainer($container);
 
         $definition = $container->getDefinition('doctrine.dbal.default_connection');
@@ -221,13 +221,14 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
 
         $this->assertDICConstructorArguments($definition, array(
             array(
+                'dbname' => 'db',
                 'host' => 'localhost',
-                'driver' => 'pdo_mysql',
+                'port' => null,
-                'driverOptions' => array(),
                 'user' => 'root',
                 'password' => null,
-                'port' => null,
+                'driver' => 'pdo_mysql',
                 'logging' => false,
+                'driverOptions' => array(),
             ),
             new Reference('doctrine.dbal.default_connection.configuration'),
             new Reference('doctrine.dbal.default_connection.event_manager')

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/xml/orm_service_simple_single_entity_manager.xml

@@ -7,7 +7,10 @@
                         http://symfony.com/schema/dic/doctrine http://symfony.com/schema/dic/doctrine/doctrine-1.0.xsd">
 
     <config>
-        <dbal />
+        <dbal default-connection="default">
+            <connection name="default" dbname="db" />
+        </dbal>
+
         <orm default-entity-manager="default">
             <entity-manager name="default">
                 <metadata-cache-driver type="memcache">

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/xml/orm_single_em_bundle_mappings.xml

@@ -7,6 +7,10 @@
                         http://symfony.com/schema/dic/doctrine http://symfony.com/schema/dic/doctrine/doctrine-1.0.xsd">
 
     <config>
+        <dbal default-connection="default">
+            <connection name="default" dbname="db" />
+        </dbal>
+
         <orm default-entity-manager="default">
             <entity-manager name="default">
                 <mapping name="AnnotationsBundle" />

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/yml/orm_service_simple_single_entity_manager.yml

@@ -1,5 +1,10 @@
 doctrine:
-    dbal: ~
+    dbal:
+        default_connection: default
+        connections:
+            default:
+                dbname: db
+
     orm:
         default_entity_manager: default
         entity_managers:

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/yml/orm_single_em_bundle_mappings.yml

@@ -1,4 +1,10 @@
 doctrine:
+    dbal:
+        default_connection: default
+        connections:
+            default:
+                dbname: db
+
     orm:
         default_entity_manager: default
         entity_managers: