added config test and fix case with numeric log level

Author: Tobion

DependencyInjection/Configuration.php

@@ -158,7 +158,7 @@ public function getConfigTreeBuilder()
                                                      $verbosity
                                                 ));
                                             }
-                                            if (!is_int($level)) {
+                                            if (!is_numeric($level)) {
                                                 $levelConstant = 'Monolog\Logger::'.$level;
                                                 if (!defined($levelConstant)) {
                                                     throw new InvalidConfigurationException(sprintf(
@@ -167,6 +167,8 @@ public function getConfigTreeBuilder()
                                                     ));
                                                 }
                                                 $level = constant($levelConstant);
+                                            } else {
+                                                $level = (int) $level;
                                             }
 
                                             $map[constant($verbosityConstant)] = $level;

Tests/DependencyInjection/ConfigurationTest.php

@@ -11,8 +11,10 @@
 
 namespace Symfony\Bundle\MonologBundle\Tests\DependencyInjection;
 
+use Monolog\Logger;
 use Symfony\Bundle\MonologBundle\DependencyInjection\Configuration;
 use Symfony\Component\Config\Definition\Processor;
+use Symfony\Component\Console\Output\OutputInterface;
 
 class ConfigurationTest extends \PHPUnit_Framework_TestCase
 {
@@ -215,6 +217,34 @@ public function testWithSwiftMailerHandler()
         $this->assertEquals('mailer', $config['handlers']['swift']['mailer']);
     }
 
+    public function testWithConsoleHandler()
+    {
+        $configs = array(
+            array(
+                'handlers' => array(
+                    'console' => array(
+                        'type' => 'console',
+                        'verbosity_levels' => array(
+                            'VERBOSITY_NORMAL' => 'NOTICE',
+                            'verbosity_verbose' => 'info',
+                            'VERBOSITY_very_VERBOSE' => 150
+                        )
+                    )
+                )
+            )
+        );
+
+        $config = $this->process($configs);
+
+        $this->assertSame('console', $config['handlers']['console']['type']);
+        $this->assertSame(array(
+            OutputInterface::VERBOSITY_NORMAL => Logger::NOTICE,
+            OutputInterface::VERBOSITY_VERBOSE => Logger::INFO,
+            OutputInterface::VERBOSITY_VERY_VERBOSE => 150,
+            OutputInterface::VERBOSITY_DEBUG => Logger::DEBUG
+        ), $config['handlers']['console']['verbosity_levels']);
+    }
+
     public function testWithType()
     {
         $configs = array(