Move creation of custom styles to the factory

src/Composer/Console/Application.php

@@ -18,7 +18,6 @@ use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Output\ConsoleOutput;
 use Symfony\Component\Console\Formatter\OutputFormatter;
-use Symfony\Component\Console\Formatter\OutputFormatterStyle;
 use Composer\Command;
 use Composer\Command\Helper\DialogHelper;
 use Composer\Composer;
@@ -63,8 +62,7 @@ class Application extends BaseApplication
     public function run(InputInterface $input = null, OutputInterface $output = null)
     {
         if (null === $output) {
-            $styles['highlight'] = new OutputFormatterStyle('red');
+            $styles = Factory::createAdditionalStyles();
-            $styles['warning'] = new OutputFormatterStyle('black', 'yellow');
             $formatter = new OutputFormatter(null, $styles);
             $output = new ConsoleOutput(ConsoleOutput::VERBOSITY_NORMAL, null, $formatter);
         }

src/Composer/Factory.php

@@ -19,6 +19,7 @@ use Composer\Repository\ComposerRepository;
 use Composer\Repository\RepositoryManager;
 use Composer\Util\ProcessExecutor;
 use Composer\Util\RemoteFilesystem;
+use Symfony\Component\Console\Formatter\OutputFormatterStyle;
 
 /**
  * Creates a configured instance of composer.
@@ -70,6 +71,14 @@ class Factory
         return getenv('COMPOSER') ?: 'composer.json';
     }
 
+    public static function createAdditionalStyles()
+    {
+        return array(
+            'highlight' => new OutputFormatterStyle('red'),
+            'warning' => new OutputFormatterStyle('black', 'yellow'),
+        );
+    }
+
     public static function createDefaultRepositories(IOInterface $io = null, Config $config = null, RepositoryManager $rm = null)
     {
         $repos = array();