--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\DependencyInjection;
+
+use PHPUnit\Framework\TestCase;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\DependencyInjection\LoggerPass;
+use Symfony\Component\HttpKernel\Log\Logger;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class LoggerPassTest extends TestCase
+{
+ public function testAlwaysSetAutowiringAlias()
+ {
+ $container = new ContainerBuilder();
+ $container->register('logger', 'Foo');
+
+ (new LoggerPass())->process($container);
+
+ $this->assertFalse($container->getAlias(LoggerInterface::class)->isPublic());
+ }
+
+ public function testDoNotOverrideExistingLogger()
+ {
+ $container = new ContainerBuilder();
+ $container->register('logger', 'Foo');
+
+ (new LoggerPass())->process($container);
+
+ $this->assertSame('Foo', $container->getDefinition('logger')->getClass());
+ }
+
+ public function testRegisterLogger()
+ {
+ $container = new ContainerBuilder();
+ $container->setParameter('kernel.debug', false);
+
+ (new LoggerPass())->process($container);
+
+ $definition = $container->getDefinition('logger');
+ $this->assertSame(Logger::class, $definition->getClass());
+ $this->assertFalse($definition->isPublic());
+ }
+}