N°2651 rollback gitignore for lib tests dirs

Too dangerous ! We'll work properly on this but for 2.8

lib/symfony/framework-bundle/Tests/DependencyInjection/Compiler/SerializerPassTest.php

@@ -0,0 +1,73 @@
+<?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\Bundle\FrameworkBundle\Tests\DependencyInjection\Compiler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\SerializerPass;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Tests for the SerializerPass class.
+ *
+ * @group legacy
+ *
+ * @author Javier Lopez <f12loalf@gmail.com>
+ */
+class SerializerPassTest extends TestCase
+{
+    public function testThrowExceptionWhenNoNormalizers()
+    {
+        $this->expectException('RuntimeException');
+        $this->expectExceptionMessage('You must tag at least one service as "serializer.normalizer" to use the "serializer" service');
+        $container = new ContainerBuilder();
+        $container->register('serializer');
+
+        $serializerPass = new SerializerPass();
+        $serializerPass->process($container);
+    }
+
+    public function testThrowExceptionWhenNoEncoders()
+    {
+        $this->expectException('RuntimeException');
+        $this->expectExceptionMessage('You must tag at least one service as "serializer.encoder" to use the "serializer" service');
+        $container = new ContainerBuilder();
+        $container->register('serializer')
+            ->addArgument([])
+            ->addArgument([]);
+        $container->register('normalizer')->addTag('serializer.normalizer');
+
+        $serializerPass = new SerializerPass();
+        $serializerPass->process($container);
+    }
+
+    public function testServicesAreOrderedAccordingToPriority()
+    {
+        $container = new ContainerBuilder();
+
+        $definition = $container->register('serializer')->setArguments([null, null]);
+        $container->register('n2')->addTag('serializer.normalizer', ['priority' => 100])->addTag('serializer.encoder', ['priority' => 100]);
+        $container->register('n1')->addTag('serializer.normalizer', ['priority' => 200])->addTag('serializer.encoder', ['priority' => 200]);
+        $container->register('n3')->addTag('serializer.normalizer')->addTag('serializer.encoder');
+
+        $serializerPass = new SerializerPass();
+        $serializerPass->process($container);
+
+        $expected = [
+            new Reference('n1'),
+            new Reference('n2'),
+            new Reference('n3'),
+        ];
+        $this->assertEquals($expected, $definition->getArgument(0));
+        $this->assertEquals($expected, $definition->getArgument(1));
+    }
+}