N°2651 rollback gitignore for lib tests dirs

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

lib/symfony/dependency-injection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php

@@ -0,0 +1,69 @@
+<?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\DependencyInjection\Tests\Compiler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\Compiler\ReplaceAliasByActualDefinitionPass;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+
+require_once __DIR__.'/../Fixtures/includes/foo.php';
+
+class ReplaceAliasByActualDefinitionPassTest extends TestCase
+{
+    public function testProcess()
+    {
+        $container = new ContainerBuilder();
+
+        $aDefinition = $container->register('a', '\stdClass');
+        $aDefinition->setFactory([new Reference('b'), 'createA']);
+
+        $bDefinition = new Definition('\stdClass');
+        $bDefinition->setPublic(false);
+        $container->setDefinition('b', $bDefinition);
+
+        $container->setAlias('a_alias', 'a');
+        $container->setAlias('b_alias', 'b');
+
+        $container->setAlias('container', 'service_container');
+
+        $this->process($container);
+
+        $this->assertTrue($container->has('a'), '->process() does nothing to public definitions.');
+        $this->assertTrue($container->hasAlias('a_alias'));
+        $this->assertFalse($container->has('b'), '->process() removes non-public definitions.');
+        $this->assertTrue(
+            $container->has('b_alias') && !$container->hasAlias('b_alias'),
+            '->process() replaces alias to actual.'
+        );
+
+        $this->assertTrue($container->has('container'));
+
+        $resolvedFactory = $aDefinition->getFactory();
+        $this->assertSame('b_alias', (string) $resolvedFactory[0]);
+    }
+
+    public function testProcessWithInvalidAlias()
+    {
+        $this->expectException('InvalidArgumentException');
+        $container = new ContainerBuilder();
+        $container->setAlias('a_alias', 'a');
+        $this->process($container);
+    }
+
+    protected function process(ContainerBuilder $container)
+    {
+        $pass = new ReplaceAliasByActualDefinitionPass();
+        $pass->process($container);
+    }
+}