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vendor/symfony/twig-bundle/Tests/DependencyInjection/Compiler/ExtensionPassTest.php

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+<?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\TwigBundle\Tests\DependencyInjection\Compiler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\ExtensionPass;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+
+class ExtensionPassTest extends TestCase
+{
+    public function testProcessDoesNotDropExistingFileLoaderMethodCalls()
+    {
+        $container = new ContainerBuilder();
+        $container->setParameter('kernel.debug', false);
+        $container->setParameter('kernel.root_dir', __DIR__);
+
+        $container->register('twig.app_variable', '\Symfony\Bridge\Twig\AppVariable');
+        $container->register('templating', '\Symfony\Bundle\TwigBundle\TwigEngine');
+        $container->register('twig.extension.yaml');
+        $container->register('twig.extension.debug.stopwatch');
+        $container->register('twig.extension.expression');
+
+        $nativeTwigLoader = new Definition('\Twig\Loader\FilesystemLoader');
+        $nativeTwigLoader->addMethodCall('addPath', array());
+        $container->setDefinition('twig.loader.native_filesystem', $nativeTwigLoader);
+
+        $filesystemLoader = new Definition('\Symfony\Bundle\TwigBundle\Loader\FilesystemLoader');
+        $filesystemLoader->setArguments(array(null, null, null));
+        $filesystemLoader->addMethodCall('addPath', array());
+        $container->setDefinition('twig.loader.filesystem', $filesystemLoader);
+
+        $extensionPass = new ExtensionPass();
+        $extensionPass->process($container);
+
+        $this->assertCount(2, $filesystemLoader->getMethodCalls());
+    }
+}

vendor/symfony/twig-bundle/Tests/DependencyInjection/Compiler/TwigLoaderPassTest.php

@@ -0,0 +1,151 @@
+<?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\TwigBundle\Tests\DependencyInjection\Compiler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\TwigLoaderPass;
+
+class TwigLoaderPassTest extends TestCase
+{
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $builder;
+    /**
+     * @var Definition
+     */
+    private $chainLoader;
+    /**
+     * @var TwigLoaderPass
+     */
+    private $pass;
+
+    protected function setUp()
+    {
+        $this->builder = $this->getMockBuilder('Symfony\Component\DependencyInjection\ContainerBuilder')->setMethods(array('hasDefinition', 'findTaggedServiceIds', 'setAlias', 'getDefinition'))->getMock();
+        $this->chainLoader = new Definition('loader');
+        $this->pass = new TwigLoaderPass();
+    }
+
+    public function testMapperPassWithOneTaggedLoaders()
+    {
+        $serviceIds = array(
+            'test_loader_1' => array(
+                array(),
+            ),
+        );
+
+        $this->builder->expects($this->once())
+            ->method('hasDefinition')
+            ->with('twig')
+            ->will($this->returnValue(true));
+        $this->builder->expects($this->once())
+            ->method('findTaggedServiceIds')
+            ->with('twig.loader')
+            ->will($this->returnValue($serviceIds));
+        $this->builder->expects($this->once())
+            ->method('setAlias')
+            ->with('twig.loader', 'test_loader_1');
+
+        $this->pass->process($this->builder);
+    }
+
+    public function testMapperPassWithTwoTaggedLoaders()
+    {
+        $serviceIds = array(
+            'test_loader_1' => array(
+                array(),
+            ),
+            'test_loader_2' => array(
+                array(),
+            ),
+        );
+
+        $this->builder->expects($this->once())
+            ->method('hasDefinition')
+            ->with('twig')
+            ->will($this->returnValue(true));
+        $this->builder->expects($this->once())
+            ->method('findTaggedServiceIds')
+            ->with('twig.loader')
+            ->will($this->returnValue($serviceIds));
+        $this->builder->expects($this->once())
+            ->method('getDefinition')
+            ->with('twig.loader.chain')
+            ->will($this->returnValue($this->chainLoader));
+        $this->builder->expects($this->once())
+            ->method('setAlias')
+            ->with('twig.loader', 'twig.loader.chain');
+
+        $this->pass->process($this->builder);
+        $calls = $this->chainLoader->getMethodCalls();
+        $this->assertCount(2, $calls);
+        $this->assertEquals('addLoader', $calls[0][0]);
+        $this->assertEquals('addLoader', $calls[1][0]);
+        $this->assertEquals('test_loader_1', (string) $calls[0][1][0]);
+        $this->assertEquals('test_loader_2', (string) $calls[1][1][0]);
+    }
+
+    public function testMapperPassWithTwoTaggedLoadersWithPriority()
+    {
+        $serviceIds = array(
+            'test_loader_1' => array(
+                array('priority' => 100),
+            ),
+            'test_loader_2' => array(
+                array('priority' => 200),
+            ),
+        );
+
+        $this->builder->expects($this->once())
+            ->method('hasDefinition')
+            ->with('twig')
+            ->will($this->returnValue(true));
+        $this->builder->expects($this->once())
+            ->method('findTaggedServiceIds')
+            ->with('twig.loader')
+            ->will($this->returnValue($serviceIds));
+        $this->builder->expects($this->once())
+            ->method('getDefinition')
+            ->with('twig.loader.chain')
+            ->will($this->returnValue($this->chainLoader));
+        $this->builder->expects($this->once())
+            ->method('setAlias')
+            ->with('twig.loader', 'twig.loader.chain');
+
+        $this->pass->process($this->builder);
+        $calls = $this->chainLoader->getMethodCalls();
+        $this->assertCount(2, $calls);
+        $this->assertEquals('addLoader', $calls[0][0]);
+        $this->assertEquals('addLoader', $calls[1][0]);
+        $this->assertEquals('test_loader_2', (string) $calls[0][1][0]);
+        $this->assertEquals('test_loader_1', (string) $calls[1][1][0]);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\LogicException
+     */
+    public function testMapperPassWithZeroTaggedLoaders()
+    {
+        $this->builder->expects($this->once())
+            ->method('hasDefinition')
+            ->with('twig')
+            ->will($this->returnValue(true));
+        $this->builder->expects($this->once())
+            ->method('findTaggedServiceIds')
+            ->with('twig.loader')
+            ->will($this->returnValue(array()));
+
+        $this->pass->process($this->builder);
+    }
+}