[DependencyInjection] Tests + refacto for "instanceof" definitions

src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php

@@ -283,6 +283,21 @@ private function parseDefaults(array &$content, $file)
         return $defaults;
     }
 
+    private function isUnderscoredParamValid($content, $name, $file)
+    {
+        if (!isset($content['services'][$name])) {
+            return false;
+        }
+
+        if (!is_array($underscoreParam = $content['services'][$name])) {
+            throw new InvalidArgumentException(sprintf('Service "%s" key must be an array, "%s" given in "%s".', $name, gettype($underscoreParam), $file));
+        }
+
+        // @deprecated condition, to be removed in 4.0
+
+        return !isset($underscoreParam['alias']) && !isset($underscoreParam['class']) && !isset($underscoreParam['factory']);
+    }
+
     /**
      * @param array $service
      *

src/Symfony/Component/DependencyInjection/Tests/Compiler/PassConfigTest.php

@@ -22,6 +22,7 @@ class PassConfigTest extends \PHPUnit_Framework_TestCase
     public function testPassOrdering()
     {
         $config = new PassConfig();
+        $config->setBeforeOptimizationPasses(array());
 
         $pass1 = $this->getMockBuilder(CompilerPassInterface::class)->getMock();
         $config->addPass($pass1, PassConfig::TYPE_BEFORE_OPTIMIZATION, 10);
@@ -30,7 +31,7 @@ public function testPassOrdering()
         $config->addPass($pass2, PassConfig::TYPE_BEFORE_OPTIMIZATION, 30);
 
         $passes = $config->getBeforeOptimizationPasses();
-        $this->assertSame($pass2, $passes[1]);
-        $this->assertSame($pass1, $passes[2]);
+        $this->assertSame($pass2, $passes[0]);
+        $this->assertSame($pass1, $passes[1]);
     }
 }

src/Symfony/Component/DependencyInjection/Tests/Fixtures/xml/services_instanceof.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<container xmlns="http://symfony.com/schema/dic/services" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+    <services>
+        <instanceof id="Symfony\Component\DependencyInjection\Tests\Loader\BarInterface" lazy="true">
+            <autowire>set*</autowire>
+            <tag name="foo" />
+            <tag name="bar" />
+        </instanceof>
+
+        <service id="Symfony\Component\DependencyInjection\Tests\Loader\Bar" class="Symfony\Component\DependencyInjection\Tests\Loader\Bar" autowire="true" />
+    </services>
+</container>

src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services_instanceof.yml

@@ -0,0 +1,10 @@
+services:
+    _instanceof:
+        Symfony\Component\DependencyInjection\Tests\Loader\FooInterface:
+            autowire: true
+            lazy: true
+            tags:
+                - { name: foo }
+                - { name: bar }
+
+    Symfony\Component\DependencyInjection\Tests\Loader\Foo: ~

src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php

@@ -719,4 +719,25 @@ public function testNamedArguments()
         $this->assertEquals(array(null, 'ABCD'), $container->getDefinition(NamedArgumentsDummy::class)->getArguments());
         $this->assertEquals(array(array('setApiKey', array('123'))), $container->getDefinition(NamedArgumentsDummy::class)->getMethodCalls());
     }
+
+    public function testInstanceof()
+    {
+        $container = new ContainerBuilder();
+        $loader = new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml'));
+        $loader->load('services_instanceof.xml');
+        $container->compile();
+
+        $definition = $container->getDefinition(Bar::class);
+        $this->assertSame(array('__construct', 'set*'), $definition->getAutowiredCalls());
+        $this->assertTrue($definition->isLazy());
+        $this->assertSame(array('foo' => array(array()), 'bar' => array(array())), $definition->getTags());
+    }
+}
+
+interface BarInterface
+{
+}
+
+class Bar implements BarInterface
+{
 }

src/Symfony/Component/DependencyInjection/Tests/Loader/YamlFileLoaderTest.php

@@ -469,6 +469,19 @@ public function testNamedArguments()
         $this->assertEquals(array(array('setApiKey', array('123'))), $container->getDefinition('another_one')->getMethodCalls());
     }
 
+    public function testInstanceof()
+    {
+        $container = new ContainerBuilder();
+        $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
+        $loader->load('services_instanceof.yml');
+        $container->compile();
+
+        $definition = $container->getDefinition(Foo::class);
+        $this->assertTrue($definition->isAutowired());
+        $this->assertTrue($definition->isLazy());
+        $this->assertSame(array('foo' => array(array()), 'bar' => array(array())), $definition->getTags());
+    }
+
     /**
      * @expectedException \Symfony\Component\DependencyInjection\Exception\InvalidArgumentException
      * @expectedExceptionMessage The value of the "decorates" option for the "bar" service must be the id of the service without the "@" prefix (replace "@foo" with "foo").
@@ -500,3 +513,11 @@ public function testUnderscoreServiceId()
         $loader->load('services_underscore.yml');
     }
 }
+
+interface FooInterface
+{
+}
+
+class Foo implements FooInterface
+{
+}