InlineServiceDefinitionsPassTest.php

<?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 Symfony\Component\DependencyInjection\Scope;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
use Symfony\Component\DependencyInjection\Compiler\Compiler;
use Symfony\Component\DependencyInjection\Compiler\RepeatedPass;
use Symfony\Component\DependencyInjection\Compiler\InlineServiceDefinitionsPass;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\ContainerBuilder;
class InlineServiceDefinitionsPassTest extends \PHPUnit_Framework_TestCase {
  public function testProcess() {
    $container = new ContainerBuilder();
    $container
      ->register('inlinable.service')
      ->setPublic(false);
    $container
      ->register('service')
      ->setArguments(array(
      new Reference('inlinable.service'),
    ));
    $this
      ->process($container);
    $arguments = $container
      ->getDefinition('service')
      ->getArguments();
    $this
      ->assertInstanceOf('Symfony\\Component\\DependencyInjection\\Definition', $arguments[0]);
    $this
      ->assertSame($container
      ->getDefinition('inlinable.service'), $arguments[0]);
  }
  public function testProcessDoesNotInlineWhenAliasedServiceIsNotOfPrototypeScope() {
    $container = new ContainerBuilder();
    $container
      ->register('foo')
      ->setPublic(false);
    $container
      ->setAlias('moo', 'foo');
    $container
      ->register('service')
      ->setArguments(array(
      $ref = new Reference('foo'),
    ));
    $this
      ->process($container);
    $arguments = $container
      ->getDefinition('service')
      ->getArguments();
    $this
      ->assertSame($ref, $arguments[0]);
  }
  public function testProcessDoesInlineServiceOfPrototypeScope() {
    $container = new ContainerBuilder();
    $container
      ->register('foo')
      ->setScope('prototype');
    $container
      ->register('bar')
      ->setPublic(false)
      ->setScope('prototype');
    $container
      ->setAlias('moo', 'bar');
    $container
      ->register('service')
      ->setArguments(array(
      new Reference('foo'),
      $ref = new Reference('moo'),
      new Reference('bar'),
    ));
    $this
      ->process($container);
    $arguments = $container
      ->getDefinition('service')
      ->getArguments();
    $this
      ->assertEquals($container
      ->getDefinition('foo'), $arguments[0]);
    $this
      ->assertNotSame($container
      ->getDefinition('foo'), $arguments[0]);
    $this
      ->assertSame($ref, $arguments[1]);
    $this
      ->assertEquals($container
      ->getDefinition('bar'), $arguments[2]);
    $this
      ->assertNotSame($container
      ->getDefinition('bar'), $arguments[2]);
  }
  public function testProcessInlinesIfMultipleReferencesButAllFromTheSameDefinition() {
    $container = new ContainerBuilder();
    $a = $container
      ->register('a')
      ->setPublic(false);
    $b = $container
      ->register('b')
      ->addArgument(new Reference('a'))
      ->addArgument(new Definition(null, array(
      new Reference('a'),
    )));
    $this
      ->process($container);
    $arguments = $b
      ->getArguments();
    $this
      ->assertSame($a, $arguments[0]);
    $inlinedArguments = $arguments[1]
      ->getArguments();
    $this
      ->assertSame($a, $inlinedArguments[0]);
  }
  public function testProcessInlinesOnlyIfSameScope() {
    $container = new ContainerBuilder();
    $container
      ->addScope(new Scope('foo'));
    $a = $container
      ->register('a')
      ->setPublic(false)
      ->setScope('foo');
    $b = $container
      ->register('b')
      ->addArgument(new Reference('a'));
    $this
      ->process($container);
    $arguments = $b
      ->getArguments();
    $this
      ->assertEquals(new Reference('a'), $arguments[0]);
    $this
      ->assertTrue($container
      ->hasDefinition('a'));
  }
  protected function process(ContainerBuilder $container) {
    $repeatedPass = new RepeatedPass(array(
      new AnalyzeServiceReferencesPass(),
      new InlineServiceDefinitionsPass(),
    ));
    $repeatedPass
      ->process($container);
  }

}