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41 changes: 41 additions & 0 deletions
41
src/Symfony/Component/DependencyInjection/Compiler/AutoAliasServicePass.php
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<?php | ||
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/* | ||
* 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. | ||
*/ | ||
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namespace Symfony\Component\DependencyInjection\Compiler; | ||
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use Symfony\Component\DependencyInjection\Alias; | ||
use Symfony\Component\DependencyInjection\ContainerBuilder; | ||
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; | ||
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/** | ||
* Sets a service to be an alias of another one, given a format pattern. | ||
*/ | ||
class AutoAliasServicePass implements CompilerPassInterface | ||
{ | ||
/** | ||
* {@inheritdoc} | ||
*/ | ||
public function process(ContainerBuilder $container) | ||
{ | ||
foreach ($container->findTaggedServiceIds('auto_alias') as $serviceId => $tags) { | ||
foreach ($tags as $tag) { | ||
if (!isset($tag['format'])) { | ||
throw new InvalidArgumentException(sprintf('Missing tag information "format" on auto_alias service "%s".', $serviceId)); | ||
} | ||
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$aliasId = $container->getParameterBag()->resolveValue($tag['format']); | ||
if ($container->hasDefinition($aliasId) || $container->hasAlias($aliasId)) { | ||
$container->setAlias($serviceId, new Alias($aliasId)); | ||
} | ||
} | ||
} | ||
} | ||
} |
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103
src/Symfony/Component/DependencyInjection/Tests/Compiler/AutoAliasServicePassTest.php
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<?php | ||
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namespace Symfony\Component\DependencyInjection\Tests\Compiler; | ||
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use Symfony\Component\DependencyInjection\Compiler\AutoAliasServicePass; | ||
use Symfony\Component\DependencyInjection\ContainerBuilder; | ||
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class AutoAliasServicePassTest extends \PHPUnit_Framework_TestCase | ||
{ | ||
/** | ||
* @expectedException \Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException | ||
*/ | ||
public function testProcessWithMissingParameter() | ||
{ | ||
$container = new ContainerBuilder(); | ||
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$container->register('example') | ||
->addTag('auto_alias', array('format' => '%non_existing%.example')); | ||
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$pass = new AutoAliasServicePass(); | ||
$pass->process($container); | ||
} | ||
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/** | ||
* @expectedException \Symfony\Component\DependencyInjection\Exception\InvalidArgumentException | ||
*/ | ||
public function testProcessWithMissingFormat() | ||
{ | ||
$container = new ContainerBuilder(); | ||
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$container->register('example') | ||
->addTag('auto_alias', array()); | ||
$container->setParameter('existing', 'mysql'); | ||
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$pass = new AutoAliasServicePass(); | ||
$pass->process($container); | ||
} | ||
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public function testProcessWithNonExistingAlias() | ||
{ | ||
$container = new ContainerBuilder(); | ||
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$container->register('example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassDefault') | ||
->addTag('auto_alias', array('format' => '%existing%.example')); | ||
$container->setParameter('existing', 'mysql'); | ||
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$pass = new AutoAliasServicePass(); | ||
$pass->process($container); | ||
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$this->assertEquals('Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassDefault', $container->getDefinition('example')->getClass()); | ||
$this->assertInstanceOf('Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassDefault', $container->get('example')); | ||
} | ||
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public function testProcessWithExistingAlias() | ||
{ | ||
$container = new ContainerBuilder(); | ||
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$container->register('example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassDefault') | ||
->addTag('auto_alias', array('format' => '%existing%.example')); | ||
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$container->register('mysql.example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassMysql'); | ||
$container->setParameter('existing', 'mysql'); | ||
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$pass = new AutoAliasServicePass(); | ||
$pass->process($container); | ||
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$this->assertTrue($container->hasAlias('example')); | ||
$this->assertEquals('mysql.example', $container->getAlias('example')); | ||
$this->assertInstanceOf('Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassMysql', $container->get('example')); | ||
} | ||
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public function testProcessWithManualAlias() | ||
{ | ||
$container = new ContainerBuilder(); | ||
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$container->register('example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassDefault') | ||
->addTag('auto_alias', array('format' => '%existing%.example')); | ||
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$container->register('mysql.example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassMysql'); | ||
$container->register('mariadb.example', 'Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassMariadb'); | ||
$container->setAlias('example', 'mariadb.example'); | ||
$container->setParameter('existing', 'mysql'); | ||
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$pass = new AutoAliasServicePass(); | ||
$pass->process($container); | ||
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$this->assertTrue($container->hasAlias('example')); | ||
$this->assertEquals('mariadb.example', $container->getAlias('example')); | ||
$this->assertInstanceOf('Symfony\Component\DependencyInjection\Tests\Compiler\ServiceClassMariaDb', $container->get('example')); | ||
} | ||
} | ||
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class ServiceClassDefault | ||
{ | ||
} | ||
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class ServiceClassMysql extends ServiceClassDefault | ||
{ | ||
} | ||
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class ServiceClassMariaDb extends ServiceClassMysql | ||
{ | ||
} |