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[HttpKernel] Added support for timings in ArgumentValueResolvers
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62 changes: 62 additions & 0 deletions
62
src/Symfony/Component/HttpKernel/Controller/ArgumentResolver/TraceableValueResolver.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\HttpKernel\Controller\ArgumentResolver; | ||
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use Symfony\Component\HttpFoundation\Request; | ||
use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface; | ||
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata; | ||
use Symfony\Component\Stopwatch\Stopwatch; | ||
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/** | ||
* Provides timing information via the stopwatch. | ||
* | ||
* @author Iltar van der Berg <kjarli@gmail.com> | ||
*/ | ||
final class TraceableValueResolver implements ArgumentValueResolverInterface | ||
{ | ||
private $inner; | ||
private $stopwatch; | ||
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public function __construct(ArgumentValueResolverInterface $inner, ?Stopwatch $stopwatch = null) | ||
{ | ||
$this->inner = $inner; | ||
$this->stopwatch = $stopwatch ?? new Stopwatch(); | ||
} | ||
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/** | ||
* {@inheritdoc} | ||
*/ | ||
public function supports(Request $request, ArgumentMetadata $argument): bool | ||
{ | ||
$method = \get_class($this->inner).'::'.__FUNCTION__; | ||
$this->stopwatch->start($method); | ||
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$return = $this->inner->supports($request, $argument); | ||
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$this->stopwatch->stop($method); | ||
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return $return; | ||
} | ||
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/** | ||
* {@inheritdoc} | ||
*/ | ||
public function resolve(Request $request, ArgumentMetadata $argument): iterable | ||
{ | ||
$method = \get_class($this->inner).'::'.__FUNCTION__; | ||
$this->stopwatch->start($method); | ||
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yield from $this->inner->resolve($request, $argument); | ||
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$this->stopwatch->stop($method); | ||
} | ||
} |
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...ony/Component/HttpKernel/Tests/Controller/ArgumentResolver/TraceableValueResolverTest.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\HttpKernel\Tests\Controller\ArgumentResolver; | ||
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use PHPUnit\Framework\TestCase; | ||
use Symfony\Component\HttpFoundation\Request; | ||
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\TraceableValueResolver; | ||
use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface; | ||
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata; | ||
use Symfony\Component\Stopwatch\Stopwatch; | ||
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class TraceableValueResolverTest extends TestCase | ||
{ | ||
public function testTimingsInSupports() | ||
{ | ||
$stopwatch = new Stopwatch(); | ||
$resolver = new TraceableValueResolver(new ResolverStub(), $stopwatch); | ||
$argument = new ArgumentMetadata('dummy', 'string', false, false, null); | ||
$request = new Request(); | ||
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$this->assertTrue($resolver->supports($request, $argument)); | ||
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$event = $stopwatch->getEvent(ResolverStub::class.'::supports'); | ||
$this->assertCount(1, $event->getPeriods()); | ||
} | ||
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public function testTimingsInResolve() | ||
{ | ||
$stopwatch = new Stopwatch(); | ||
$resolver = new TraceableValueResolver(new ResolverStub(), $stopwatch); | ||
$argument = new ArgumentMetadata('dummy', 'string', false, false, null); | ||
$request = new Request(); | ||
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$iterable = $resolver->resolve($request, $argument); | ||
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foreach ($iterable as $index => $resolved) { | ||
$event = $stopwatch->getEvent(ResolverStub::class.'::resolve'); | ||
$this->assertTrue($event->isStarted()); | ||
$this->assertEmpty($event->getPeriods()); | ||
switch ($index) { | ||
case 0: | ||
$this->assertEquals('first', $resolved); | ||
break; | ||
case 1: | ||
$this->assertEquals('second', $resolved); | ||
break; | ||
} | ||
} | ||
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$event = $stopwatch->getEvent(ResolverStub::class.'::resolve'); | ||
$this->assertCount(1, $event->getPeriods()); | ||
} | ||
} | ||
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class ResolverStub implements ArgumentValueResolverInterface | ||
{ | ||
public function supports(Request $request, ArgumentMetadata $argument) | ||
{ | ||
return true; | ||
} | ||
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public function resolve(Request $request, ArgumentMetadata $argument) | ||
{ | ||
yield 'first'; | ||
yield 'second'; | ||
} | ||
} |
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