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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\Component\Translation\Tests;
use Symfony\Component\Config\Resource\SelfCheckingResourceInterface;
use Symfony\Component\Translation\Loader\ArrayLoader;
use Symfony\Component\Translation\Loader\LoaderInterface;
use Symfony\Component\Translation\Translator;
use Symfony\Component\Translation\MessageCatalogue;
class TranslatorCacheTest extends \PHPUnit_Framework_TestCase
{
protected $tmpDir;
protected function setUp()
{
$this->tmpDir = sys_get_temp_dir().'/sf2_translation';
$this->deleteTmpDir();
}
protected function tearDown()
{
$this->deleteTmpDir();
}
protected function deleteTmpDir()
{
if (!file_exists($dir = $this->tmpDir)) {
return;
}
$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->tmpDir), \RecursiveIteratorIterator::CHILD_FIRST);
foreach ($iterator as $path) {
if (preg_match('#[/\\\\]\.\.?$#', $path->__toString())) {
continue;
}
if ($path->isDir()) {
rmdir($path->__toString());
} else {
unlink($path->__toString());
}
}
rmdir($this->tmpDir);
}
/**
* @dataProvider runForDebugAndProduction
*/
public function testThatACacheIsUsed($debug)
{
$locale = 'any_locale';
$format = 'some_format';
$msgid = 'test';
// Prime the cache
$translator = new Translator($locale, null, $this->tmpDir, $debug);
$translator->addLoader($format, new ArrayLoader());
$translator->addResource($format, array($msgid => 'OK'), $locale);
$translator->trans($msgid);
// Try again and see we get a valid result whilst no loader can be used
$translator = new Translator($locale, null, $this->tmpDir, $debug);
$translator->addLoader($format, $this->createFailingLoader());
$translator->addResource($format, array($msgid => 'OK'), $locale);
$this->assertEquals('OK', $translator->trans($msgid), '-> caching does not work in '.($debug ? 'debug' : 'production'));
}
public function testCatalogueIsReloadedWhenResourcesAreNoLongerFresh()
{
/*
* The testThatACacheIsUsed() test showed that we don't need the loader as long as the cache
* is fresh.
*
* Now we add a Resource that is never fresh and make sure that the
* cache is discarded (the loader is called twice).
*
* We need to run this for debug=true only because in production the cache
* will never be revalidated.
*/
$locale = 'any_locale';
$format = 'some_format';
$msgid = 'test';
$catalogue = new MessageCatalogue($locale, array());
$catalogue->addResource(new StaleResource()); // better use a helper class than a mock, because it gets serialized in the cache and re-loaded
/** @var LoaderInterface|\PHPUnit_Framework_MockObject_MockObject $loader */
$loader = $this->getMock('Symfony\Component\Translation\Loader\LoaderInterface');
$loader
->expects($this->exactly(2))
->method('load')
->will($this->returnValue($catalogue))
;
// 1st pass
$translator = new Translator($locale, null, $this->tmpDir, true);
$translator->addLoader($format, $loader);
$translator->addResource($format, null, $locale);
$translator->trans($msgid);
// 2nd pass
$translator = new Translator($locale, null, $this->tmpDir, true);
$translator->addLoader($format, $loader);
$translator->addResource($format, null, $locale);
$translator->trans($msgid);
}
/**
* @dataProvider runForDebugAndProduction
*/
public function testDifferentTranslatorsForSameLocaleDoNotOverwriteEachOthersCache($debug)
{
/*
* Similar to the previous test. After we used the second translator, make
* sure there's still a useable cache for the first one.
*/
$locale = 'any_locale';
$format = 'some_format';
$msgid = 'test';
// Create a Translator and prime its cache
$translator = new Translator($locale, null, $this->tmpDir, $debug);
$translator->addLoader($format, new ArrayLoader());
$translator->addResource($format, array($msgid => 'OK'), $locale);
$translator->trans($msgid);
// Create another Translator with a different catalogue for the same locale
$translator = new Translator($locale, null, $this->tmpDir, $debug);
$translator->addLoader($format, new ArrayLoader());
$translator->addResource($format, array($msgid => 'FAIL'), $locale);
$translator->trans($msgid);
// Now the first translator must still have a useable cache.
$translator = new Translator($locale, null, $this->tmpDir, $debug);
$translator->addLoader($format, $this->createFailingLoader());
$translator->addResource($format, array($msgid => 'OK'), $locale);
$this->assertEquals('OK', $translator->trans($msgid), '-> the cache was overwritten by another translator instance in '.($debug ? 'debug' : 'production'));
}
public function testDifferentCacheFilesAreUsedForDifferentSetsOfFallbackLocales()
{
/*
* Because the cache file contains a catalogue including all of its fallback
* catalogues, we must take the set of fallback locales into consideration when
* loading a catalogue from the cache.
*/
$translator = new Translator('a', null, $this->tmpDir);
$translator->setFallbackLocales(array('b'));
$translator->addLoader('array', new ArrayLoader());
$translator->addResource('array', array('foo' => 'foo (a)'), 'a');
$translator->addResource('array', array('bar' => 'bar (b)'), 'b');
$this->assertEquals('bar (b)', $translator->trans('bar'));
// Remove fallback locale
$translator->setFallbackLocales(array());
$this->assertEquals('bar', $translator->trans('bar'));
// Use a fresh translator with no fallback locales, result should be the same
$translator = new Translator('a', null, $this->tmpDir);
$translator->addLoader('array', new ArrayLoader());
$translator->addResource('array', array('foo' => 'foo (a)'), 'a');
$translator->addResource('array', array('bar' => 'bar (b)'), 'b');
$this->assertEquals('bar', $translator->trans('bar'));
}
public function testPrimaryAndFallbackCataloguesContainTheSameMessagesRegardlessOfCaching()
{
/*
* As a safeguard against potential BC breaks, make sure that primary and fallback
* catalogues (reachable via getFallbackCatalogue()) always contain the full set of
* messages provided by the loader. This must also be the case when these catalogues
* are (internally) read from a cache.
*
* Optimizations inside the translator must not change this behaviour.
*/
/*
* Create a translator that loads two catalogues for two different locales.
* The catalogues contain distinct sets of messages.
*/
$translator = new Translator('a', null, $this->tmpDir);
$translator->setFallbackLocales(array('b'));
$translator->addLoader('array', new ArrayLoader());
$translator->addResource('array', array('foo' => 'foo (a)'), 'a');
$translator->addResource('array', array('foo' => 'foo (b)'), 'b');
$translator->addResource('array', array('bar' => 'bar (b)'), 'b');
$catalogue = $translator->getCatalogue('a');
$this->assertFalse($catalogue->defines('bar')); // Sure, the "a" catalogue does not contain that message.
$fallback = $catalogue->getFallbackCatalogue();
$this->assertTrue($fallback->defines('foo')); // "foo" is present in "a" and "b"
/*
* Now, repeat the same test.
* Behind the scenes, the cache is used. But that should not matter, right?
*/
$translator = new Translator('a', null, $this->tmpDir);
$translator->setFallbackLocales(array('b'));
$translator->addLoader('array', new ArrayLoader());
$translator->addResource('array', array('foo' => 'foo (a)'), 'a');
$translator->addResource('array', array('foo' => 'foo (b)'), 'b');
$translator->addResource('array', array('bar' => 'bar (b)'), 'b');
$catalogue = $translator->getCatalogue('a');
$this->assertFalse($catalogue->defines('bar'));
$fallback = $catalogue->getFallbackCatalogue();
$this->assertTrue($fallback->defines('foo'));
}
public function testRefreshCacheWhenResourcesAreNoLongerFresh()
{
$resource = $this->getMock('Symfony\Component\Config\Resource\SelfCheckingResourceInterface');
$loader = $this->getMock('Symfony\Component\Translation\Loader\LoaderInterface');
$resource->method('isFresh')->will($this->returnValue(false));
$loader
->expects($this->exactly(2))
->method('load')
->will($this->returnValue($this->getCatalogue('fr', array(), array($resource))));
// prime the cache
$translator = new Translator('fr', null, $this->tmpDir, true);
$translator->addLoader('loader', $loader);
$translator->addResource('loader', 'foo', 'fr');
$translator->trans('foo');
// prime the cache second time
$translator = new Translator('fr', null, $this->tmpDir, true);
$translator->addLoader('loader', $loader);
$translator->addResource('loader', 'foo', 'fr');
$translator->trans('foo');
}
protected function getCatalogue($locale, $messages, $resources = array())
{
$catalogue = new MessageCatalogue($locale);
foreach ($messages as $key => $translation) {
$catalogue->set($key, $translation);
}
foreach ($resources as $resource) {
$catalogue->addResource($resource);
}
return $catalogue;
}
public function runForDebugAndProduction()
{
return array(array(true), array(false));
}
/**
* @return LoaderInterface
*/
private function createFailingLoader()
{
$loader = $this->getMock('Symfony\Component\Translation\Loader\LoaderInterface');
$loader
->expects($this->never())
->method('load');
return $loader;
}
}
class StaleResource implements SelfCheckingResourceInterface
{
public function isFresh($timestamp)
{
return false;
}
public function getResource()
{
}
public function __toString()
{
return '';
}
}