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