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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2010 Fabien Potencier
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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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/**
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* Integration test helper.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Karma Dordrak <drak@zikula.org>
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*/
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abstract class Twig_Test_IntegrationTestCase extends PHPUnit_Framework_TestCase
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{
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/**
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* @return string
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*/
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abstract protected function getFixturesDir();
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/**
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* @return Twig_ExtensionInterface[]
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*/
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protected function getExtensions()
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{
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return array();
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}
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/**
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* @return Twig_SimpleFilter[]
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*/
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protected function getTwigFilters()
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{
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return array();
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}
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/**
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* @return Twig_SimpleFunction[]
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*/
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protected function getTwigFunctions()
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{
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return array();
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}
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/**
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* @return Twig_SimpleTest[]
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*/
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protected function getTwigTests()
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{
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return array();
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}
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/**
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* @dataProvider getTests
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*/
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public function testIntegration($file, $message, $condition, $templates, $exception, $outputs)
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{
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$this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
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}
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/**
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* @dataProvider getLegacyTests
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* @group legacy
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*/
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public function testLegacyIntegration($file, $message, $condition, $templates, $exception, $outputs)
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{
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$this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
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}
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public function getTests($name, $legacyTests = false)
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{
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$fixturesDir = realpath($this->getFixturesDir());
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$tests = array();
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($fixturesDir), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
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if (!preg_match('/\.test$/', $file)) {
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continue;
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}
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if ($legacyTests xor false !== strpos($file->getRealpath(), '.legacy.test')) {
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continue;
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}
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$test = file_get_contents($file->getRealpath());
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if (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)\s*(?:--DATA--\s*(.*))?\s*--EXCEPTION--\s*(.*)/sx', $test, $match)) {
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$message = $match[1];
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$condition = $match[2];
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$templates = self::parseTemplates($match[3]);
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$exception = $match[5];
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$outputs = array(array(null, $match[4], null, ''));
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} elseif (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)--DATA--.*?--EXPECT--.*/s', $test, $match)) {
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$message = $match[1];
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$condition = $match[2];
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$templates = self::parseTemplates($match[3]);
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$exception = false;
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preg_match_all('/--DATA--(.*?)(?:--CONFIG--(.*?))?--EXPECT--(.*?)(?=\-\-DATA\-\-|$)/s', $test, $outputs, PREG_SET_ORDER);
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} else {
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throw new InvalidArgumentException(sprintf('Test "%s" is not valid.', str_replace($fixturesDir.'/', '', $file)));
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}
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$tests[] = array(str_replace($fixturesDir.'/', '', $file), $message, $condition, $templates, $exception, $outputs);
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}
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if ($legacyTests && empty($tests)) {
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// add a dummy test to avoid a PHPUnit message
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return array(array('not', '-', '', array(), '', array()));
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}
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return $tests;
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}
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public function getLegacyTests()
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{
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return $this->getTests('testLegacyIntegration', true);
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}
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protected function doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs)
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{
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if ($condition) {
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eval('$ret = '.$condition.';');
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if (!$ret) {
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$this->markTestSkipped($condition);
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}
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}
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$loader = new Twig_Loader_Array($templates);
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foreach ($outputs as $i => $match) {
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$config = array_merge(array(
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'cache' => false,
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'strict_variables' => true,
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), $match[2] ? eval($match[2].';') : array());
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$twig = new Twig_Environment($loader, $config);
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$twig->addGlobal('global', 'global');
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foreach ($this->getExtensions() as $extension) {
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$twig->addExtension($extension);
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}
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foreach ($this->getTwigFilters() as $filter) {
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$twig->addFilter($filter);
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}
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foreach ($this->getTwigTests() as $test) {
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$twig->addTest($test);
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}
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foreach ($this->getTwigFunctions() as $function) {
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$twig->addFunction($function);
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}
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// avoid using the same PHP class name for different cases
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// only for PHP 5.2+
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if (PHP_VERSION_ID >= 50300) {
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$p = new ReflectionProperty($twig, 'templateClassPrefix');
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$p->setAccessible(true);
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$p->setValue($twig, '__TwigTemplate_'.hash('sha256', uniqid(mt_rand(), true), false).'_');
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}
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try {
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$template = $twig->loadTemplate('index.twig');
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} catch (Exception $e) {
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if (false !== $exception) {
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$message = $e->getMessage();
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$this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $message)));
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$this->assertSame('.', substr($message, strlen($message) - 1), $message, 'Exception message must end with a dot.');
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return;
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}
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if ($e instanceof Twig_Error_Syntax) {
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$e->setTemplateFile($file);
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throw $e;
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}
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throw new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
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}
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try {
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$output = trim($template->render(eval($match[1].';')), "\n ");
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} catch (Exception $e) {
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if (false !== $exception) {
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$this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $e->getMessage())));
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return;
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}
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if ($e instanceof Twig_Error_Syntax) {
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$e->setTemplateFile($file);
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} else {
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$e = new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
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}
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$output = trim(sprintf('%s: %s', get_class($e), $e->getMessage()));
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}
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if (false !== $exception) {
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list($class) = explode(':', $exception);
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$this->assertThat(null, new PHPUnit_Framework_Constraint_Exception($class));
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}
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$expected = trim($match[3], "\n ");
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if ($expected !== $output) {
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printf("Compiled templates that failed on case %d:\n", $i + 1);
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foreach (array_keys($templates) as $name) {
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echo "Template: $name\n";
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$source = $loader->getSource($name);
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echo $twig->compile($twig->parse($twig->tokenize($source, $name)));
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}
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}
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$this->assertEquals($expected, $output, $message.' (in '.$file.')');
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}
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}
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protected static function parseTemplates($test)
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{
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$templates = array();
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preg_match_all('/--TEMPLATE(?:\((.*?)\))?--(.*?)(?=\-\-TEMPLATE|$)/s', $test, $matches, PREG_SET_ORDER);
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foreach ($matches as $match) {
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$templates[($match[1] ? $match[1] : 'index.twig')] = $match[2];
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}
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return $templates;
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}
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}
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