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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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* @package twig
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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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abstract protected function getExtensions();
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abstract protected function getFixturesDir();
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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, $outputs);
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}
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public function getTests()
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{
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$fixturesDir = realpath($this->getFixturesDir());
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$tests = array();
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($fixturesDir), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
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if (!preg_match('/\.test$/', $file)) {
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continue;
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}
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$test = file_get_contents($file->getRealpath());
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if (preg_match('/
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--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 = $this->parseTemplates($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 = $this->parseTemplates($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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return $tests;
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}
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protected function doIntegrationTest($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 $match) {
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$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($extension);
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}
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try {
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$template = $twig->loadTemplate('index.twig');
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} catch (Exception $e) {
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if (false !== $exception) {
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$this->assertEquals(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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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->assertEquals(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 != $output) {
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echo 'Compiled template that failed:';
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foreach (array_keys($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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