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IntegrationTestCase.php
001 <?php
002
003 /*
004 * This file is part of Twig.
005 *
006 * (c) 2010 Fabien Potencier
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 /**
013 * Integration test helper.
014 *
015 * @author Fabien Potencier <fabien@symfony.com>
016 * @author Karma Dordrak <drak@zikula.org>
017 */
018 abstract class Twig_Test_IntegrationTestCase extends PHPUnit_Framework_TestCase
019 {
020 /**
021 * @return string
022 */
023 abstract protected function getFixturesDir();
024
025 /**
026 * @return Twig_ExtensionInterface[]
027 */
028 protected function getExtensions()
029 {
030 return array();
031 }
032
033 /**
034 * @return Twig_SimpleFilter[]
035 */
036 protected function getTwigFilters()
037 {
038 return array();
039 }
040
041 /**
042 * @return Twig_SimpleFunction[]
043 */
044 protected function getTwigFunctions()
045 {
046 return array();
047 }
048
049 /**
050 * @return Twig_SimpleTest[]
051 */
052 protected function getTwigTests()
053 {
054 return array();
055 }
056
057 /**
058 * @dataProvider getTests
059 */
060 public function testIntegration($file, $message, $condition, $templates, $exception, $outputs)
061 {
062 $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
063 }
064
065 /**
066 * @dataProvider getLegacyTests
067 * @group legacy
068 */
069 public function testLegacyIntegration($file, $message, $condition, $templates, $exception, $outputs)
070 {
071 $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs);
072 }
073
074 public function getTests($name, $legacyTests = false)
075 {
076 $fixturesDir = realpath($this->getFixturesDir());
077 $tests = array();
078
079 foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($fixturesDir), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
080 if (!preg_match('/\.test$/', $file)) {
081 continue;
082 }
083
084 if ($legacyTests xor false !== strpos($file->getRealpath(), '.legacy.test')) {
085 continue;
086 }
087
088 $test = file_get_contents($file->getRealpath());
089
090 if (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)\s*(?:--DATA--\s*(.*))?\s*--EXCEPTION--\s*(.*)/sx', $test, $match)) {
091 $message = $match[1];
092 $condition = $match[2];
093 $templates = self::parseTemplates($match[3]);
094 $exception = $match[5];
095 $outputs = array(array(null, $match[4], null, ''));
096 } elseif (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)--DATA--.*?--EXPECT--.*/s', $test, $match)) {
097 $message = $match[1];
098 $condition = $match[2];
099 $templates = self::parseTemplates($match[3]);
100 $exception = false;
101 preg_match_all('/--DATA--(.*?)(?:--CONFIG--(.*?))?--EXPECT--(.*?)(?=\-\-DATA\-\-|$)/s', $test, $outputs, PREG_SET_ORDER);
102 } else {
103 throw new InvalidArgumentException(sprintf('Test "%s" is not valid.', str_replace($fixturesDir.'/', '', $file)));
104 }
105
106 $tests[] = array(str_replace($fixturesDir.'/', '', $file), $message, $condition, $templates, $exception, $outputs);
107 }
108
109 if ($legacyTests && empty($tests)) {
110 // add a dummy test to avoid a PHPUnit message
111 return array(array('not', '-', '', array(), '', array()));
112 }
113
114 return $tests;
115 }
116
117 public function getLegacyTests()
118 {
119 return $this->getTests('testLegacyIntegration', true);
120 }
121
122 protected function doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs)
123 {
124 if ($condition) {
125 eval('$ret = '.$condition.';');
126 if (!$ret) {
127 $this->markTestSkipped($condition);
128 }
129 }
130
131 $loader = new Twig_Loader_Array($templates);
132
133 foreach ($outputs as $i => $match) {
134 $config = array_merge(array(
135 'cache' => false,
136 'strict_variables' => true,
137 ), $match[2] ? eval($match[2].';') : array());
138 $twig = new Twig_Environment($loader, $config);
139 $twig->addGlobal('global', 'global');
140 foreach ($this->getExtensions() as $extension) {
141 $twig->addExtension($extension);
142 }
143
144 foreach ($this->getTwigFilters() as $filter) {
145 $twig->addFilter($filter);
146 }
147
148 foreach ($this->getTwigTests() as $test) {
149 $twig->addTest($test);
150 }
151
152 foreach ($this->getTwigFunctions() as $function) {
153 $twig->addFunction($function);
154 }
155
156 // avoid using the same PHP class name for different cases
157 // only for PHP 5.2+
158 if (PHP_VERSION_ID >= 50300) {
159 $p = new ReflectionProperty($twig, 'templateClassPrefix');
160 $p->setAccessible(true);
161 $p->setValue($twig, '__TwigTemplate_'.hash('sha256', uniqid(mt_rand(), true), false).'_');
162 }
163
164 try {
165 $template = $twig->loadTemplate('index.twig');
166 } catch (Exception $e) {
167 if (false !== $exception) {
168 $message = $e->getMessage();
169 $this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $message)));
170 $this->assertSame('.', substr($message, strlen($message) - 1), $message, 'Exception message must end with a dot.');
171
172 return;
173 }
174
175 if ($e instanceof Twig_Error_Syntax) {
176 $e->setTemplateFile($file);
177
178 throw $e;
179 }
180
181 throw new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
182 }
183
184 try {
185 $output = trim($template->render(eval($match[1].';')), "\n ");
186 } catch (Exception $e) {
187 if (false !== $exception) {
188 $this->assertSame(trim($exception), trim(sprintf('%s: %s', get_class($e), $e->getMessage())));
189
190 return;
191 }
192
193 if ($e instanceof Twig_Error_Syntax) {
194 $e->setTemplateFile($file);
195 } else {
196 $e = new Twig_Error(sprintf('%s: %s', get_class($e), $e->getMessage()), -1, $file, $e);
197 }
198
199 $output = trim(sprintf('%s: %s', get_class($e), $e->getMessage()));
200 }
201
202 if (false !== $exception) {
203 list($class) = explode(':', $exception);
204 $this->assertThat(null, new PHPUnit_Framework_Constraint_Exception($class));
205 }
206
207 $expected = trim($match[3], "\n ");
208
209 if ($expected !== $output) {
210 printf("Compiled templates that failed on case %d:\n", $i + 1);
211
212 foreach (array_keys($templates) as $name) {
213 echo "Template: $name\n";
214 $source = $loader->getSource($name);
215 echo $twig->compile($twig->parse($twig->tokenize($source, $name)));
216 }
217 }
218 $this->assertEquals($expected, $output, $message.' (in '.$file.')');
219 }
220 }
221
222 protected static function parseTemplates($test)
223 {
224 $templates = array();
225 preg_match_all('/--TEMPLATE(?:\((.*?)\))?--(.*?)(?=\-\-TEMPLATE|$)/s', $test, $matches, PREG_SET_ORDER);
226 foreach ($matches as $match) {
227 $templates[($match[1] ? $match[1] : 'index.twig')] = $match[2];
228 }
229
230 return $templates;
231 }
232 }
233