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IntegrationTestCase.php
001 <?php
002
003 /*
004 * This file is part of Twig.
005 *
006 * (c) 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 namespace Twig\Test;
013
014 use PHPUnit\Framework\TestCase;
015 use Twig\Environment;
016 use Twig\Error\Error;
017 use Twig\Extension\ExtensionInterface;
018 use Twig\Loader\ArrayLoader;
019 use Twig\RuntimeLoader\RuntimeLoaderInterface;
020 use Twig\TwigFilter;
021 use Twig\TwigFunction;
022 use Twig\TwigTest;
023
024 /**
025 * Integration test helper.
026 *
027 * @author Fabien Potencier <fabien@symfony.com>
028 * @author Karma Dordrak <drak@zikula.org>
029 */
030 abstract class IntegrationTestCase extends TestCase
031 {
032 /**
033 * @return string
034 */
035 abstract protected function getFixturesDir();
036
037 /**
038 * @return RuntimeLoaderInterface[]
039 */
040 protected function getRuntimeLoaders()
041 {
042 return [];
043 }
044
045 /**
046 * @return ExtensionInterface[]
047 */
048 protected function getExtensions()
049 {
050 return [];
051 }
052
053 /**
054 * @return TwigFilter[]
055 */
056 protected function getTwigFilters()
057 {
058 return [];
059 }
060
061 /**
062 * @return TwigFunction[]
063 */
064 protected function getTwigFunctions()
065 {
066 return [];
067 }
068
069 /**
070 * @return TwigTest[]
071 */
072 protected function getTwigTests()
073 {
074 return [];
075 }
076
077 /**
078 * @dataProvider getTests
079 */
080 public function testIntegration($file, $message, $condition, $templates, $exception, $outputs, $deprecation = '')
081 {
082 $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs, $deprecation);
083 }
084
085 /**
086 * @dataProvider getLegacyTests
087 * @group legacy
088 */
089 public function testLegacyIntegration($file, $message, $condition, $templates, $exception, $outputs, $deprecation = '')
090 {
091 $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs, $deprecation);
092 }
093
094 public function getTests($name, $legacyTests = false)
095 {
096 $fixturesDir = realpath($this->getFixturesDir());
097 $tests = [];
098
099 foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($fixturesDir), \RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
100 if (!preg_match('/\.test$/', $file)) {
101 continue;
102 }
103
104 if ($legacyTests xor false !== strpos($file->getRealpath(), '.legacy.test')) {
105 continue;
106 }
107
108 $test = file_get_contents($file->getRealpath());
109
110 if (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*(?:--DEPRECATION--\s*(.*?))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)\s*(?:--DATA--\s*(.*))?\s*--EXCEPTION--\s*(.*)/sx', $test, $match)) {
111 $message = $match[1];
112 $condition = $match[2];
113 $deprecation = $match[3];
114 $templates = self::parseTemplates($match[4]);
115 $exception = $match[6];
116 $outputs = [[null, $match[5], null, '']];
117 } elseif (preg_match('/--TEST--\s*(.*?)\s*(?:--CONDITION--\s*(.*))?\s*(?:--DEPRECATION--\s*(.*?))?\s*((?:--TEMPLATE(?:\(.*?\))?--(?:.*?))+)--DATA--.*?--EXPECT--.*/s', $test, $match)) {
118 $message = $match[1];
119 $condition = $match[2];
120 $deprecation = $match[3];
121 $templates = self::parseTemplates($match[4]);
122 $exception = false;
123 preg_match_all('/--DATA--(.*?)(?:--CONFIG--(.*?))?--EXPECT--(.*?)(?=\-\-DATA\-\-|$)/s', $test, $outputs, \PREG_SET_ORDER);
124 } else {
125 throw new \InvalidArgumentException(sprintf('Test "%s" is not valid.', str_replace($fixturesDir.'/', '', $file)));
126 }
127
128 $tests[] = [str_replace($fixturesDir.'/', '', $file), $message, $condition, $templates, $exception, $outputs, $deprecation];
129 }
130
131 if ($legacyTests && empty($tests)) {
132 // add a dummy test to avoid a PHPUnit message
133 return [['not', '-', '', [], '', []]];
134 }
135
136 return $tests;
137 }
138
139 public function getLegacyTests()
140 {
141 return $this->getTests('testLegacyIntegration', true);
142 }
143
144 protected function doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs, $deprecation = '')
145 {
146 if (!$outputs) {
147 $this->markTestSkipped('no tests to run');
148 }
149
150 if ($condition) {
151 eval('$ret = '.$condition.';');
152 if (!$ret) {
153 $this->markTestSkipped($condition);
154 }
155 }
156
157 $loader = new ArrayLoader($templates);
158
159 foreach ($outputs as $i => $match) {
160 $config = array_merge([
161 'cache' => false,
162 'strict_variables' => true,
163 ], $match[2] ? eval($match[2].';') : []);
164 $twig = new Environment($loader, $config);
165 $twig->addGlobal('global', 'global');
166 foreach ($this->getRuntimeLoaders() as $runtimeLoader) {
167 $twig->addRuntimeLoader($runtimeLoader);
168 }
169
170 foreach ($this->getExtensions() as $extension) {
171 $twig->addExtension($extension);
172 }
173
174 foreach ($this->getTwigFilters() as $filter) {
175 $twig->addFilter($filter);
176 }
177
178 foreach ($this->getTwigTests() as $test) {
179 $twig->addTest($test);
180 }
181
182 foreach ($this->getTwigFunctions() as $function) {
183 $twig->addFunction($function);
184 }
185
186 // avoid using the same PHP class name for different cases
187 $p = new \ReflectionProperty($twig, 'templateClassPrefix');
188 $p->setAccessible(true);
189 $p->setValue($twig, '__TwigTemplate_'.hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', uniqid(mt_rand(), true), false).'_');
190
191 $deprecations = [];
192 try {
193 $prevHandler = set_error_handler(function ($type, $msg, $file, $line, $context = []) use (&$deprecations, &$prevHandler) {
194 if (\E_USER_DEPRECATED === $type) {
195 $deprecations[] = $msg;
196
197 return true;
198 }
199
200 return $prevHandler ? $prevHandler($type, $msg, $file, $line, $context) : false;
201 });
202
203 $template = $twig->load('index.twig');
204 } catch (\Exception $e) {
205 if (false !== $exception) {
206 $message = $e->getMessage();
207 $this->assertSame(trim($exception), trim(sprintf('%s: %s', \get_class($e), $message)));
208 $last = substr($message, \strlen($message) - 1);
209 $this->assertTrue('.' === $last || '?' === $last, 'Exception message must end with a dot or a question mark.');
210
211 return;
212 }
213
214 throw new Error(sprintf('%s: %s', \get_class($e), $e->getMessage()), -1, null, $e);
215 } finally {
216 restore_error_handler();
217 }
218
219 $this->assertSame($deprecation, implode("\n", $deprecations));
220
221 try {
222 $output = trim($template->render(eval($match[1].';')), "\n ");
223 } catch (\Exception $e) {
224 if (false !== $exception) {
225 $this->assertSame(trim($exception), trim(sprintf('%s: %s', \get_class($e), $e->getMessage())));
226
227 return;
228 }
229
230 $e = new Error(sprintf('%s: %s', \get_class($e), $e->getMessage()), -1, null, $e);
231
232 $output = trim(sprintf('%s: %s', \get_class($e), $e->getMessage()));
233 }
234
235 if (false !== $exception) {
236 list($class) = explode(':', $exception);
237 $constraintClass = class_exists('PHPUnit\Framework\Constraint\Exception') ? 'PHPUnit\Framework\Constraint\Exception' : 'PHPUnit_Framework_Constraint_Exception';
238 $this->assertThat(null, new $constraintClass($class));
239 }
240
241 $expected = trim($match[3], "\n ");
242
243 if ($expected !== $output) {
244 printf("Compiled templates that failed on case %d:\n", $i + 1);
245
246 foreach (array_keys($templates) as $name) {
247 echo "Template: $name\n";
248 echo $twig->compile($twig->parse($twig->tokenize($twig->getLoader()->getSourceContext($name))));
249 }
250 }
251 $this->assertEquals($expected, $output, $message.' (in '.$file.')');
252 }
253 }
254
255 protected static function parseTemplates($test)
256 {
257 $templates = [];
258 preg_match_all('/--TEMPLATE(?:\((.*?)\))?--(.*?)(?=\-\-TEMPLATE|$)/s', $test, $matches, \PREG_SET_ORDER);
259 foreach ($matches as $match) {
260 $templates[($match[1] ?: 'index.twig')] = $match[2];
261 }
262
263 return $templates;
264 }
265 }
266
267 class_alias('Twig\Test\IntegrationTestCase', 'Twig_Test_IntegrationTestCase');
268