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/vendor/twig/twig/src/Test/ -> IntegrationTestCase.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of Twig.
   5   *
   6   * (c) Fabien Potencier
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Twig\Test;
  13  
  14  use PHPUnit\Framework\TestCase;
  15  use Twig\Environment;
  16  use Twig\Error\Error;
  17  use Twig\Extension\ExtensionInterface;
  18  use Twig\Loader\ArrayLoader;
  19  use Twig\RuntimeLoader\RuntimeLoaderInterface;
  20  use Twig\TwigFilter;
  21  use Twig\TwigFunction;
  22  use Twig\TwigTest;
  23  
  24  /**
  25   * Integration test helper.
  26   *
  27   * @author Fabien Potencier <fabien@symfony.com>
  28   * @author Karma Dordrak <drak@zikula.org>
  29   */
  30  abstract class IntegrationTestCase extends TestCase
  31  {
  32      /**
  33       * @return string
  34       */
  35      abstract protected function getFixturesDir();
  36  
  37      /**
  38       * @return RuntimeLoaderInterface[]
  39       */
  40      protected function getRuntimeLoaders()
  41      {
  42          return [];
  43      }
  44  
  45      /**
  46       * @return ExtensionInterface[]
  47       */
  48      protected function getExtensions()
  49      {
  50          return [];
  51      }
  52  
  53      /**
  54       * @return TwigFilter[]
  55       */
  56      protected function getTwigFilters()
  57      {
  58          return [];
  59      }
  60  
  61      /**
  62       * @return TwigFunction[]
  63       */
  64      protected function getTwigFunctions()
  65      {
  66          return [];
  67      }
  68  
  69      /**
  70       * @return TwigTest[]
  71       */
  72      protected function getTwigTests()
  73      {
  74          return [];
  75      }
  76  
  77      /**
  78       * @dataProvider getTests
  79       */
  80      public function testIntegration($file, $message, $condition, $templates, $exception, $outputs, $deprecation = '')
  81      {
  82          $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs, $deprecation);
  83      }
  84  
  85      /**
  86       * @dataProvider getLegacyTests
  87       * @group legacy
  88       */
  89      public function testLegacyIntegration($file, $message, $condition, $templates, $exception, $outputs, $deprecation = '')
  90      {
  91          $this->doIntegrationTest($file, $message, $condition, $templates, $exception, $outputs, $deprecation);
  92      }
  93  
  94      public function getTests($name, $legacyTests = false)
  95      {
  96          $fixturesDir = realpath($this->getFixturesDir());
  97          $tests = [];
  98  
  99          foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($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('sha256', 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');


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