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   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  abstract class Twig_Test_NodeTestCase extends PHPUnit_Framework_TestCase
  12  {
  13      abstract public function getTests();
  14  
  15      /**
  16       * @dataProvider getTests
  17       */
  18      public function testCompile($node, $source, $environment = null, $isPattern = false)
  19      {
  20          $this->assertNodeCompilation($source, $node, $environment, $isPattern);
  21      }
  22  
  23      public function assertNodeCompilation($source, Twig_Node $node, Twig_Environment $environment = null, $isPattern = false)
  24      {
  25          $compiler = $this->getCompiler($environment);
  26          $compiler->compile($node);
  27  
  28          if ($isPattern) {
  29              $this->assertStringMatchesFormat($source, trim($compiler->getSource()));
  30          } else {
  31              $this->assertEquals($source, trim($compiler->getSource()));
  32          }
  33      }
  34  
  35      protected function getCompiler(Twig_Environment $environment = null)
  36      {
  37          return new Twig_Compiler(null === $environment ? $this->getEnvironment() : $environment);
  38      }
  39  
  40      protected function getEnvironment()
  41      {
  42          return new Twig_Environment(new Twig_Loader_Array(array()));
  43      }
  44  
  45      protected function getVariableGetter($name, $line = false)
  46      {
  47          $line = $line > 0 ? "// line {$line}\n" : '';
  48  
  49          if (PHP_VERSION_ID >= 50400) {
  50              return sprintf('%s(isset($context["%s"]) ? $context["%s"] : null)', $line, $name, $name);
  51          }
  52  
  53          return sprintf('%s$this->getContext($context, "%s")', $line, $name);
  54      }
  55  
  56      protected function getAttributeGetter()
  57      {
  58          if (function_exists('twig_template_get_attributes')) {
  59              return 'twig_template_get_attributes($this, ';
  60          }
  61  
  62          return '$this->getAttribute(';
  63      }
  64  }