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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  
  12  namespace Twig\Test;
  13  
  14  use PHPUnit\Framework\TestCase;
  15  use Twig\Compiler;
  16  use Twig\Environment;
  17  use Twig\Loader\ArrayLoader;
  18  use Twig\Node\Node;
  19  
  20  abstract class NodeTestCase extends TestCase
  21  {
  22      abstract public function getTests();
  23  
  24      /**
  25       * @dataProvider getTests
  26       */
  27      public function testCompile($node, $source, $environment = null, $isPattern = false)
  28      {
  29          $this->assertNodeCompilation($source, $node, $environment, $isPattern);
  30      }
  31  
  32      public function assertNodeCompilation($source, Node $node, Environment $environment = null, $isPattern = false)
  33      {
  34          $compiler = $this->getCompiler($environment);
  35          $compiler->compile($node);
  36  
  37          if ($isPattern) {
  38              $this->assertStringMatchesFormat($source, trim($compiler->getSource()));
  39          } else {
  40              $this->assertEquals($source, trim($compiler->getSource()));
  41          }
  42      }
  43  
  44      protected function getCompiler(Environment $environment = null)
  45      {
  46          return new Compiler(null === $environment ? $this->getEnvironment() : $environment);
  47      }
  48  
  49      protected function getEnvironment()
  50      {
  51          return new Environment(new ArrayLoader([]));
  52      }
  53  
  54      protected function getVariableGetter($name, $line = false)
  55      {
  56          $line = $line > 0 ? "// line {$line}\n" : '';
  57  
  58          return sprintf('%s($context["%s"] ?? null)', $line, $name);
  59      }
  60  
  61      protected function getAttributeGetter()
  62      {
  63          return 'twig_get_attribute($this->env, $this->source, ';
  64      }
  65  }
  66  
  67  class_alias('Twig\Test\NodeTestCase', 'Twig_Test_NodeTestCase');