<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
abstract class Twig_SupTwgDtgs_Test_NodeTestCase extends PHPUnit_Framework_TestCase
{
  abstract public function getTests();

  /**
   * @dataProvider getTests
   */
  public function testCompile($node, $source, $environment = null, $isPattern = false)
  {
    $this->assertNodeCompilation($source, $node, $environment, $isPattern);
  }

  public function assertNodeCompilation($source, Twig_SupTwgDtgs_Node $node, Twig_SupTwgDtgs_Environment $environment = null, $isPattern = false)
  {
    $compiler = $this->getCompiler($environment);
    $compiler->compile($node);

    if ($isPattern) {
      $this->assertStringMatchesFormat($source, trim($compiler->getSource()));
    } else {
      $this->assertEquals($source, trim($compiler->getSource()));
    }
  }

  protected function getCompiler(Twig_SupTwgDtgs_Environment $environment = null)
  {
    return new Twig_SupTwgDtgs_Compiler(null === $environment ? $this->getEnvironment() : $environment);
  }

  protected function getEnvironment()
  {
    return new Twig_SupTwgDtgs_Environment(new Twig_SupTwgDtgs_Loader_Array([]));
  }

  protected function getVariableGetter($name, $line = false)
  {
    $line = $line > 0 ? "// line {$line}\n" : '';

    if (PHP_VERSION_ID >= 70000) {
      return sprintf('%s($context["%s"] ?? null)', $line, $name, $name);
    }

    if (PHP_VERSION_ID >= 50400) {
      return sprintf('%s(isset($context["%s"]) ? $context["%s"] : null)', $line, $name, $name);
    }

    return sprintf('%s$this->getContext($context, "%s")', $line, $name);
  }

  protected function getAttributeGetter()
  {
    if (function_exists('Twig_SupTwgDtgs_template_get_attributes')) {
      return 'Twig_SupTwgDtgs_template_get_attributes($this, ';
    }

    return '$this->getAttribute(';
  }
}
