symfony/tests/Symfony/Tests/Components/Yaml/ParserTest.php

<?php

/*
 * This file is part of the symfony package.
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Tests\Components\OutputEscaper;

use Symfony\Components\Yaml\Yaml;
use Symfony\Components\Yaml\Parser;
use Symfony\Components\Yaml\ParserException;

class ParserTest extends \PHPUnit_Framework_TestCase
{
  protected $parser;
  protected $path;

  static public function setUpBeforeClass()
  {
    Yaml::setSpecVersion('1.1');
  }

  public function setUp()
  {
    $this->parser = new Parser();
    $this->path = __DIR__.'/../../../../fixtures/Symfony/Components/Yaml';
  }

  public function testSpecifications()
  {
    $files = $this->parser->parse(file_get_contents($this->path.'/index.yml'));
    foreach ($files as $file)
    {
      $yamls = file_get_contents($this->path.'/'.$file.'.yml');

      // split YAMLs documents
      foreach (preg_split('/^---( %YAML\:1\.0)?/m', $yamls) as $yaml)
      {
        if (!$yaml)
        {
          continue;
        }

        $test = $this->parser->parse($yaml);
        if (isset($test['todo']) && $test['todo'])
        {
          // TODO
        }
        else
        {
          $expected = var_export(eval('return '.trim($test['php']).';'), true);

          $this->assertEquals($expected, var_export($this->parser->parse($test['yaml']), true), $test['test']);
        }
      }
    }
  }

  public function testTabsInYaml()
  {
    // test tabs in YAML
    $yamls = array(
      "foo:\n	bar",
      "foo:\n 	bar",
      "foo:\n	 bar",
      "foo:\n 	 bar",
    );

    foreach ($yamls as $yaml)
    {
      try
      {
        $content = $this->parser->parse($yaml);

        $this->fail('YAML files must not contain tabs');
      }
      catch (ParserException $e)
      {
      }
    }
  }

  public function testObjectsSupport()
  {
    $b = array('foo' => new B(), 'bar' => 1);
    $this->assertEquals($this->parser->parse(<<<EOF
foo: !!php/object:O:40:"Symfony\Tests\Components\OutputEscaper\B":1:{s:1:"b";s:3:"foo";}
bar: 1
EOF
    ), $b, '->parse() is able to dump objects');
  }
}

class B
{
  public $b = 'foo';
}