AcceptHeaderTest.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\HttpFoundation\Tests;

use Symfony\Component\HttpFoundation\AcceptHeader;
use Symfony\Component\HttpFoundation\AcceptHeaderItem;
class AcceptHeaderTest extends \PHPUnit_Framework_TestCase {
  public function testFirst() {
    $header = AcceptHeader::fromString('text/plain; q=0.5, text/html, text/x-dvi; q=0.8, text/x-c');
    $this
      ->assertSame('text/html', $header
      ->first()
      ->getValue());
  }

  /**
   * @dataProvider provideFromStringData
   */
  public function testFromString($string, array $items) {
    $header = AcceptHeader::fromString($string);
    $parsed = array_values($header
      ->all());

    // reset index since the fixtures don't have them set
    foreach ($parsed as $item) {
      $item
        ->setIndex(0);
    }
    $this
      ->assertEquals($items, $parsed);
  }
  public function provideFromStringData() {
    return array(
      array(
        '',
        array(),
      ),
      array(
        'gzip',
        array(
          new AcceptHeaderItem('gzip'),
        ),
      ),
      array(
        'gzip,deflate,sdch',
        array(
          new AcceptHeaderItem('gzip'),
          new AcceptHeaderItem('deflate'),
          new AcceptHeaderItem('sdch'),
        ),
      ),
      array(
        "gzip, deflate\t,sdch",
        array(
          new AcceptHeaderItem('gzip'),
          new AcceptHeaderItem('deflate'),
          new AcceptHeaderItem('sdch'),
        ),
      ),
      array(
        '"this;should,not=matter"',
        array(
          new AcceptHeaderItem('this;should,not=matter'),
        ),
      ),
    );
  }

  /**
   * @dataProvider provideToStringData
   */
  public function testToString(array $items, $string) {
    $header = new AcceptHeader($items);
    $this
      ->assertEquals($string, (string) $header);
  }
  public function provideToStringData() {
    return array(
      array(
        array(),
        '',
      ),
      array(
        array(
          new AcceptHeaderItem('gzip'),
        ),
        'gzip',
      ),
      array(
        array(
          new AcceptHeaderItem('gzip'),
          new AcceptHeaderItem('deflate'),
          new AcceptHeaderItem('sdch'),
        ),
        'gzip,deflate,sdch',
      ),
      array(
        array(
          new AcceptHeaderItem('this;should,not=matter'),
        ),
        'this;should,not=matter',
      ),
    );
  }

  /**
   * @dataProvider provideFilterData
   */
  public function testFilter($string, $filter, array $values) {
    $header = AcceptHeader::fromString($string)
      ->filter($filter);
    $this
      ->assertEquals($values, array_keys($header
      ->all()));
  }
  public function provideFilterData() {
    return array(
      array(
        'fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4',
        '/fr.*/',
        array(
          'fr-FR',
          'fr',
        ),
      ),
    );
  }

  /**
   * @dataProvider provideSortingData
   */
  public function testSorting($string, array $values) {
    $header = AcceptHeader::fromString($string);
    $this
      ->assertEquals($values, array_keys($header
      ->all()));
  }
  public function provideSortingData() {
    return array(
      'quality has priority' => array(
        '*;q=0.3,ISO-8859-1,utf-8;q=0.7',
        array(
          'ISO-8859-1',
          'utf-8',
          '*',
        ),
      ),
      'order matters when q is equal' => array(
        '*;q=0.3,ISO-8859-1;q=0.7,utf-8;q=0.7',
        array(
          'ISO-8859-1',
          'utf-8',
          '*',
        ),
      ),
      'order matters when q is equal2' => array(
        '*;q=0.3,utf-8;q=0.7,ISO-8859-1;q=0.7',
        array(
          'utf-8',
          'ISO-8859-1',
          '*',
        ),
      ),
    );
  }

}