Club Drupal

/**

 * Test Ajax forms when page caching for anonymous users is turned on.

 */

class AJAXFormPageCacheTestCase extends AJAXTestCase {

  protected $profile = 'testing';

  public static function getInfo() {

    return array(

      'name' => 'AJAX forms on cached pages',

      'description' => 'Tests that AJAX forms work properly for anonymous users on cached pages.',

      'group' => 'AJAX',

    );

  }

  public function setUp() {

    parent::setUp();

    variable_set('cache', TRUE);

  }

  /**

   * Return the build id of the current form.

   */

  protected function getFormBuildId() {

    $build_id_fields = $this->xpath('//input[@name="form_build_id"]');

    $this->assertEqual(count($build_id_fields), 1, 'One form build id field on the page');

    return (string) $build_id_fields[0]['value'];

  }

  /**

   * Create a simple form, then POST to system/ajax to change to it.

   */

  public function testSimpleAJAXFormValue() {

    $this->drupalGet('ajax_forms_test_get_form');

    $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');

    $build_id_initial = $this->getFormBuildId();

    $edit = array('select' => 'green');

    $commands = $this->drupalPostAJAX(NULL, $edit, 'select');

    $build_id_first_ajax = $this->getFormBuildId();

    $this->assertNotEqual($build_id_initial, $build_id_first_ajax, 'Build id is changed in the simpletest-DOM on first AJAX submission');

    $expected = array(

      'command' => 'updateBuildId',

      'old' => $build_id_initial,

      'new' => $build_id_first_ajax,

    );

    $this->assertCommand($commands, $expected, 'Build id change command issued on first AJAX submission');

    $edit = array('select' => 'red');

    $commands = $this->drupalPostAJAX(NULL, $edit, 'select');

    $build_id_second_ajax = $this->getFormBuildId();

    $this->assertEqual($build_id_first_ajax, $build_id_second_ajax, 'Build id remains the same on subsequent AJAX submissions');

    // Repeat the test sequence but this time with a page loaded from the cache.

    $this->drupalGet('ajax_forms_test_get_form');

    $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');

    $build_id_from_cache_initial = $this->getFormBuildId();

    $this->assertEqual($build_id_initial, $build_id_from_cache_initial, 'Build id is the same as on the first request');

    $edit = array('select' => 'green');

    $commands = $this->drupalPostAJAX(NULL, $edit, 'select');

    $build_id_from_cache_first_ajax = $this->getFormBuildId();

    $this->assertNotEqual($build_id_from_cache_initial, $build_id_from_cache_first_ajax, 'Build id is changed in the simpletest-DOM on first AJAX submission');

    $this->assertNotEqual($build_id_first_ajax, $build_id_from_cache_first_ajax, 'Build id from first user is not reused');

    $expected = array(

      'command' => 'updateBuildId',

      'old' => $build_id_from_cache_initial,

      'new' => $build_id_from_cache_first_ajax,

    );

    $this->assertCommand($commands, $expected, 'Build id change command issued on first AJAX submission');

    $edit = array('select' => 'red');

    $commands = $this->drupalPostAJAX(NULL, $edit, 'select');

    $build_id_from_cache_second_ajax = $this->getFormBuildId();

    $this->assertEqual($build_id_from_cache_first_ajax, $build_id_from_cache_second_ajax, 'Build id remains the same on subsequent AJAX submissions');

  }

}