<?php

/**
 * @file
 * Definition of ViewsAjaxTest.
 */

/**
 * Tests views ajax display.
 */
class ViewsAjaxTest extends ViewsSqlTest {
  public static function getInfo() {
    return array(
      'name' => 'Ajax',
      'description' => 'Test views with and without ajax enabled.',
      'group' => 'Views Handlers',
    );
  }

  public function setUp() {
    parent::setUp('views', 'views_test');
    // Create a second node.
    $this->drupalCreateNode(array('type' => 'article', 'status' => NODE_PUBLISHED));
  }

  /**
   * Perform a simple AJAX POST HTTP request.
   *
   * @param string $path
   *   Drupal path where the request should be POSTed.
   * @param string $accept
   *   The value for the "Accept" header. Usually either 'application/json' or
   *   'application/vnd.drupal-ajax'.
   * @param array $post
   *   The POST data. When making a 'application/vnd.drupal-ajax' request, the
   *   Ajax page state data should be included. Use getAjaxPageStatePostData()
   *   for that.
   *
   * @return
   *   The content returned from the call to curl_exec().
   */
  public function simpleAjaxPost($path, $accept, $post = array()) {
    $options['absolute'] = TRUE;
    foreach ($post as $key => $value) {
      // Encode according to application/x-www-form-urlencoded
      // Both names and values needs to be urlencoded, according to
      // http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.1
      $post[$key] = urlencode($key) . '=' . urlencode($value);
    }
    $postfields = implode('&', $post);
    $headers = array(
      'Accept: ' . $accept,
      'Content-Type: application/x-www-form-urlencoded',
    );
    return $this->curlExec(array(
      CURLOPT_URL => url($path, $options),
      CURLOPT_POST => TRUE,
      CURLOPT_POSTFIELDS => $postfields,
      CURLOPT_HTTPHEADER => $headers,
    ));
  }

  /**
   * Tests an ajax and non-ajax view.
   */
  public function testAjaxView() {
    $this->drupalCreateNode();
    $this->drupalGet('test_ajax_view');
    $drupal_settings = $this->drupalGetSettings();
    $this->assertTrue(isset($drupal_settings['views']['ajax_path']), 'The Ajax callback path is set in drupalSettings.');
    $this->assertEqual(count($drupal_settings['views']['ajaxViews']), 1);
    $view_entry = current(array_keys($drupal_settings['views']['ajaxViews']));
    $this->assertEqual($drupal_settings['views']['ajaxViews'][$view_entry]['view_name'], 'test_ajax_view', 'The view\'s ajaxViews array entry has the correct \'view_name\' key.');
    $this->assertEqual($drupal_settings['views']['ajaxViews'][$view_entry]['view_display_id'], 'page_1', 'The view\'s ajaxViews array entry has the correct \'view_display_id\' key.');

    $post = array(
      'view_name' => 'test_ajax_view',
      'view_display_id' => 'page_1',
    );

    $response = $this->simpleAjaxPost('views/ajax', 'application/json', $post);
    $data = drupal_json_decode($response);

    $this->assertTrue(isset($data[0]['settings']['views']['ajaxViews']));

    // Ensure that the view insert command is part of the result.
    $this->assertEqual($data[1]['command'], 'insert');
    $this->assertTrue(strpos($data[1]['selector'], '.view-dom-id-') === 0);

    $this->drupalSetContent($data[1]['data']);
    $result = $this->xpath('//div[contains(@class, "views-row")]');
    $this->assertEqual(count($result), 2, 'Ensure that two items are rendered in the HTML.');

    $post = array(
      'view_name' => 'test_noajax_view',
      'view_display_id' => 'default',
    );

    $response = $this->simpleAjaxPost('views/ajax', 'application/json', $post);
    $data = drupal_json_decode($response);
    // In Drupal 7 we get an ajax response with no commands instead of a 403 if
    // the view cannot be accessed.
    foreach ($data as $item) {
      $this->assertIdentical('settings', $item['command']);
      $this->assertTrue(empty($item['data']));
    }
  }

}