AggregatorRenderingTest.php

<?php

/**
 * @file
 * Definition of Drupal\aggregator\Tests\AggregatorRenderingTest.
 */
namespace Drupal\aggregator\Tests;

use Drupal\Component\Utility\String;

/**
 * Tests rendering functionality in the Aggregator module.
 */
class AggregatorRenderingTest extends AggregatorTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'block',
    'test_page_test',
  );
  public static function getInfo() {
    return array(
      'name' => 'Checks display of aggregator items',
      'description' => 'Checks display of aggregator items on the page.',
      'group' => 'Aggregator',
    );
  }

  /**
   * Adds a feed block to the page and checks its links.
   *
   * @todo Test the category block as well.
   */
  public function testBlockLinks() {

    // Create feed.
    $this
      ->createSampleNodes();
    $feed = $this
      ->createFeed();
    $this
      ->updateFeedItems($feed, $this
      ->getDefaultFeedItemCount());

    // Clear the block cache to load the new block definitions.
    $this->container
      ->get('plugin.manager.block')
      ->clearCachedDefinitions();

    // Need admin user to be able to access block admin.
    $admin_user = $this
      ->drupalCreateUser(array(
      'administer blocks',
      'access administration pages',
      'administer news feeds',
      'access news feeds',
    ));
    $this
      ->drupalLogin($admin_user);
    $block = $this
      ->drupalPlaceBlock("aggregator_feed_block:{$feed->id()}", array(
      'label' => 'feed-' . $feed
        ->label(),
      'block_count' => 2,
    ));

    // Confirm that the block is now being displayed on pages.
    $this
      ->drupalGet('test-page');
    $this
      ->assertText($block
      ->label(), 'Feed block is displayed on the page.');

    // Find the expected read_more link.
    $href = 'aggregator/sources/' . $feed
      ->id();
    $links = $this
      ->xpath('//a[@href = :href]', array(
      ':href' => url($href),
    ));
    $this
      ->assert(isset($links[0]), format_string('Link to href %href found.', array(
      '%href' => $href,
    )));

    // Visit that page.
    $this
      ->drupalGet($href);
    $correct_titles = $this
      ->xpath('//h1[normalize-space(text())=:title]', array(
      ':title' => $feed
        ->label(),
    ));
    $this
      ->assertFalse(empty($correct_titles), 'Aggregator feed page is available and has the correct title.');

    // Set the number of news items to 0 to test that the block does not show
    // up.
    $feed->block = 0;
    $feed
      ->save();

    // Check that the block is no longer displayed.
    $this
      ->drupalGet('test-page');
    $this
      ->assertNoText($block
      ->label(), 'Feed block is not displayed on the page when number of items is set to 0.');
  }

  /**
   * Creates a feed and checks that feed's page.
   */
  public function testFeedPage() {

    // Increase the number of items published in the rss.xml feed so we have
    // enough articles to test paging.
    $view = entity_load('view', 'frontpage');
    $display =& $view
      ->getDisplay('feed_1');
    $display['display_options']['pager']['options']['items_per_page'] = 30;
    $view
      ->save();

    // Create a feed with 30 items.
    $this
      ->createSampleNodes(30);
    $feed = $this
      ->createFeed();
    $this
      ->updateFeedItems($feed, 30);

    // Check for presence of an aggregator pager.
    $this
      ->drupalGet('aggregator');
    $elements = $this
      ->xpath("//ul[@class=:class]", array(
      ':class' => 'pager',
    ));
    $this
      ->assertTrue(!empty($elements), 'Individual source page contains a pager.');

    // Check for sources page title.
    $this
      ->drupalGet('aggregator/sources');
    $titles = $this
      ->xpath('//h1[normalize-space(text())=:title]', array(
      ':title' => 'Sources',
    ));
    $this
      ->assertTrue(!empty($titles), 'Source page contains correct title.');

    // Find the expected read_more link on the sources page.
    $href = 'aggregator/sources/' . $feed
      ->id();
    $links = $this
      ->xpath('//a[@href = :href]', array(
      ':href' => url($href),
    ));
    $this
      ->assertTrue(isset($links[0]), String::format('Link to href %href found.', array(
      '%href' => $href,
    )));

    // Check for the presence of a pager.
    $this
      ->drupalGet('aggregator/sources/' . $feed
      ->id());
    $elements = $this
      ->xpath("//ul[@class=:class]", array(
      ':class' => 'pager',
    ));
    $this
      ->assertTrue(!empty($elements), 'Individual source page contains a pager.');
  }

}