function AggregatorRenderingTest::testBlockLinks

Adds a feed block to the page and checks its links.

File

core/modules/aggregator/tests/src/Functional/AggregatorRenderingTest.php, line 36

Class

AggregatorRenderingTest

Tests display of aggregator items on the page.

Namespace

Code

public function testBlockLinks() {
  // Create feed.
  $this->createSampleNodes();
  $feed = $this->createFeed();
  $this->updateFeedItems($feed, $this->getDefaultFeedItemCount());
  // Need admin user to be able to access block admin.
  $admin_user = $this->drupalCreateUser([
    'administer blocks',
    'access administration pages',
    'administer news feeds',
    'access news feeds',
  ]);
  $this->drupalLogin($admin_user);
  $block = $this->drupalPlaceBlock("aggregator_feed_block", [
    'label' => 'feed-' . $feed->label(),
  ]);
  // Configure the feed that should be displayed.
  $block->getPlugin()
    ->setConfigurationValue('feed', $feed->id());
  $block->getPlugin()
    ->setConfigurationValue('block_count', 2);
  $block->save();
  // 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.');
  // Confirm items appear as links.
  $items = $this->container
    ->get('entity_type.manager')
    ->getStorage('aggregator_item')
    ->loadByFeed($feed->id(), 1);
  $links = $this->xpath('//a[@href = :href]', [
    ':href' => reset($items)->getLink(),
  ]);
  $this->assert(isset($links[0]), 'Item link found.');
  // Find the expected read_more link.
  $href = $feed->toUrl()
    ->toString();
  $links = $this->xpath('//a[@href = :href]', [
    ':href' => $href,
  ]);
  $this->assert(isset($links[0]), new FormattableMarkup('Link to href %href found.', [
    '%href' => $href,
  ]));
  $cache_tags_header = $this->drupalGetHeader('X-Drupal-Cache-Tags');
  $cache_tags = explode(' ', $cache_tags_header);
  $this->assertContains('aggregator_feed:' . $feed->id(), $cache_tags);
  // Visit that page.
  $this->drupalGet($feed->toUrl()
    ->getInternalPath());
  $correct_titles = $this->xpath('//h1[normalize-space(text())=:title]', [
    ':title' => $feed->label(),
  ]);
  $this->assertFalse(empty($correct_titles), 'Aggregator feed page is available and has the correct title.');
  $cache_tags = explode(' ', $this->drupalGetHeader('X-Drupal-Cache-Tags'));
  $this->assertContains('aggregator_feed:' . $feed->id(), $cache_tags);
  $this->assertContains('aggregator_feed_view', $cache_tags);
  $this->assertContains('aggregator_item_view', $cache_tags);
  // Set the number of news items to 0 to test that the block does not show
  // up.
  $block->getPlugin()
    ->setConfigurationValue('block_count', 0);
  $block->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.');
}