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.');
}