class StatisticsReportsTest

class StatisticsReportsTest extends StatisticsTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests the "popular content" block.
     */
    public function testPopularContentBlock() {
        // Clear the block cache to load the Statistics module's block definitions.
        $this->container
            ->get('plugin.manager.block')
            ->clearCachedDefinitions();
        // Visit a node to have something show up in the block.
        $node = $this->drupalCreateNode([
            'type' => 'page',
            'uid' => $this->blockingUser
                ->id(),
        ]);
        $this->drupalGet('node/' . $node->id());
        // Manually calling statistics.php, simulating ajax behavior.
        $nid = $node->id();
        $post = http_build_query([
            'nid' => $nid,
        ]);
        $headers = [
            'Content-Type' => 'application/x-www-form-urlencoded',
        ];
        global $base_url;
        $stats_path = $base_url . '/' . drupal_get_path('module', 'statistics') . '/statistics.php';
        $client = \Drupal::httpClient();
        $client->post($stats_path, [
            'headers' => $headers,
            'body' => $post,
        ]);
        // Configure and save the block.
        $block = $this->drupalPlaceBlock('statistics_popular_block', [
            'label' => 'Popular content',
            'top_day_num' => 3,
            'top_all_num' => 3,
            'top_last_num' => 3,
        ]);
        // Get some page and check if the block is displayed.
        $this->drupalGet('user');
        $this->assertText('Popular content', 'Found the popular content block.');
        $this->assertText("Today's", "Found today's popular content.");
        $this->assertText('All time', 'Found the all time popular content.');
        $this->assertText('Last viewed', 'Found the last viewed popular content.');
        $tags = Cache::mergeTags($node->getCacheTags(), $block->getCacheTags());
        $tags = Cache::mergeTags($tags, $this->blockingUser
            ->getCacheTags());
        $tags = Cache::mergeTags($tags, [
            'block_view',
            'config:block_list',
            'node_list',
            'rendered',
            'user_view',
        ]);
        $this->assertCacheTags($tags);
        $contexts = Cache::mergeContexts($node->getCacheContexts(), $block->getCacheContexts());
        $contexts = Cache::mergeContexts($contexts, [
            'url.query_args:_wrapper_format',
        ]);
        $this->assertCacheContexts($contexts);
        // Check if the node link is displayed.
        $this->assertRaw(Link::fromTextAndUrl($node->label(), $node->toUrl('canonical'))
            ->toString(), 'Found link to visited node.');
    }

}