class IntegrationTest

class IntegrationTest extends ViewTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'statistics',
    'statistics_test_views',
    'node',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Stores the user object that accesses the page.
   *
   * @var \Drupal\user\UserInterface
   */
  protected $webUser;
  
  /**
   * A test user with node viewing access only.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $deniedUser;
  
  /**
   * Stores the node object which is used by the test.
   *
   * @var \Drupal\node\Entity\Node
   */
  protected $node;
  
  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $testViews = [
    'test_statistics_integration',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp($import_test_views = TRUE, $modules = [
    'statistics_test_views',
  ]) : void {
    parent::setUp($import_test_views, $modules);
    // Create a new user for viewing nodes and statistics.
    $this->webUser = $this->drupalCreateUser([
      'access content',
      'view post access counter',
    ]);
    // Create a new user for viewing nodes only.
    $this->deniedUser = $this->drupalCreateUser([
      'access content',
    ]);
    $this->drupalCreateContentType([
      'type' => 'page',
    ]);
    $this->node = $this->drupalCreateNode([
      'type' => 'page',
    ]);
    // Enable counting of content views.
    $this->config('statistics.settings')
      ->set('count_content_views', 1)
      ->save();
  }
  
  /**
   * Tests the integration of the {node_counter} table in views.
   */
  public function testNodeCounterIntegration() {
    $this->drupalLogin($this->webUser);
    $this->drupalGet('node/' . $this->node
      ->id());
    // Manually calling statistics.php, simulating ajax behavior.
    // @see \Drupal\statistics\Tests\StatisticsLoggingTest::testLogging().
    global $base_url;
    $stats_path = $base_url . '/' . $this->getModulePath('statistics') . '/statistics.php';
    $client = $this->getHttpClient();
    $client->post($stats_path, [
      'form_params' => [
        'nid' => $this->node
          ->id(),
      ],
    ]);
    $this->drupalGet('test_statistics_integration');
    /** @var \Drupal\statistics\StatisticsViewsResult $statistics */
    $statistics = \Drupal::service('statistics.storage.node')->fetchView($this->node
      ->id());
    $this->assertSession()
      ->pageTextContains('Total views: 1');
    $this->assertSession()
      ->pageTextContains('Views today: 1');
    $this->assertSession()
      ->pageTextContains('Most recent view: ' . date('Y', $statistics->getTimestamp()));
    $this->drupalLogout();
    $this->drupalLogin($this->deniedUser);
    $this->drupalGet('test_statistics_integration');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->assertSession()
      ->pageTextNotContains('Total views:');
    $this->assertSession()
      ->pageTextNotContains('Views today:');
    $this->assertSession()
      ->pageTextNotContains('Most recent view:');
  }

}