StatisticsLoggingTest.php

<?php

namespace Drupal\Tests\statistics\FunctionalJavascript;

use Drupal\Core\Session\AccountInterface;
use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\user\Entity\Role;

/**
 * Tests that statistics works.
 *
 * @group system
 */
class StatisticsLoggingTest extends WebDriverTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'node',
        'statistics',
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * Node for tests.
     *
     * @var \Drupal\node\Entity\Node
     */
    protected $node;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->config('statistics.settings')
            ->set('count_content_views', 1)
            ->save();
        Role::load(AccountInterface::ANONYMOUS_ROLE)->grantPermission('view post access counter')
            ->save();
        // Add another language to enable multilingual path processor.
        ConfigurableLanguage::create([
            'id' => 'xx',
        ])->save();
        $this->config('language.negotiation')
            ->set('url.prefixes.en', 'en')
            ->save();
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $this->node = $this->drupalCreateNode();
    }
    
    /**
     * Tests that statistics works with different addressing variants.
     */
    public function testLoggingPage() {
        // At the first request, the page does not contain statistics counter.
        $this->assertNull($this->getStatisticsCounter('node/1'));
        $this->assertSame(1, $this->getStatisticsCounter('node/1'));
        $this->assertSame(2, $this->getStatisticsCounter('en/node/1'));
        $this->assertSame(3, $this->getStatisticsCounter('en/node/1'));
        $this->assertSame(4, $this->getStatisticsCounter('index.php/node/1'));
        $this->assertSame(5, $this->getStatisticsCounter('index.php/node/1'));
        $this->assertSame(6, $this->getStatisticsCounter('index.php/en/node/1'));
        $this->assertSame(7, $this->getStatisticsCounter('index.php/en/node/1'));
    }
    
    /**
     * Gets counter of views by path.
     *
     * @param string $path
     *   A path to node.
     *
     * @return int|null
     *   A counter of views. Returns NULL if the page does not contain statistics.
     */
    protected function getStatisticsCounter($path) {
        $this->drupalGet($path);
        // Wait while statistics module send ajax request.
        $this->assertSession()
            ->assertWaitOnAjaxRequest();
        // Resaving the node to call the hook_node_links_alter(), which is used to
        // update information on the page. See statistics_node_links_alter().
        $this->node
            ->save();
        $field_counter = $this->getSession()
            ->getPage()
            ->find('css', '.statistics-counter');
        return $field_counter ? (int) explode(' ', $field_counter->getText())[0] : NULL;
    }

}