Chris@17: <?php
Chris@17: 
Chris@17: namespace Drupal\Tests\dblog\Kernel;
Chris@17: 
Chris@17: use Drupal\KernelTests\KernelTestBase;
Chris@17: use Drupal\Tests\dblog\Functional\FakeLogEntries;
Chris@17: 
Chris@17: /**
Chris@17:  * Generate events and verify dblog entries.
Chris@17:  *
Chris@17:  * @group dblog
Chris@17:  */
Chris@17: class DbLogTest extends KernelTestBase {
Chris@17: 
Chris@17:   use FakeLogEntries;
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   protected static $modules = ['dblog', 'system'];
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   protected function setUp() {
Chris@17:     parent::setUp();
Chris@17: 
Chris@17:     $this->installSchema('dblog', ['watchdog']);
Chris@17:     $this->installSchema('system', ['key_value_expire', 'sequences']);
Chris@17:     $this->installConfig(['system']);
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * Tests that cron correctly applies the database log row limit.
Chris@17:    */
Chris@17:   public function testDbLogCron() {
Chris@17:     $row_limit = 100;
Chris@17:     // Generate additional log entries.
Chris@17:     $this->generateLogEntries($row_limit + 10);
Chris@17:     // Verify that the database log row count exceeds the row limit.
Chris@17:     $count = db_query('SELECT COUNT(wid) FROM {watchdog}')->fetchField();
Chris@17:     $this->assertGreaterThan($row_limit, $count, format_string('Dblog row count of @count exceeds row limit of @limit', ['@count' => $count, '@limit' => $row_limit]));
Chris@17: 
Chris@17:     // Get the number of enabled modules. Cron adds a log entry for each module.
Chris@17:     $list = $this->container->get('module_handler')->getImplementations('cron');
Chris@17:     $module_count = count($list);
Chris@17:     $cron_detailed_count = $this->runCron();
Chris@17:     $this->assertEquals($module_count + 2, $cron_detailed_count, format_string('Cron added @count of @expected new log entries', ['@count' => $cron_detailed_count, '@expected' => $module_count + 2]));
Chris@17: 
Chris@17:     // Test disabling of detailed cron logging.
Chris@17:     $this->config('system.cron')->set('logging', 0)->save();
Chris@17:     $cron_count = $this->runCron();
Chris@17:     $this->assertEquals(1, $cron_count, format_string('Cron added @count of @expected new log entries', ['@count' => $cron_count, '@expected' => 1]));
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * Runs cron and returns number of new log entries.
Chris@17:    *
Chris@17:    * @return int
Chris@17:    *   Number of new watchdog entries.
Chris@17:    */
Chris@17:   private function runCron() {
Chris@17:     // Get last ID to compare against; log entries get deleted, so we can't
Chris@17:     // reliably add the number of newly created log entries to the current count
Chris@17:     // to measure number of log entries created by cron.
Chris@17:     $last_id = db_query('SELECT MAX(wid) FROM {watchdog}')->fetchField();
Chris@17: 
Chris@17:     // Run a cron job.
Chris@17:     $this->container->get('cron')->run();
Chris@17: 
Chris@17:     // Get last ID after cron was run.
Chris@17:     $current_id = db_query('SELECT MAX(wid) FROM {watchdog}')->fetchField();
Chris@17: 
Chris@17:     return $current_id - $last_id;
Chris@17:   }
Chris@17: 
Chris@17: }