function DbLogTest::runCron

Runs cron and returns number of new log entries.

Return value

int Number of new watchdog entries.

File

core/modules/dblog/tests/src/Kernel/DbLogTest.php, line 64

Class

DbLogTest

Generate events and verify dblog entries.

Namespace

Code

private function runCron() {
    $connection = Database::getConnection();
    // Get last ID to compare against; log entries get deleted, so we can't
    // reliably add the number of newly created log entries to the current count
    // to measure number of log entries created by cron.
    $query = $connection->select('watchdog');
    $query->addExpression('MAX(wid)');
    $last_id = $query->execute()
        ->fetchField();
    // Run a cron job.
    $this->container
        ->get('cron')
        ->run();
    // Get last ID after cron was run.
    $query = $connection->select('watchdog');
    $query->addExpression('MAX(wid)');
    $current_id = $query->execute()
        ->fetchField();
    return $current_id - $last_id;
}