function DbLogTest::testDbLogCron

Tests that cron correctly applies the database log row limit.

File

core/modules/dblog/tests/src/Kernel/DbLogTest.php, line 38

Class

DbLogTest

Generate events and verify dblog entries.

Namespace

Code

public function testDbLogCron() : void {
  $row_limit = 100;
  // Generate additional log entries.
  $this->generateLogEntries($row_limit + 10);
  // Verify that the database log row count exceeds the row limit.
  $count = Database::getConnection()->select('watchdog')
    ->countQuery()
    ->execute()
    ->fetchField();
  $this->assertGreaterThan($row_limit, $count, "Dblog row count of {$count} exceeds row limit of {$row_limit}");
  // Get the number of enabled modules. Cron adds a log entry for each module.
  $implementation_count = 0;
  \Drupal::moduleHandler()->invokeAllWith('cron', function (callable $hook, string $module) use (&$implementation_count) {
    $implementation_count++;
  });
  $cron_detailed_count = $this->runCron();
  $expected_count = $implementation_count + 2;
  $this->assertEquals($expected_count, $cron_detailed_count, "Cron added {$cron_detailed_count} of {$expected_count} new log entries");
  // Test disabling of detailed cron logging.
  $this->config('system.cron')
    ->set('logging', FALSE)
    ->save();
  $cron_count = $this->runCron();
  $this->assertEquals(1, $cron_count, "Cron added {$cron_count} of 1 new log entries");
}