// Clone the master credentials to a replica connection.
// Note this will result in two independent connection objects that happen
// to point to the same place.
$connection_info = Database::
getConnectionInfo('default'
);
Database::
addConnectionInfo('default', 'replica',
$connection_info['default'
]);
/** @var \Drupal\Core\Database\ReplicaKillSwitch $service */
$service = \Drupal::
service('database.replica_kill_switch'
);
$service->
trigger();
$class_loader =
require $this->root . '/autoload.php';
$kernel =
new DrupalKernel('testing',
$class_loader, FALSE
);
$event =
new RequestEvent($kernel, Request::
create('http://example.com'
), HttpKernelInterface::MAIN_REQUEST
);
$service->
checkReplicaServer($event);
$db1 = Database::
getConnection('default', 'default'
);
$db2 = Database::
getConnection('replica', 'default'
);
$this->
assertSame($db1,
$db2, 'System Init ignores secondaries when requested.'
);
// Makes sure that session value set right.
$session = \Drupal::
service('session'
);
$this->
assertTrue($session->
has('ignore_replica_server'
));
$expected = \Drupal::
time()->
getRequestTime() + Settings::
get('maximum_replication_lag', 300
);