function testDeleteSubscriptions()
{
$props = ['{http://calendarserver.org/ns/}source' => new \Sabre\DAV\Xml\Property\Href('http://example.org/cal.ics', false), '{DAV:}displayname' => 'cal', '{http://apple.com/ns/ical/}refreshrate' => 'P1W', '{http://apple.com/ns/ical/}calendar-color' => '#FF00FFFF', '{http://calendarserver.org/ns/}subscribed-strip-todos' => true, '{http://calendarserver.org/ns/}subscribed-strip-attachments' => true];
$backend = new PDO($this->pdo);
$backend->createSubscription('principals/user1', 'sub1', $props);
$newProps = ['{DAV:}displayname' => 'new displayname', '{http://calendarserver.org/ns/}source' => new \Sabre\DAV\Xml\Property\Href('http://example.org/cal2.ics', false)];
$backend->deleteSubscription(1);
$subs = $backend->getSubscriptionsForUser('principals/user1');
$this->assertEquals(0, count($subs));
}
