diff --git a/3rdparty b/3rdparty
index bbe556f5a3030e8ccf969ba7f54646226cccd5c2..f2974c2e72b2ad5ab7ae745936c4d866405d2b61 160000
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit bbe556f5a3030e8ccf969ba7f54646226cccd5c2
+Subproject commit f2974c2e72b2ad5ab7ae745936c4d866405d2b61
diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index fb608c2009de4555d18740a9d294a8bc6bb977de..d77c761a2cf608c9f29c81f328b22cc4f1b4be38 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -37,7 +37,6 @@ use Sabre\CalDAV\Backend\AbstractBackend;
 use Sabre\CalDAV\Backend\SchedulingSupport;
 use Sabre\CalDAV\Backend\SubscriptionSupport;
 use Sabre\CalDAV\Backend\SyncSupport;
-use Sabre\CalDAV\Plugin;
 use Sabre\CalDAV\Xml\Property\ScheduleCalendarTransp;
 use Sabre\CalDAV\Xml\Property\SupportedCalendarComponentSet;
 use Sabre\DAV;
@@ -236,6 +235,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
 				'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
 				'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
+				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $principalUri,
 			];
 
 			foreach($this->propertyMap as $xmlName=>$dbName) {
@@ -1658,7 +1658,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 				$it = new EventIterator($vObject, (string)$component->UID);
 				$maxDate = new \DateTime(self::MAX_DATE);
 				if ($it->isInfinite()) {
-					$lastOccurrence = $maxDate->getTimeStamp();
+					$lastOccurrence = $maxDate->getTimestamp();
 				} else {
 					$end = $it->getDtEnd();
 					while($it->valid() && $end < $maxDate) {
@@ -1666,7 +1666,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 						$it->next();
 
 					}
-					$lastOccurrence = $end->getTimeStamp();
+					$lastOccurrence = $end->getTimestamp();
 				}
 
 			}
diff --git a/apps/dav/lib/CalDAV/Calendar.php b/apps/dav/lib/CalDAV/Calendar.php
index fc08c9ac87a61f9788e960fe60ac15a37fbe1bef..9fedbe6f91f7bf86f2c4b79b914b24d925a7328a 100644
--- a/apps/dav/lib/CalDAV/Calendar.php
+++ b/apps/dav/lib/CalDAV/Calendar.php
@@ -153,7 +153,8 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 	}
 
 	function delete() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
+			$this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
 			$principal = 'principal:' . parent::getOwner();
 			$shares = $this->getShares();
 			$shares = array_filter($shares, function($share) use ($principal){
@@ -283,7 +284,11 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 	}
 
 	private function isShared() {
-		return isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']);
+		if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+			return false;
+		}
+
+		return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
 	}
 
 	public function isSubscription() {
diff --git a/apps/dav/lib/CalDAV/CalendarObject.php b/apps/dav/lib/CalDAV/CalendarObject.php
index db3c7e1929c85c87cc50a3e66300a7643a293f3d..6d429fa6bf5b61527d6f043f7f974a775d0fbb85 100644
--- a/apps/dav/lib/CalDAV/CalendarObject.php
+++ b/apps/dav/lib/CalDAV/CalendarObject.php
@@ -65,7 +65,7 @@ class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 			$vElement = $vObject->VTODO;
 		}
 		if(!is_null($vElement)) {
-			foreach ($vElement->children as &$property) {
+			foreach ($vElement->children() as &$property) {
 				/** @var Property $property */
 				switch($property->name) {
 					case 'CREATED':
diff --git a/apps/dav/lib/CalDAV/Plugin.php b/apps/dav/lib/CalDAV/Plugin.php
new file mode 100644
index 0000000000000000000000000000000000000000..5172cea6e279cdf87381f1aa55eb0d3d927d983d
--- /dev/null
+++ b/apps/dav/lib/CalDAV/Plugin.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, ownCloud GmbH.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\DAV\CalDAV;
+
+use Sabre\HTTP\URLUtil;
+
+class Plugin extends \Sabre\CalDAV\Plugin {
+
+	/**
+	 * @inheritdoc
+	 */
+	function getCalendarHomeForPrincipal($principalUrl) {
+
+		if (strrpos($principalUrl, 'principals/users', -strlen($principalUrl)) !== false) {
+			list(, $principalId) = URLUtil::splitPath($principalUrl);
+			return self::CALENDAR_ROOT .'/' . $principalId;
+		}
+
+		return;
+	}
+
+}
diff --git a/apps/dav/lib/CalDAV/Schedule/Plugin.php b/apps/dav/lib/CalDAV/Schedule/Plugin.php
new file mode 100644
index 0000000000000000000000000000000000000000..ad55a2756b0ea95da86a00ccedcd11dc8e1b7ed7
--- /dev/null
+++ b/apps/dav/lib/CalDAV/Schedule/Plugin.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\CalDAV\Schedule;
+
+class Plugin extends \Sabre\CalDAV\Schedule\Plugin {
+
+	/**
+	 * Returns a list of addresses that are associated with a principal.
+	 *
+	 * @param string $principal
+	 * @return array
+	 */
+	protected function getAddressesForPrincipal($principal) {
+		$result = parent::getAddressesForPrincipal($principal);
+
+		if ($result === null) {
+			$result = [];
+		}
+
+		return $result;
+	}
+}
diff --git a/apps/dav/lib/CardDAV/AddressBookImpl.php b/apps/dav/lib/CardDAV/AddressBookImpl.php
index 9de54eec33da9c983264135837ac233f6ac1bd4f..c650f6c30be06ec890a1dc19a1a553a8de766759 100644
--- a/apps/dav/lib/CardDAV/AddressBookImpl.php
+++ b/apps/dav/lib/CardDAV/AddressBookImpl.php
@@ -29,7 +29,6 @@ use OCP\IAddressBook;
 use OCP\IURLGenerator;
 use Sabre\VObject\Component\VCard;
 use Sabre\VObject\Property;
-use Sabre\VObject\Property\Text;
 use Sabre\VObject\Reader;
 use Sabre\VObject\UUIDUtil;
 
@@ -209,7 +208,7 @@ class AddressBookImpl implements IAddressBook {
 	 */
 	protected function createEmptyVCard($uid) {
 		$vCard = new VCard();
-		$vCard->add(new Text($vCard, 'UID', $uid));
+		$vCard->UID = $uid;
 		return $vCard;
 	}
 
@@ -225,8 +224,7 @@ class AddressBookImpl implements IAddressBook {
 			'URI' => $uri,
 		];
 
-		foreach ($vCard->children as $property) {
-			/** @var \Sabre\VObject\Property\Unknown $property */
+		foreach ($vCard->children() as $property) {
 			if ($property->name === 'PHOTO' && $property->getValueType() === 'BINARY') {
 				$url = $this->urlGenerator->getAbsoluteURL(
 					$this->urlGenerator->linkTo('', 'remote.php') . '/dav/');
diff --git a/apps/dav/lib/CardDAV/CardDavBackend.php b/apps/dav/lib/CardDAV/CardDavBackend.php
index de717a176427d8626985be6475542c6b940f22c1..a320984c1fe534fad84ed05d2da3eadec38525aa 100644
--- a/apps/dav/lib/CardDAV/CardDavBackend.php
+++ b/apps/dav/lib/CardDAV/CardDavBackend.php
@@ -957,7 +957,7 @@ class CardDavBackend implements BackendInterface, SyncSupport {
 				]
 			);
 
-		foreach ($vCard->children as $property) {
+		foreach ($vCard->children() as $property) {
 			if(!in_array($property->name, self::$indexProperties)) {
 				continue;
 			}
diff --git a/apps/dav/lib/CardDAV/Converter.php b/apps/dav/lib/CardDAV/Converter.php
index 0f4a6fb3f08320d22c1378d85071d18b06a27298..d1fb754017e17f68ce5ce452ff1e2c41a540fc40 100644
--- a/apps/dav/lib/CardDAV/Converter.php
+++ b/apps/dav/lib/CardDAV/Converter.php
@@ -43,16 +43,17 @@ class Converter {
 		$image = $this->getAvatarImage($user);
 
 		$vCard = new VCard();
-		$vCard->add(new Text($vCard, 'UID', $uid));
+		$vCard->VERSION = '3.0';
+		$vCard->UID = $uid;
 		if (!empty($displayName)) {
-			$vCard->add(new Text($vCard, 'FN', $displayName));
-			$vCard->add(new Text($vCard, 'N', $this->splitFullName($displayName)));
+			$vCard->FN = $displayName;
+			$vCard->N = $this->splitFullName($displayName);
 		}
 		if (!empty($emailAddress)) {
 			$vCard->add(new Text($vCard, 'EMAIL', $emailAddress, ['TYPE' => 'OTHER']));
 		}
 		if (!empty($cloudId)) {
-			$vCard->add(new Text($vCard, 'CLOUD', $cloudId));
+			$vCard->CLOUD = $cloudId;
 		}
 		if ($image) {
 			$vCard->add('PHOTO', $image->data(), ['ENCODING' => 'b', 'TYPE' => $image->mimeType()]);
diff --git a/apps/dav/lib/Connector/Sabre/DavAclPlugin.php b/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
index 6b6d78932628ad3bbe7c8f1e1c34a1b337fdc76c..244394ec6fcb8dacb9802c90f2ed2bc54a14f660 100644
--- a/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
+++ b/apps/dav/lib/Connector/Sabre/DavAclPlugin.php
@@ -44,6 +44,7 @@ use Sabre\HTTP\URLUtil;
 class DavAclPlugin extends \Sabre\DAVACL\Plugin {
 	public function __construct() {
 		$this->hideNodesFromListings = true;
+		$this->allowUnauthenticatedAccess = false;
 	}
 
 	function checkPrivileges($uri, $privileges, $recursion = self::R_PARENT, $throwExceptions = true) {
diff --git a/apps/dav/lib/Files/RootCollection.php b/apps/dav/lib/Files/RootCollection.php
index 57802d1957393aacdbd3fc1fcfeb8ae03da64143..345015530e249c5d1dcee8dab650a071390bf754 100644
--- a/apps/dav/lib/Files/RootCollection.php
+++ b/apps/dav/lib/Files/RootCollection.php
@@ -40,7 +40,7 @@ class RootCollection extends AbstractPrincipalCollection {
 	function getChildForPrincipal(array $principalInfo) {
 		list(,$name) = URLUtil::splitPath($principalInfo['uri']);
 		$user = \OC::$server->getUserSession()->getUser();
-		if ($name !== $user->getUID()) {
+		if (is_null($user) || $name !== $user->getUID()) {
 			// a user is only allowed to see their own home contents, so in case another collection
 			// is accessed, we return a simple empty collection for now
 			// in the future this could be considered to be used for accessing shared files
diff --git a/apps/dav/lib/Server.php b/apps/dav/lib/Server.php
index 68a3731c300d6f3029f25be1d9a0a65514b9f719..fca4d0ce209fb327750acf45a1be731f34e9c78d 100644
--- a/apps/dav/lib/Server.php
+++ b/apps/dav/lib/Server.php
@@ -116,16 +116,16 @@ class Server {
 		$this->server->addPlugin($acl);
 
 		// calendar plugins
-		$this->server->addPlugin(new \Sabre\CalDAV\Plugin());
+		$this->server->addPlugin(new \OCA\DAV\CalDAV\Plugin());
 		$this->server->addPlugin(new \Sabre\CalDAV\ICSExportPlugin());
-		$this->server->addPlugin(new \Sabre\CalDAV\Schedule\Plugin());
+		$this->server->addPlugin(new \OCA\DAV\CalDAV\Schedule\Plugin());
 		$this->server->addPlugin(new IMipPlugin($mailer, $logger));
 		$this->server->addPlugin(new \Sabre\CalDAV\Subscriptions\Plugin());
 		$this->server->addPlugin(new \Sabre\CalDAV\Notifications\Plugin());
 		$this->server->addPlugin(new DAV\Sharing\Plugin($authBackend, \OC::$server->getRequest()));
 		$this->server->addPlugin(new \OCA\DAV\CalDAV\Publishing\PublishPlugin(
 			\OC::$server->getConfig(),
-			\OC::$server->getUrlGenerator()
+			\OC::$server->getURLGenerator()
 		));
 
 		// addressbook plugins
diff --git a/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php b/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
index b5e700e8bc4f8683c18319639ee7830eaf0b5bb5..bd6c9f27886d4a49565db21d5c58ea342ce996de 100644
--- a/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
+++ b/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
@@ -463,8 +463,8 @@ EOD;
 
 	public function providesCalDataForGetDenormalizedData() {
 		return [
-			'first occurrence before unix epoch starts' => [0, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nDTSTART;VALUE=DATE:16040222\r\nDTEND;VALUE=DATE:16040223\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
-			'no first occurrence because yearly' => [null, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+			'first occurrence before unix epoch starts' => [0, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nDTSTART;VALUE=DATE:16040222\r\nDTEND;VALUE=DATE:16040223\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+			'no first occurrence because yearly' => [null, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
 			'CLASS:PRIVATE' => [CalDavBackend::CLASSIFICATION_PRIVATE, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:PRIVATE\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
 			'CLASS:PUBLIC' => [CalDavBackend::CLASSIFICATION_PUBLIC, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:PUBLIC\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
 			'CLASS:CONFIDENTIAL' => [CalDavBackend::CLASSIFICATION_CONFIDENTIAL, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:CONFIDENTIAL\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
diff --git a/apps/dav/tests/unit/CalDAV/CalendarTest.php b/apps/dav/tests/unit/CalDAV/CalendarTest.php
index a11d8dd96ea668684755fd60ca35a8feb78765ee..e585a23a9a201c657cb885e9e688f89fd927c06f 100644
--- a/apps/dav/tests/unit/CalDAV/CalendarTest.php
+++ b/apps/dav/tests/unit/CalDAV/CalendarTest.php
@@ -50,7 +50,7 @@ class CalendarTest extends TestCase {
 
 	public function testDelete() {
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->once())->method('updateShares');
 		$backend->expects($this->any())->method('getShares')->willReturn([
 			['href' => 'principal:user2']
@@ -70,7 +70,7 @@ class CalendarTest extends TestCase {
 	 */
 	public function testDeleteFromGroup() {
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->never())->method('updateShares');
 		$backend->expects($this->any())->method('getShares')->willReturn([
 			['href' => 'principal:group2']
@@ -85,6 +85,25 @@ class CalendarTest extends TestCase {
 		$c->delete();
 	}
 
+	public function testDeleteOwn() {
+		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
+		$backend = $this->createMock(CalDavBackend::class);
+		$backend->expects($this->never())->method('updateShares');
+		$backend->expects($this->never())->method('getShares');
+
+		$backend->expects($this->once())->method('deleteCalendar')
+			->with(666);
+
+		$calendarInfo = [
+			'{http://owncloud.org/ns}owner-principal' => 'user1',
+			'principaluri' => 'user1',
+			'id' => 666,
+			'uri' => 'cal',
+		];
+		$c = new Calendar($backend, $calendarInfo, $this->l10n);
+		$c->delete();
+	}
+
 	public function dataPropPatch() {
 		return [
 			[[], true],
@@ -106,7 +125,7 @@ class CalendarTest extends TestCase {
 	 */
 	public function testPropPatch($mutations, $throws) {
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$calendarInfo = [
 			'{http://owncloud.org/ns}owner-principal' => 'user1',
 			'principaluri' => 'user2',
@@ -129,7 +148,7 @@ class CalendarTest extends TestCase {
 	 */
 	public function testAcl($expectsWrite, $readOnlyValue, $hasOwnerSet, $uri = 'default') {
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->any())->method('applyShareAcl')->willReturnArgument(1);
 		$calendarInfo = [
 			'principaluri' => 'user2',
@@ -204,7 +223,7 @@ class CalendarTest extends TestCase {
 		$calObject2 = ['uri' => 'event-2', 'classification' => CalDavBackend::CLASSIFICATION_PRIVATE];
 
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->any())->method('getCalendarObjects')->willReturn([
 			$calObject0, $calObject1, $calObject2
 		]);
@@ -291,7 +310,7 @@ EOD;
 		$calObject2 = ['uri' => 'event-2', 'classification' => CalDavBackend::CLASSIFICATION_PRIVATE];
 
 		/** @var \PHPUnit_Framework_MockObject_MockObject | CalDavBackend $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CalDAV\CalDavBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CalDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->any())->method('getCalendarObjects')->willReturn([
 			$calObject0, $calObject1, $calObject2
 		]);
diff --git a/apps/dav/tests/unit/CalDAV/PluginTest.php b/apps/dav/tests/unit/CalDAV/PluginTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..d0330af402a8bde2f6711c474f87ed97399e92ee
--- /dev/null
+++ b/apps/dav/tests/unit/CalDAV/PluginTest.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Tests\unit\CalDAV;
+
+use OCA\DAV\CalDAV\Plugin;
+use Test\TestCase;
+
+class PluginTest extends TestCase  {
+	/** @var Plugin */
+	private $plugin;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->plugin = new Plugin();
+	}
+
+	public function linkProvider() {
+		return [
+			[
+				'principals/users/MyUserName',
+				'calendars/MyUserName',
+			],
+			[
+				'FooFoo',
+				null,
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider linkProvider
+	 *
+	 * @param $input
+	 * @param $expected
+	 */
+	public function testGetCalendarHomeForPrincipal($input, $expected) {
+		$this->assertSame($expected, $this->plugin->getCalendarHomeForPrincipal($input));
+	}
+
+}
diff --git a/apps/dav/tests/unit/CalDAV/Schedule/PluginTest.php b/apps/dav/tests/unit/CalDAV/Schedule/PluginTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..6df8d2da2a218e7fa5ae58e04e285f06d6db878a
--- /dev/null
+++ b/apps/dav/tests/unit/CalDAV/Schedule/PluginTest.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Tests\unit\CalDAV\Schedule;
+
+use OCA\DAV\CalDAV\Schedule\Plugin;
+use Sabre\DAV\Server;
+use Sabre\DAV\Xml\Property\Href;
+use Test\TestCase;
+
+class PluginTest extends TestCase  {
+	/** @var Plugin */
+	private $plugin;
+	/** @var Server|\PHPUnit_Framework_MockObject_MockObject */
+	private $server;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->server = $this->createMock(Server::class);
+
+		$this->plugin = new Plugin();
+		$this->plugin->initialize($this->server);
+	}
+
+	public function testGetAddressesForPrincipal() {
+		$href = $this->createMock(Href::class);
+		$href
+			->expects($this->once())
+			->method('getHrefs')
+			->willReturn(['lukas@nextcloud.com', 'rullzer@nextcloud.com']);
+		$this->server
+			->expects($this->once())
+			->method('getProperties')
+			->with(
+				'MyPrincipal',
+				[
+					'{urn:ietf:params:xml:ns:caldav}calendar-user-address-set',
+				]
+			)
+			->willReturn([
+				'{urn:ietf:params:xml:ns:caldav}calendar-user-address-set' => $href
+			]);
+
+		$result = $this->invokePrivate($this->plugin, 'getAddressesForPrincipal', ['MyPrincipal']);
+		$this->assertSame(['lukas@nextcloud.com', 'rullzer@nextcloud.com'], $result);
+	}
+
+
+	public function testGetAddressesForPrincipalEmpty() {
+		$this->server
+			->expects($this->once())
+			->method('getProperties')
+			->with(
+				'MyPrincipal',
+				[
+					'{urn:ietf:params:xml:ns:caldav}calendar-user-address-set',
+				]
+			)
+			->willReturn(null);
+
+		$result = $this->invokePrivate($this->plugin, 'getAddressesForPrincipal', ['MyPrincipal']);
+		$this->assertSame([], $result);
+	}
+}
diff --git a/apps/dav/tests/unit/CardDAV/AddressBookImplTest.php b/apps/dav/tests/unit/CardDAV/AddressBookImplTest.php
index fa3cae27dece9b70a5cc200cbbc11023064034f9..172b341bd79f3de8bcbe11c205c4cf09afb6d058 100644
--- a/apps/dav/tests/unit/CardDAV/AddressBookImplTest.php
+++ b/apps/dav/tests/unit/CardDAV/AddressBookImplTest.php
@@ -31,6 +31,7 @@ namespace OCA\DAV\Tests\unit\CardDAV;
 use OCA\DAV\CardDAV\AddressBook;
 use OCA\DAV\CardDAV\AddressBookImpl;
 use OCA\DAV\CardDAV\CardDavBackend;
+use OCP\IURLGenerator;
 use Sabre\VObject\Component\VCard;
 use Sabre\VObject\Property\Text;
 use Test\TestCase;
@@ -46,7 +47,7 @@ class AddressBookImplTest extends TestCase {
 	/** @var  AddressBook | \PHPUnit_Framework_MockObject_MockObject */
 	private $addressBook;
 
-	/** @var \OCP\IURLGenerator | \PHPUnit_Framework_MockObject_MockObject */
+	/** @var IURLGenerator | \PHPUnit_Framework_MockObject_MockObject */
 	private $urlGenerator;
 
 	/** @var  CardDavBackend | \PHPUnit_Framework_MockObject_MockObject */
@@ -64,16 +65,12 @@ class AddressBookImplTest extends TestCase {
 			'principaluri' => 'principals/system/system',
 			'{DAV:}displayname' => 'display name',
 		];
-		$this->addressBook = $this->getMockBuilder('OCA\DAV\CardDAV\AddressBook')
+		$this->addressBook = $this->getMockBuilder(AddressBook::class)
 			->disableOriginalConstructor()->getMock();
-		$this->backend = $this->getMockBuilder('\OCA\DAV\CardDAV\CardDavBackend')
+		$this->backend = $this->getMockBuilder(CardDavBackend::class)
 			->disableOriginalConstructor()->getMock();
-		$this->vCard = $this->getMockBuilder('Sabre\VObject\Component\VCard')
-			->disableOriginalConstructor()
-			->getMock();
-		$this->urlGenerator = $this->getMockBuilder('OCP\IURLGenerator')
-			->disableOriginalConstructor()
-			->getMock();
+		$this->vCard = $this->createMock(VCard::class);
+		$this->urlGenerator = $this->createMock(IURLGenerator::class);
 
 		$this->addressBookImpl = new AddressBookImpl(
 			$this->addressBook,
@@ -96,7 +93,7 @@ class AddressBookImplTest extends TestCase {
 	public function testSearch() {
 
 		/** @var \PHPUnit_Framework_MockObject_MockObject | AddressBookImpl $addressBookImpl */
-		$addressBookImpl = $this->getMockBuilder('OCA\DAV\CardDAV\AddressBookImpl')
+		$addressBookImpl = $this->getMockBuilder(AddressBookImpl::class)
 			->setConstructorArgs(
 				[
 					$this->addressBook,
@@ -143,7 +140,7 @@ class AddressBookImplTest extends TestCase {
 		$uid = 'uid';
 
 		/** @var \PHPUnit_Framework_MockObject_MockObject | AddressBookImpl $addressBookImpl */
-		$addressBookImpl = $this->getMockBuilder('OCA\DAV\CardDAV\AddressBookImpl')
+		$addressBookImpl = $this->getMockBuilder(AddressBookImpl::class)
 			->setConstructorArgs(
 				[
 					$this->addressBook,
@@ -184,7 +181,7 @@ class AddressBookImplTest extends TestCase {
 		$properties = ['URI' => $uri, 'UID' => $uid, 'FN' => 'John Doe'];
 
 		/** @var \PHPUnit_Framework_MockObject_MockObject | AddressBookImpl $addressBookImpl */
-		$addressBookImpl = $this->getMockBuilder('OCA\DAV\CardDAV\AddressBookImpl')
+		$addressBookImpl = $this->getMockBuilder(AddressBookImpl::class)
 			->setConstructorArgs(
 				[
 					$this->addressBook,
@@ -267,7 +264,7 @@ class AddressBookImplTest extends TestCase {
 
 	public function testCreateUid() {
 		/** @var \PHPUnit_Framework_MockObject_MockObject | AddressBookImpl $addressBookImpl */
-		$addressBookImpl = $this->getMockBuilder('OCA\DAV\CardDAV\AddressBookImpl')
+		$addressBookImpl = $this->getMockBuilder(AddressBookImpl::class)
 			->setConstructorArgs(
 				[
 					$this->addressBook,
@@ -299,7 +296,7 @@ class AddressBookImplTest extends TestCase {
 	public function testCreateEmptyVCard() {
 		$uid = 'uid';
 		$expectedVCard = new VCard();
-		$expectedVCard->add(new Text($expectedVCard, 'UID', $uid));
+		$expectedVCard->UID = $uid;
 		$expectedVCardSerialized = $expectedVCard->serialize();
 
 		$result = $this->invokePrivate($this->addressBookImpl, 'createEmptyVCard', [$uid]);
@@ -335,10 +332,11 @@ class AddressBookImplTest extends TestCase {
 
 		$array = $this->invokePrivate($this->addressBookImpl, 'vCard2Array', ['uri', $vCard]);
 		unset($array['PRODID']);
+		unset($array['UID']);
 
 		$this->assertEquals([
 			'URI' => 'uri',
-			'VERSION' => '3.0',
+			'VERSION' => '4.0',
 			'FN' => 'Full Name',
 			'CLOUD' => [
 				'cloud-user1@localhost',
diff --git a/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php b/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
index 40a6330ddb83eecce72ec89a2503414c9df47bcd..8f8d02f98909a2d58065e701e2cbed81b538cfbb 100644
--- a/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
+++ b/apps/dav/tests/unit/CardDAV/BirthdayServiceTest.php
@@ -126,9 +126,9 @@ class BirthdayServiceTest extends TestCase {
 		if ($expectedOp === 'create') {
 			$service->expects($this->exactly(3))->method('buildDateFromContact')->willReturn(new VCalendar());
 			$this->calDav->expects($this->exactly(3))->method('createCalendarObject')->withConsecutive(
-				[1234, 'default-gump.vcf.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
-				[1234, 'default-gump.vcf-death.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
-				[1234, 'default-gump.vcf-anniversary.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"]
+				[1234, 'default-gump.vcf.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
+				[1234, 'default-gump.vcf-death.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
+				[1234, 'default-gump.vcf-anniversary.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"]
 				);
 		}
 		if ($expectedOp === 'update') {
@@ -136,9 +136,9 @@ class BirthdayServiceTest extends TestCase {
 			$service->expects($this->exactly(3))->method('birthdayEvenChanged')->willReturn(true);
 			$this->calDav->expects($this->exactly(3))->method('getCalendarObject')->willReturn(['calendardata' => '']);
 			$this->calDav->expects($this->exactly(3))->method('updateCalendarObject')->withConsecutive(
-				[1234, 'default-gump.vcf.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
-				[1234, 'default-gump.vcf-death.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
-				[1234, 'default-gump.vcf-anniversary.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"]
+				[1234, 'default-gump.vcf.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
+				[1234, 'default-gump.vcf-death.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"],
+				[1234, 'default-gump.vcf-anniversary.ics', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nEND:VCALENDAR\r\n"]
 				);
 		}
 
@@ -210,16 +210,16 @@ class BirthdayServiceTest extends TestCase {
 		return [
 			[true,
 				'',
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
 			[false,
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
 			[true,
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:4567's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:4567's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
 			[true,
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
-				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000102\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"]
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000101\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n",
+				"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:12345\r\nDTSTAMP:20160218T133704Z\r\nDTSTART;VALUE=DATE:19000102\r\nDTEND;VALUE=DATE:19000102\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:12345's Birthday (1900)\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"]
 		];
 	}
 
@@ -236,10 +236,10 @@ class BirthdayServiceTest extends TestCase {
 			[true, null],
 			[true, ''],
 			[true, 'yasfewf'],
-			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
-			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
-			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:someday\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
-			[false, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:1900-01-01\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+			[true, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:someday\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+			[false, "BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nBDAY:1900-01-01\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
 		];
 	}
 }
diff --git a/apps/dav/tests/unit/CardDAV/CardDavBackendTest.php b/apps/dav/tests/unit/CardDAV/CardDavBackendTest.php
index 890b70d6afa7f6ce2265c135fa09725c2cad4a4d..f4c321fa6d0e77c1b517a483fe3a13ad4472f175 100644
--- a/apps/dav/tests/unit/CardDAV/CardDavBackendTest.php
+++ b/apps/dav/tests/unit/CardDAV/CardDavBackendTest.php
@@ -169,7 +169,7 @@ class CardDavBackendTest extends TestCase {
 	public function testCardOperations() {
 
 		/** @var CardDavBackend | \PHPUnit_Framework_MockObject_MockObject $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')
+		$backend = $this->getMockBuilder(CardDavBackend::class)
 				->setConstructorArgs([$this->db, $this->principal, $this->userManager, null])
 				->setMethods(['updateProperties', 'purgeProperties'])->getMock();
 
@@ -215,7 +215,7 @@ class CardDavBackendTest extends TestCase {
 
 	public function testMultiCard() {
 
-		$this->backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')
+		$this->backend = $this->getMockBuilder(CardDavBackend::class)
 			->setConstructorArgs([$this->db, $this->principal, $this->userManager, null])
 			->setMethods(['updateProperties'])->getMock();
 
@@ -261,8 +261,7 @@ class CardDavBackendTest extends TestCase {
 	}
 
 	public function testDeleteWithoutCard() {
-
-		$this->backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')
+		$this->backend = $this->getMockBuilder(CardDavBackend::class)
 			->setConstructorArgs([$this->db, $this->principal, $this->userManager, null])
 			->setMethods([
 				'getCardId',
@@ -302,8 +301,7 @@ class CardDavBackendTest extends TestCase {
 	}
 
 	public function testSyncSupport() {
-
-		$this->backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')
+		$this->backend = $this->getMockBuilder(CardDavBackend::class)
 			->setConstructorArgs([$this->db, $this->principal, $this->userManager, null])
 			->setMethods(['updateProperties'])->getMock();
 
@@ -362,7 +360,7 @@ class CardDavBackendTest extends TestCase {
 		$cardUri = 'card-uri';
 		$cardId = 2;
 
-		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDavBackend')
+		$backend = $this->getMockBuilder(CardDavBackend::class)
 			->setConstructorArgs([$this->db, $this->principal, $this->userManager, null])
 			->setMethods(['getCardId'])->getMock();
 
@@ -370,8 +368,8 @@ class CardDavBackendTest extends TestCase {
 
 		// add properties for new vCard
 		$vCard = new VCard();
-		$vCard->add(new Text($vCard, 'UID', $cardUri));
-		$vCard->add(new Text($vCard, 'FN', 'John Doe'));
+		$vCard->UID = $cardUri;
+		$vCard->FN = 'John Doe';
 		$this->invokePrivate($backend, 'updateProperties', [$bookId, $cardUri, $vCard->serialize()]);
 
 		$query = $this->db->getQueryBuilder();
@@ -391,7 +389,7 @@ class CardDavBackendTest extends TestCase {
 
 		// update properties for existing vCard
 		$vCard = new VCard();
-		$vCard->add(new Text($vCard, 'FN', 'John Doe'));
+		$vCard->UID = $cardUri;
 		$this->invokePrivate($backend, 'updateProperties', [$bookId, $cardUri, $vCard->serialize()]);
 
 		$query = $this->db->getQueryBuilder();
@@ -399,8 +397,8 @@ class CardDavBackendTest extends TestCase {
 
 		$this->assertSame(1, count($result));
 
-		$this->assertSame('FN', $result[0]['name']);
-		$this->assertSame('John Doe', $result[0]['value']);
+		$this->assertSame('UID', $result[0]['name']);
+		$this->assertSame($cardUri, $result[0]['value']);
 		$this->assertSame($bookId, (int)$result[0]['addressbookid']);
 		$this->assertSame($cardId, (int)$result[0]['cardid']);
 	}
diff --git a/apps/dav/tests/unit/CardDAV/ConverterTest.php b/apps/dav/tests/unit/CardDAV/ConverterTest.php
index 0e4502b9c0a66f6e3a651324fabfd7e98ac632ac..7737b999507e452721ee5a6f581f29b6e3ee8a19 100644
--- a/apps/dav/tests/unit/CardDAV/ConverterTest.php
+++ b/apps/dav/tests/unit/CardDAV/ConverterTest.php
@@ -25,6 +25,9 @@
 namespace OCA\DAV\Tests\unit\CardDAV;
 
 use OCA\DAV\CardDAV\Converter;
+use OCP\IImage;
+use OCP\IUser;
+use PHPUnit_Framework_MockObject_MockObject;
 use Test\TestCase;
 
 class ConverterTest extends  TestCase {
@@ -44,10 +47,10 @@ class ConverterTest extends  TestCase {
 
 	public function providesNewUsers() {
 		return [
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n"],
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nEMAIL;TYPE=OTHER:foo@bar.net\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar", "foo@bar.net"],
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nCLOUD:foo@bar.net\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar", null, "foo@bar.net"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nEMAIL;TYPE=OTHER:foo@bar.net\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar", "foo@bar.net"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:Dr. Foo Bar\r\nN:Bar;Dr.;Foo;;\r\nCLOUD:foo@bar.net\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU2Nzg5\r\nEND:VCARD\r\n", "Dr. Foo Bar", null, "foo@bar.net"],
 		];
 	}
 
@@ -91,9 +94,9 @@ class ConverterTest extends  TestCase {
 
 	public function providesUsersForUpdateOfRemovedElement() {
 		return [
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar", "foo@bar.net"],
-				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar", null, "foo@bar.net"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar", "foo@bar.net"],
+				["BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n", "Dr. Foo Bar", null, "foo@bar.net"],
 		];
 	}
 
@@ -122,13 +125,13 @@ class ConverterTest extends  TestCase {
 	 * @param $displayName
 	 * @param $eMailAddress
 	 * @param $cloudId
-	 * @return \PHPUnit_Framework_MockObject_MockObject
+	 * @return IUser | PHPUnit_Framework_MockObject_MockObject
 	 */
 	protected function getUserMock($displayName, $eMailAddress, $cloudId) {
-		$image0 = $this->getMockBuilder('OCP\IImage')->disableOriginalConstructor()->getMock();
+		$image0 = $this->getMockBuilder(IImage::class)->disableOriginalConstructor()->getMock();
 		$image0->method('mimeType')->willReturn('JPEG');
 		$image0->method('data')->willReturn('123456789');
-		$user = $this->getMockBuilder('OCP\IUser')->disableOriginalConstructor()->getMock();
+		$user = $this->getMockBuilder(IUser::class)->disableOriginalConstructor()->getMock();
 		$user->method('getUID')->willReturn('12345');
 		$user->method('getDisplayName')->willReturn($displayName);
 		$user->method('getEMailAddress')->willReturn($eMailAddress);
diff --git a/apps/dav/tests/unit/CardDAV/ImageExportPluginTest.php b/apps/dav/tests/unit/CardDAV/ImageExportPluginTest.php
index e878cbd4f59c285eddb574cf9e984b8f901acb9d..fc4be1433fe0c7a8408126e1148406a3e0987b4f 100644
--- a/apps/dav/tests/unit/CardDAV/ImageExportPluginTest.php
+++ b/apps/dav/tests/unit/CardDAV/ImageExportPluginTest.php
@@ -159,36 +159,36 @@ class ImageExportPluginTest extends TestCase {
 			],
 			'vcard without PHOTO' => [
 				false,
-				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nEND:VCARD\r\n"
 			],
 			'vcard 3 with PHOTO' => [
 				[
 					'Content-Type' => 'image/jpeg',
 					'body' => '12345'
 				],
-				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU=\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;ENCODING=b;TYPE=JPEG:MTIzNDU=\r\nEND:VCARD\r\n"
 			],
 			'vcard 3 with PHOTO URL' => [
 				false,
-				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;TYPE=JPEG;VALUE=URI:http://example.com/photo.jpg\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:3.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;TYPE=JPEG;VALUE=URI:http://example.com/photo.jpg\r\nEND:VCARD\r\n"
 			],
 			'vcard 4 with PHOTO' => [
 				[
 					'Content-Type' => 'image/jpeg',
 					'body' => '12345'
 				],
-				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO:data:image/jpeg;base64,MTIzNDU=\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO:data:image/jpeg;base64,MTIzNDU=\r\nEND:VCARD\r\n"
 			],
 			'vcard 4 with PHOTO URL' => [
 				false,
-				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;MEDIATYPE=image/jpeg:http://example.org/photo.jpg\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO;MEDIATYPE=image/jpeg:http://example.org/photo.jpg\r\nEND:VCARD\r\n"
 			],
 			'vcard 4 with PHOTO AND INVALID MIMEtYPE' => [
 				[
 					'Content-Type' => 'application/octet-stream',
 					'body' => '12345'
 				],
-				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 3.5.0//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO:data:image/svg;base64,MTIzNDU=\r\nEND:VCARD\r\n"
+				"BEGIN:VCARD\r\nVERSION:4.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nUID:12345\r\nFN:12345\r\nN:12345;;;;\r\nPHOTO:data:image/svg;base64,MTIzNDU=\r\nEND:VCARD\r\n"
 			],
 		];
 	}
diff --git a/apps/dav/tests/unit/CardDAV/SyncServiceTest.php b/apps/dav/tests/unit/CardDAV/SyncServiceTest.php
index 62225dc293805eda73638aac51363fb705a9d654..e6a5ac1f16ab9dacb18487e3df47516b025b352d 100644
--- a/apps/dav/tests/unit/CardDAV/SyncServiceTest.php
+++ b/apps/dav/tests/unit/CardDAV/SyncServiceTest.php
@@ -68,7 +68,7 @@ class SyncServiceTest extends TestCase {
 
 	public function testEnsureSystemAddressBookExists() {
 		/** @var CardDavBackend | \PHPUnit_Framework_MockObject_MockObject $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDAVBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CardDavBackend::class)->disableOriginalConstructor()->getMock();
 		$backend->expects($this->exactly(1))->method('createAddressBook');
 		$backend->expects($this->at(0))->method('getAddressBooksByUri')->willReturn(null);
 		$backend->expects($this->at(1))->method('getAddressBooksByUri')->willReturn([]);
@@ -82,7 +82,7 @@ class SyncServiceTest extends TestCase {
 
 	public function testUpdateAndDeleteUser() {
 		/** @var CardDavBackend | \PHPUnit_Framework_MockObject_MockObject $backend */
-		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDAVBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CardDavBackend::class)->disableOriginalConstructor()->getMock();
 		$logger = $this->getMockBuilder('OCP\ILogger')->disableOriginalConstructor()->getMock();
 
 		$backend->expects($this->once())->method('createCard');
@@ -118,7 +118,9 @@ class SyncServiceTest extends TestCase {
 	 * @return \PHPUnit_Framework_MockObject_MockObject
 	 */
 	private function getBackendMock($createCount, $updateCount, $deleteCount) {
-		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDAVBackend')->disableOriginalConstructor()->getMock();
+		$backend = $this->getMockBuilder(CardDavBackend::class)
+			->disableOriginalConstructor()
+			->getMock();
 		$backend->expects($this->exactly($createCount))->method('createCard');
 		$backend->expects($this->exactly($updateCount))->method('updateCard');
 		$backend->expects($this->exactly($deleteCount))->method('deleteCard');
@@ -134,7 +136,7 @@ class SyncServiceTest extends TestCase {
 		$userManager = $this->getMockBuilder('OCP\IUserManager')->disableOriginalConstructor()->getMock();
 		$logger = $this->getMockBuilder('OCP\ILogger')->disableOriginalConstructor()->getMock();
 		/** @var SyncService | \PHPUnit_Framework_MockObject_MockObject $ss */
-		$ss = $this->getMockBuilder('OCA\DAV\CardDAV\SyncService')
+		$ss = $this->getMockBuilder(SyncService::class)
 			->setMethods(['ensureSystemAddressBookExists', 'requestSyncReport', 'download'])
 			->setConstructorArgs([$backend, $userManager, $logger])
 			->getMock();
diff --git a/apps/dav/tests/unit/Connector/Sabre/AuthTest.php b/apps/dav/tests/unit/Connector/Sabre/AuthTest.php
index 8d77fc03a8de05e9c7497eb4b4100f4ac0ae21ec..74b85b8a1c9c9a3d2225a37657681143d3503070 100644
--- a/apps/dav/tests/unit/Connector/Sabre/AuthTest.php
+++ b/apps/dav/tests/unit/Connector/Sabre/AuthTest.php
@@ -34,6 +34,8 @@ use OC\User\Session;
 use OCP\IRequest;
 use OCP\ISession;
 use OCP\IUser;
+use Sabre\HTTP\RequestInterface;
+use Sabre\HTTP\ResponseInterface;
 use Test\TestCase;
 
 /**
@@ -237,10 +239,10 @@ class AuthTest extends TestCase {
 	}
 
 	public function testAuthenticateAlreadyLoggedInWithoutCsrfTokenForNonGet() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 				->disableOriginalConstructor()
 				->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 				->disableOriginalConstructor()
 				->getMock();
 		$this->userSession
@@ -273,17 +275,17 @@ class AuthTest extends TestCase {
 
 		$expectedResponse = [
 			false,
-			"No 'Authorization: Basic' header found. Either the client didn't send one, or the server is mis-configured",
+			"No 'Authorization: Basic' header found. Either the client didn't send one, or the server is misconfigured",
 		];
 		$response = $this->auth->check($request, $response);
 		$this->assertSame($expectedResponse, $response);
 	}
 
 	public function testAuthenticateAlreadyLoggedInWithoutCsrfTokenAndCorrectlyDavAuthenticated() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -330,10 +332,10 @@ class AuthTest extends TestCase {
 	 * @expectedExceptionMessage 2FA challenge not passed.
 	 */
 	public function testAuthenticateAlreadyLoggedInWithoutTwoFactorChallengePassed() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -384,10 +386,10 @@ class AuthTest extends TestCase {
 	 * @expectedExceptionMessage CSRF check not passed.
 	 */
 	public function testAuthenticateAlreadyLoggedInWithoutCsrfTokenAndIncorrectlyDavAuthenticated() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -430,10 +432,10 @@ class AuthTest extends TestCase {
 	}
 
 	public function testAuthenticateAlreadyLoggedInWithoutCsrfTokenForNonGetAndDesktopClient() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -477,10 +479,10 @@ class AuthTest extends TestCase {
 	}
 
 	public function testAuthenticateAlreadyLoggedInWithoutCsrfTokenForGet() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -512,10 +514,10 @@ class AuthTest extends TestCase {
 	}
 
 	public function testAuthenticateAlreadyLoggedInWithCsrfTokenForGet() {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -550,14 +552,14 @@ class AuthTest extends TestCase {
 		$server = $this->getMockBuilder('\Sabre\DAV\Server')
 			->disableOriginalConstructor()
 			->getMock();
-		$server->httpRequest = $this->getMockBuilder('\Sabre\HTTP\RequestInterface')
+		$server->httpRequest = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$server->httpResponse = $this->getMockBuilder('\Sabre\HTTP\ResponseInterface')
+		$server->httpResponse = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$response = $this->auth->check($server->httpRequest, $server->httpResponse);
-		$this->assertEquals([false, 'No \'Authorization: Basic\' header found. Either the client didn\'t send one, or the server is mis-configured'], $response);
+		$this->assertEquals([false, 'No \'Authorization: Basic\' header found. Either the client didn\'t send one, or the server is misconfigured'], $response);
 	}
 
 	/**
@@ -566,11 +568,11 @@ class AuthTest extends TestCase {
 	 */
 	public function testAuthenticateNoBasicAuthenticateHeadersProvidedWithAjax() {
 		/** @var \Sabre\HTTP\RequestInterface $httpRequest */
-		$httpRequest = $this->getMockBuilder('\Sabre\HTTP\RequestInterface')
+		$httpRequest = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		/** @var \Sabre\HTTP\ResponseInterface $httpResponse */
-		$httpResponse = $this->getMockBuilder('\Sabre\HTTP\ResponseInterface')
+		$httpResponse = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -587,11 +589,11 @@ class AuthTest extends TestCase {
 
 	public function testAuthenticateNoBasicAuthenticateHeadersProvidedWithAjaxButUserIsStillLoggedIn() {
 		/** @var \Sabre\HTTP\RequestInterface $httpRequest */
-		$httpRequest = $this->getMockBuilder('\Sabre\HTTP\RequestInterface')
+		$httpRequest = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		/** @var \Sabre\HTTP\ResponseInterface $httpResponse */
-		$httpResponse = $this->getMockBuilder('\Sabre\HTTP\ResponseInterface')
+		$httpResponse = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		/** @var IUser */
@@ -631,7 +633,7 @@ class AuthTest extends TestCase {
 		$server = $this->getMockBuilder('\Sabre\DAV\Server')
 			->disableOriginalConstructor()
 			->getMock();
-		$server->httpRequest = $this->getMockBuilder('\Sabre\HTTP\RequestInterface')
+		$server->httpRequest = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$server->httpRequest
@@ -644,7 +646,7 @@ class AuthTest extends TestCase {
 			->method('getHeader')
 			->with('Authorization')
 			->will($this->returnValue('basic dXNlcm5hbWU6cGFzc3dvcmQ='));
-		$server->httpResponse = $this->getMockBuilder('\Sabre\HTTP\ResponseInterface')
+		$server->httpResponse = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
@@ -670,7 +672,7 @@ class AuthTest extends TestCase {
 		$server = $this->getMockBuilder('\Sabre\DAV\Server')
 			->disableOriginalConstructor()
 			->getMock();
-		$server->httpRequest = $this->getMockBuilder('\Sabre\HTTP\RequestInterface')
+		$server->httpRequest = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$server->httpRequest
@@ -683,7 +685,7 @@ class AuthTest extends TestCase {
 			->method('getHeader')
 			->with('Authorization')
 			->will($this->returnValue('basic dXNlcm5hbWU6cGFzc3dvcmQ='));
-		$server->httpResponse = $this->getMockBuilder('\Sabre\HTTP\ResponseInterface')
+		$server->httpResponse = $this->getMockBuilder(ResponseInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
 		$this->userSession
diff --git a/apps/dav/tests/unit/Connector/Sabre/FilesPluginTest.php b/apps/dav/tests/unit/Connector/Sabre/FilesPluginTest.php
index d39f709493e0d2bd40d7ffea430a40868cba4f77..d4e9ce9dd3e4b2864c6b4521da57732d3a96a8d3 100644
--- a/apps/dav/tests/unit/Connector/Sabre/FilesPluginTest.php
+++ b/apps/dav/tests/unit/Connector/Sabre/FilesPluginTest.php
@@ -29,6 +29,8 @@ use OCA\DAV\Connector\Sabre\FilesPlugin;
 use OCP\Files\StorageNotAvailableException;
 use Sabre\DAV\PropFind;
 use Sabre\DAV\PropPatch;
+use Sabre\HTTP\RequestInterface;
+use Sabre\HTTP\ResponseInterface;
 use Test\TestCase;
 
 /**
@@ -485,10 +487,10 @@ class FilesPluginTest extends TestCase {
 	 * @dataProvider downloadHeadersProvider
 	 */
 	public function testDownloadHeaders($isClumsyAgent, $contentDispositionHeader) {
-		$request = $this->getMockBuilder('Sabre\HTTP\RequestInterface')
+		$request = $this->getMockBuilder(RequestInterface::class)
 			->disableOriginalConstructor()
 			->getMock();
-		$response = $this->getMockBuilder('Sabre\HTTP\ResponseInterface')
+		$response = $this->getMockBuilder(ResponseInterface::class)
 				->disableOriginalConstructor()
 				->getMock();
 
diff --git a/build/integration/composer.json b/build/integration/composer.json
index 29f73f2064ac97117ef06f22ac568a266f88577e..d7ccd593277a21717655e7c7c60e16f36fc8dbea 100644
--- a/build/integration/composer.json
+++ b/build/integration/composer.json
@@ -4,6 +4,6 @@
     "behat/behat": "^3.0",
     "guzzlehttp/guzzle": "~5.0",
     "jarnaiz/behat-junit-formatter": "^1.3",
-    "sabre/dav": "3.0.9"
+    "sabre/dav": "3.2"
   }
 }