From 0ba0596341779100db37e25e59ac34f5a57bd2c3 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Fri, 14 Feb 2014 14:25:45 +0100
Subject: [PATCH 1/2] remove duplicate call to groupExists

---
 lib/private/group/manager.php | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/lib/private/group/manager.php b/lib/private/group/manager.php
index bf469d51d1..29453c5da1 100644
--- a/lib/private/group/manager.php
+++ b/lib/private/group/manager.php
@@ -76,12 +76,7 @@ class Manager extends PublicEmitter {
 		if (isset($this->cachedGroups[$gid])) {
 			return $this->cachedGroups[$gid];
 		}
-		foreach ($this->backends as $backend) {
-			if ($backend->groupExists($gid)) {
-				return $this->getGroupObject($gid);
-			}
-		}
-		return null;
+		return $this->getGroupObject($gid);
 	}
 
 	protected function getGroupObject($gid) {
@@ -91,6 +86,9 @@ class Manager extends PublicEmitter {
 				$backends[] = $backend;
 			}
 		}
+		if (count($backends) === 0) {
+			return null;
+		}
 		$this->cachedGroups[$gid] = new Group($gid, $backends, $this->userManager, $this);
 		return $this->cachedGroups[$gid];
 	}

From b35f679483f2b8f1dab56b903ca2e942ac4606ff Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Fri, 14 Feb 2014 15:07:08 +0100
Subject: [PATCH 2/2] Fix test cases for group manager

---
 lib/private/group/manager.php |  4 ++--
 tests/lib/group/manager.php   | 37 +++++++++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/lib/private/group/manager.php b/lib/private/group/manager.php
index 29453c5da1..9b433b64fd 100644
--- a/lib/private/group/manager.php
+++ b/lib/private/group/manager.php
@@ -108,8 +108,8 @@ class Manager extends PublicEmitter {
 	public function createGroup($gid) {
 		if (!$gid) {
 			return false;
-		} else if ($this->groupExists($gid)) {
-			return $this->get($gid);
+		} else if ($group = $this->get($gid)) {
+			return $group;
 		} else {
 			$this->emit('\OC\Group', 'preCreate', array($gid));
 			foreach ($this->backends as $backend) {
diff --git a/tests/lib/group/manager.php b/tests/lib/group/manager.php
index 9d3adf51a0..90f0e1b35e 100644
--- a/tests/lib/group/manager.php
+++ b/tests/lib/group/manager.php
@@ -116,16 +116,22 @@ class Manager extends \PHPUnit_Framework_TestCase {
 		/**
 		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC_Group_Backend $backend
 		 */
+		$backendGroupCreated = false;
 		$backend = $this->getMock('\OC_Group_Database');
 		$backend->expects($this->any())
 			->method('groupExists')
 			->with('group1')
-			->will($this->returnValue(false));
+			->will($this->returnCallback(function () use (&$backendGroupCreated) {
+				return $backendGroupCreated;
+			}));
 		$backend->expects($this->once())
 			->method('implementsActions')
 			->will($this->returnValue(true));
 		$backend->expects($this->once())
-			->method('createGroup');
+			->method('createGroup')
+			->will($this->returnCallback(function () use (&$backendGroupCreated) {
+				$backendGroupCreated = true;
+			}));;
 
 		/**
 		 * @var \OC\User\Manager $userManager
@@ -170,6 +176,10 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getGroups')
 			->with('1')
 			->will($this->returnValue(array('group1')));
+		$backend->expects($this->once())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \OC\User\Manager $userManager
@@ -193,6 +203,9 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getGroups')
 			->with('1')
 			->will($this->returnValue(array('group1')));
+		$backend1->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC_Group_Backend $backend2
@@ -202,6 +215,9 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getGroups')
 			->with('1')
 			->will($this->returnValue(array('group12', 'group1')));
+		$backend2->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \OC\User\Manager $userManager
@@ -228,6 +244,9 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getGroups')
 			->with('1', 2, 1)
 			->will($this->returnValue(array('group1')));
+		$backend1->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC_Group_Backend $backend2
@@ -237,6 +256,9 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getGroups')
 			->with('1', 1, 0)
 			->will($this->returnValue(array('group12')));
+		$backend2->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \OC\User\Manager $userManager
@@ -263,6 +285,10 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getUserGroups')
 			->with('user1')
 			->will($this->returnValue(array('group1')));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \OC\User\Manager $userManager
@@ -286,6 +312,10 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getUserGroups')
 			->with('user1')
 			->will($this->returnValue(array('group1')));
+		$backend1->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
+
 		/**
 		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC_Group_Backend $backend2
 		 */
@@ -294,6 +324,9 @@ class Manager extends \PHPUnit_Framework_TestCase {
 			->method('getUserGroups')
 			->with('user1')
 			->will($this->returnValue(array('group1', 'group2')));
+		$backend1->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
 
 		/**
 		 * @var \OC\User\Manager $userManager