Move tests/ to PSR-4 (#24731)

* Move a-b to PSR-4

* Move c-d to PSR-4

* Move e+g to PSR-4

* Move h-l to PSR-4

* Move m-r to PSR-4

* Move s-u to PSR-4

* Move files/ to PSR-4

* Move remaining tests to PSR-4

* Remove Test\ from old autoloader

1 files changed, 897 insertions, 0 deletions

diff --git a/tests/lib/Group/ManagerTest.php b/tests/lib/Group/ManagerTest.php
new file mode 100644
index 00000000000..907f2b59452
--- /dev/null
+++ b/tests/lib/Group/ManagerTest.php
@@ -0,0 +1,897 @@
+<?php
+
+/**
+ * Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Group;
+
+use OC\User\User;
+
+class ManagerTest extends \Test\TestCase {
+	public function testGet() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$group = $manager->get('group1');
+		$this->assertNotNull($group);
+		$this->assertEquals('group1', $group->getGID());
+	}
+
+	public function testGetNoBackend() {
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+
+		$this->assertNull($manager->get('group1'));
+	}
+
+	public function testGetNotExists() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(false));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$this->assertNull($manager->get('group1'));
+	}
+
+	public function testGetDeleted() {
+		$backend = new \Test\Util\Group\Dummy();
+		$backend->createGroup('group1');
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$group = $manager->get('group1');
+		$group->delete();
+		$this->assertNull($manager->get('group1'));
+	}
+
+	public function testGetMultipleBackends() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend1 = $this->getMock('\OC\Group\Database');
+		$backend1->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(false));
+
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend2
+		 */
+		$backend2 = $this->getMock('\OC\Group\Database');
+		$backend2->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend1);
+		$manager->addBackend($backend2);
+
+		$group = $manager->get('group1');
+		$this->assertNotNull($group);
+		$this->assertEquals('group1', $group->getGID());
+	}
+
+	public function testCreate() {
+		/**
+		 * @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($this->returnCallback(function () use (&$backendGroupCreated) {
+				return $backendGroupCreated;
+			}));
+		$backend->expects($this->once())
+			->method('implementsActions')
+			->will($this->returnValue(true));
+		$backend->expects($this->once())
+			->method('createGroup')
+			->will($this->returnCallback(function () use (&$backendGroupCreated) {
+				$backendGroupCreated = true;
+			}));;
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$group = $manager->createGroup('group1');
+		$this->assertEquals('group1', $group->getGID());
+	}
+
+	public function testCreateExists() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
+		$backend->expects($this->never())
+			->method('createGroup');
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$group = $manager->createGroup('group1');
+		$this->assertEquals('group1', $group->getGID());
+	}
+
+	public function testSearch() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->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
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$groups = $manager->search('1');
+		$this->assertEquals(1, count($groups));
+		$group1 = reset($groups);
+		$this->assertEquals('group1', $group1->getGID());
+	}
+
+	public function testSearchMultipleBackends() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend1 = $this->getMock('\OC\Group\Database');
+		$backend1->expects($this->once())
+			->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
+		 */
+		$backend2 = $this->getMock('\OC\Group\Database');
+		$backend2->expects($this->once())
+			->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
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend1);
+		$manager->addBackend($backend2);
+
+		$groups = $manager->search('1');
+		$this->assertEquals(2, count($groups));
+		$group1 = reset($groups);
+		$group12 = next($groups);
+		$this->assertEquals('group1', $group1->getGID());
+		$this->assertEquals('group12', $group12->getGID());
+	}
+
+	public function testSearchMultipleBackendsLimitAndOffset() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend1 = $this->getMock('\OC\Group\Database');
+		$backend1->expects($this->once())
+			->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
+		 */
+		$backend2 = $this->getMock('\OC\Group\Database');
+		$backend2->expects($this->once())
+			->method('getGroups')
+			->with('1', 2, 1)
+			->will($this->returnValue(array('group12')));
+		$backend2->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend1);
+		$manager->addBackend($backend2);
+
+		$groups = $manager->search('1', 2, 1);
+		$this->assertEquals(2, count($groups));
+		$group1 = reset($groups);
+		$group12 = next($groups);
+		$this->assertEquals('group1', $group1->getGID());
+		$this->assertEquals('group12', $group12->getGID());
+	}
+
+	public function testGetUserGroups() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->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
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$groups = $manager->getUserGroups(new User('user1', $userBackend));
+		$this->assertEquals(1, count($groups));
+		$group1 = reset($groups);
+		$this->assertEquals('group1', $group1->getGID());
+	}
+
+	public function testGetUserGroupIds() {
+		/** @var \PHPUnit_Framework_MockObject_MockObject|\OC\Group\Manager $manager */
+		$manager = $this->getMockBuilder('OC\Group\Manager')
+			->disableOriginalConstructor()
+			->setMethods(['getUserGroups'])
+			->getMock();
+		$manager->expects($this->once())
+			->method('getUserGroups')
+			->willReturn([
+				'123' => '123',
+				'abc' => 'abc',
+			]);
+
+		/** @var \OC\User\User $user */
+		$user = $this->getMockBuilder('OC\User\User')
+			->disableOriginalConstructor()
+			->getMock();
+
+		$groups = $manager->getUserGroupIds($user);
+		$this->assertEquals(2, count($groups));
+
+		foreach ($groups as $group) {
+			$this->assertInternalType('string', $group);
+		}
+	}
+
+	public function testInGroup() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnValue(array('group1', 'admin', 'group2')));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$this->assertTrue($manager->isInGroup('user1', 'group1'));
+	}
+
+	public function testIsAdmin() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnValue(array('group1', 'admin', 'group2')));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$this->assertTrue($manager->isAdmin('user1'));
+	}
+
+	public function testNotAdmin() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->once())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnValue(array('group1', 'group2')));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$this->assertFalse($manager->isAdmin('user1'));
+	}
+
+	public function testGetUserGroupsMultipleBackends() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend1 = $this->getMock('\OC\Group\Database');
+		$backend1->expects($this->once())
+			->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
+		 */
+		$backend2 = $this->getMock('\OC\Group\Database');
+		$backend2->expects($this->once())
+			->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
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend1);
+		$manager->addBackend($backend2);
+
+		$groups = $manager->getUserGroups(new User('user1', $userBackend));
+		$this->assertEquals(2, count($groups));
+		$group1 = reset($groups);
+		$group2 = next($groups);
+		$this->assertEquals('group1', $group1->getGID());
+		$this->assertEquals('group2', $group2->getGID());
+	}
+
+        public function testDisplayNamesInGroupWithOneUserBackend() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+                $backend->expects($this->any())
+			->method('InGroup')
+			->will($this->returnCallback(function($uid, $gid) {
+                                switch($uid) {
+                                        case 'user1' : return false;
+                                        case 'user2' : return true;
+                                        case 'user3' : return false;
+                                        case 'user33': return true;
+                                        default:
+                                                return null;
+                                }
+                        }));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('searchDisplayName')
+			->with('user3')
+			->will($this->returnCallback(function($search, $limit, $offset) use ($userBackend) {
+                                switch($offset) {
+                                        case 0 : return array('user3' => new User('user3', $userBackend),
+                                                        'user33' => new User('user33', $userBackend));
+                                        case 2 : return array();
+                                }
+                        }));
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', 'user3');
+		$this->assertEquals(1, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertFalse(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertTrue(isset($users['user33']));
+	}
+
+        public function testDisplayNamesInGroupWithOneUserBackendWithLimitSpecified() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+                $backend->expects($this->any())
+			->method('InGroup')
+			->will($this->returnCallback(function($uid, $gid) {
+                                switch($uid) {
+                                        case 'user1' : return false;
+                                        case 'user2' : return true;
+                                        case 'user3' : return false;
+                                        case 'user33': return true;
+                                        case 'user333': return true;
+                                        default:
+                                                return null;
+                                }
+                        }));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('searchDisplayName')
+			->with('user3')
+			->will($this->returnCallback(function($search, $limit, $offset) use ($userBackend) {
+                                switch($offset) {
+                                        case 0 : return array('user3' => new User('user3', $userBackend),
+                                                        'user33' => new User('user33', $userBackend));
+                                        case 2 : return array('user333' => new User('user333', $userBackend));
+                                }
+                        }));
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					case 'user333': return new User('user333', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', 'user3', 1);
+		$this->assertEquals(1, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertFalse(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertTrue(isset($users['user33']));
+		$this->assertFalse(isset($users['user333']));
+	}
+
+	public function testDisplayNamesInGroupWithOneUserBackendWithLimitAndOffsetSpecified() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+        $backend->expects($this->any())
+			->method('inGroup')
+			->will($this->returnCallback(function($uid) {
+                                switch($uid) {
+                                        case 'user1' : return false;
+                                        case 'user2' : return true;
+                                        case 'user3' : return false;
+                                        case 'user33': return true;
+                                        case 'user333': return true;
+                                        default:
+                                                return null;
+                                }
+                        }));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('searchDisplayName')
+			->with('user3')
+			->will($this->returnCallback(function($search, $limit, $offset) use ($userBackend) {
+                                switch($offset) {
+                                        case 0 :
+											return array(
+												'user3' => new User('user3', $userBackend),
+                                                'user33' => new User('user33', $userBackend),
+												'user333' => new User('user333', $userBackend)
+											);
+                                }
+                        }));
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					case 'user333': return new User('user333', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', 'user3', 1, 1);
+		$this->assertEquals(1, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertFalse(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertFalse(isset($users['user33']));
+		$this->assertTrue(isset($users['user333']));
+	}
+
+	public function testDisplayNamesInGroupWithOneUserBackendAndSearchEmpty() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+                $backend->expects($this->once())
+			->method('usersInGroup')
+			->with('testgroup', '', -1, 0)
+			->will($this->returnValue(array('user2', 'user33')));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', '');
+		$this->assertEquals(2, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertTrue(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertTrue(isset($users['user33']));
+	}
+
+	public function testDisplayNamesInGroupWithOneUserBackendAndSearchEmptyAndLimitSpecified() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+		$backend->expects($this->once())
+			->method('usersInGroup')
+			->with('testgroup', '', 1, 0)
+			->will($this->returnValue(array('user2')));
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', '', 1);
+		$this->assertEquals(1, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertTrue(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertFalse(isset($users['user33']));
+	}
+
+        public function testDisplayNamesInGroupWithOneUserBackendAndSearchEmptyAndLimitAndOffsetSpecified() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend1
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->exactly(1))
+			->method('groupExists')
+			->with('testgroup')
+			->will($this->returnValue(true));
+
+		$backend->expects($this->once())
+			->method('usersInGroup')
+			->with('testgroup', '', 1, 1)
+			->will($this->returnValue(array('user33')));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$userBackend = $this->getMock('\OC_User_Backend');
+
+		$userManager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function($uid) use ($userBackend) {
+				switch($uid) {
+					case 'user1' : return new User('user1', $userBackend);
+					case 'user2' : return new User('user2', $userBackend);
+					case 'user3' : return new User('user3', $userBackend);
+					case 'user33': return new User('user33', $userBackend);
+					default:
+						return null;
+				}
+			}));
+
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$users = $manager->displayNamesInGroup('testgroup', '', 1, 1);
+		$this->assertEquals(1, count($users));
+		$this->assertFalse(isset($users['user1']));
+		$this->assertFalse(isset($users['user2']));
+		$this->assertFalse(isset($users['user3']));
+		$this->assertTrue(isset($users['user33']));
+	}
+
+	public function testGetUserGroupsWithAddUser() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$expectedGroups = array();
+		$backend->expects($this->any())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnCallback(function () use (&$expectedGroups) {
+				return $expectedGroups;
+			}));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
+		$backend->expects($this->once())
+			->method('implementsActions')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		// prime cache
+		$user1 = new User('user1', null);
+		$groups = $manager->getUserGroups($user1);
+		$this->assertEquals(array(), $groups);
+
+		// add user
+		$group = $manager->get('group1');
+		$group->addUser($user1);
+		$expectedGroups = array('group1');
+
+		// check result
+		$groups = $manager->getUserGroups($user1);
+		$this->assertEquals(1, count($groups));
+		$group1 = reset($groups);
+		$this->assertEquals('group1', $group1->getGID());
+	}
+
+	public function testGetUserGroupsWithRemoveUser() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$expectedGroups = array('group1');
+		$backend->expects($this->any())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnCallback(function () use (&$expectedGroups) {
+				return $expectedGroups;
+			}));
+		$backend->expects($this->any())
+			->method('groupExists')
+			->with('group1')
+			->will($this->returnValue(true));
+		$backend->expects($this->once())
+			->method('implementsActions')
+			->will($this->returnValue(true));
+		$backend->expects($this->once())
+			->method('inGroup')
+			->will($this->returnValue(true));
+		$backend->expects($this->once())
+			->method('removeFromGroup')
+			->will($this->returnValue(true));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		// prime cache
+		$user1 = new User('user1', null);
+		$groups = $manager->getUserGroups($user1);
+		$this->assertEquals(1, count($groups));
+		$group1 = reset($groups);
+		$this->assertEquals('group1', $group1->getGID());
+
+		// remove user
+		$group = $manager->get('group1');
+		$group->removeUser($user1);
+		$expectedGroups = array();
+
+		// check result
+		$groups = $manager->getUserGroups($user1);
+		$this->assertEquals(array(), $groups);
+	}
+
+	public function testGetUserIdGroups() {
+		/**
+		 * @var \PHPUnit_Framework_MockObject_MockObject | \OC\Group\Backend $backend
+		 */
+		$backend = $this->getMock('\OC\Group\Database');
+		$backend->expects($this->any())
+			->method('getUserGroups')
+			->with('user1')
+			->will($this->returnValue(null));
+
+		/**
+		 * @var \OC\User\Manager $userManager
+		 */
+		$userManager = $this->getMock('\OC\User\Manager');
+		$manager = new \OC\Group\Manager($userManager);
+		$manager->addBackend($backend);
+
+		$groups = $manager->getUserIdGroups('user1');
+		$this->assertEquals([], $groups);
+	}
+
+}