The new sharing code now handles deletion

OCS -> ShareManager -> DefaultShareProvider

2 files changed, 741 insertions, 0 deletions

diff --git a/tests/lib/share20/defaultshareprovidertest.php b/tests/lib/share20/defaultshareprovidertest.php
new file mode 100644
index 00000000000..bf8306bf26c
--- /dev/null
+++ b/tests/lib/share20/defaultshareprovidertest.php
@@ -0,0 +1,543 @@
+<?php
+/**
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @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 Test\Share20;
+
+use OCP\IDBConnection;
+use OCP\IUserManager;
+use OCP\IGroupManager;
+use OCP\Files\Folder;
+use OC\Share20\DefaultShareProvider;
+
+class DefaultShareProviderTest extends \Test\TestCase {
+
+	/** @var IDBConnection */
+	protected $dbConn;
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var IGroupManager */
+	protected $groupManager;
+
+	/** @var Folder */
+	protected $userFolder;
+
+	/** @var DefaultShareProvider */
+	protected $provider;
+
+	public function setUp() {
+		$this->dbConn = \OC::$server->getDatabaseConnection();
+		$this->userManager = $this->getMock('OCP\IUserManager');
+		$this->groupManager = $this->getMock('OCP\IGroupManager');
+		$this->userFolder = $this->getMock('OCP\Files\Folder');
+
+		//Empty share table
+		$this->dbConn->getQueryBuilder()->delete('share')->execute();
+
+		$this->provider = new DefaultShareProvider(
+			$this->dbConn,
+			$this->userManager,
+			$this->groupManager,
+			$this->userFolder
+		);
+	}
+
+	public function tearDown() {
+		$this->dbConn->getQueryBuilder()->delete('share')->execute();
+	}
+
+	/**
+	 * @expectedException OC\Share20\Exception\ShareNotFound
+	 */
+	public function testGetShareByIdNotExist() {
+		$this->provider->getShareById(1);
+	}
+
+	public function testGetShareByIdUserShare() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedWith = $this->getMock('OCP\IUser');
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedWith', $sharedWith],
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+
+		$this->assertEquals(1, $share->getId());
+		$this->assertEquals(\OCP\Share::SHARE_TYPE_USER, $share->getShareType());
+		$this->assertEquals($sharedWith, $share->getSharedWith());
+		$this->assertEquals($sharedBy, $share->getSharedBy());
+		$this->assertEquals($shareOwner, $share->getShareOwner());
+		$this->assertEquals($path, $share->getPath());
+		$this->assertEquals(13, $share->getPermissions());
+		$this->assertEquals(null, $share->getToken());
+		$this->assertEquals(null, $share->getExpirationDate());
+	}
+
+	public function testGetShareByIdGroupShare() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_GROUP),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedWith = $this->getMock('OCP\IGroup');
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+		$this->groupManager
+			->expects($this->once())
+			->method('get')
+			->with('sharedWith')
+			->willReturn($sharedWith);
+
+		$share = $this->provider->getShareById(1);
+
+		$this->assertEquals(1, $share->getId());
+		$this->assertEquals(\OCP\Share::SHARE_TYPE_GROUP, $share->getShareType());
+		$this->assertEquals($sharedWith, $share->getSharedWith());
+		$this->assertEquals($sharedBy, $share->getSharedBy());
+		$this->assertEquals($shareOwner, $share->getShareOwner());
+		$this->assertEquals($path, $share->getPath());
+		$this->assertEquals(13, $share->getPermissions());
+		$this->assertEquals(null, $share->getToken());
+		$this->assertEquals(null, $share->getExpirationDate());
+	}
+
+	public function testGetShareByIdLinkShare() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_LINK),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+				'token' => $qb->expr()->literal('token'),
+				'expiration' => $qb->expr()->literal('2000-01-02 00:00:00'),
+			]);
+		$qb->execute();
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+
+		$this->assertEquals(1, $share->getId());
+		$this->assertEquals(\OCP\Share::SHARE_TYPE_LINK, $share->getShareType());
+		$this->assertEquals('sharedWith', $share->getSharedWith());
+		$this->assertEquals($sharedBy, $share->getSharedBy());
+		$this->assertEquals($shareOwner, $share->getShareOwner());
+		$this->assertEquals($path, $share->getPath());
+		$this->assertEquals(13, $share->getPermissions());
+		$this->assertEquals('token', $share->getToken());
+		$this->assertEquals(\DateTime::createFromFormat('Y-m-d H:i:s', '2000-01-02 00:00:00'), $share->getExpirationDate());
+	}
+
+	public function testGetShareByIdRemoteShare() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_REMOTE),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+
+		$this->assertEquals(1, $share->getId());
+		$this->assertEquals(\OCP\Share::SHARE_TYPE_REMOTE, $share->getShareType());
+		$this->assertEquals('sharedWith', $share->getSharedWith());
+		$this->assertEquals($sharedBy, $share->getSharedBy());
+		$this->assertEquals($shareOwner, $share->getShareOwner());
+		$this->assertEquals($path, $share->getPath());
+		$this->assertEquals(13, $share->getPermissions());
+		$this->assertEquals(null, $share->getToken());
+		$this->assertEquals(null, $share->getExpirationDate());
+	}
+
+	public function testDeleteSingleShare() {
+		$qb = $this->dbConn->getQueryBuilder();
+
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedWith = $this->getMock('OCP\IUser');
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedWith', $sharedWith],
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+		$this->provider->delete($share);
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->select('*')
+			->from('share');
+
+		$cursor = $qb->execute();
+		$result = $cursor->fetchAll();
+		$cursor->closeCursor();
+
+		$this->assertEmpty($result);
+	}
+
+	public function testDeleteSingleShareKeepOther() {
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(2),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->once())
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->once())
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->once())
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedWith = $this->getMock('OCP\IUser');
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedWith', $sharedWith],
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+		$this->provider->delete($share);
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->select('*')
+			->from('share');
+
+		$cursor = $qb->execute();
+		$result = $cursor->fetchAll();
+		$cursor->closeCursor();
+
+		$this->assertCount(1, $result);
+	}
+
+	public function testDeleteNestedShares() {
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(1),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith'),
+				'uid_owner' => $qb->expr()->literal('sharedBy'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+			]);
+		$qb->execute();
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(2),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith2'),
+				'uid_owner' => $qb->expr()->literal('sharedBy2'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+				'parent' => $qb->expr()->literal(1),
+			]);
+		$qb->execute();
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->insert('share')
+			->values([
+				'id' => $qb->expr()->literal(3),
+				'share_type' => $qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
+				'share_with' => $qb->expr()->literal('sharedWith2'),
+				'uid_owner' => $qb->expr()->literal('sharedBy2'),
+				'file_source' => $qb->expr()->literal(42),
+				'permissions' => $qb->expr()->literal(13),
+				'parent' => $qb->expr()->literal(2),
+			]);
+		$qb->execute();
+
+
+		$storage = $this->getMock('OC\Files\Storage\Storage');
+		$storage
+			->expects($this->exactly(3))
+			->method('getOwner')
+			->willReturn('shareOwner');
+		$path = $this->getMock('OCP\Files\Node');
+		$path
+			->expects($this->exactly(3))
+			->method('getStorage')
+			->wilLReturn($storage);
+		$this->userFolder
+			->expects($this->exactly(3))
+			->method('getById')
+			->with(42)
+			->willReturn([$path]);
+
+		$sharedWith = $this->getMock('OCP\IUser');
+		$sharedBy = $this->getMock('OCP\IUser');
+		$shareOwner = $this->getMock('OCP\IUser');
+		$this->userManager
+			->method('get')
+			->will($this->returnValueMap([
+				['sharedWith', $sharedWith],
+				['sharedBy', $sharedBy],
+				['shareOwner', $shareOwner],
+			]));
+
+		$share = $this->provider->getShareById(1);
+		$this->provider->delete($share);
+
+		$qb = $this->dbConn->getQueryBuilder();
+		$qb->select('*')
+			->from('share');
+
+		$cursor = $qb->execute();
+		$result = $cursor->fetchAll();
+		$cursor->closeCursor();
+
+		$this->assertEmpty($result);
+	}
+
+	/**
+	 * @expectedException \OC\Share20\Exception\BackendError
+	 */
+	public function testDeleteFails() {
+		$share = $this->getMock('OC\Share20\IShare');
+		$expr = $this->getMock('OCP\DB\QueryBuilder\IExpressionBuilder');
+		$qb = $this->getMock('OCP\DB\QueryBuilder\IQueryBuilder');
+		$qb->expects($this->once())
+			->method('delete')
+			->will($this->returnSelf());
+		$qb->expects($this->once())
+			->method('expr')
+			->willReturn($expr);
+		$qb->expects($this->once())
+			->method('where')
+			->will($this->returnSelf());
+		$qb->expects($this->once())
+			->method('setParameter')
+			->will($this->returnSelf());
+		$qb->expects($this->once())
+			->method('execute')
+			->will($this->throwException(new \Exception));
+
+		$db = $this->getMock('OCP\IDBConnection');
+		$db->expects($this->once())
+			->method('getQueryBuilder')
+			->with()
+			->willReturn($qb);
+
+		$provider = $this->getMockBuilder('OC\Share20\DefaultShareProvider')
+            ->setConstructorArgs([  
+                    $db,
+                    $this->userManager,
+                    $this->groupManager,
+                    $this->userFolder,
+                ]        
+            )            
+            ->setMethods(['deleteChildren'])
+            ->getMock();
+		$provider
+			->expects($this->once())
+			->method('deleteChildren')
+			->with($share);
+		
+
+		$provider->delete($share);
+	}
+
+}
diff --git a/tests/lib/share20/managertest.php b/tests/lib/share20/managertest.php
new file mode 100644
index 00000000000..fc6c30692f5
--- /dev/null
+++ b/tests/lib/share20/managertest.php
@@ -0,0 +1,198 @@
+<?php
+/**
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @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 Test\Share20;
+
+use OC\Share20\Manager;
+use OC\Share20\Exception;
+
+
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IGroupManager;
+use OCP\ILogger;
+use OCP\IAppConfig;
+use OCP\Files\Folder;
+use OCP\Share20\IShareProvider;
+
+class ManagerTest extends \Test\TestCase {
+
+	/** @var Manager */
+	protected $manager;
+
+	/** @var IUser */
+	protected $user;
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var IGroupManager */
+	protected $groupManager;
+
+	/** @var ILogger */
+	protected $logger;
+
+	/** @var IAppConfig */
+	protected $appConfig;
+
+	/** @var Folder */
+	protected $userFolder;
+
+	/** @var IShareProvider */
+	protected $defaultProvider;
+
+	public function setUp() {
+		
+		$this->user = $this->getMock('\OCP\IUser');
+		$this->userManager = $this->getMock('\OCP\IUserManager');
+		$this->groupManager = $this->getMock('\OCP\IGroupManager');
+		$this->logger = $this->getMock('\OCP\ILogger');
+		$this->appConfig = $this->getMock('\OCP\IAppConfig');
+		$this->userFolder = $this->getMock('\OCP\Files\Folder');
+		$this->defaultProvider = $this->getMock('\OC\Share20\IShareProvider');
+
+		$this->manager = new Manager(
+			$this->user,
+			$this->userManager,
+			$this->groupManager,
+			$this->logger,
+			$this->appConfig,
+			$this->userFolder,
+			$this->defaultProvider
+		);
+	}
+
+	/**
+	 * @expectedException OC\Share20\Exception\ShareNotFound
+	 */
+	public function testDeleteNoShareId() {
+		$share = $this->getMock('\OC\Share20\IShare');
+
+		$share
+			->expects($this->once())
+			->method('getId')
+			->with()
+			->willReturn(null);
+
+		$this->manager->deleteShare($share);
+	}
+
+	public function testDelete() {
+		$share = $this->getMock('\OC\Share20\IShare');
+
+		$share
+			->expects($this->once())
+			->method('getId')
+			->with()
+			->willReturn(42);
+		$this->defaultProvider
+			->expects($this->once())
+			->method('delete')
+			->with($share);
+
+		$this->manager->deleteShare($share);
+	}
+
+	/**
+	 * @expectedException OC\Share20\Exception\ShareNotFound
+	 */
+	public function testGetShareByIdNotFoundInBackend() {
+		$this->defaultProvider
+			->expects($this->once())
+			->method('getShareById')
+			->with(42)
+			->will($this->throwException(new \OC\Share20\Exception\ShareNotFound()));
+
+		$this->manager->getShareById(42);
+	}
+
+	/**
+	 * @expectedException OC\Share20\Exception\ShareNotFound
+	 */
+	public function testGetShareByIdNotAuthorized() {
+		$otherUser1 = $this->getMock('\OCP\IUser');
+		$otherUser2 = $this->getMock('\OCP\IUser');
+		$otherUser3 = $this->getMock('\OCP\IUser');
+
+		$share = $this->getMock('\OC\Share20\IShare');
+		$share
+			->expects($this->once())
+			->method('getSharedWith')
+			->with()
+			->willReturn($otherUser1);
+		$share
+			->expects($this->once())
+			->method('getSharedBy')
+			->with()
+			->willReturn($otherUser2);
+		$share
+			->expects($this->once())
+			->method('getShareOwner')
+			->with()
+			->willReturn($otherUser3);
+
+		$this->defaultProvider
+			->expects($this->once())
+			->method('getShareById')
+			->with(42)
+			->willReturn($share);
+
+		$this->manager->getShareById(42);
+	}
+
+	public function dataGetShareById() {
+		return [
+			['getSharedWith'],
+			['getSharedBy'],
+			['getShareOwner'],
+		];
+	}
+
+	/**
+	 * @dataProvider dataGetShareById
+	 */
+	public function testGetShareById($currentUserIs) {
+		$otherUser1 = $this->getMock('\OCP\IUser');
+		$otherUser2 = $this->getMock('\OCP\IUser');
+		$otherUser3 = $this->getMock('\OCP\IUser');
+
+		$share = $this->getMock('\OC\Share20\IShare');
+		$share
+			->method('getSharedWith')
+			->with()
+			->willReturn($currentUserIs === 'getSharedWith' ? $this->user : $otherUser1);
+		$share
+			->method('getSharedBy')
+			->with()
+			->willReturn($currentUserIs === 'getSharedBy' ? $this->user : $otherUser2);
+		$share
+			->method('getShareOwner')
+			->with()
+			->willReturn($currentUserIs === 'getShareOwner' ? $this->user : $otherUser3);
+
+		$this->defaultProvider
+			->expects($this->once())
+			->method('getShareById')
+			->with(42)
+			->willReturn($share);
+
+		$this->assertEquals($share, $this->manager->getShareById(42));
+	}
+}