Merge pull request #6328 from nextcloud/split-sharees-api-logic

Splits off the logic from sharees endpoint thus making it available from within Nc/via PHP.

6 files changed, 2059 insertions, 0 deletions

diff --git a/tests/lib/Collaboration/Collaborators/GroupPluginTest.php b/tests/lib/Collaboration/Collaborators/GroupPluginTest.php
new file mode 100644
index 00000000000..9849bdb874a
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/GroupPluginTest.php
@@ -0,0 +1,491 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+
+use OC\Collaboration\Collaborators\GroupPlugin;
+use OC\Collaboration\Collaborators\SearchResult;
+use OCP\Collaboration\Collaborators\ISearchResult;
+use OCP\IConfig;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\IUserSession;
+use OCP\Share;
+use Test\TestCase;
+
+class GroupPluginTest extends TestCase {
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	protected $config;
+
+	/** @var  IGroupManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $groupManager;
+
+	/** @var  IUserSession|\PHPUnit_Framework_MockObject_MockObject */
+	protected $session;
+
+	/** @var  ISearchResult */
+	protected $searchResult;
+
+	/** @var  GroupPlugin */
+	protected $plugin;
+
+	/** @var int */
+	protected $limit = 2;
+
+	/** @var int */
+	protected $offset = 0;
+
+	/** @var  IUser|\PHPUnit_Framework_MockObject_MockObject */
+	protected $user;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->config = $this->createMock(IConfig::class);
+
+		$this->groupManager = $this->createMock(IGroupManager::class);
+
+		$this->session = $this->createMock(IUserSession::class);
+
+		$this->searchResult = new SearchResult();
+
+		$this->user = $this->getUserMock('admin', 'Administrator');
+	}
+
+	public function instantiatePlugin() {
+		// cannot be done within setUp, because dependent mocks needs to be set
+		// up with configuration etc. first
+		$this->plugin = new GroupPlugin(
+			$this->config,
+			$this->groupManager,
+			$this->session
+		);
+	}
+
+	public function getUserMock($uid, $displayName) {
+		$user = $this->createMock(IUser::class);
+
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn($uid);
+
+		$user->expects($this->any())
+			->method('getDisplayName')
+			->willReturn($displayName);
+
+		return $user;
+	}
+
+	/**
+	 * @param string $gid
+	 * @param null $displayName
+	 * @return IGroup|\PHPUnit_Framework_MockObject_MockObject
+	 */
+	protected function getGroupMock($gid, $displayName = null) {
+		$group = $this->createMock(IGroup::class);
+
+		$group->expects($this->any())
+			->method('getGID')
+			->willReturn($gid);
+
+		if (is_null($displayName)) {
+			// note: this is how the Group class behaves
+			$displayName = $gid;
+		}
+
+		$group->expects($this->any())
+			->method('getDisplayName')
+			->willReturn($displayName);
+
+		return $group;
+	}
+
+	public function dataGetGroups() {
+		return [
+			['test', false, true, [], [], [], [], true, false],
+			['test', false, false, [], [], [], [], true, false],
+			// group without display name
+			[
+				'test', false, true,
+				[$this->getGroupMock('test1')],
+				[],
+				[],
+				[['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				true,
+				false,
+			],
+			// group with display name, search by id
+			[
+				'test', false, true,
+				[$this->getGroupMock('test1', 'Test One')],
+				[],
+				[],
+				[['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				true,
+				false,
+			],
+			// group with display name, search by display name
+			[
+				'one', false, true,
+				[$this->getGroupMock('test1', 'Test One')],
+				[],
+				[],
+				[['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				true,
+				false,
+			],
+			// group with display name, search by display name, exact expected
+			[
+				'Test One', false, true,
+				[$this->getGroupMock('test1', 'Test One')],
+				[],
+				[['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', false, false,
+				[$this->getGroupMock('test1')],
+				[],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', false, true,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				false,
+				false,
+			],
+			[
+				'test', false, false,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', false, true,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[],
+				[
+					['label' => 'test0', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test0']],
+					['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']],
+				],
+				false,
+				null,
+			],
+			[
+				'test', false, false,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[],
+				[],
+				true,
+				null,
+			],
+			[
+				'test', false, true,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[
+					['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']],
+				],
+				[
+					['label' => 'test0', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test0']],
+					['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']],
+				],
+				false,
+				$this->getGroupMock('test'),
+			],
+			[
+				'test', false, false,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[],
+				[
+					['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']],
+				],
+				[],
+				true,
+				$this->getGroupMock('test'),
+			],
+			['test', true, true, [], [], [], [], true, false],
+			['test', true, false, [], [], [], [], true, false],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test1'),
+					$this->getGroupMock('test2'),
+				],
+				[$this->getGroupMock('test1')],
+				[],
+				[['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				false,
+				false,
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test1'),
+					$this->getGroupMock('test2'),
+				],
+				[$this->getGroupMock('test1')],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test')],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[],
+				false,
+				false,
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test')],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test1')],
+				[],
+				[['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				false,
+				false,
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test1')],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']]],
+				false,
+				false,
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']]],
+				[],
+				true,
+				false,
+			],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[],
+				[
+					['label' => 'test0', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test0']],
+					['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']],
+				],
+				false,
+				null,
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[],
+				[],
+				true,
+				null,
+			],
+			[
+				'test', true, true,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[
+					['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']],
+				],
+				[
+					['label' => 'test0', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test0']],
+					['label' => 'test1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test1']],
+				],
+				false,
+				$this->getGroupMock('test'),
+			],
+			[
+				'test', true, false,
+				[
+					$this->getGroupMock('test0'),
+					$this->getGroupMock('test1'),
+				],
+				[$this->getGroupMock('test'), $this->getGroupMock('test0'), $this->getGroupMock('test1')],
+				[
+					['label' => 'test', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'test']],
+				],
+				[],
+				true,
+				$this->getGroupMock('test'),
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider dataGetGroups
+	 *
+	 * @param string $searchTerm
+	 * @param bool $shareWithGroupOnly
+	 * @param bool $shareeEnumeration
+	 * @param array $groupResponse
+	 * @param array $userGroupsResponse
+	 * @param array $exactExpected
+	 * @param array $expected
+	 * @param bool $reachedEnd
+	 * @param bool|IGroup $singleGroup
+	 */
+	public function testSearch(
+		$searchTerm,
+		$shareWithGroupOnly,
+		$shareeEnumeration,
+		array $groupResponse,
+		array $userGroupsResponse,
+		array $exactExpected,
+		array $expected,
+		$reachedEnd,
+		$singleGroup
+	) {
+		$this->config->expects($this->any())
+			->method('getAppValue')
+			->willReturnCallback(
+				function($appName, $key, $default)
+				use ($shareWithGroupOnly, $shareeEnumeration)
+				{
+					if ($appName === 'core' && $key === 'shareapi_only_share_with_group_members') {
+						return $shareWithGroupOnly ? 'yes' : 'no';
+					} else if ($appName === 'core' && $key === 'shareapi_allow_share_dialog_user_enumeration') {
+						return $shareeEnumeration ? 'yes' : 'no';
+					}
+					return $default;
+				}
+			);
+
+		$this->instantiatePlugin();
+
+		$this->groupManager->expects($this->once())
+			->method('search')
+			->with($searchTerm, $this->limit, $this->offset)
+			->willReturn($groupResponse);
+
+		if ($singleGroup !== false) {
+			$this->groupManager->expects($this->once())
+				->method('get')
+				->with($searchTerm)
+				->willReturn($singleGroup);
+		}
+
+		if ($shareWithGroupOnly) {
+			$this->session->expects($this->any())
+				->method('getUser')
+				->willReturn($this->user);
+
+			$numGetUserGroupsCalls = empty($groupResponse) ? 0 : 1;
+			$this->groupManager->expects($this->exactly($numGetUserGroupsCalls))
+				->method('getUserGroups')
+				->with($this->user)
+				->willReturn($userGroupsResponse);
+		}
+
+		$moreResults = $this->plugin->search($searchTerm, $this->limit, $this->offset, $this->searchResult);
+		$result = $this->searchResult->asArray();
+
+		$this->assertEquals($exactExpected, $result['exact']['groups']);
+		$this->assertEquals($expected, $result['groups']);
+		$this->assertSame($reachedEnd, $moreResults);
+	}
+}
diff --git a/tests/lib/Collaboration/Collaborators/LookupPluginTest.php b/tests/lib/Collaboration/Collaborators/LookupPluginTest.php
new file mode 100644
index 00000000000..83d366cf467
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/LookupPluginTest.php
@@ -0,0 +1,180 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+
+use OC\Collaboration\Collaborators\LookupPlugin;
+use OCP\Collaboration\Collaborators\ISearchResult;
+use OCP\Collaboration\Collaborators\SearchResultType;
+use OCP\Http\Client\IClient;
+use OCP\Http\Client\IClientService;
+use OCP\Http\Client\IResponse;
+use OCP\IConfig;
+use OCP\Share;
+use Test\TestCase;
+
+class LookupPluginTest extends TestCase {
+
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	protected $config;
+	/** @var  IClientService|\PHPUnit_Framework_MockObject_MockObject */
+	protected $clientService;
+	/** @var  LookupPlugin */
+	protected $plugin;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->config = $this->createMock(IConfig::class);
+		$this->clientService = $this->createMock(IClientService::class);
+
+		$this->plugin = new LookupPlugin($this->config, $this->clientService);
+	}
+
+	/**
+	 * @dataProvider searchDataProvider
+	 * @param array $searchParams
+	 */
+	public function testSearch(array $searchParams) {
+		$type = new SearchResultType('lookup');
+
+		/** @var ISearchResult|\PHPUnit_Framework_MockObject_MockObject $searchResult */
+		$searchResult = $this->createMock(ISearchResult::class);
+		$searchResult->expects($this->once())
+			->method('addResultSet')
+			->with($type, $searchParams['expectedResult'], []);
+
+		$this->config->expects($this->once())
+			->method('getAppValue')
+			->with('files_sharing', 'lookupServerEnabled', 'no')
+			->willReturn('yes');
+		$this->config->expects($this->once())
+			->method('getSystemValue')
+			->with('lookup_server', 'https://lookup.nextcloud.com')
+			->willReturn($searchParams['server']);
+
+		$response = $this->createMock(IResponse::class);
+		$response->expects($this->once())
+			->method('getBody')
+			->willReturn(json_encode($searchParams['resultBody']));
+
+		$client = $this->createMock(IClient::class);
+		$client->expects($this->once())
+			->method('get')
+			->willReturnCallback(function($url) use ($searchParams, $response) {
+				$this->assertSame(strpos($url, $searchParams['server'] . '/users?search='), 0);
+				$this->assertNotFalse(strpos($url, urlencode($searchParams['search'])));
+				return $response;
+			});
+
+		$this->clientService->expects($this->once())
+			->method('newClient')
+			->willReturn($client);
+
+		$moreResults = $this->plugin->search(
+			$searchParams['search'],
+			$searchParams['limit'],
+			$searchParams['offset'],
+			$searchResult
+		);
+
+
+
+		$this->assertFalse($moreResults);
+	}
+
+	public function testSearchLookupServerDisabled() {
+		$this->config->expects($this->once())
+			->method('getAppValue')
+			->with('files_sharing', 'lookupServerEnabled', 'no')
+			->willReturn('no');
+
+		/** @var ISearchResult|\PHPUnit_Framework_MockObject_MockObject $searchResult */
+		$searchResult = $this->createMock(ISearchResult::class);
+		$searchResult->expects($this->never())
+			->method('addResultSet');
+		$searchResult->expects($this->never())
+			->method('markExactIdMatch');
+
+		$this->assertFalse($this->plugin->search('irr', 10, 0, $searchResult));
+	}
+
+	public function searchDataProvider() {
+		$fedIDs = [
+			'foo@enceladus.moon',
+			'foobar@enceladus.moon',
+			'foongus@enceladus.moon',
+		];
+
+		return [
+			// #0, standard search with results
+			[[
+				'search' => 'foo',
+				'limit' => 10,
+				'offset' => 0,
+				'server' => 'https://lookup.example.io',
+				'resultBody' => [
+					[ 'federationId' => $fedIDs[0] ],
+					[ 'federationId' => $fedIDs[1] ],
+					[ 'federationId' => $fedIDs[2] ],
+				],
+				'expectedResult' => [
+					[
+						'label' => $fedIDs[0],
+						'value' => [
+							'shareType' => Share::SHARE_TYPE_REMOTE,
+							'shareWith' => $fedIDs[0]
+						],
+						'extra' => ['federationId' => $fedIDs[0]],
+					],
+					[
+						'label' => $fedIDs[1],
+						'value' => [
+							'shareType' => Share::SHARE_TYPE_REMOTE,
+							'shareWith' => $fedIDs[1]
+						],
+						'extra' => ['federationId' => $fedIDs[1]],
+					],
+					[
+						'label' => $fedIDs[2],
+						'value' => [
+							'shareType' => Share::SHARE_TYPE_REMOTE,
+							'shareWith' => $fedIDs[2]
+						],
+						'extra' => ['federationId' => $fedIDs[2]],
+					],
+				]
+			]],
+			// #1, search without results
+			[[
+				'search' => 'foo',
+				'limit' => 10,
+				'offset' => 0,
+				'server' => 'https://lookup.example.io',
+				'resultBody' => [],
+				'expectedResult' => [],
+			]],
+		];
+	}
+}
diff --git a/tests/lib/Collaboration/Collaborators/MailPluginTest.php b/tests/lib/Collaboration/Collaborators/MailPluginTest.php
new file mode 100644
index 00000000000..9c9d9cff909
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/MailPluginTest.php
@@ -0,0 +1,336 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+
+use OC\Collaboration\Collaborators\MailPlugin;
+use OC\Collaboration\Collaborators\SearchResult;
+use OC\Federation\CloudIdManager;
+use OCP\Collaboration\Collaborators\SearchResultType;
+use OCP\Contacts\IManager;
+use OCP\Federation\ICloudIdManager;
+use OCP\IConfig;
+use OCP\Share;
+use Test\TestCase;
+
+class MailPluginTest extends TestCase {
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	protected $config;
+
+	/** @var  IManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $contactsManager;
+
+	/** @var  ICloudIdManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $cloudIdManager;
+
+	/** @var  MailPlugin */
+	protected $plugin;
+
+	/** @var  SearchResult */
+	protected $searchResult;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->config = $this->createMock(IConfig::class);
+		$this->contactsManager = $this->createMock(IManager::class);
+		$this->cloudIdManager = new CloudIdManager();
+		$this->searchResult = new SearchResult();
+	}
+
+	public function instantiatePlugin() {
+		$this->plugin = new MailPlugin($this->contactsManager, $this->cloudIdManager, $this->config);
+	}
+
+	/**
+	 * @dataProvider dataGetEmail
+	 *
+	 * @param string $searchTerm
+	 * @param array $contacts
+	 * @param bool $shareeEnumeration
+	 * @param array $expected
+	 * @param bool $reachedEnd
+	 */
+	public function testSearch($searchTerm, $contacts, $shareeEnumeration, $expected, $exactIdMatch, $reachedEnd) {
+		$this->config->expects($this->any())
+			->method('getAppValue')
+			->willReturnCallback(
+				function($appName, $key, $default)
+				use ($shareeEnumeration)
+				{
+					if ($appName === 'core' && $key === 'shareapi_allow_share_dialog_user_enumeration') {
+						return $shareeEnumeration ? 'yes' : 'no';
+					}
+					return $default;
+				}
+			);
+
+		$this->instantiatePlugin();
+
+		$this->contactsManager->expects($this->any())
+			->method('search')
+			->with($searchTerm, ['EMAIL', 'FN'])
+			->willReturn($contacts);
+
+		$moreResults = $this->plugin->search($searchTerm, 0, 0, $this->searchResult);
+		$result = $this->searchResult->asArray();
+
+		$this->assertSame($exactIdMatch, $this->searchResult->hasExactIdMatch(new SearchResultType('emails')));
+		$this->assertEquals($expected, $result);
+		$this->assertSame($reachedEnd, $moreResults);
+	}
+
+	public function dataGetEmail() {
+		return [
+			['test', [], true, ['emails' => [], 'exact' => ['emails' => []]], false, true],
+			['test', [], false, ['emails' => [], 'exact' => ['emails' => []]], false, true],
+			[
+				'test@remote.com',
+				[],
+				true,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'test@remote.com', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'test@remote.com']]]]],
+				false,
+				true,
+			],
+			[ // no valid email address
+				'test@remote',
+				[],
+				true,
+				['emails' => [], 'exact' => ['emails' => []]],
+				false,
+				true,
+			],
+			[
+				'test@remote.com',
+				[],
+				false,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'test@remote.com', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'test@remote.com']]]]],
+				false,
+				true,
+			],
+			[
+				'test',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['emails' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'username@localhost']]], 'exact' => ['emails' => []]],
+				false,
+				true,
+			],
+			[
+				'test',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['emails' => [], 'exact' => ['emails' => []]],
+				false,
+				true,
+			],
+			[
+				'test@remote.com',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['emails' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'username@localhost']]], 'exact' => ['emails' => [['label' => 'test@remote.com', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'test@remote.com']]]]],
+				false,
+				true,
+			],
+			[
+				'test@remote.com',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'test@remote.com', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'test@remote.com']]]]],
+				false,
+				true,
+			],
+			[
+				'username@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'username@localhost']]]]],
+				true,
+				true,
+			],
+			[
+				'username@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'username@localhost']]]]],
+				true,
+				true,
+			],
+			// contact with space
+			[
+				'user name@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User Name @ Localhost',
+						'EMAIL' => [
+							'user name@localhost',
+						],
+					],
+				],
+				false,
+				['emails' => [], 'exact' => ['emails' => [['label' => 'User Name @ Localhost (user name@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_EMAIL, 'shareWith' => 'user name@localhost']]]]],
+				true,
+				true,
+			],
+			// remote with space, no contact
+			[
+				'user space@remote.com',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'EMAIL' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'EMAIL' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['emails' => [], 'exact' => ['emails' => []]],
+				false,
+				true,
+			],
+			// Local user found by email
+			[
+				'test@example.com',
+				[
+					[
+						'FN' => 'User',
+						'EMAIL' => ['test@example.com'],
+						'CLOUD' => ['test@localhost'],
+						'isLocalSystemBook' => true,
+					]
+				],
+				false,
+				['users' => [], 'exact' => ['users' => [['label' => 'User (test@example.com)','value' => ['shareType' => 0, 'shareWith' => 'test'],]]]],
+				true,
+				false,
+			]
+		];
+	}
+}
diff --git a/tests/lib/Collaboration/Collaborators/RemotePluginTest.php b/tests/lib/Collaboration/Collaborators/RemotePluginTest.php
new file mode 100644
index 00000000000..5c4b3af5e70
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/RemotePluginTest.php
@@ -0,0 +1,388 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+
+use OC\Collaboration\Collaborators\RemotePlugin;
+use OC\Collaboration\Collaborators\SearchResult;
+use OC\Federation\CloudIdManager;
+use OCP\Collaboration\Collaborators\SearchResultType;
+use OCP\Contacts\IManager;
+use OCP\Federation\ICloudIdManager;
+use OCP\IConfig;
+use OCP\Share;
+use Test\TestCase;
+
+class RemotePluginTest extends TestCase {
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	protected $config;
+
+	/** @var  IManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $contactsManager;
+
+	/** @var  ICloudIdManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $cloudIdManager;
+
+	/** @var  RemotePlugin */
+	protected $plugin;
+
+	/** @var  SearchResult */
+	protected $searchResult;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->config = $this->createMock(IConfig::class);
+		$this->contactsManager = $this->createMock(IManager::class);
+		$this->cloudIdManager = new CloudIdManager();
+		$this->searchResult = new SearchResult();
+	}
+
+	public function instantiatePlugin() {
+		$this->plugin = new RemotePlugin($this->contactsManager, $this->cloudIdManager, $this->config);
+	}
+
+	/**
+	 * @dataProvider dataGetRemote
+	 *
+	 * @param string $searchTerm
+	 * @param array $contacts
+	 * @param bool $shareeEnumeration
+	 * @param array $expected
+	 * @param bool $exactIdMatch
+	 * @param bool $reachedEnd
+	 */
+	public function testSearch($searchTerm, array $contacts, $shareeEnumeration, array $expected, $exactIdMatch, $reachedEnd) {
+		$this->config->expects($this->any())
+			->method('getAppValue')
+			->willReturnCallback(
+				function($appName, $key, $default)
+				use ($shareeEnumeration)
+				{
+					if ($appName === 'core' && $key === 'shareapi_allow_share_dialog_user_enumeration') {
+						return $shareeEnumeration ? 'yes' : 'no';
+					}
+					return $default;
+				}
+			);
+
+		$this->instantiatePlugin();
+
+		$this->contactsManager->expects($this->any())
+			->method('search')
+			->with($searchTerm, ['CLOUD', 'FN'])
+			->willReturn($contacts);
+
+		$moreResults = $this->plugin->search($searchTerm, 0, 0, $this->searchResult);
+		$result = $this->searchResult->asArray();
+
+		$this->assertSame($exactIdMatch, $this->searchResult->hasExactIdMatch(new SearchResultType('remotes')));
+		$this->assertEquals($expected, $result);
+		$this->assertSame($reachedEnd, $moreResults);
+	}
+
+	/**
+	 * @dataProvider dataTestSplitUserRemote
+	 *
+	 * @param string $remote
+	 * @param string $expectedUser
+	 * @param string $expectedUrl
+	 */
+	public function testSplitUserRemote($remote, $expectedUser, $expectedUrl) {
+		$this->instantiatePlugin();
+
+		list($remoteUser, $remoteUrl) = $this->plugin->splitUserRemote($remote);
+		$this->assertSame($expectedUser, $remoteUser);
+		$this->assertSame($expectedUrl, $remoteUrl);
+	}
+
+	/**
+	 * @dataProvider dataTestSplitUserRemoteError
+	 *
+	 * @param string $id
+	 * @expectedException \Exception
+	 */
+	public function testSplitUserRemoteError($id) {
+		$this->instantiatePlugin();
+		$this->plugin->splitUserRemote($id);
+	}
+
+	public function dataGetRemote() {
+		return [
+			['test', [], true, ['remotes' => [], 'exact' => ['remotes' => []]], false, true],
+			['test', [], false, ['remotes' => [], 'exact' => ['remotes' => []]], false, true],
+			[
+				'test@remote',
+				[],
+				true,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'test@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'test@remote']]]]],
+				false,
+				true,
+			],
+			[
+				'test@remote',
+				[],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'test@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'test@remote']]]]],
+				false,
+				true,
+			],
+			[
+				'test',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['remotes' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'username@localhost', 'server' => 'localhost']]], 'exact' => ['remotes' => []]],
+				false,
+				true,
+			],
+			[
+				'test',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => []]],
+				false,
+				true,
+			],
+			[
+				'test@remote',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['remotes' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'username@localhost', 'server' => 'localhost']]], 'exact' => ['remotes' => [['label' => 'test@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'test@remote']]]]],
+				false,
+				true,
+			],
+			[
+				'test@remote',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'test@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'test@remote']]]]],
+				false,
+				true,
+			],
+			[
+				'username@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				true,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'username@localhost', 'server' => 'localhost']]]]],
+				true,
+				true,
+			],
+			[
+				'username@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'User @ Localhost (username@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'username@localhost', 'server' => 'localhost']]]]],
+				true,
+				true,
+			],
+			// contact with space
+			[
+				'user name@localhost',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User Name @ Localhost',
+						'CLOUD' => [
+							'user name@localhost',
+						],
+					],
+				],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'User Name @ Localhost (user name@localhost)', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'user name@localhost', 'server' => 'localhost']]]]],
+				true,
+				true,
+			],
+			// remote with space, no contact
+			[
+				'user space@remote',
+				[
+					[
+						'FN' => 'User3 @ Localhost',
+					],
+					[
+						'FN' => 'User2 @ Localhost',
+						'CLOUD' => [
+						],
+					],
+					[
+						'FN' => 'User @ Localhost',
+						'CLOUD' => [
+							'username@localhost',
+						],
+					],
+				],
+				false,
+				['remotes' => [], 'exact' => ['remotes' => [['label' => 'user space@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'user space@remote']]]]],
+				false,
+				true,
+			],
+		];
+	}
+
+	public function dataTestSplitUserRemote() {
+		$userPrefix = ['user@name', 'username'];
+		$protocols = ['', 'http://', 'https://'];
+		$remotes = [
+			'localhost',
+			'local.host',
+			'dev.local.host',
+			'dev.local.host/path',
+			'dev.local.host/at@inpath',
+			'127.0.0.1',
+			'::1',
+			'::192.0.2.128',
+			'::192.0.2.128/at@inpath',
+		];
+
+		$testCases = [];
+		foreach ($userPrefix as $user) {
+			foreach ($remotes as $remote) {
+				foreach ($protocols as $protocol) {
+					$baseUrl = $user . '@' . $protocol . $remote;
+
+					$testCases[] = [$baseUrl, $user, $protocol . $remote];
+					$testCases[] = [$baseUrl . '/', $user, $protocol . $remote];
+					$testCases[] = [$baseUrl . '/index.php', $user, $protocol . $remote];
+					$testCases[] = [$baseUrl . '/index.php/s/token', $user, $protocol . $remote];
+				}
+			}
+		}
+		return $testCases;
+	}
+
+	public function dataTestSplitUserRemoteError() {
+		return array(
+			// Invalid path
+			array('user@'),
+
+			// Invalid user
+			array('@server'),
+			array('us/er@server'),
+			array('us:er@server'),
+
+			// Invalid splitting
+			array('user'),
+			array(''),
+			array('us/erserver'),
+			array('us:erserver'),
+		);
+	}
+}
diff --git a/tests/lib/Collaboration/Collaborators/SearchTest.php b/tests/lib/Collaboration/Collaborators/SearchTest.php
new file mode 100644
index 00000000000..80e6c7f0beb
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/SearchTest.php
@@ -0,0 +1,219 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+
+use OC\Collaboration\Collaborators\Search;
+use OC\Collaboration\Collaborators\SearchResult;
+use OCP\Collaboration\Collaborators\ISearch;
+use OCP\Collaboration\Collaborators\ISearchPlugin;
+use OCP\Collaboration\Collaborators\SearchResultType;
+use OCP\IContainer;
+use OCP\Share;
+use Test\TestCase;
+
+class SearchTest extends TestCase {
+	/** @var  IContainer|\PHPUnit_Framework_MockObject_MockObject */
+	protected $container;
+	/** @var  ISearch */
+	protected $search;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->container = $this->createMock(IContainer::class);
+
+		$this->search = new Search($this->container);
+	}
+
+	/**
+	 * @dataProvider dataSearchSharees
+	 *
+	 * @param string $searchTerm
+	 * @param array $shareTypes
+	 * @param int $page
+	 * @param int $perPage
+	 * @param array $mockedUserResult
+	 * @param array $mockedGroupsResult
+	 * @param array $mockedRemotesResult
+	 * @param array $expected
+	 * @param bool $expectedMoreResults
+	 */
+	public function testSearch(
+		$searchTerm,
+		array $shareTypes,
+		$page,
+		$perPage,
+		array $mockedUserResult,
+		array $mockedGroupsResult,
+		array $mockedRemotesResult,
+		array $expected,
+		$expectedMoreResults
+	) {
+		$searchResult = new SearchResult();
+
+		$userPlugin = $this->createMock(ISearchPlugin::class);
+		$userPlugin->expects($this->any())
+			->method('search')
+			->willReturnCallback(function() use ($searchResult, $mockedUserResult, $expectedMoreResults) {
+				$type = new SearchResultType('users');
+				$searchResult->addResultSet($type, $mockedUserResult);
+				return $expectedMoreResults;
+			});
+
+		$groupPlugin = $this->createMock(ISearchPlugin::class);
+		$groupPlugin->expects($this->any())
+			->method('search')
+			->willReturnCallback(function() use ($searchResult, $mockedGroupsResult, $expectedMoreResults) {
+				$type = new SearchResultType('groups');
+				$searchResult->addResultSet($type, $mockedGroupsResult);
+				return $expectedMoreResults;
+			});
+
+		$remotePlugin = $this->createMock(ISearchPlugin::class);
+		$remotePlugin->expects($this->any())
+			->method('search')
+			->willReturnCallback(function() use ($searchResult, $mockedRemotesResult, $expectedMoreResults) {
+				if($mockedRemotesResult !== null) {
+					$type = new SearchResultType('remotes');
+					$searchResult->addResultSet($type, $mockedRemotesResult['results'], $mockedRemotesResult['exact']);
+					if($mockedRemotesResult['exactIdMatch'] === true) {
+						$searchResult->markExactIdMatch($type);
+					}
+				}
+				return $expectedMoreResults;
+			});
+
+		$this->container->expects($this->any())
+			->method('resolve')
+			->willReturnCallback(function($class) use ($searchResult, $userPlugin, $groupPlugin, $remotePlugin) {
+				if($class === SearchResult::class) {
+					return $searchResult;
+				} elseif ($class === $userPlugin) {
+					return $userPlugin;
+				} elseif ($class === $groupPlugin) {
+					return $groupPlugin;
+				} elseif ($class === $remotePlugin) {
+					return $remotePlugin;
+				}
+				return null;
+			});
+
+		$this->search->registerPlugin(['shareType' => 'SHARE_TYPE_USER', 'class' => $userPlugin]);
+		$this->search->registerPlugin(['shareType' => 'SHARE_TYPE_GROUP', 'class' => $groupPlugin]);
+		$this->search->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE', 'class' => $remotePlugin]);
+
+		list($results, $moreResults) = $this->search->search($searchTerm, $shareTypes, false, $perPage, $perPage * ($page - 1));
+
+		$this->assertEquals($expected, $results);
+		$this->assertSame($expectedMoreResults, $moreResults);
+	}
+
+	public function dataSearchSharees() {
+		return [
+			[
+				'test', [Share::SHARE_TYPE_USER, Share::SHARE_TYPE_GROUP, Share::SHARE_TYPE_REMOTE], 1, 2, [], [], ['results' => [], 'exact' => [], 'exactIdMatch' => false],
+				[
+					'exact' => ['users' => [], 'groups' => [], 'remotes' => []],
+					'users' => [],
+					'groups' => [],
+					'remotes' => [],
+				], false
+			],
+			[
+				'test', [Share::SHARE_TYPE_USER, Share::SHARE_TYPE_GROUP, Share::SHARE_TYPE_REMOTE], 1, 2, [], [], ['results' => [], 'exact' => [], 'exactIdMatch' => false],
+				[
+					'exact' => ['users' => [], 'groups' => [], 'remotes' => []],
+					'users' => [],
+					'groups' => [],
+					'remotes' => [],
+				], false
+			],
+			[
+				'test', [Share::SHARE_TYPE_USER, Share::SHARE_TYPE_GROUP, Share::SHARE_TYPE_REMOTE], 1, 2, [
+				['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+			], [
+				['label' => 'testgroup1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'testgroup1']],
+			], [
+				'results' => [['label' => 'testz@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'testz@remote']]], 'exact' => [], 'exactIdMatch' => false,
+			],
+				[
+					'exact' => ['users' => [], 'groups' => [], 'remotes' => []],
+					'users' => [
+						['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					],
+					'groups' => [
+						['label' => 'testgroup1', 'value' => ['shareType' => Share::SHARE_TYPE_GROUP, 'shareWith' => 'testgroup1']],
+					],
+					'remotes' => [
+						['label' => 'testz@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'testz@remote']],
+					],
+				], true,
+			],
+			// No groups requested
+			[
+				'test', [Share::SHARE_TYPE_USER, Share::SHARE_TYPE_REMOTE], 1, 2, [
+				['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+			], [], [
+				'results' => [['label' => 'testz@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'testz@remote']]], 'exact' => [], 'exactIdMatch' => false
+			],
+				[
+					'exact' => ['users' => [], 'remotes' => []],
+					'users' => [
+						['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					],
+					'remotes' => [
+						['label' => 'testz@remote', 'value' => ['shareType' => Share::SHARE_TYPE_REMOTE, 'shareWith' => 'testz@remote']],
+					],
+				], false,
+			],
+			// Share type restricted to user - Only one user
+			[
+				'test', [Share::SHARE_TYPE_USER], 1, 2, [
+				['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+			], [], [],
+				[
+					'exact' => ['users' => []],
+					'users' => [
+						['label' => 'test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					],
+				], false,
+			],
+			// Share type restricted to user - Multipage result
+			[
+				'test', [Share::SHARE_TYPE_USER], 1, 2, [
+				['label' => 'test 1', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+				['label' => 'test 2', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+			], [], [],
+				[
+					'exact' => ['users' => []],
+					'users' => [
+						['label' => 'test 1', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+						['label' => 'test 2', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+					],
+				], true,
+			],
+		];
+	}
+}
diff --git a/tests/lib/Collaboration/Collaborators/UserPluginTest.php b/tests/lib/Collaboration/Collaborators/UserPluginTest.php
new file mode 100644
index 00000000000..7d6d9c645a0
--- /dev/null
+++ b/tests/lib/Collaboration/Collaborators/UserPluginTest.php
@@ -0,0 +1,445 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @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 Test\Collaboration\Collaborators;
+
+use OC\Collaboration\Collaborators\SearchResult;
+use OC\Collaboration\Collaborators\UserPlugin;
+use OCP\Collaboration\Collaborators\ISearchResult;
+use OCP\IConfig;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IUserSession;
+use OCP\Share;
+use Test\TestCase;
+
+class UserPluginTest extends TestCase {
+	/** @var  IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	protected $config;
+
+	/** @var  IUserManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $userManager;
+
+	/** @var  IGroupManager|\PHPUnit_Framework_MockObject_MockObject */
+	protected $groupManager;
+
+	/** @var  IUserSession|\PHPUnit_Framework_MockObject_MockObject */
+	protected $session;
+
+	/** @var  UserPlugin */
+	protected $plugin;
+
+	/** @var  ISearchResult */
+	protected $searchResult;
+
+	/** @var int */
+	protected $limit = 2;
+
+	/** @var int */
+	protected $offset = 0;
+
+	/** @var  IUser|\PHPUnit_Framework_MockObject_MockObject */
+	protected $user;
+
+	public function setUp() {
+		parent::setUp();
+
+		$this->config = $this->createMock(IConfig::class);
+
+		$this->userManager = $this->createMock(IUserManager::class);
+
+		$this->groupManager = $this->createMock(IGroupManager::class);
+
+		$this->session = $this->createMock(IUserSession::class);
+
+		$this->searchResult = new SearchResult();
+
+		$this->user = $this->getUserMock('admin', 'Administrator');
+	}
+
+	public function instantiatePlugin() {
+		// cannot be done within setUp, because dependent mocks needs to be set
+		// up with configuration etc. first
+		$this->plugin = new UserPlugin(
+			$this->config,
+			$this->userManager,
+			$this->groupManager,
+			$this->session
+		);
+	}
+
+	public function getUserMock($uid, $displayName) {
+		$user = $this->createMock(IUser::class);
+
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn($uid);
+
+		$user->expects($this->any())
+			->method('getDisplayName')
+			->willReturn($displayName);
+
+		return $user;
+	}
+
+	public function dataGetUsers() {
+		return [
+			['test', false, true, [], [], [], [], true, false],
+			['test', false, false, [], [], [], [], true, false],
+			['test', true, true, [], [], [], [], true, false],
+			['test', true, false, [], [], [], [], true, false],
+			[
+				'test', false, true, [], [],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test', false, false, [], [],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test', true, true, [], [],
+				[], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test', true, false, [], [],
+				[], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test', true, true, ['test-group'], [['test-group', 'test', 2, 0, []]],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test', true, false, ['test-group'], [['test-group', 'test', 2, 0, []]],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				], [], true, $this->getUserMock('test', 'Test')
+			],
+			[
+				'test',
+				false,
+				true,
+				[],
+				[
+					$this->getUserMock('test1', 'Test One'),
+				],
+				[],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+				],
+				true,
+				false,
+			],
+			[
+				'test',
+				false,
+				false,
+				[],
+				[
+					$this->getUserMock('test1', 'Test One'),
+				],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test',
+				false,
+				true,
+				[],
+				[
+					$this->getUserMock('test1', 'Test One'),
+					$this->getUserMock('test2', 'Test Two'),
+				],
+				[],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					['label' => 'Test Two', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+				],
+				false,
+				false,
+			],
+			[
+				'test',
+				false,
+				false,
+				[],
+				[
+					$this->getUserMock('test1', 'Test One'),
+					$this->getUserMock('test2', 'Test Two'),
+				],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test',
+				false,
+				true,
+				[],
+				[
+					$this->getUserMock('test0', 'Test'),
+					$this->getUserMock('test1', 'Test One'),
+					$this->getUserMock('test2', 'Test Two'),
+				],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test0']],
+				],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					['label' => 'Test Two', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+				],
+				false,
+				false,
+			],
+			[
+				'test',
+				false,
+				false,
+				[],
+				[
+					$this->getUserMock('test0', 'Test'),
+					$this->getUserMock('test1', 'Test One'),
+					$this->getUserMock('test2', 'Test Two'),
+				],
+				[
+					['label' => 'Test', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test0']],
+				],
+				[],
+				true,
+				false,
+			],
+			[
+				'test',
+				true,
+				true,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, ['test1' => 'Test One']],
+					['xyz', 'test', 2, 0, []],
+				],
+				[],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+				],
+				true,
+				false,
+			],
+			[
+				'test',
+				true,
+				false,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, ['test1' => 'Test One']],
+					['xyz', 'test', 2, 0, []],
+				],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test',
+				true,
+				true,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, [
+						'test1' => 'Test One',
+						'test2' => 'Test Two',
+					]],
+					['xyz', 'test', 2, 0, [
+						'test1' => 'Test One',
+						'test2' => 'Test Two',
+					]],
+				],
+				[],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test1']],
+					['label' => 'Test Two', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+				],
+				false,
+				false,
+			],
+			[
+				'test',
+				true,
+				false,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, [
+						'test1' => 'Test One',
+						'test2' => 'Test Two',
+					]],
+					['xyz', 'test', 2, 0, [
+						'test1' => 'Test One',
+						'test2' => 'Test Two',
+					]],
+				],
+				[],
+				[],
+				true,
+				false,
+			],
+			[
+				'test',
+				true,
+				true,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, [
+						'test' => 'Test One',
+					]],
+					['xyz', 'test', 2, 0, [
+						'test2' => 'Test Two',
+					]],
+				],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				],
+				[
+					['label' => 'Test Two', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test2']],
+				],
+				false,
+				false,
+			],
+			[
+				'test',
+				true,
+				false,
+				['abc', 'xyz'],
+				[
+					['abc', 'test', 2, 0, [
+						'test' => 'Test One',
+					]],
+					['xyz', 'test', 2, 0, [
+						'test2' => 'Test Two',
+					]],
+				],
+				[
+					['label' => 'Test One', 'value' => ['shareType' => Share::SHARE_TYPE_USER, 'shareWith' => 'test']],
+				],
+				[],
+				true,
+				false,
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider dataGetUsers
+	 *
+	 * @param string $searchTerm
+	 * @param bool $shareWithGroupOnly
+	 * @param bool $shareeEnumeration
+	 * @param array $groupResponse
+	 * @param array $userResponse
+	 * @param array $exactExpected
+	 * @param array $expected
+	 * @param bool $reachedEnd
+	 * @param bool|IUser $singleUser
+	 */
+	public function testSearch(
+		$searchTerm,
+		$shareWithGroupOnly,
+		$shareeEnumeration,
+		array $groupResponse,
+		array $userResponse,
+		array $exactExpected,
+		array $expected,
+		$reachedEnd,
+		$singleUser
+	) {
+		$this->config->expects($this->any())
+			->method('getAppValue')
+			->willReturnCallback(
+				function($appName, $key, $default)
+				use ($shareWithGroupOnly, $shareeEnumeration)
+				{
+					if ($appName === 'core' && $key === 'shareapi_only_share_with_group_members') {
+						return $shareWithGroupOnly ? 'yes' : 'no';
+					} else if ($appName === 'core' && $key === 'shareapi_allow_share_dialog_user_enumeration') {
+						return $shareeEnumeration ? 'yes' : 'no';
+					}
+					return $default;
+				}
+			);
+
+		$this->instantiatePlugin();
+
+		$this->session->expects($this->any())
+			->method('getUser')
+			->willReturn($this->user);
+
+		if(!$shareWithGroupOnly) {
+			$this->userManager->expects($this->once())
+				->method('searchDisplayName')
+				->with($searchTerm, $this->limit, $this->offset)
+				->willReturn($userResponse);
+		} else {
+			if ($singleUser !== false) {
+				$this->groupManager->expects($this->exactly(2))
+					->method('getUserGroupIds')
+					->withConsecutive(
+						$this->user,
+						$singleUser
+					)
+					->willReturn($groupResponse);
+			} else {
+				$this->groupManager->expects($this->once())
+					->method('getUserGroupIds')
+					->with($this->user)
+					->willReturn($groupResponse);
+			}
+
+			$this->groupManager->expects($this->exactly(sizeof($groupResponse)))
+				->method('displayNamesInGroup')
+				->with($this->anything(), $searchTerm, $this->limit, $this->offset)
+				->willReturnMap($userResponse);
+		}
+
+		if ($singleUser !== false) {
+			$this->userManager->expects($this->once())
+				->method('get')
+				->with($searchTerm)
+				->willReturn($singleUser);
+		}
+
+
+		$moreResults = $this->plugin->search($searchTerm, $this->limit, $this->offset, $this->searchResult);
+		$result = $this->searchResult->asArray();
+
+		$this->assertEquals($exactExpected, $result['exact']['users']);
+		$this->assertEquals($expected, $result['users']);
+		$this->assertSame($reachedEnd, $moreResults);
+	}
+}