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diff --git a/apps/files/tests/js/filesummarySpec.js b/apps/files/tests/js/filesummarySpec.js
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+/**
+* ownCloud
+*
+* @author Vincent Petry
+* @copyright 2014 Vincent Petry <pvince81@owncloud.com>
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+/* global FileSummary */
+describe('FileSummary tests', function() {
+	var $container;
+
+	beforeEach(function() {
+		$container = $('<table><tr></tr></table>').find('tr');
+	});
+	afterEach(function() {
+		$container = null;
+	});
+
+	it('renders summary as text', function() {
+		var s = new FileSummary($container);
+		s.setSummary({
+			totalDirs: 5,
+			totalFiles: 2,
+			totalSize: 256000
+		});
+		expect($container.hasClass('hidden')).toEqual(false);
+		expect($container.find('.info').text()).toEqual('5 folders and 2 files');
+		expect($container.find('.filesize').text()).toEqual('250 kB');
+	});
+	it('hides summary when no files or folders', function() {
+		var s = new FileSummary($container);
+		s.setSummary({
+			totalDirs: 0,
+			totalFiles: 0,
+			totalSize: 0
+		});
+		expect($container.hasClass('hidden')).toEqual(true);
+	});
+	it('increases summary when adding files', function() {
+		var s = new FileSummary($container);
+		s.setSummary({
+			totalDirs: 5,
+			totalFiles: 2,
+			totalSize: 256000
+		});
+		s.add({type: 'file', size: 256000});
+		s.add({type: 'dir', size: 100});
+		s.update();
+		expect($container.hasClass('hidden')).toEqual(false);
+		expect($container.find('.info').text()).toEqual('6 folders and 3 files');
+		expect($container.find('.filesize').text()).toEqual('500 kB');
+		expect(s.summary.totalDirs).toEqual(6);
+		expect(s.summary.totalFiles).toEqual(3);
+		expect(s.summary.totalSize).toEqual(512100);
+	});
+	it('decreases summary when removing files', function() {
+		var s = new FileSummary($container);
+		s.setSummary({
+			totalDirs: 5,
+			totalFiles: 2,
+			totalSize: 256000
+		});
+		s.remove({type: 'file', size: 128000});
+		s.remove({type: 'dir', size: 100});
+		s.update();
+		expect($container.hasClass('hidden')).toEqual(false);
+		expect($container.find('.info').text()).toEqual('4 folders and 1 file');
+		expect($container.find('.filesize').text()).toEqual('125 kB');
+		expect(s.summary.totalDirs).toEqual(4);
+		expect(s.summary.totalFiles).toEqual(1);
+		expect(s.summary.totalSize).toEqual(127900);
+	});
+});