nextcloud/apps/files/tests/js/breadcrumbSpec.js

/**
* 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 BreadCrumb */
describe('OCA.Files.BreadCrumb tests', function() {
	var BreadCrumb = OCA.Files.BreadCrumb;

	describe('Rendering', function() {
		var bc;
		beforeEach(function() {
			bc = new BreadCrumb({
				getCrumbUrl: function(part, index) {
					// for testing purposes
					return part.dir + '#' + index;
				}
			});
		});
		afterEach(function() {
			bc = null;
		});
		it('Renders its own container', function() {
			bc.render();
			expect(bc.$el.hasClass('breadcrumb')).toEqual(true);
		});
		it('Renders root by default', function() {
			var $crumbs;
			bc.render();
			$crumbs = bc.$el.find('.crumb');
			expect($crumbs.length).toEqual(1);
			expect($crumbs.eq(0).find('a').attr('href')).toEqual('/#0');
			expect($crumbs.eq(0).find('img').length).toEqual(1);
			expect($crumbs.eq(0).attr('data-dir')).toEqual('/');
		});
		it('Renders root when switching to root', function() {
			var $crumbs;
			bc.setDirectory('/somedir');
			bc.setDirectory('/');
			$crumbs = bc.$el.find('.crumb');
			expect($crumbs.length).toEqual(1);
			expect($crumbs.eq(0).attr('data-dir')).toEqual('/');
		});
		it('Renders last crumb with "last" class', function() {
			bc.setDirectory('/abc/def');
			expect(bc.$el.find('.crumb:last').hasClass('last')).toEqual(true);
		});
		it('Renders single path section', function() {
			var $crumbs;
			bc.setDirectory('/somedir');
			$crumbs = bc.$el.find('.crumb');
			expect($crumbs.length).toEqual(2);
			expect($crumbs.eq(0).find('a').attr('href')).toEqual('/#0');
			expect($crumbs.eq(0).find('img').length).toEqual(1);
			expect($crumbs.eq(0).attr('data-dir')).toEqual('/');
			expect($crumbs.eq(1).find('a').attr('href')).toEqual('/somedir#1');
			expect($crumbs.eq(1).find('img').length).toEqual(0);
			expect($crumbs.eq(1).attr('data-dir')).toEqual('/somedir');
		});
		it('Renders multiple path sections and special chars', function() {
			var $crumbs;
			bc.setDirectory('/somedir/with space/abc');
			$crumbs = bc.$el.find('.crumb');
			expect($crumbs.length).toEqual(4);
			expect($crumbs.eq(0).find('a').attr('href')).toEqual('/#0');
			expect($crumbs.eq(0).find('img').length).toEqual(1);
			expect($crumbs.eq(0).attr('data-dir')).toEqual('/');

			expect($crumbs.eq(1).find('a').attr('href')).toEqual('/somedir#1');
			expect($crumbs.eq(1).find('img').length).toEqual(0);
			expect($crumbs.eq(1).attr('data-dir')).toEqual('/somedir');

			expect($crumbs.eq(2).find('a').attr('href')).toEqual('/somedir/with space#2');
			expect($crumbs.eq(2).find('img').length).toEqual(0);
			expect($crumbs.eq(2).attr('data-dir')).toEqual('/somedir/with space');

			expect($crumbs.eq(3).find('a').attr('href')).toEqual('/somedir/with space/abc#3');
			expect($crumbs.eq(3).find('img').length).toEqual(0);
			expect($crumbs.eq(3).attr('data-dir')).toEqual('/somedir/with space/abc');
		});
	});
	describe('Events', function() {
		it('Calls onClick handler when clicking on a crumb', function() {
			var handler = sinon.stub();
			var bc = new BreadCrumb({
				onClick: handler
			});
			bc.setDirectory('/one/two/three/four');
			bc.$el.find('.crumb:eq(3)').click();
			expect(handler.calledOnce).toEqual(true);
			expect(handler.getCall(0).thisValue).toEqual(bc.$el.find('.crumb').get(3));

			handler.reset();
			bc.$el.find('.crumb:eq(0) a').click();
			expect(handler.calledOnce).toEqual(true);
			expect(handler.getCall(0).thisValue).toEqual(bc.$el.find('.crumb').get(0));
		});
		it('Calls onDrop handler when dropping on a crumb', function() {
			var droppableStub = sinon.stub($.fn, 'droppable');
			var handler = sinon.stub();
			var bc = new BreadCrumb({
				onDrop: handler
			});
			bc.setDirectory('/one/two/three/four');
			expect(droppableStub.calledOnce).toEqual(true);

			expect(droppableStub.getCall(0).args[0].drop).toBeDefined();
			// simulate drop
			droppableStub.getCall(0).args[0].drop({dummy: true});

			expect(handler.calledOnce).toEqual(true);
			expect(handler.getCall(0).args[0]).toEqual({dummy: true});

			droppableStub.restore();
		});
	});
	describe('Resizing', function() {
		var bc, widthStub, dummyDir,
			oldUpdateTotalWidth;

		beforeEach(function() {
			dummyDir = '/short name/longer name/looooooooooooonger/even longer long long long longer long/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/last one';

			oldUpdateTotalWidth = BreadCrumb.prototype._updateTotalWidth;
			BreadCrumb.prototype._updateTotalWidth = function() {
				// need to set display:block for correct offsetWidth (no CSS loaded here)
				$('div.crumb').css({
					'display': 'block',
					'float': 'left'
				});

				return oldUpdateTotalWidth.apply(this, arguments);
			};

			bc = new BreadCrumb();
			widthStub = sinon.stub($.fn, 'width');
			// append dummy navigation and controls
			// as they are currently used for measurements
			$('#testArea').append(
				'<div id="navigation" style="width: 80px"></div>',
				'<div id="controls"></div>'
			);

			// make sure we know the test screen width
			$('#testArea').css('width', 1280);

			// use test area as we need it for measurements
			$('#controls').append(bc.$el);
			$('#controls').append('<div class="actions"><div>Dummy action with a given width</div></div>');
		});
		afterEach(function() {
			BreadCrumb.prototype._updateTotalWidth = oldUpdateTotalWidth;
			widthStub.restore();
			bc = null;
		});
		it('Hides breadcrumbs to fit window', function() {
			var $crumbs;

			widthStub.returns(500);
			// triggers resize implicitly
			bc.setDirectory(dummyDir);
			$crumbs = bc.$el.find('.crumb');

			// first one is always visible
			expect($crumbs.eq(0).hasClass('hidden')).toEqual(false);
			// second one has ellipsis
			expect($crumbs.eq(1).hasClass('hidden')).toEqual(false);
			expect($crumbs.eq(1).find('.ellipsis').length).toEqual(1);
			// there is only one ellipsis in total
			expect($crumbs.find('.ellipsis').length).toEqual(1);
			// subsequent elements are hidden
			expect($crumbs.eq(2).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(3).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(4).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(5).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(6).hasClass('hidden')).toEqual(false);
		});
		it('Updates ellipsis on window size increase', function() {
			var $crumbs;

			widthStub.returns(500);
			// triggers resize implicitly
			bc.setDirectory(dummyDir);
			$crumbs = bc.$el.find('.crumb');

			// simulate increase
			$('#testArea').css('width', 1800);
			bc.resize(1800);

			// first one is always visible
			expect($crumbs.eq(0).hasClass('hidden')).toEqual(false);
			// second one has ellipsis
			expect($crumbs.eq(1).hasClass('hidden')).toEqual(false);
			expect($crumbs.eq(1).find('.ellipsis').length).toEqual(1);
			// there is only one ellipsis in total
			expect($crumbs.find('.ellipsis').length).toEqual(1);
			// subsequent elements are hidden
			expect($crumbs.eq(2).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(3).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(4).hasClass('hidden')).toEqual(true);
			// the rest is visible
			expect($crumbs.eq(5).hasClass('hidden')).toEqual(false);
			expect($crumbs.eq(6).hasClass('hidden')).toEqual(false);
		});
		it('Updates ellipsis on window size decrease', function() {
			var $crumbs;

			$('#testArea').css('width', 2000);
			widthStub.returns(2000);
			// triggers resize implicitly
			bc.setDirectory(dummyDir);
			$crumbs = bc.$el.find('.crumb');

			// simulate decrease
			bc.resize(500);
			$('#testArea').css('width', 500);

			// first one is always visible
			expect($crumbs.eq(0).hasClass('hidden')).toEqual(false);
			// second one has ellipsis
			expect($crumbs.eq(1).hasClass('hidden')).toEqual(false);
			expect($crumbs.eq(1).find('.ellipsis').length).toEqual(1);
			// there is only one ellipsis in total
			expect($crumbs.find('.ellipsis').length).toEqual(1);
			// subsequent elements are hidden
			expect($crumbs.eq(2).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(3).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(4).hasClass('hidden')).toEqual(true);
			// the rest is visible
			expect($crumbs.eq(5).hasClass('hidden')).toEqual(true);
			expect($crumbs.eq(6).hasClass('hidden')).toEqual(false);
		});
	});
});