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sources/apps/files/tests/js/breadcrumbSpec.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/>.
*
*/
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, dummyDir, widths, oldUpdateTotalWidth;
beforeEach(function() {
dummyDir = '/short name/longer name/looooooooooooonger/' +
'even longer long long long longer long/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/last one';
// using hard-coded widths (pre-measured) to avoid getting different
// results on different browsers due to font engine differences
widths = [41, 106, 112, 160, 257, 251, 91];
oldUpdateTotalWidth = BreadCrumb.prototype._updateTotalWidth;
BreadCrumb.prototype._updateTotalWidth = function() {
// pre-set a width to simulate consistent measurement
$('div.crumb').each(function(index){
$(this).css('width', widths[index]);
});
return oldUpdateTotalWidth.apply(this, arguments);
};
bc = new BreadCrumb();
// append dummy navigation and controls
// as they are currently used for measurements
$('#testArea').append(
'<div id="controls"></div>'
);
$('#controls').append(bc.$el);
});
afterEach(function() {
BreadCrumb.prototype._updateTotalWidth = oldUpdateTotalWidth;
bc = null;
});
it('Hides breadcrumbs to fit max allowed width', function() {
var $crumbs;
bc.setMaxWidth(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($crumbs.eq(6).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(7).hasClass('hidden')).toEqual(false);
});
it('Updates the breadcrumbs when reducing max allowed width', function() {
var $crumbs;
// enough space
bc.setMaxWidth(1800);
expect(bc.$el.find('.ellipsis').length).toEqual(0);
// triggers resize implicitly
bc.setDirectory(dummyDir);
// simulate increase
bc.setMaxWidth(950);
$crumbs = bc.$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);
// the rest is visible
expect($crumbs.eq(4).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(5).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(6).hasClass('hidden')).toEqual(false);
});
it('Removes the ellipsis when there is enough space', function() {
var $crumbs;
bc.setMaxWidth(500);
// triggers resize implicitly
bc.setDirectory(dummyDir);
$crumbs = bc.$el.find('.crumb');
// ellipsis
expect(bc.$el.find('.ellipsis').length).toEqual(1);
// simulate increase
bc.setMaxWidth(1800);
// no ellipsis
expect(bc.$el.find('.ellipsis').length).toEqual(0);
// all are visible
expect($crumbs.eq(0).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(1).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(2).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(3).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(4).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(5).hasClass('hidden')).toEqual(false);
expect($crumbs.eq(6).hasClass('hidden')).toEqual(false);
});
});
});
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