1409 lines
48 KiB
JavaScript
1409 lines
48 KiB
JavaScript
var expect = require('expect.js'),
|
|
cheerio = require('../..'),
|
|
food = require('../fixtures').food,
|
|
fruits = require('../fixtures').fruits,
|
|
drinks = require('../fixtures').drinks,
|
|
text = require('../fixtures').text;
|
|
|
|
describe('$(...)', function() {
|
|
|
|
var $;
|
|
|
|
beforeEach(function() {
|
|
$ = cheerio.load(fruits);
|
|
});
|
|
|
|
describe('.find', function() {
|
|
|
|
it('() : should find nothing', function() {
|
|
expect($('ul').find()).to.have.length(0);
|
|
});
|
|
|
|
it('(single) : should find one descendant', function() {
|
|
expect($('#fruits').find('.apple')[0].attribs['class']).to.equal('apple');
|
|
});
|
|
|
|
it('(many) : should find all matching descendant', function() {
|
|
expect($('#fruits').find('li')).to.have.length(3);
|
|
});
|
|
|
|
it('(many) : should merge all selected elems with matching descendants', function() {
|
|
expect($('#fruits, #food', food).find('.apple')).to.have.length(1);
|
|
});
|
|
|
|
it('(invalid single) : should return empty if cant find', function() {
|
|
expect($('ul').find('blah')).to.have.length(0);
|
|
});
|
|
|
|
it('(invalid single) : should query descendants only', function() {
|
|
expect($('#fruits').find('ul')).to.have.length(0);
|
|
});
|
|
|
|
it('should return empty if search already empty result', function() {
|
|
expect($('#not-fruits').find('li')).to.have.length(0);
|
|
});
|
|
|
|
it('should lowercase selectors', function() {
|
|
expect($('#fruits').find('LI')).to.have.length(3);
|
|
});
|
|
|
|
it('should query case-sensitively when in xmlMode', function() {
|
|
var q = cheerio.load('<caseSenSitive allTheWay>', {xmlMode: true});
|
|
expect(q('caseSenSitive')).to.have.length(1);
|
|
expect(q('[allTheWay]')).to.have.length(1);
|
|
expect(q('casesensitive')).to.have.length(0);
|
|
expect(q('[alltheway]')).to.have.length(0);
|
|
});
|
|
|
|
it('should throw a SyntaxError if given an invalid selector', function() {
|
|
expect(function() {
|
|
$('#fruits').find(':bah');
|
|
}).to.throwException(function(err) {
|
|
expect(err).to.be.a(SyntaxError);
|
|
});
|
|
});
|
|
|
|
describe('(cheerio object) :', function() {
|
|
it('returns only those nodes contained within the current selection', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('#fruits').find($('li'));
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($('.apple')[0]);
|
|
expect($selection[1]).to.be($('.orange')[0]);
|
|
expect($selection[2]).to.be($('.pear')[0]);
|
|
});
|
|
it('returns only those nodes contained within any element in the current selection', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('.apple, #vegetables').find($('li'));
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($('.carrot')[0]);
|
|
expect($selection[1]).to.be($('.sweetcorn')[0]);
|
|
});
|
|
});
|
|
|
|
describe('(node) :', function() {
|
|
it('returns node when contained within the current selection', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('#fruits').find($('.apple')[0]);
|
|
|
|
expect($selection).to.have.length(1);
|
|
expect($selection[0]).to.be($('.apple')[0]);
|
|
});
|
|
it('returns node when contained within any element the current selection', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('#fruits, #vegetables').find($('.carrot')[0]);
|
|
|
|
expect($selection).to.have.length(1);
|
|
expect($selection[0]).to.be($('.carrot')[0]);
|
|
});
|
|
it('does not return node that is not contained within the current selection', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('#fruits').find($('.carrot')[0]);
|
|
|
|
expect($selection).to.have.length(0);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('.children', function() {
|
|
|
|
it('() : should get all children', function() {
|
|
expect($('ul').children()).to.have.length(3);
|
|
});
|
|
|
|
it('() : should return children of all matched elements', function() {
|
|
expect($('ul ul', food).children()).to.have.length(5);
|
|
});
|
|
|
|
it('(selector) : should return children matching selector', function() {
|
|
var cls = $('ul').children('.orange')[0].attribs['class'];
|
|
expect(cls).to.equal('orange');
|
|
});
|
|
|
|
it('(invalid selector) : should return empty', function() {
|
|
expect($('ul').children('.lulz')).to.have.length(0);
|
|
});
|
|
|
|
it('should only match immediate children, not ancestors', function() {
|
|
expect($(food).children('li')).to.have.length(0);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.contents', function() {
|
|
|
|
beforeEach(function() {
|
|
$ = cheerio.load(text);
|
|
});
|
|
|
|
it('() : should get all contents', function() {
|
|
expect($('p').contents()).to.have.length(5);
|
|
});
|
|
|
|
it('() : should include text nodes', function() {
|
|
expect($('p').contents().first()[0].type).to.equal('text');
|
|
});
|
|
|
|
it('() : should include comment nodes', function() {
|
|
expect($('p').contents().last()[0].type).to.equal('comment');
|
|
});
|
|
|
|
});
|
|
|
|
describe('.next', function() {
|
|
|
|
it('() : should return next element', function() {
|
|
var cls = $('.orange').next()[0].attribs['class'];
|
|
expect(cls).to.equal('pear');
|
|
});
|
|
|
|
it('(no next) : should return empty for last child', function() {
|
|
expect($('.pear').next()).to.have.length(0);
|
|
});
|
|
|
|
it('(next on empty object) : should return empty', function() {
|
|
expect($('.banana').next()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
expect($('.apple, .orange', food).next()).to.have.length(2);
|
|
});
|
|
|
|
describe('(selector) :', function() {
|
|
it('should reject elements that violate the filter', function() {
|
|
expect($('.apple').next('.non-existent')).to.have.length(0);
|
|
});
|
|
|
|
it('should accept elements that satisify the filter', function() {
|
|
expect($('.apple').next('.orange')).to.have.length(1);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('.nextAll', function() {
|
|
|
|
it('() : should return all following siblings', function() {
|
|
var elems = $('.apple').nextAll();
|
|
expect(elems).to.have.length(2);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
expect(elems[1].attribs['class']).to.equal('pear');
|
|
});
|
|
|
|
it('(no next) : should return empty for last child', function() {
|
|
expect($('.pear').nextAll()).to.have.length(0);
|
|
});
|
|
|
|
it('(nextAll on empty object) : should return empty', function() {
|
|
expect($('.banana').nextAll()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
expect($('.apple, .carrot', food).nextAll()).to.have.length(3);
|
|
});
|
|
|
|
it('() : should not contain duplicate elements', function() {
|
|
var elems = $('.apple, .orange', food);
|
|
expect(elems.nextAll()).to.have.length(2);
|
|
});
|
|
|
|
describe('(selector) :', function() {
|
|
it('should filter according to the provided selector', function() {
|
|
expect($('.apple').nextAll('.pear')).to.have.length(1);
|
|
});
|
|
|
|
it('should not consider siblings\' contents when filtering', function() {
|
|
expect($('#fruits', food).nextAll('li')).to.have.length(0);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('.nextUntil', function() {
|
|
|
|
it('() : should return all following siblings if no selector specified', function() {
|
|
var elems = $('.apple', food).nextUntil();
|
|
expect(elems).to.have.length(2);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
expect(elems[1].attribs['class']).to.equal('pear');
|
|
});
|
|
|
|
it('() : should filter out non-element nodes', function() {
|
|
var elems = $('<div><div></div><!-- comment -->text<div></div></div>');
|
|
var div = elems.children().eq(0);
|
|
expect(div.nextUntil()).to.have.length(1);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
var elems = $('.apple, .carrot', food);
|
|
expect(elems.nextUntil()).to.have.length(3);
|
|
});
|
|
|
|
it('() : should not contain duplicate elements', function() {
|
|
var elems = $('.apple, .orange', food);
|
|
expect(elems.nextUntil()).to.have.length(2);
|
|
});
|
|
|
|
it('(selector) : should return all following siblings until selector', function() {
|
|
var elems = $('.apple', food).nextUntil('.pear');
|
|
expect(elems).to.have.length(1);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
});
|
|
|
|
it('(selector not sibling) : should return all following siblings', function() {
|
|
var elems = $('.apple').nextUntil('#vegetables');
|
|
expect(elems).to.have.length(2);
|
|
});
|
|
|
|
it('(selector, filterString) : should return all following siblings until selector, filtered by filter', function() {
|
|
var elems = $('.beer', drinks).nextUntil('.water', '.milk');
|
|
expect(elems).to.have.length(1);
|
|
expect(elems[0].attribs['class']).to.equal('milk');
|
|
});
|
|
|
|
it('(null, filterString) : should return all following siblings until selector, filtered by filter', function() {
|
|
var elems = $('<ul><li></li><li><p></p></li></ul>');
|
|
var empty = elems.find('li').eq(0).nextUntil(null, 'p');
|
|
expect(empty).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty object for last child', function() {
|
|
expect($('.pear').nextUntil()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty object when called on an empty object', function() {
|
|
expect($('.banana').nextUntil()).to.have.length(0);
|
|
});
|
|
|
|
it('(node) : should return all following siblings until the node', function() {
|
|
var $fruits = $('#fruits').children();
|
|
var elems = $fruits.eq(0).nextUntil($fruits[2]);
|
|
expect(elems).to.have.length(1);
|
|
});
|
|
|
|
it('(cheerio object) : should return all following siblings until any member of the cheerio object', function() {
|
|
var $drinks = $(drinks).children();
|
|
var $until = $([$drinks[4], $drinks[3]]);
|
|
var elems = $drinks.eq(0).nextUntil($until);
|
|
expect(elems).to.have.length(2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.prev', function() {
|
|
|
|
it('() : should return previous element', function() {
|
|
var cls = $('.orange').prev()[0].attribs['class'];
|
|
expect(cls).to.equal('apple');
|
|
});
|
|
|
|
it('(no prev) : should return empty for first child', function() {
|
|
expect($('.apple').prev()).to.have.length(0);
|
|
});
|
|
|
|
it('(prev on empty object) : should return empty', function() {
|
|
expect($('.banana').prev()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
expect($('.orange, .pear', food).prev()).to.have.length(2);
|
|
});
|
|
|
|
describe('(selector) :', function() {
|
|
it('should reject elements that violate the filter', function() {
|
|
expect($('.orange').prev('.non-existent')).to.have.length(0);
|
|
});
|
|
|
|
it('should accept elements that satisify the filter', function() {
|
|
expect($('.orange').prev('.apple')).to.have.length(1);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('.prevAll', function() {
|
|
|
|
it('() : should return all preceding siblings', function() {
|
|
var elems = $('.pear').prevAll();
|
|
expect(elems).to.have.length(2);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
expect(elems[1].attribs['class']).to.equal('apple');
|
|
});
|
|
|
|
it('(no prev) : should return empty for first child', function() {
|
|
expect($('.apple').prevAll()).to.have.length(0);
|
|
});
|
|
|
|
it('(prevAll on empty object) : should return empty', function() {
|
|
expect($('.banana').prevAll()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
expect($('.orange, .sweetcorn', food).prevAll()).to.have.length(2);
|
|
});
|
|
|
|
it('() : should not contain duplicate elements', function() {
|
|
var elems = $('.orange, .pear', food);
|
|
expect(elems.prevAll()).to.have.length(2);
|
|
});
|
|
|
|
describe('(selector) :', function() {
|
|
it('should filter returned elements', function() {
|
|
var elems = $('.pear').prevAll('.apple');
|
|
expect(elems).to.have.length(1);
|
|
});
|
|
|
|
it('should not consider siblings\'s descendents', function() {
|
|
var elems = $('#vegetables', food).prevAll('li');
|
|
expect(elems).to.have.length(0);
|
|
});
|
|
});
|
|
|
|
});
|
|
|
|
describe('.prevUntil', function() {
|
|
|
|
it('() : should return all preceding siblings if no selector specified', function() {
|
|
var elems = $('.pear').prevUntil();
|
|
expect(elems).to.have.length(2);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
expect(elems[1].attribs['class']).to.equal('apple');
|
|
});
|
|
|
|
it('() : should filter out non-element nodes', function() {
|
|
var elems = $('<div class="1"><div class="2"></div><!-- comment -->text<div class="3"></div></div>');
|
|
var div = elems.children().last();
|
|
expect(div.prevUntil()).to.have.length(1);
|
|
});
|
|
|
|
it('() : should operate over all elements in the selection', function() {
|
|
var elems = $('.pear, .sweetcorn', food);
|
|
expect(elems.prevUntil()).to.have.length(3);
|
|
});
|
|
|
|
it('() : should not contain duplicate elements', function() {
|
|
var elems = $('.orange, .pear', food);
|
|
expect(elems.prevUntil()).to.have.length(2);
|
|
});
|
|
|
|
it('(selector) : should return all preceding siblings until selector', function() {
|
|
var elems = $('.pear').prevUntil('.apple');
|
|
expect(elems).to.have.length(1);
|
|
expect(elems[0].attribs['class']).to.equal('orange');
|
|
});
|
|
|
|
it('(selector not sibling) : should return all preceding siblings', function() {
|
|
var elems = $('.sweetcorn', food).prevUntil('#fruits');
|
|
expect(elems).to.have.length(1);
|
|
expect(elems[0].attribs['class']).to.equal('carrot');
|
|
});
|
|
|
|
it('(selector, filterString) : should return all preceding siblings until selector, filtered by filter', function() {
|
|
var elems = $('.cider', drinks).prevUntil('.juice', '.water');
|
|
expect(elems).to.have.length(1);
|
|
expect(elems[0].attribs['class']).to.equal('water');
|
|
});
|
|
|
|
it('(selector, filterString) : should return all preceding siblings until selector', function() {
|
|
var elems = $('<ul><li><p></p></li><li></li></ul>');
|
|
var empty = elems.find('li').eq(1).prevUntil(null, 'p');
|
|
expect(empty).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty object for first child', function() {
|
|
expect($('.apple').prevUntil()).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty object when called on an empty object', function() {
|
|
expect($('.banana').prevUntil()).to.have.length(0);
|
|
});
|
|
|
|
it('(node) : should return all previous siblings until the node', function() {
|
|
var $fruits = $('#fruits').children();
|
|
var elems = $fruits.eq(2).prevUntil($fruits[0]);
|
|
expect(elems).to.have.length(1);
|
|
});
|
|
|
|
it('(cheerio object) : should return all previous siblings until any member of the cheerio object', function() {
|
|
var $drinks = $(drinks).children();
|
|
var $until = $([$drinks[0], $drinks[1]]);
|
|
var elems = $drinks.eq(4).prevUntil($until);
|
|
expect(elems).to.have.length(2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.siblings', function() {
|
|
|
|
it('() : should get all the siblings', function() {
|
|
expect($('.orange').siblings()).to.have.length(2);
|
|
expect($('#fruits').siblings()).to.have.length(0);
|
|
expect($('.apple, .carrot', food).siblings()).to.have.length(3);
|
|
});
|
|
|
|
it('(selector) : should get all siblings that match the selector', function() {
|
|
expect($('.orange').siblings('.apple')).to.have.length(1);
|
|
expect($('.orange').siblings('.peach')).to.have.length(0);
|
|
});
|
|
|
|
it('(selector) : should throw a SyntaxError if given an invalid selector', function() {
|
|
expect(function() {
|
|
$('.orange').siblings(':bah');
|
|
}).to.throwException(function(err) {
|
|
expect(err).to.be.a(SyntaxError);
|
|
});
|
|
});
|
|
|
|
it('(selector) : does not consider the contents of siblings when filtering (GH-374)', function() {
|
|
expect($('#fruits', food).siblings('li')).to.have.length(0);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.parents', function() {
|
|
|
|
beforeEach(function() {
|
|
$ = cheerio.load(food);
|
|
});
|
|
|
|
it('() : should get all of the parents in logical order', function(){
|
|
var result = $('.orange').parents();
|
|
expect(result).to.have.length(2);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
expect(result[1].attribs.id).to.be('food');
|
|
result = $('#fruits').parents();
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('food');
|
|
});
|
|
|
|
it('(selector) : should get all of the parents that match the selector in logical order', function() {
|
|
var result = $('.orange').parents('#fruits');
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
result = $('.orange').parents('ul');
|
|
expect(result).to.have.length(2);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
expect(result[1].attribs.id).to.be('food');
|
|
});
|
|
|
|
it('() : should not break if the selector does not have any results', function() {
|
|
var result = $('.saladbar').parents();
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty set for top-level elements', function() {
|
|
var result = $('#food').parents();
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return the parents of every element in the *reveresed* collection, omitting duplicates', function() {
|
|
var $parents = $('li').parents();
|
|
|
|
expect($parents).to.have.length(3);
|
|
expect($parents[0]).to.be($('#vegetables')[0]);
|
|
expect($parents[1]).to.be($('#food')[0]);
|
|
expect($parents[2]).to.be($('#fruits')[0]);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.parentsUntil', function() {
|
|
|
|
beforeEach(function() {
|
|
$ = cheerio.load(food);
|
|
});
|
|
|
|
it('() : should get all of the parents in logical order', function() {
|
|
var result = $('.orange').parentsUntil();
|
|
expect(result).to.have.length(2);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
expect(result[1].attribs.id).to.be('food');
|
|
});
|
|
|
|
it('() : should get all of the parents in reversed order, omitting duplicates', function() {
|
|
var result = $('.apple, .sweetcorn').parentsUntil();
|
|
expect(result).to.have.length(3);
|
|
expect(result[0].attribs.id).to.be('vegetables');
|
|
expect(result[1].attribs.id).to.be('food');
|
|
expect(result[2].attribs.id).to.be('fruits');
|
|
});
|
|
|
|
it('(selector) : should get all of the parents until selector', function() {
|
|
var result = $('.orange').parentsUntil('#food');
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
result = $('.orange').parentsUntil('#fruits');
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('(selector not parent) : should return all parents', function() {
|
|
var result = $('.orange').parentsUntil('.apple');
|
|
expect(result).to.have.length(2);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
expect(result[1].attribs.id).to.be('food');
|
|
});
|
|
|
|
it('(selector, filter) : should get all of the parents that match the filter', function() {
|
|
var result = $('.apple, .sweetcorn').parentsUntil('.saladbar', '#vegetables');
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('vegetables');
|
|
});
|
|
|
|
it('() : should return empty object when called on an empty object', function() {
|
|
var result = $('.saladbar').parentsUntil();
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('() : should return an empty set for top-level elements', function() {
|
|
var result = $('#food').parentsUntil();
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('(cheerio object) : should return all parents until any member of the cheerio object', function() {
|
|
var $fruits = $('#fruits');
|
|
var $until = $('#food');
|
|
var result = $fruits.children().eq(1).parentsUntil($until);
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
});
|
|
|
|
});
|
|
|
|
describe('.parent', function() {
|
|
|
|
it('() : should return the parent of each matched element', function() {
|
|
var result = $('.orange').parent();
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
result = $('li', food).parent();
|
|
expect(result).to.have.length(2);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
expect(result[1].attribs.id).to.be('vegetables');
|
|
});
|
|
|
|
it('() : should return an empty object for top-level elements', function() {
|
|
var result = $('ul').parent();
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
it('() : should not contain duplicate elements', function() {
|
|
var result = $('li').parent();
|
|
expect(result).to.have.length(1);
|
|
});
|
|
|
|
it('(selector) : should filter the matched parent elements by the selector', function() {
|
|
var result = $('.orange').parent();
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
result = $('li', food).parent('#fruits');
|
|
expect(result).to.have.length(1);
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
});
|
|
|
|
});
|
|
|
|
describe('.closest', function() {
|
|
|
|
it('() : should return an empty array', function() {
|
|
var result = $('.orange').closest();
|
|
expect(result).to.have.length(0);
|
|
expect(result).to.be.a(cheerio);
|
|
});
|
|
|
|
it('(selector) : should find the closest element that matches the selector, searching through its ancestors and itself', function() {
|
|
expect($('.orange').closest('.apple')).to.have.length(0);
|
|
var result = $('.orange', food).closest('#food');
|
|
expect(result[0].attribs.id).to.be('food');
|
|
result = $('.orange', food).closest('ul');
|
|
expect(result[0].attribs.id).to.be('fruits');
|
|
result = $('.orange', food).closest('li');
|
|
expect(result[0].attribs['class']).to.be('orange');
|
|
});
|
|
|
|
it('(selector) : should find the closest element of each item, removing duplicates', function() {
|
|
var result = $('li', food).closest('ul');
|
|
expect(result).to.have.length(2);
|
|
});
|
|
|
|
it('() : should not break if the selector does not have any results', function() {
|
|
var result = $('.saladbar', food).closest('ul');
|
|
expect(result).to.have.length(0);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.each', function() {
|
|
|
|
it('( (i, elem) -> ) : should loop selected returning fn with (i, elem)', function() {
|
|
var items = [],
|
|
classes = ['apple', 'orange', 'pear'];
|
|
$('li').each(function(idx, elem) {
|
|
items[idx] = elem;
|
|
expect(this.attribs['class']).to.equal(classes[idx]);
|
|
});
|
|
expect(items[0].attribs['class']).to.equal('apple');
|
|
expect(items[1].attribs['class']).to.equal('orange');
|
|
expect(items[2].attribs['class']).to.equal('pear');
|
|
});
|
|
|
|
it('( (i, elem) -> ) : should break iteration when the iterator function returns false', function() {
|
|
var iterationCount = 0;
|
|
$('li').each(function(idx) {
|
|
iterationCount++;
|
|
return idx < 1;
|
|
});
|
|
|
|
expect(iterationCount).to.equal(2);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.map', function() {
|
|
it('(fn) : should be invoked with the correct arguments and context', function() {
|
|
var $fruits = $('li');
|
|
var args = [];
|
|
var thisVals = [];
|
|
|
|
$fruits.map(function() {
|
|
args.push(Array.prototype.slice.call(arguments));
|
|
thisVals.push(this);
|
|
});
|
|
|
|
expect(args).to.eql([
|
|
[0, $fruits[0]],
|
|
[1, $fruits[1]],
|
|
[2, $fruits[2]]
|
|
]);
|
|
expect(thisVals).to.eql([
|
|
$fruits[0],
|
|
$fruits[1],
|
|
$fruits[2]
|
|
]);
|
|
});
|
|
|
|
it('(fn) : should return an Cheerio object wrapping the returned items', function() {
|
|
var $fruits = $('li');
|
|
var $mapped = $fruits.map(function(i) {
|
|
return $fruits[2 - i];
|
|
});
|
|
|
|
expect($mapped).to.have.length(3);
|
|
expect($mapped[0]).to.be($fruits[2]);
|
|
expect($mapped[1]).to.be($fruits[1]);
|
|
expect($mapped[2]).to.be($fruits[0]);
|
|
});
|
|
|
|
it('(fn) : should ignore `null` and `undefined` returned by iterator', function() {
|
|
var $fruits = $('li');
|
|
var retVals = [null, undefined, $fruits[1]];
|
|
|
|
var $mapped = $fruits.map(function(i) {
|
|
return retVals[i];
|
|
});
|
|
|
|
expect($mapped).to.have.length(1);
|
|
expect($mapped[0]).to.be($fruits[1]);
|
|
});
|
|
|
|
it('(fn) : should preform a shallow merge on arrays returned by iterator', function() {
|
|
var $fruits = $('li');
|
|
|
|
var $mapped = $fruits.map(function() {
|
|
return [1, [3, 4]];
|
|
});
|
|
|
|
expect($mapped.get()).to.eql([
|
|
1, [3, 4],
|
|
1, [3, 4],
|
|
1, [3, 4]
|
|
]);
|
|
});
|
|
|
|
it('(fn) : should tolerate `null` and `undefined` when flattening arrays returned by iterator', function() {
|
|
var $fruits = $('li');
|
|
|
|
var $mapped = $fruits.map(function() {
|
|
return [null, undefined];
|
|
});
|
|
|
|
expect($mapped.get()).to.eql([
|
|
null, undefined,
|
|
null, undefined,
|
|
null, undefined,
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('.filter', function() {
|
|
it('(selector) : should reduce the set of matched elements to those that match the selector', function() {
|
|
var pear = $('li').filter('.pear').text();
|
|
expect(pear).to.be('Pear');
|
|
});
|
|
|
|
it('(selector) : should not consider nested elements', function() {
|
|
var lis = $('#fruits').filter('li');
|
|
expect(lis).to.have.length(0);
|
|
});
|
|
|
|
it('(selection) : should reduce the set of matched elements to those that are contained in the provided selection', function() {
|
|
var $fruits = $('li');
|
|
var $pear = $fruits.filter('.pear, .apple');
|
|
expect($fruits.filter($pear)).to.have.length(2);
|
|
});
|
|
|
|
it('(element) : should reduce the set of matched elements to those that specified directly', function() {
|
|
var $fruits = $('li');
|
|
var pear = $fruits.filter('.pear')[0];
|
|
expect($fruits.filter(pear)).to.have.length(1);
|
|
});
|
|
|
|
it('(fn) : should reduce the set of matched elements to those that pass the function\'s test', function() {
|
|
var orange = $('li').filter(function(i, el) {
|
|
expect(this).to.be(el);
|
|
expect(el.tagName).to.be('li');
|
|
expect(i).to.be.a('number');
|
|
return $(this).attr('class') === 'orange';
|
|
}).text();
|
|
|
|
expect(orange).to.be('Orange');
|
|
});
|
|
});
|
|
|
|
describe('.not', function() {
|
|
it('(selector) : should reduce the set of matched elements to those that do not match the selector', function() {
|
|
var $fruits = $('li');
|
|
|
|
var $notPear = $fruits.not('.pear');
|
|
|
|
expect($notPear).to.have.length(2);
|
|
expect($notPear[0]).to.be($fruits[0]);
|
|
expect($notPear[1]).to.be($fruits[1]);
|
|
});
|
|
|
|
it('(selector) : should not consider nested elements', function() {
|
|
var lis = $('#fruits').not('li');
|
|
expect(lis).to.have.length(1);
|
|
});
|
|
|
|
it('(selection) : should reduce the set of matched elements to those that are mot contained in the provided selection', function() {
|
|
var $fruits = $('li');
|
|
var $orange = $('.orange');
|
|
|
|
var $notOrange = $fruits.not($orange);
|
|
|
|
expect($notOrange).to.have.length(2);
|
|
expect($notOrange[0]).to.be($fruits[0]);
|
|
expect($notOrange[1]).to.be($fruits[2]);
|
|
});
|
|
|
|
it('(element) : should reduce the set of matched elements to those that specified directly', function() {
|
|
var $fruits = $('li');
|
|
var apple = $('.apple')[0];
|
|
|
|
var $notApple = $fruits.not(apple);
|
|
|
|
expect($notApple).to.have.length(2);
|
|
expect($notApple[0]).to.be($fruits[1]);
|
|
expect($notApple[1]).to.be($fruits[2]);
|
|
});
|
|
|
|
it('(fn) : should reduce the set of matched elements to those that do not pass the function\'s test', function() {
|
|
var $fruits = $('li');
|
|
|
|
var $notOrange = $fruits.not(function(i, el) {
|
|
expect(this).to.be(el);
|
|
expect(el.name).to.be('li');
|
|
expect(i).to.be.a('number');
|
|
return $(this).attr('class') === 'orange';
|
|
});
|
|
|
|
expect($notOrange).to.have.length(2);
|
|
expect($notOrange[0]).to.be($fruits[0]);
|
|
expect($notOrange[1]).to.be($fruits[2]);
|
|
});
|
|
});
|
|
|
|
describe('.has', function() {
|
|
|
|
beforeEach(function() {
|
|
$ = cheerio.load(food);
|
|
});
|
|
|
|
it('(selector) : should reduce the set of matched elements to those with descendants that match the selector', function() {
|
|
var $fruits = $('#fruits,#vegetables').has('.pear');
|
|
expect($fruits).to.have.length(1);
|
|
expect($fruits[0]).to.be($('#fruits')[0]);
|
|
});
|
|
|
|
it('(selector) : should only consider nested elements', function() {
|
|
var $empty = $('#fruits').has('#fruits');
|
|
expect($empty).to.have.length(0);
|
|
});
|
|
|
|
it('(element) : should reduce the set of matched elements to those that are ancestors of the provided element', function() {
|
|
var $fruits = $('#fruits,#vegetables').has($('.pear')[0]);
|
|
expect($fruits).to.have.length(1);
|
|
expect($fruits[0]).to.be($('#fruits')[0]);
|
|
});
|
|
|
|
it('(element) : should only consider nested elements', function() {
|
|
var $fruits = $('#fruits');
|
|
var fruits = $fruits[0];
|
|
var $empty = $fruits.has(fruits);
|
|
|
|
expect($empty).to.have.length(0);
|
|
});
|
|
});
|
|
|
|
describe('.first', function() {
|
|
|
|
it('() : should return the first item', function() {
|
|
var $src = $('<span>foo</span><span>bar</span><span>baz</span>');
|
|
var $elem = $src.first();
|
|
expect($elem.length).to.equal(1);
|
|
expect($elem[0].childNodes[0].data).to.equal('foo');
|
|
});
|
|
|
|
it('() : should return an empty object for an empty object', function() {
|
|
var $src = $();
|
|
var $first = $src.first();
|
|
expect($first.length).to.equal(0);
|
|
expect($first[0]).to.be(undefined);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.last', function() {
|
|
|
|
it('() : should return the last element', function() {
|
|
var $src = $('<span>foo</span><span>bar</span><span>baz</span>');
|
|
var $elem = $src.last();
|
|
expect($elem.length).to.equal(1);
|
|
expect($elem[0].childNodes[0].data).to.equal('baz');
|
|
});
|
|
|
|
it('() : should return an empty object for an empty object', function() {
|
|
var $src = $();
|
|
var $last = $src.last();
|
|
expect($last.length).to.equal(0);
|
|
expect($last[0]).to.be(undefined);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.first & .last', function() {
|
|
|
|
it('() : should return equivalent collections if only one element', function() {
|
|
var $src = $('<span>bar</span>');
|
|
var $first = $src.first();
|
|
var $last = $src.last();
|
|
expect($first.length).to.equal(1);
|
|
expect($first[0].childNodes[0].data).to.equal('bar');
|
|
expect($last.length).to.equal(1);
|
|
expect($last[0].childNodes[0].data).to.equal('bar');
|
|
expect($first[0]).to.equal($last[0]);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.eq', function() {
|
|
|
|
function getText(el) {
|
|
if(!el.length) return '';
|
|
return el[0].childNodes[0].data;
|
|
}
|
|
|
|
it('(i) : should return the element at the specified index', function() {
|
|
expect(getText($('li').eq(0))).to.equal('Apple');
|
|
expect(getText($('li').eq(1))).to.equal('Orange');
|
|
expect(getText($('li').eq(2))).to.equal('Pear');
|
|
expect(getText($('li').eq(3))).to.equal('');
|
|
expect(getText($('li').eq(-1))).to.equal('Pear');
|
|
});
|
|
|
|
});
|
|
|
|
describe('.get', function() {
|
|
|
|
it('(i) : should return the element at the specified index', function() {
|
|
var children = $('#fruits').children();
|
|
expect(children.get(0)).to.be(children[0]);
|
|
expect(children.get(1)).to.be(children[1]);
|
|
expect(children.get(2)).to.be(children[2]);
|
|
});
|
|
|
|
it('(-1) : should return the element indexed from the end of the collection', function() {
|
|
var children = $('#fruits').children();
|
|
expect(children.get(-1)).to.be(children[2]);
|
|
expect(children.get(-2)).to.be(children[1]);
|
|
expect(children.get(-3)).to.be(children[0]);
|
|
});
|
|
|
|
it('() : should return an array containing all of the collection', function() {
|
|
var children = $('#fruits').children();
|
|
var all = children.get();
|
|
expect(Array.isArray(all)).to.be.ok();
|
|
expect(all).to.eql([
|
|
children[0],
|
|
children[1],
|
|
children[2]
|
|
]);
|
|
});
|
|
|
|
});
|
|
|
|
describe('.index', function() {
|
|
describe('() : ', function() {
|
|
it('returns the index of a child amongst its siblings', function() {
|
|
expect($('.orange').index()).to.be(1);
|
|
});
|
|
it('returns -1 when the selection has no parent', function() {
|
|
expect($('<div/>').index()).to.be(-1);
|
|
});
|
|
});
|
|
|
|
describe('(selector) : ', function() {
|
|
it('returns the index of the first element in the set matched by `selector`', function() {
|
|
expect($('.apple').index('#fruits, li')).to.be(1);
|
|
});
|
|
it('returns -1 when the item is not present in the set matched by `selector`', function() {
|
|
expect($('.apple').index('#fuits')).to.be(-1);
|
|
});
|
|
it('returns -1 when the first element in the set has no parent', function() {
|
|
expect($('<div/>').index('*')).to.be(-1);
|
|
});
|
|
});
|
|
|
|
describe('(node) : ', function() {
|
|
it('returns the index of the given node within the current selection', function() {
|
|
var $lis = $('li');
|
|
expect($lis.index($lis.get(1))).to.be(1);
|
|
});
|
|
it('returns the index of the given node within the current selection when the current selection has no parent', function() {
|
|
var $apple = $('.apple').remove();
|
|
|
|
expect($apple.index($apple.get(0))).to.be(0);
|
|
});
|
|
it('returns -1 when the given node is not present in the current selection', function() {
|
|
expect($('li').index($('#fruits').get(0))).to.be(-1);
|
|
});
|
|
it('returns -1 when the current selection is empty', function() {
|
|
expect($('.not-fruit').index($('#fruits').get(0))).to.be(-1);
|
|
});
|
|
});
|
|
|
|
describe('(selection) : ', function() {
|
|
it('returns the index of the first node in the provided selection within the current selection', function() {
|
|
var $lis = $('li');
|
|
expect($lis.index($('.orange, .pear'))).to.be(1);
|
|
});
|
|
it('returns -1 when the given node is not present in the current selection', function() {
|
|
expect($('li').index($('#fruits'))).to.be(-1);
|
|
});
|
|
it('returns -1 when the current selection is empty', function() {
|
|
expect($('.not-fruit').index($('#fruits'))).to.be(-1);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('.slice', function() {
|
|
|
|
function getText(el) {
|
|
if(!el.length) return '';
|
|
return el[0].childNodes[0].data;
|
|
}
|
|
|
|
it('(start) : should return all elements after the given index', function() {
|
|
var sliced = $('li').slice(1);
|
|
expect(sliced).to.have.length(2);
|
|
expect(getText(sliced.eq(0))).to.equal('Orange');
|
|
expect(getText(sliced.eq(1))).to.equal('Pear');
|
|
});
|
|
|
|
it('(start, end) : should return all elements matching the given range', function() {
|
|
var sliced = $('li').slice(1, 2);
|
|
expect(sliced).to.have.length(1);
|
|
expect(getText(sliced.eq(0))).to.equal('Orange');
|
|
});
|
|
|
|
it('(-start) : should return element matching the offset from the end', function() {
|
|
var sliced = $('li').slice(-1);
|
|
expect(sliced).to.have.length(1);
|
|
expect(getText(sliced.eq(0))).to.equal('Pear');
|
|
});
|
|
|
|
});
|
|
|
|
describe('.end() :', function() {
|
|
var $fruits;
|
|
|
|
beforeEach(function() {
|
|
$fruits = $('#fruits').children();
|
|
});
|
|
|
|
it('returns an empty object at the end of the chain', function() {
|
|
expect($fruits.end().end().end()).to.be.ok();
|
|
expect($fruits.end().end().end()).to.have.length(0);
|
|
});
|
|
it('find', function() {
|
|
expect($fruits.find('.apple').end()).to.be($fruits);
|
|
});
|
|
it('filter', function() {
|
|
expect($fruits.filter('.apple').end()).to.be($fruits);
|
|
});
|
|
it('map', function() {
|
|
expect($fruits.map(function() { return this; }).end()).to.be($fruits);
|
|
});
|
|
it('contents', function() {
|
|
expect($fruits.contents().end()).to.be($fruits);
|
|
});
|
|
it('eq', function() {
|
|
expect($fruits.eq(1).end()).to.be($fruits);
|
|
});
|
|
it('first', function() {
|
|
expect($fruits.first().end()).to.be($fruits);
|
|
});
|
|
it('last', function() {
|
|
expect($fruits.last().end()).to.be($fruits);
|
|
});
|
|
it('slice', function() {
|
|
expect($fruits.slice(1).end()).to.be($fruits);
|
|
});
|
|
it('children', function() {
|
|
expect($fruits.children().end()).to.be($fruits);
|
|
});
|
|
it('parent', function() {
|
|
expect($fruits.parent().end()).to.be($fruits);
|
|
});
|
|
it('parents', function() {
|
|
expect($fruits.parents().end()).to.be($fruits);
|
|
});
|
|
it('closest', function() {
|
|
expect($fruits.closest('ul').end()).to.be($fruits);
|
|
});
|
|
it('siblings', function() {
|
|
expect($fruits.siblings().end()).to.be($fruits);
|
|
});
|
|
it('next', function() {
|
|
expect($fruits.next().end()).to.be($fruits);
|
|
});
|
|
it('nextAll', function() {
|
|
expect($fruits.nextAll().end()).to.be($fruits);
|
|
});
|
|
it('prev', function() {
|
|
expect($fruits.prev().end()).to.be($fruits);
|
|
});
|
|
it('prevAll', function() {
|
|
expect($fruits.prevAll().end()).to.be($fruits);
|
|
});
|
|
it('clone', function() {
|
|
expect($fruits.clone().end()).to.be($fruits);
|
|
});
|
|
});
|
|
|
|
describe('.add', function() {
|
|
var $ = cheerio.load(food);
|
|
var $fruits = $('#fruits');
|
|
var $apple = $('.apple');
|
|
var $orange = $('.orange');
|
|
var $pear = $('.pear');
|
|
var $carrot = $('.carrot');
|
|
var $sweetcorn = $('.sweetcorn');
|
|
|
|
describe('(selector', function() {
|
|
describe(') :', function() {
|
|
describe('matched element', function() {
|
|
it('occurs before current selection', function() {
|
|
var $selection = $orange.add('.apple');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('is identical to the current selection', function() {
|
|
var $selection = $orange.add('.orange');
|
|
|
|
expect($selection).to.have.length(1);
|
|
expect($selection[0]).to.be($orange[0]);
|
|
});
|
|
it('occurs after current selection', function() {
|
|
var $selection = $orange.add('.pear');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($orange[0]);
|
|
expect($selection[1]).to.be($pear[0]);
|
|
});
|
|
it('contains the current selection', function() {
|
|
var $selection = $orange.add('#fruits');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('is a child of the current selection', function() {
|
|
var $selection = $fruits.add('.orange');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
});
|
|
describe('matched elements', function() {
|
|
it('occur before the current selection', function() {
|
|
var $selection = $pear.add('.apple, .orange');
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('include the current selection', function() {
|
|
var $selection = $pear.add('#fruits li');
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur after the current selection', function() {
|
|
var $selection = $apple.add('.orange, .pear');
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur within the current selection', function() {
|
|
var $selection = $fruits.add('#fruits li');
|
|
|
|
expect($selection).to.have.length(4);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($apple[0]);
|
|
expect($selection[2]).to.be($orange[0]);
|
|
expect($selection[3]).to.be($pear[0]);
|
|
});
|
|
});
|
|
});
|
|
it(', context)', function() {
|
|
var $selection = $fruits.add('li', '#vegetables');
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($carrot[0]);
|
|
expect($selection[2]).to.be($sweetcorn[0]);
|
|
});
|
|
});
|
|
|
|
describe('(element) :', function() {
|
|
describe('honors document order when element occurs', function() {
|
|
it('before the current selection', function() {
|
|
var $selection = $orange.add($apple[0]);
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('after the current selection', function() {
|
|
var $selection = $orange.add($pear[0]);
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($orange[0]);
|
|
expect($selection[1]).to.be($pear[0]);
|
|
});
|
|
it('within the current selection', function() {
|
|
var $selection = $fruits.add($orange[0]);
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('as an ancestor of the current selection', function() {
|
|
var $selection = $orange.add($fruits[0]);
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
});
|
|
it('does not insert an element already contained within the current selection', function() {
|
|
var $selection = $apple.add($apple[0]);
|
|
|
|
expect($selection).to.have.length(1);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
});
|
|
});
|
|
describe('([elements]) : elements', function() {
|
|
it('occur before the current selection', function() {
|
|
var $selection = $pear.add($('.apple, .orange').get());
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('include the current selection', function() {
|
|
var $selection = $pear.add($('#fruits li').get());
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur after the current selection', function() {
|
|
var $selection = $apple.add($('.orange, .pear').get());
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur within the current selection', function() {
|
|
var $selection = $fruits.add($('#fruits li').get());
|
|
|
|
expect($selection).to.have.length(4);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($apple[0]);
|
|
expect($selection[2]).to.be($orange[0]);
|
|
expect($selection[3]).to.be($pear[0]);
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Element order is undefined in this case, so it should not be asserted
|
|
* here.
|
|
*
|
|
* > If the collection consists of elements from different documents or
|
|
* > ones not in any document, the sort order is undefined.
|
|
*
|
|
* http://api.jquery.com/add/
|
|
*/
|
|
it('(html) : correctly parses and adds the new elements', function() {
|
|
var $selection = $apple.add('<li class="banana">banana</li>');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection.is('.apple')).to.be(true);
|
|
expect($selection.is('.banana')).to.be(true);
|
|
});
|
|
|
|
describe('(selection) :', function() {
|
|
describe('element in selection', function() {
|
|
it('occurs before current selection', function() {
|
|
var $selection = $orange.add($('.apple'));
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('is identical to the current selection', function() {
|
|
var $selection = $orange.add($('.orange'));
|
|
|
|
expect($selection).to.have.length(1);
|
|
expect($selection[0]).to.be($orange[0]);
|
|
});
|
|
it('occurs after current selection', function() {
|
|
var $selection = $orange.add($('.pear'));
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($orange[0]);
|
|
expect($selection[1]).to.be($pear[0]);
|
|
});
|
|
it('contains the current selection', function() {
|
|
var $selection = $orange.add($('#fruits'));
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
it('is a child of the current selection', function() {
|
|
var $selection = $fruits.add($('.orange'));
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
});
|
|
});
|
|
describe('elements in the selection', function() {
|
|
it('occur before the current selection', function() {
|
|
var $selection = $pear.add($('.apple, .orange'));
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('include the current selection', function() {
|
|
var $selection = $pear.add($('#fruits li'));
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur after the current selection', function() {
|
|
var $selection = $apple.add($('.orange, .pear'));
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($apple[0]);
|
|
expect($selection[1]).to.be($orange[0]);
|
|
expect($selection[2]).to.be($pear[0]);
|
|
});
|
|
it('occur within the current selection', function() {
|
|
var $selection = $fruits.add($('#fruits li'));
|
|
|
|
expect($selection).to.have.length(4);
|
|
expect($selection[0]).to.be($fruits[0]);
|
|
expect($selection[1]).to.be($apple[0]);
|
|
expect($selection[2]).to.be($orange[0]);
|
|
expect($selection[3]).to.be($pear[0]);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('.addBack', function() {
|
|
describe('() : ', function() {
|
|
it('includes siblings and self', function() {
|
|
var $selection = $('.orange').siblings().addBack();
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($('.apple')[0]);
|
|
expect($selection[1]).to.be($('.orange')[0]);
|
|
expect($selection[2]).to.be($('.pear')[0]);
|
|
});
|
|
it('includes children and self', function() {
|
|
var $selection = $('#fruits').children().addBack();
|
|
|
|
expect($selection).to.have.length(4);
|
|
expect($selection[0]).to.be($('#fruits')[0]);
|
|
expect($selection[1]).to.be($('.apple')[0]);
|
|
expect($selection[2]).to.be($('.orange')[0]);
|
|
expect($selection[3]).to.be($('.pear')[0]);
|
|
});
|
|
it('includes parent and self', function() {
|
|
var $selection = $('.apple').parent().addBack();
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($('#fruits')[0]);
|
|
expect($selection[1]).to.be($('.apple')[0]);
|
|
});
|
|
it('includes parents and self', function() {
|
|
var $ = cheerio.load(food);
|
|
var $selection = $('.apple').parents().addBack();
|
|
|
|
expect($selection).to.have.length(3);
|
|
expect($selection[0]).to.be($('#food')[0]);
|
|
expect($selection[1]).to.be($('#fruits')[0]);
|
|
expect($selection[2]).to.be($('.apple')[0]);
|
|
});
|
|
});
|
|
it('(filter) : filters the previous selection', function() {
|
|
var $selection = $('li').eq(1).addBack('.apple');
|
|
|
|
expect($selection).to.have.length(2);
|
|
expect($selection[0]).to.be($('.apple')[0]);
|
|
expect($selection[1]).to.be($('.orange')[0]);
|
|
});
|
|
});
|
|
});
|