--- /dev/null
+(function() {
+
+ var a, b, c, d, e, col, otherCol;
+
+ QUnit.module('Backbone.Collection', {
+
+ beforeEach: function(assert) {
+ a = new Backbone.Model({id: 3, label: 'a'});
+ b = new Backbone.Model({id: 2, label: 'b'});
+ c = new Backbone.Model({id: 1, label: 'c'});
+ d = new Backbone.Model({id: 0, label: 'd'});
+ e = null;
+ col = new Backbone.Collection([a, b, c, d]);
+ otherCol = new Backbone.Collection();
+ }
+
+ });
+
+ QUnit.test('new and sort', function(assert) {
+ assert.expect(6);
+ var counter = 0;
+ col.on('sort', function(){ counter++; });
+ assert.deepEqual(col.pluck('label'), ['a', 'b', 'c', 'd']);
+ col.comparator = function(m1, m2) {
+ return m1.id > m2.id ? -1 : 1;
+ };
+ col.sort();
+ assert.equal(counter, 1);
+ assert.deepEqual(col.pluck('label'), ['a', 'b', 'c', 'd']);
+ col.comparator = function(model) { return model.id; };
+ col.sort();
+ assert.equal(counter, 2);
+ assert.deepEqual(col.pluck('label'), ['d', 'c', 'b', 'a']);
+ assert.equal(col.length, 4);
+ });
+
+ QUnit.test('String comparator.', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([
+ {id: 3},
+ {id: 1},
+ {id: 2}
+ ], {comparator: 'id'});
+ assert.deepEqual(collection.pluck('id'), [1, 2, 3]);
+ });
+
+ QUnit.test('new and parse', function(assert) {
+ assert.expect(3);
+ var Collection = Backbone.Collection.extend({
+ parse: function(data) {
+ return _.filter(data, function(datum) {
+ return datum.a % 2 === 0;
+ });
+ }
+ });
+ var models = [{a: 1}, {a: 2}, {a: 3}, {a: 4}];
+ var collection = new Collection(models, {parse: true});
+ assert.strictEqual(collection.length, 2);
+ assert.strictEqual(collection.first().get('a'), 2);
+ assert.strictEqual(collection.last().get('a'), 4);
+ });
+
+ QUnit.test('clone preserves model and comparator', function(assert) {
+ assert.expect(3);
+ var Model = Backbone.Model.extend();
+ var comparator = function(model){ return model.id; };
+
+ var collection = new Backbone.Collection([{id: 1}], {
+ model: Model,
+ comparator: comparator
+ }).clone();
+ collection.add({id: 2});
+ assert.ok(collection.at(0) instanceof Model);
+ assert.ok(collection.at(1) instanceof Model);
+ assert.strictEqual(collection.comparator, comparator);
+ });
+
+ QUnit.test('get', function(assert) {
+ assert.expect(6);
+ assert.equal(col.get(0), d);
+ assert.equal(col.get(d.clone()), d);
+ assert.equal(col.get(2), b);
+ assert.equal(col.get({id: 1}), c);
+ assert.equal(col.get(c.clone()), c);
+ assert.equal(col.get(col.first().cid), col.first());
+ });
+
+ QUnit.test('get with non-default ids', function(assert) {
+ assert.expect(5);
+ var MongoModel = Backbone.Model.extend({idAttribute: '_id'});
+ var model = new MongoModel({_id: 100});
+ var collection = new Backbone.Collection([model], {model: MongoModel});
+ assert.equal(collection.get(100), model);
+ assert.equal(collection.get(model.cid), model);
+ assert.equal(collection.get(model), model);
+ assert.equal(collection.get(101), void 0);
+
+ var collection2 = new Backbone.Collection();
+ collection2.model = MongoModel;
+ collection2.add(model.attributes);
+ assert.equal(collection2.get(model.clone()), collection2.first());
+ });
+
+ QUnit.test('has', function(assert) {
+ assert.expect(15);
+ assert.ok(col.has(a));
+ assert.ok(col.has(b));
+ assert.ok(col.has(c));
+ assert.ok(col.has(d));
+ assert.ok(col.has(a.id));
+ assert.ok(col.has(b.id));
+ assert.ok(col.has(c.id));
+ assert.ok(col.has(d.id));
+ assert.ok(col.has(a.cid));
+ assert.ok(col.has(b.cid));
+ assert.ok(col.has(c.cid));
+ assert.ok(col.has(d.cid));
+ var outsider = new Backbone.Model({id: 4});
+ assert.notOk(col.has(outsider));
+ assert.notOk(col.has(outsider.id));
+ assert.notOk(col.has(outsider.cid));
+ });
+
+ QUnit.test('update index when id changes', function(assert) {
+ assert.expect(4);
+ var collection = new Backbone.Collection();
+ collection.add([
+ {id: 0, name: 'one'},
+ {id: 1, name: 'two'}
+ ]);
+ var one = collection.get(0);
+ assert.equal(one.get('name'), 'one');
+ collection.on('change:name', function(model) { assert.ok(this.get(model)); });
+ one.set({name: 'dalmatians', id: 101});
+ assert.equal(collection.get(0), null);
+ assert.equal(collection.get(101).get('name'), 'dalmatians');
+ });
+
+ QUnit.test('at', function(assert) {
+ assert.expect(2);
+ assert.equal(col.at(2), c);
+ assert.equal(col.at(-2), c);
+ });
+
+ QUnit.test('pluck', function(assert) {
+ assert.expect(1);
+ assert.equal(col.pluck('label').join(' '), 'a b c d');
+ });
+
+ QUnit.test('add', function(assert) {
+ assert.expect(14);
+ var added, opts, secondAdded;
+ added = opts = secondAdded = null;
+ e = new Backbone.Model({id: 10, label: 'e'});
+ otherCol.add(e);
+ otherCol.on('add', function() {
+ secondAdded = true;
+ });
+ col.on('add', function(model, collection, options){
+ added = model.get('label');
+ opts = options;
+ });
+ col.add(e, {amazing: true});
+ assert.equal(added, 'e');
+ assert.equal(col.length, 5);
+ assert.equal(col.last(), e);
+ assert.equal(otherCol.length, 1);
+ assert.equal(secondAdded, null);
+ assert.ok(opts.amazing);
+
+ var f = new Backbone.Model({id: 20, label: 'f'});
+ var g = new Backbone.Model({id: 21, label: 'g'});
+ var h = new Backbone.Model({id: 22, label: 'h'});
+ var atCol = new Backbone.Collection([f, g, h]);
+ assert.equal(atCol.length, 3);
+ atCol.add(e, {at: 1});
+ assert.equal(atCol.length, 4);
+ assert.equal(atCol.at(1), e);
+ assert.equal(atCol.last(), h);
+
+ var coll = new Backbone.Collection(new Array(2));
+ var addCount = 0;
+ coll.on('add', function(){
+ addCount += 1;
+ });
+ coll.add([undefined, f, g]);
+ assert.equal(coll.length, 5);
+ assert.equal(addCount, 3);
+ coll.add(new Array(4));
+ assert.equal(coll.length, 9);
+ assert.equal(addCount, 7);
+ });
+
+ QUnit.test('add multiple models', function(assert) {
+ assert.expect(6);
+ var collection = new Backbone.Collection([{at: 0}, {at: 1}, {at: 9}]);
+ collection.add([{at: 2}, {at: 3}, {at: 4}, {at: 5}, {at: 6}, {at: 7}, {at: 8}], {at: 2});
+ for (var i = 0; i <= 5; i++) {
+ assert.equal(collection.at(i).get('at'), i);
+ }
+ });
+
+ QUnit.test('add; at should have preference over comparator', function(assert) {
+ assert.expect(1);
+ var Col = Backbone.Collection.extend({
+ comparator: function(m1, m2) {
+ return m1.id > m2.id ? -1 : 1;
+ }
+ });
+
+ var collection = new Col([{id: 2}, {id: 3}]);
+ collection.add(new Backbone.Model({id: 1}), {at: 1});
+
+ assert.equal(collection.pluck('id').join(' '), '3 1 2');
+ });
+
+ QUnit.test('add; at should add to the end if the index is out of bounds', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 2}, {id: 3}]);
+ collection.add(new Backbone.Model({id: 1}), {at: 5});
+
+ assert.equal(collection.pluck('id').join(' '), '2 3 1');
+ });
+
+ QUnit.test("can't add model to collection twice", function(assert) {
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 1}, {id: 2}, {id: 3}]);
+ assert.equal(collection.pluck('id').join(' '), '1 2 3');
+ });
+
+ QUnit.test("can't add different model with same id to collection twice", function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ collection.unshift({id: 101});
+ collection.add({id: 101});
+ assert.equal(collection.length, 1);
+ });
+
+ QUnit.test('merge in duplicate models with {merge: true}', function(assert) {
+ assert.expect(3);
+ var collection = new Backbone.Collection;
+ collection.add([{id: 1, name: 'Moe'}, {id: 2, name: 'Curly'}, {id: 3, name: 'Larry'}]);
+ collection.add({id: 1, name: 'Moses'});
+ assert.equal(collection.first().get('name'), 'Moe');
+ collection.add({id: 1, name: 'Moses'}, {merge: true});
+ assert.equal(collection.first().get('name'), 'Moses');
+ collection.add({id: 1, name: 'Tim'}, {merge: true, silent: true});
+ assert.equal(collection.first().get('name'), 'Tim');
+ });
+
+ QUnit.test('add model to multiple collections', function(assert) {
+ assert.expect(10);
+ var counter = 0;
+ var m = new Backbone.Model({id: 10, label: 'm'});
+ m.on('add', function(model, collection) {
+ counter++;
+ assert.equal(m, model);
+ if (counter > 1) {
+ assert.equal(collection, col2);
+ } else {
+ assert.equal(collection, col1);
+ }
+ });
+ var col1 = new Backbone.Collection([]);
+ col1.on('add', function(model, collection) {
+ assert.equal(m, model);
+ assert.equal(col1, collection);
+ });
+ var col2 = new Backbone.Collection([]);
+ col2.on('add', function(model, collection) {
+ assert.equal(m, model);
+ assert.equal(col2, collection);
+ });
+ col1.add(m);
+ assert.equal(m.collection, col1);
+ col2.add(m);
+ assert.equal(m.collection, col1);
+ });
+
+ QUnit.test('add model with parse', function(assert) {
+ assert.expect(1);
+ var Model = Backbone.Model.extend({
+ parse: function(obj) {
+ obj.value += 1;
+ return obj;
+ }
+ });
+
+ var Col = Backbone.Collection.extend({model: Model});
+ var collection = new Col;
+ collection.add({value: 1}, {parse: true});
+ assert.equal(collection.at(0).get('value'), 2);
+ });
+
+ QUnit.test('add with parse and merge', function(assert) {
+ var collection = new Backbone.Collection();
+ collection.parse = function(attrs) {
+ return _.map(attrs, function(model) {
+ if (model.model) return model.model;
+ return model;
+ });
+ };
+ collection.add({id: 1});
+ collection.add({model: {id: 1, name: 'Alf'}}, {parse: true, merge: true});
+ assert.equal(collection.first().get('name'), 'Alf');
+ });
+
+ QUnit.test('add model to collection with sort()-style comparator', function(assert) {
+ assert.expect(3);
+ var collection = new Backbone.Collection;
+ collection.comparator = function(m1, m2) {
+ return m1.get('name') < m2.get('name') ? -1 : 1;
+ };
+ var tom = new Backbone.Model({name: 'Tom'});
+ var rob = new Backbone.Model({name: 'Rob'});
+ var tim = new Backbone.Model({name: 'Tim'});
+ collection.add(tom);
+ collection.add(rob);
+ collection.add(tim);
+ assert.equal(collection.indexOf(rob), 0);
+ assert.equal(collection.indexOf(tim), 1);
+ assert.equal(collection.indexOf(tom), 2);
+ });
+
+ QUnit.test('comparator that depends on `this`', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection;
+ collection.negative = function(num) {
+ return -num;
+ };
+ collection.comparator = function(model) {
+ return this.negative(model.id);
+ };
+ collection.add([{id: 1}, {id: 2}, {id: 3}]);
+ assert.deepEqual(collection.pluck('id'), [3, 2, 1]);
+ collection.comparator = function(m1, m2) {
+ return this.negative(m2.id) - this.negative(m1.id);
+ };
+ collection.sort();
+ assert.deepEqual(collection.pluck('id'), [1, 2, 3]);
+ });
+
+ QUnit.test('remove', function(assert) {
+ assert.expect(12);
+ var removed = null;
+ var result = null;
+ col.on('remove', function(model, collection, options) {
+ removed = model.get('label');
+ assert.equal(options.index, 3);
+ assert.equal(collection.get(model), undefined, '#3693: model cannot be fetched from collection');
+ });
+ result = col.remove(d);
+ assert.equal(removed, 'd');
+ assert.strictEqual(result, d);
+ //if we try to remove d again, it's not going to actually get removed
+ result = col.remove(d);
+ assert.strictEqual(result, undefined);
+ assert.equal(col.length, 3);
+ assert.equal(col.first(), a);
+ col.off();
+ result = col.remove([c, d]);
+ assert.equal(result.length, 1, 'only returns removed models');
+ assert.equal(result[0], c, 'only returns removed models');
+ result = col.remove([c, b]);
+ assert.equal(result.length, 1, 'only returns removed models');
+ assert.equal(result[0], b, 'only returns removed models');
+ result = col.remove([]);
+ assert.deepEqual(result, [], 'returns empty array when nothing removed');
+ });
+
+ QUnit.test('add and remove return values', function(assert) {
+ assert.expect(13);
+ var Even = Backbone.Model.extend({
+ validate: function(attrs) {
+ if (attrs.id % 2 !== 0) return 'odd';
+ }
+ });
+ var collection = new Backbone.Collection;
+ collection.model = Even;
+
+ var list = collection.add([{id: 2}, {id: 4}], {validate: true});
+ assert.equal(list.length, 2);
+ assert.ok(list[0] instanceof Backbone.Model);
+ assert.equal(list[1], collection.last());
+ assert.equal(list[1].get('id'), 4);
+
+ list = collection.add([{id: 3}, {id: 6}], {validate: true});
+ assert.equal(collection.length, 3);
+ assert.equal(list[0], false);
+ assert.equal(list[1].get('id'), 6);
+
+ var result = collection.add({id: 6});
+ assert.equal(result.cid, list[1].cid);
+
+ result = collection.remove({id: 6});
+ assert.equal(collection.length, 2);
+ assert.equal(result.id, 6);
+
+ list = collection.remove([{id: 2}, {id: 8}]);
+ assert.equal(collection.length, 1);
+ assert.equal(list[0].get('id'), 2);
+ assert.equal(list[1], null);
+ });
+
+ QUnit.test('shift and pop', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]);
+ assert.equal(collection.shift().get('a'), 'a');
+ assert.equal(collection.pop().get('c'), 'c');
+ });
+
+ QUnit.test('slice', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]);
+ var array = collection.slice(1, 3);
+ assert.equal(array.length, 2);
+ assert.equal(array[0].get('b'), 'b');
+ });
+
+ QUnit.test('events are unbound on remove', function(assert) {
+ assert.expect(3);
+ var counter = 0;
+ var dj = new Backbone.Model();
+ var emcees = new Backbone.Collection([dj]);
+ emcees.on('change', function(){ counter++; });
+ dj.set({name: 'Kool'});
+ assert.equal(counter, 1);
+ emcees.reset([]);
+ assert.equal(dj.collection, undefined);
+ dj.set({name: 'Shadow'});
+ assert.equal(counter, 1);
+ });
+
+ QUnit.test('remove in multiple collections', function(assert) {
+ assert.expect(7);
+ var modelData = {
+ id: 5,
+ title: 'Othello'
+ };
+ var passed = false;
+ var m1 = new Backbone.Model(modelData);
+ var m2 = new Backbone.Model(modelData);
+ m2.on('remove', function() {
+ passed = true;
+ });
+ var col1 = new Backbone.Collection([m1]);
+ var col2 = new Backbone.Collection([m2]);
+ assert.notEqual(m1, m2);
+ assert.ok(col1.length === 1);
+ assert.ok(col2.length === 1);
+ col1.remove(m1);
+ assert.equal(passed, false);
+ assert.ok(col1.length === 0);
+ col2.remove(m1);
+ assert.ok(col2.length === 0);
+ assert.equal(passed, true);
+ });
+
+ QUnit.test('remove same model in multiple collection', function(assert) {
+ assert.expect(16);
+ var counter = 0;
+ var m = new Backbone.Model({id: 5, title: 'Othello'});
+ m.on('remove', function(model, collection) {
+ counter++;
+ assert.equal(m, model);
+ if (counter > 1) {
+ assert.equal(collection, col1);
+ } else {
+ assert.equal(collection, col2);
+ }
+ });
+ var col1 = new Backbone.Collection([m]);
+ col1.on('remove', function(model, collection) {
+ assert.equal(m, model);
+ assert.equal(col1, collection);
+ });
+ var col2 = new Backbone.Collection([m]);
+ col2.on('remove', function(model, collection) {
+ assert.equal(m, model);
+ assert.equal(col2, collection);
+ });
+ assert.equal(col1, m.collection);
+ col2.remove(m);
+ assert.ok(col2.length === 0);
+ assert.ok(col1.length === 1);
+ assert.equal(counter, 1);
+ assert.equal(col1, m.collection);
+ col1.remove(m);
+ assert.equal(null, m.collection);
+ assert.ok(col1.length === 0);
+ assert.equal(counter, 2);
+ });
+
+ QUnit.test('model destroy removes from all collections', function(assert) {
+ assert.expect(3);
+ var m = new Backbone.Model({id: 5, title: 'Othello'});
+ m.sync = function(method, model, options) { options.success(); };
+ var col1 = new Backbone.Collection([m]);
+ var col2 = new Backbone.Collection([m]);
+ m.destroy();
+ assert.ok(col1.length === 0);
+ assert.ok(col2.length === 0);
+ assert.equal(undefined, m.collection);
+ });
+
+ QUnit.test('Collection: non-persisted model destroy removes from all collections', function(assert) {
+ assert.expect(3);
+ var m = new Backbone.Model({title: 'Othello'});
+ m.sync = function(method, model, options) { throw 'should not be called'; };
+ var col1 = new Backbone.Collection([m]);
+ var col2 = new Backbone.Collection([m]);
+ m.destroy();
+ assert.ok(col1.length === 0);
+ assert.ok(col2.length === 0);
+ assert.equal(undefined, m.collection);
+ });
+
+ QUnit.test('fetch', function(assert) {
+ assert.expect(4);
+ var collection = new Backbone.Collection;
+ collection.url = '/test';
+ collection.fetch();
+ assert.equal(this.syncArgs.method, 'read');
+ assert.equal(this.syncArgs.model, collection);
+ assert.equal(this.syncArgs.options.parse, true);
+
+ collection.fetch({parse: false});
+ assert.equal(this.syncArgs.options.parse, false);
+ });
+
+ QUnit.test('fetch with an error response triggers an error event', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection();
+ collection.on('error', function() {
+ assert.ok(true);
+ });
+ collection.sync = function(method, model, options) { options.error(); };
+ collection.fetch();
+ });
+
+ QUnit.test('#3283 - fetch with an error response calls error with context', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection();
+ var obj = {};
+ var options = {
+ context: obj,
+ error: function() {
+ assert.equal(this, obj);
+ }
+ };
+ collection.sync = function(method, model, opts) {
+ opts.error.call(opts.context);
+ };
+ collection.fetch(options);
+ });
+
+ QUnit.test('ensure fetch only parses once', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ var counter = 0;
+ collection.parse = function(models) {
+ counter++;
+ return models;
+ };
+ collection.url = '/test';
+ collection.fetch();
+ this.syncArgs.options.success([]);
+ assert.equal(counter, 1);
+ });
+
+ QUnit.test('create', function(assert) {
+ assert.expect(4);
+ var collection = new Backbone.Collection;
+ collection.url = '/test';
+ var model = collection.create({label: 'f'}, {wait: true});
+ assert.equal(this.syncArgs.method, 'create');
+ assert.equal(this.syncArgs.model, model);
+ assert.equal(model.get('label'), 'f');
+ assert.equal(model.collection, collection);
+ });
+
+ QUnit.test('create with validate:true enforces validation', function(assert) {
+ assert.expect(3);
+ var ValidatingModel = Backbone.Model.extend({
+ validate: function(attrs) {
+ return 'fail';
+ }
+ });
+ var ValidatingCollection = Backbone.Collection.extend({
+ model: ValidatingModel
+ });
+ var collection = new ValidatingCollection();
+ collection.on('invalid', function(coll, error, options) {
+ assert.equal(error, 'fail');
+ assert.equal(options.validationError, 'fail');
+ });
+ assert.equal(collection.create({'foo': 'bar'}, {validate: true}), false);
+ });
+
+ QUnit.test('create will pass extra options to success callback', function(assert) {
+ assert.expect(1);
+ var Model = Backbone.Model.extend({
+ sync: function(method, model, options) {
+ _.extend(options, {specialSync: true});
+ return Backbone.Model.prototype.sync.call(this, method, model, options);
+ }
+ });
+
+ var Collection = Backbone.Collection.extend({
+ model: Model,
+ url: '/test'
+ });
+
+ var collection = new Collection;
+
+ var success = function(model, response, options) {
+ assert.ok(options.specialSync, 'Options were passed correctly to callback');
+ };
+
+ collection.create({}, {success: success});
+ this.ajaxSettings.success();
+ });
+
+ QUnit.test('create with wait:true should not call collection.parse', function(assert) {
+ assert.expect(0);
+ var Collection = Backbone.Collection.extend({
+ url: '/test',
+ parse: function() {
+ assert.ok(false);
+ }
+ });
+
+ var collection = new Collection;
+
+ collection.create({}, {wait: true});
+ this.ajaxSettings.success();
+ });
+
+ QUnit.test('a failing create returns model with errors', function(assert) {
+ var ValidatingModel = Backbone.Model.extend({
+ validate: function(attrs) {
+ return 'fail';
+ }
+ });
+ var ValidatingCollection = Backbone.Collection.extend({
+ model: ValidatingModel
+ });
+ var collection = new ValidatingCollection();
+ var m = collection.create({foo: 'bar'});
+ assert.equal(m.validationError, 'fail');
+ assert.equal(collection.length, 1);
+ });
+
+ QUnit.test('initialize', function(assert) {
+ assert.expect(1);
+ var Collection = Backbone.Collection.extend({
+ initialize: function() {
+ this.one = 1;
+ }
+ });
+ var coll = new Collection;
+ assert.equal(coll.one, 1);
+ });
+
+ QUnit.test('toJSON', function(assert) {
+ assert.expect(1);
+ assert.equal(JSON.stringify(col), '[{"id":3,"label":"a"},{"id":2,"label":"b"},{"id":1,"label":"c"},{"id":0,"label":"d"}]');
+ });
+
+ QUnit.test('where and findWhere', function(assert) {
+ assert.expect(8);
+ var model = new Backbone.Model({a: 1});
+ var coll = new Backbone.Collection([
+ model,
+ {a: 1},
+ {a: 1, b: 2},
+ {a: 2, b: 2},
+ {a: 3}
+ ]);
+ assert.equal(coll.where({a: 1}).length, 3);
+ assert.equal(coll.where({a: 2}).length, 1);
+ assert.equal(coll.where({a: 3}).length, 1);
+ assert.equal(coll.where({b: 1}).length, 0);
+ assert.equal(coll.where({b: 2}).length, 2);
+ assert.equal(coll.where({a: 1, b: 2}).length, 1);
+ assert.equal(coll.findWhere({a: 1}), model);
+ assert.equal(coll.findWhere({a: 4}), void 0);
+ });
+
+ QUnit.test('Underscore methods', function(assert) {
+ assert.expect(21);
+ assert.equal(col.map(function(model){ return model.get('label'); }).join(' '), 'a b c d');
+ assert.equal(col.some(function(model){ return model.id === 100; }), false);
+ assert.equal(col.some(function(model){ return model.id === 0; }), true);
+ assert.equal(col.reduce(function(m1, m2) {return m1.id > m2.id ? m1 : m2;}).id, 3);
+ assert.equal(col.reduceRight(function(m1, m2) {return m1.id > m2.id ? m1 : m2;}).id, 3);
+ assert.equal(col.indexOf(b), 1);
+ assert.equal(col.size(), 4);
+ assert.equal(col.rest().length, 3);
+ assert.ok(!_.includes(col.rest(), a));
+ assert.ok(_.includes(col.rest(), d));
+ assert.ok(!col.isEmpty());
+ assert.ok(!_.includes(col.without(d), d));
+
+ var wrapped = col.chain();
+ assert.equal(wrapped.map('id').max().value(), 3);
+ assert.equal(wrapped.map('id').min().value(), 0);
+ assert.deepEqual(wrapped
+ .filter(function(o){ return o.id % 2 === 0; })
+ .map(function(o){ return o.id * 2; })
+ .value(),
+ [4, 0]);
+ assert.deepEqual(col.difference([c, d]), [a, b]);
+ assert.ok(col.includes(col.sample()));
+
+ var first = col.first();
+ assert.deepEqual(col.groupBy(function(model){ return model.id; })[first.id], [first]);
+ assert.deepEqual(col.countBy(function(model){ return model.id; }), {0: 1, 1: 1, 2: 1, 3: 1});
+ assert.deepEqual(col.sortBy(function(model){ return model.id; })[0], col.at(3));
+ assert.ok(col.indexBy('id')[first.id] === first);
+ });
+
+ QUnit.test('Underscore methods with object-style and property-style iteratee', function(assert) {
+ assert.expect(26);
+ var model = new Backbone.Model({a: 4, b: 1, e: 3});
+ var coll = new Backbone.Collection([
+ {a: 1, b: 1},
+ {a: 2, b: 1, c: 1},
+ {a: 3, b: 1},
+ model
+ ]);
+ assert.equal(coll.find({a: 0}), undefined);
+ assert.deepEqual(coll.find({a: 4}), model);
+ assert.equal(coll.find('d'), undefined);
+ assert.deepEqual(coll.find('e'), model);
+ assert.equal(coll.filter({a: 0}), false);
+ assert.deepEqual(coll.filter({a: 4}), [model]);
+ assert.equal(coll.some({a: 0}), false);
+ assert.equal(coll.some({a: 1}), true);
+ assert.equal(coll.reject({a: 0}).length, 4);
+ assert.deepEqual(coll.reject({a: 4}), _.without(coll.models, model));
+ assert.equal(coll.every({a: 0}), false);
+ assert.equal(coll.every({b: 1}), true);
+ assert.deepEqual(coll.partition({a: 0})[0], []);
+ assert.deepEqual(coll.partition({a: 0})[1], coll.models);
+ assert.deepEqual(coll.partition({a: 4})[0], [model]);
+ assert.deepEqual(coll.partition({a: 4})[1], _.without(coll.models, model));
+ assert.deepEqual(coll.map({a: 2}), [false, true, false, false]);
+ assert.deepEqual(coll.map('a'), [1, 2, 3, 4]);
+ assert.deepEqual(coll.sortBy('a')[3], model);
+ assert.deepEqual(coll.sortBy('e')[0], model);
+ assert.deepEqual(coll.countBy({a: 4}), {'false': 3, 'true': 1});
+ assert.deepEqual(coll.countBy('d'), {'undefined': 4});
+ assert.equal(coll.findIndex({b: 1}), 0);
+ assert.equal(coll.findIndex({b: 9}), -1);
+ assert.equal(coll.findLastIndex({b: 1}), 3);
+ assert.equal(coll.findLastIndex({b: 9}), -1);
+ });
+
+ QUnit.test('reset', function(assert) {
+ assert.expect(16);
+
+ var resetCount = 0;
+ var models = col.models;
+ col.on('reset', function() { resetCount += 1; });
+ col.reset([]);
+ assert.equal(resetCount, 1);
+ assert.equal(col.length, 0);
+ assert.equal(col.last(), null);
+ col.reset(models);
+ assert.equal(resetCount, 2);
+ assert.equal(col.length, 4);
+ assert.equal(col.last(), d);
+ col.reset(_.map(models, function(m){ return m.attributes; }));
+ assert.equal(resetCount, 3);
+ assert.equal(col.length, 4);
+ assert.ok(col.last() !== d);
+ assert.ok(_.isEqual(col.last().attributes, d.attributes));
+ col.reset();
+ assert.equal(col.length, 0);
+ assert.equal(resetCount, 4);
+
+ var f = new Backbone.Model({id: 20, label: 'f'});
+ col.reset([undefined, f]);
+ assert.equal(col.length, 2);
+ assert.equal(resetCount, 5);
+
+ col.reset(new Array(4));
+ assert.equal(col.length, 4);
+ assert.equal(resetCount, 6);
+ });
+
+ QUnit.test('reset with different values', function(assert) {
+ var collection = new Backbone.Collection({id: 1});
+ collection.reset({id: 1, a: 1});
+ assert.equal(collection.get(1).get('a'), 1);
+ });
+
+ QUnit.test('same references in reset', function(assert) {
+ var model = new Backbone.Model({id: 1});
+ var collection = new Backbone.Collection({id: 1});
+ collection.reset(model);
+ assert.equal(collection.get(1), model);
+ });
+
+ QUnit.test('reset passes caller options', function(assert) {
+ assert.expect(3);
+ var Model = Backbone.Model.extend({
+ initialize: function(attrs, options) {
+ this.modelParameter = options.modelParameter;
+ }
+ });
+ var collection = new (Backbone.Collection.extend({model: Model}))();
+ collection.reset([{astring: 'green', anumber: 1}, {astring: 'blue', anumber: 2}], {modelParameter: 'model parameter'});
+ assert.equal(collection.length, 2);
+ collection.each(function(model) {
+ assert.equal(model.modelParameter, 'model parameter');
+ });
+ });
+
+ QUnit.test('reset does not alter options by reference', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection([{id: 1}]);
+ var origOpts = {};
+ collection.on('reset', function(coll, opts){
+ assert.equal(origOpts.previousModels, undefined);
+ assert.equal(opts.previousModels[0].id, 1);
+ });
+ collection.reset([], origOpts);
+ });
+
+ QUnit.test('trigger custom events on models', function(assert) {
+ assert.expect(1);
+ var fired = null;
+ a.on('custom', function() { fired = true; });
+ a.trigger('custom');
+ assert.equal(fired, true);
+ });
+
+ QUnit.test('add does not alter arguments', function(assert) {
+ assert.expect(2);
+ var attrs = {};
+ var models = [attrs];
+ new Backbone.Collection().add(models);
+ assert.equal(models.length, 1);
+ assert.ok(attrs === models[0]);
+ });
+
+ QUnit.test('#714: access `model.collection` in a brand new model.', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection;
+ collection.url = '/test';
+ var Model = Backbone.Model.extend({
+ set: function(attrs) {
+ assert.equal(attrs.prop, 'value');
+ assert.equal(this.collection, collection);
+ return this;
+ }
+ });
+ collection.model = Model;
+ collection.create({prop: 'value'});
+ });
+
+ QUnit.test('#574, remove its own reference to the .models array.', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection([
+ {id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}
+ ]);
+ assert.equal(collection.length, 6);
+ collection.remove(collection.models);
+ assert.equal(collection.length, 0);
+ });
+
+ QUnit.test('#861, adding models to a collection which do not pass validation, with validate:true', function(assert) {
+ assert.expect(2);
+ var Model = Backbone.Model.extend({
+ validate: function(attrs) {
+ if (attrs.id === 3) return "id can't be 3";
+ }
+ });
+
+ var Collection = Backbone.Collection.extend({
+ model: Model
+ });
+
+ var collection = new Collection;
+ collection.on('invalid', function() { assert.ok(true); });
+
+ collection.add([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}], {validate: true});
+ assert.deepEqual(collection.pluck('id'), [1, 2, 4, 5, 6]);
+ });
+
+ QUnit.test('Invalid models are discarded with validate:true.', function(assert) {
+ assert.expect(5);
+ var collection = new Backbone.Collection;
+ collection.on('test', function() { assert.ok(true); });
+ collection.model = Backbone.Model.extend({
+ validate: function(attrs){ if (!attrs.valid) return 'invalid'; }
+ });
+ var model = new collection.model({id: 1, valid: true});
+ collection.add([model, {id: 2}], {validate: true});
+ model.trigger('test');
+ assert.ok(collection.get(model.cid));
+ assert.ok(collection.get(1));
+ assert.ok(!collection.get(2));
+ assert.equal(collection.length, 1);
+ });
+
+ QUnit.test('multiple copies of the same model', function(assert) {
+ assert.expect(3);
+ var collection = new Backbone.Collection();
+ var model = new Backbone.Model();
+ collection.add([model, model]);
+ assert.equal(collection.length, 1);
+ collection.add([{id: 1}, {id: 1}]);
+ assert.equal(collection.length, 2);
+ assert.equal(collection.last().id, 1);
+ });
+
+ QUnit.test('#964 - collection.get return inconsistent', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection();
+ assert.ok(collection.get(null) === undefined);
+ assert.ok(collection.get() === undefined);
+ });
+
+ QUnit.test('#1112 - passing options.model sets collection.model', function(assert) {
+ assert.expect(2);
+ var Model = Backbone.Model.extend({});
+ var collection = new Backbone.Collection([{id: 1}], {model: Model});
+ assert.ok(collection.model === Model);
+ assert.ok(collection.at(0) instanceof Model);
+ });
+
+ QUnit.test('null and undefined are invalid ids.', function(assert) {
+ assert.expect(2);
+ var model = new Backbone.Model({id: 1});
+ var collection = new Backbone.Collection([model]);
+ model.set({id: null});
+ assert.ok(!collection.get('null'));
+ model.set({id: 1});
+ model.set({id: undefined});
+ assert.ok(!collection.get('undefined'));
+ });
+
+ QUnit.test('falsy comparator', function(assert) {
+ assert.expect(4);
+ var Col = Backbone.Collection.extend({
+ comparator: function(model){ return model.id; }
+ });
+ var collection = new Col();
+ var colFalse = new Col(null, {comparator: false});
+ var colNull = new Col(null, {comparator: null});
+ var colUndefined = new Col(null, {comparator: undefined});
+ assert.ok(collection.comparator);
+ assert.ok(!colFalse.comparator);
+ assert.ok(!colNull.comparator);
+ assert.ok(colUndefined.comparator);
+ });
+
+ QUnit.test('#1355 - `options` is passed to success callbacks', function(assert) {
+ assert.expect(2);
+ var m = new Backbone.Model({x: 1});
+ var collection = new Backbone.Collection();
+ var opts = {
+ opts: true,
+ success: function(coll, resp, options) {
+ assert.ok(options.opts);
+ }
+ };
+ collection.sync = m.sync = function( method, coll, options ){
+ options.success({});
+ };
+ collection.fetch(opts);
+ collection.create(m, opts);
+ });
+
+ QUnit.test("#1412 - Trigger 'request' and 'sync' events.", function(assert) {
+ assert.expect(4);
+ var collection = new Backbone.Collection;
+ collection.url = '/test';
+ Backbone.ajax = function(settings){ settings.success(); };
+
+ collection.on('request', function(obj, xhr, options) {
+ assert.ok(obj === collection, "collection has correct 'request' event after fetching");
+ });
+ collection.on('sync', function(obj, response, options) {
+ assert.ok(obj === collection, "collection has correct 'sync' event after fetching");
+ });
+ collection.fetch();
+ collection.off();
+
+ collection.on('request', function(obj, xhr, options) {
+ assert.ok(obj === collection.get(1), "collection has correct 'request' event after one of its models save");
+ });
+ collection.on('sync', function(obj, response, options) {
+ assert.ok(obj === collection.get(1), "collection has correct 'sync' event after one of its models save");
+ });
+ collection.create({id: 1});
+ collection.off();
+ });
+
+ QUnit.test('#3283 - fetch, create calls success with context', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection;
+ collection.url = '/test';
+ Backbone.ajax = function(settings) {
+ settings.success.call(settings.context);
+ };
+ var obj = {};
+ var options = {
+ context: obj,
+ success: function() {
+ assert.equal(this, obj);
+ }
+ };
+
+ collection.fetch(options);
+ collection.create({id: 1}, options);
+ });
+
+ QUnit.test('#1447 - create with wait adds model.', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ var model = new Backbone.Model;
+ model.sync = function(method, m, options){ options.success(); };
+ collection.on('add', function(){ assert.ok(true); });
+ collection.create(model, {wait: true});
+ });
+
+ QUnit.test('#1448 - add sorts collection after merge.', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([
+ {id: 1, x: 1},
+ {id: 2, x: 2}
+ ]);
+ collection.comparator = function(model){ return model.get('x'); };
+ collection.add({id: 1, x: 3}, {merge: true});
+ assert.deepEqual(collection.pluck('id'), [2, 1]);
+ });
+
+ QUnit.test('#1655 - groupBy can be used with a string argument.', function(assert) {
+ assert.expect(3);
+ var collection = new Backbone.Collection([{x: 1}, {x: 2}]);
+ var grouped = collection.groupBy('x');
+ assert.strictEqual(_.keys(grouped).length, 2);
+ assert.strictEqual(grouped[1][0].get('x'), 1);
+ assert.strictEqual(grouped[2][0].get('x'), 2);
+ });
+
+ QUnit.test('#1655 - sortBy can be used with a string argument.', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{x: 3}, {x: 1}, {x: 2}]);
+ var values = _.map(collection.sortBy('x'), function(model) {
+ return model.get('x');
+ });
+ assert.deepEqual(values, [1, 2, 3]);
+ });
+
+ QUnit.test('#1604 - Removal during iteration.', function(assert) {
+ assert.expect(0);
+ var collection = new Backbone.Collection([{}, {}]);
+ collection.on('add', function() {
+ collection.at(0).destroy();
+ });
+ collection.add({}, {at: 0});
+ });
+
+ QUnit.test('#1638 - `sort` during `add` triggers correctly.', function(assert) {
+ var collection = new Backbone.Collection;
+ collection.comparator = function(model) { return model.get('x'); };
+ var added = [];
+ collection.on('add', function(model) {
+ model.set({x: 3});
+ collection.sort();
+ added.push(model.id);
+ });
+ collection.add([{id: 1, x: 1}, {id: 2, x: 2}]);
+ assert.deepEqual(added, [1, 2]);
+ });
+
+ QUnit.test('fetch parses models by default', function(assert) {
+ assert.expect(1);
+ var model = {};
+ var Collection = Backbone.Collection.extend({
+ url: 'test',
+ model: Backbone.Model.extend({
+ parse: function(resp) {
+ assert.strictEqual(resp, model);
+ }
+ })
+ });
+ new Collection().fetch();
+ this.ajaxSettings.success([model]);
+ });
+
+ QUnit.test("`sort` shouldn't always fire on `add`", function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}], {
+ comparator: 'id'
+ });
+ collection.sort = function(){ assert.ok(true); };
+ collection.add([]);
+ collection.add({id: 1});
+ collection.add([{id: 2}, {id: 3}]);
+ collection.add({id: 4});
+ });
+
+ QUnit.test('#1407 parse option on constructor parses collection and models', function(assert) {
+ assert.expect(2);
+ var model = {
+ namespace: [{id: 1}, {id: 2}]
+ };
+ var Collection = Backbone.Collection.extend({
+ model: Backbone.Model.extend({
+ parse: function(m) {
+ m.name = 'test';
+ return m;
+ }
+ }),
+ parse: function(m) {
+ return m.namespace;
+ }
+ });
+ var collection = new Collection(model, {parse: true});
+
+ assert.equal(collection.length, 2);
+ assert.equal(collection.at(0).get('name'), 'test');
+ });
+
+ QUnit.test('#1407 parse option on reset parses collection and models', function(assert) {
+ assert.expect(2);
+ var model = {
+ namespace: [{id: 1}, {id: 2}]
+ };
+ var Collection = Backbone.Collection.extend({
+ model: Backbone.Model.extend({
+ parse: function(m) {
+ m.name = 'test';
+ return m;
+ }
+ }),
+ parse: function(m) {
+ return m.namespace;
+ }
+ });
+ var collection = new Collection();
+ collection.reset(model, {parse: true});
+
+ assert.equal(collection.length, 2);
+ assert.equal(collection.at(0).get('name'), 'test');
+ });
+
+
+ QUnit.test('Reset includes previous models in triggered event.', function(assert) {
+ assert.expect(1);
+ var model = new Backbone.Model();
+ var collection = new Backbone.Collection([model]);
+ collection.on('reset', function(coll, options) {
+ assert.deepEqual(options.previousModels, [model]);
+ });
+ collection.reset([]);
+ });
+
+ QUnit.test('set', function(assert) {
+ var m1 = new Backbone.Model();
+ var m2 = new Backbone.Model({id: 2});
+ var m3 = new Backbone.Model();
+ var collection = new Backbone.Collection([m1, m2]);
+
+ // Test add/change/remove events
+ collection.on('add', function(model) {
+ assert.strictEqual(model, m3);
+ });
+ collection.on('change', function(model) {
+ assert.strictEqual(model, m2);
+ });
+ collection.on('remove', function(model) {
+ assert.strictEqual(model, m1);
+ });
+
+ // remove: false doesn't remove any models
+ collection.set([], {remove: false});
+ assert.strictEqual(collection.length, 2);
+
+ // add: false doesn't add any models
+ collection.set([m1, m2, m3], {add: false});
+ assert.strictEqual(collection.length, 2);
+
+ // merge: false doesn't change any models
+ collection.set([m1, {id: 2, a: 1}], {merge: false});
+ assert.strictEqual(m2.get('a'), void 0);
+
+ // add: false, remove: false only merges existing models
+ collection.set([m1, {id: 2, a: 0}, m3, {id: 4}], {add: false, remove: false});
+ assert.strictEqual(collection.length, 2);
+ assert.strictEqual(m2.get('a'), 0);
+
+ // default options add/remove/merge as appropriate
+ collection.set([{id: 2, a: 1}, m3]);
+ assert.strictEqual(collection.length, 2);
+ assert.strictEqual(m2.get('a'), 1);
+
+ // Test removing models not passing an argument
+ collection.off('remove').on('remove', function(model) {
+ assert.ok(model === m2 || model === m3);
+ });
+ collection.set([]);
+ assert.strictEqual(collection.length, 0);
+
+ // Test null models on set doesn't clear collection
+ collection.off();
+ collection.set([{id: 1}]);
+ collection.set();
+ assert.strictEqual(collection.length, 1);
+ });
+
+ QUnit.test('set with only cids', function(assert) {
+ assert.expect(3);
+ var m1 = new Backbone.Model;
+ var m2 = new Backbone.Model;
+ var collection = new Backbone.Collection;
+ collection.set([m1, m2]);
+ assert.equal(collection.length, 2);
+ collection.set([m1]);
+ assert.equal(collection.length, 1);
+ collection.set([m1, m1, m1, m2, m2], {remove: false});
+ assert.equal(collection.length, 2);
+ });
+
+ QUnit.test('set with only idAttribute', function(assert) {
+ assert.expect(3);
+ var m1 = {_id: 1};
+ var m2 = {_id: 2};
+ var Col = Backbone.Collection.extend({
+ model: Backbone.Model.extend({
+ idAttribute: '_id'
+ })
+ });
+ var collection = new Col;
+ collection.set([m1, m2]);
+ assert.equal(collection.length, 2);
+ collection.set([m1]);
+ assert.equal(collection.length, 1);
+ collection.set([m1, m1, m1, m2, m2], {remove: false});
+ assert.equal(collection.length, 2);
+ });
+
+ QUnit.test('set + merge with default values defined', function(assert) {
+ var Model = Backbone.Model.extend({
+ defaults: {
+ key: 'value'
+ }
+ });
+ var m = new Model({id: 1});
+ var collection = new Backbone.Collection([m], {model: Model});
+ assert.equal(collection.first().get('key'), 'value');
+
+ collection.set({id: 1, key: 'other'});
+ assert.equal(collection.first().get('key'), 'other');
+
+ collection.set({id: 1, other: 'value'});
+ assert.equal(collection.first().get('key'), 'other');
+ assert.equal(collection.length, 1);
+ });
+
+ QUnit.test('merge without mutation', function(assert) {
+ var Model = Backbone.Model.extend({
+ initialize: function(attrs, options) {
+ if (attrs.child) {
+ this.set('child', new Model(attrs.child, options), options);
+ }
+ }
+ });
+ var Collection = Backbone.Collection.extend({model: Model});
+ var data = [{id: 1, child: {id: 2}}];
+ var collection = new Collection(data);
+ assert.equal(collection.first().id, 1);
+ collection.set(data);
+ assert.equal(collection.first().id, 1);
+ collection.set([{id: 2, child: {id: 2}}].concat(data));
+ assert.deepEqual(collection.pluck('id'), [2, 1]);
+ });
+
+ QUnit.test('`set` and model level `parse`', function(assert) {
+ var Model = Backbone.Model.extend({});
+ var Collection = Backbone.Collection.extend({
+ model: Model,
+ parse: function(res) { return _.map(res.models, 'model'); }
+ });
+ var model = new Model({id: 1});
+ var collection = new Collection(model);
+ collection.set({models: [
+ {model: {id: 1}},
+ {model: {id: 2}}
+ ]}, {parse: true});
+ assert.equal(collection.first(), model);
+ });
+
+ QUnit.test('`set` data is only parsed once', function(assert) {
+ var collection = new Backbone.Collection();
+ collection.model = Backbone.Model.extend({
+ parse: function(data) {
+ assert.equal(data.parsed, void 0);
+ data.parsed = true;
+ return data;
+ }
+ });
+ collection.set({}, {parse: true});
+ });
+
+ QUnit.test('`set` matches input order in the absence of a comparator', function(assert) {
+ var one = new Backbone.Model({id: 1});
+ var two = new Backbone.Model({id: 2});
+ var three = new Backbone.Model({id: 3});
+ var collection = new Backbone.Collection([one, two, three]);
+ collection.set([{id: 3}, {id: 2}, {id: 1}]);
+ assert.deepEqual(collection.models, [three, two, one]);
+ collection.set([{id: 1}, {id: 2}]);
+ assert.deepEqual(collection.models, [one, two]);
+ collection.set([two, three, one]);
+ assert.deepEqual(collection.models, [two, three, one]);
+ collection.set([{id: 1}, {id: 2}], {remove: false});
+ assert.deepEqual(collection.models, [two, three, one]);
+ collection.set([{id: 1}, {id: 2}, {id: 3}], {merge: false});
+ assert.deepEqual(collection.models, [one, two, three]);
+ collection.set([three, two, one, {id: 4}], {add: false});
+ assert.deepEqual(collection.models, [one, two, three]);
+ });
+
+ QUnit.test('#1894 - Push should not trigger a sort', function(assert) {
+ assert.expect(0);
+ var Collection = Backbone.Collection.extend({
+ comparator: 'id',
+ sort: function() { assert.ok(false); }
+ });
+ new Collection().push({id: 1});
+ });
+
+ QUnit.test('#2428 - push duplicate models, return the correct one', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ var model1 = collection.push({id: 101});
+ var model2 = collection.push({id: 101});
+ assert.ok(model2.cid === model1.cid);
+ });
+
+ QUnit.test('`set` with non-normal id', function(assert) {
+ var Collection = Backbone.Collection.extend({
+ model: Backbone.Model.extend({idAttribute: '_id'})
+ });
+ var collection = new Collection({_id: 1});
+ collection.set([{_id: 1, a: 1}], {add: false});
+ assert.equal(collection.first().get('a'), 1);
+ });
+
+ QUnit.test('#1894 - `sort` can optionally be turned off', function(assert) {
+ assert.expect(0);
+ var Collection = Backbone.Collection.extend({
+ comparator: 'id',
+ sort: function() { assert.ok(false); }
+ });
+ new Collection().add({id: 1}, {sort: false});
+ });
+
+ QUnit.test('#1915 - `parse` data in the right order in `set`', function(assert) {
+ var collection = new (Backbone.Collection.extend({
+ parse: function(data) {
+ assert.strictEqual(data.status, 'ok');
+ return data.data;
+ }
+ }));
+ var res = {status: 'ok', data: [{id: 1}]};
+ collection.set(res, {parse: true});
+ });
+
+ QUnit.test('#1939 - `parse` is passed `options`', function(assert) {
+ var done = assert.async();
+ assert.expect(1);
+ var collection = new (Backbone.Collection.extend({
+ url: '/',
+ parse: function(data, options) {
+ assert.strictEqual(options.xhr.someHeader, 'headerValue');
+ return data;
+ }
+ }));
+ var ajax = Backbone.ajax;
+ Backbone.ajax = function(params) {
+ _.defer(params.success, []);
+ return {someHeader: 'headerValue'};
+ };
+ collection.fetch({
+ success: function() { done(); }
+ });
+ Backbone.ajax = ajax;
+ });
+
+ QUnit.test('fetch will pass extra options to success callback', function(assert) {
+ assert.expect(1);
+ var SpecialSyncCollection = Backbone.Collection.extend({
+ url: '/test',
+ sync: function(method, collection, options) {
+ _.extend(options, {specialSync: true});
+ return Backbone.Collection.prototype.sync.call(this, method, collection, options);
+ }
+ });
+
+ var collection = new SpecialSyncCollection();
+
+ var onSuccess = function(coll, resp, options) {
+ assert.ok(options.specialSync, 'Options were passed correctly to callback');
+ };
+
+ collection.fetch({success: onSuccess});
+ this.ajaxSettings.success();
+ });
+
+ QUnit.test('`add` only `sort`s when necessary', function(assert) {
+ assert.expect(2);
+ var collection = new (Backbone.Collection.extend({
+ comparator: 'a'
+ }))([{id: 1}, {id: 2}, {id: 3}]);
+ collection.on('sort', function() { assert.ok(true); });
+ collection.add({id: 4}); // do sort, new model
+ collection.add({id: 1, a: 1}, {merge: true}); // do sort, comparator change
+ collection.add({id: 1, b: 1}, {merge: true}); // don't sort, no comparator change
+ collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no comparator change
+ collection.add(collection.models); // don't sort, nothing new
+ collection.add(collection.models, {merge: true}); // don't sort
+ });
+
+ QUnit.test('`add` only `sort`s when necessary with comparator function', function(assert) {
+ assert.expect(3);
+ var collection = new (Backbone.Collection.extend({
+ comparator: function(m1, m2) {
+ return m1.get('a') > m2.get('a') ? 1 : (m1.get('a') < m2.get('a') ? -1 : 0);
+ }
+ }))([{id: 1}, {id: 2}, {id: 3}]);
+ collection.on('sort', function() { assert.ok(true); });
+ collection.add({id: 4}); // do sort, new model
+ collection.add({id: 1, a: 1}, {merge: true}); // do sort, model change
+ collection.add({id: 1, b: 1}, {merge: true}); // do sort, model change
+ collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no model change
+ collection.add(collection.models); // don't sort, nothing new
+ collection.add(collection.models, {merge: true}); // don't sort
+ });
+
+ QUnit.test('Attach options to collection.', function(assert) {
+ assert.expect(2);
+ var Model = Backbone.Model;
+ var comparator = function(){};
+
+ var collection = new Backbone.Collection([], {
+ model: Model,
+ comparator: comparator
+ });
+
+ assert.ok(collection.model === Model);
+ assert.ok(collection.comparator === comparator);
+ });
+
+ QUnit.test('Pass falsey for `models` for empty Col with `options`', function(assert) {
+ assert.expect(9);
+ var opts = {a: 1, b: 2};
+ _.forEach([undefined, null, false], function(falsey) {
+ var Collection = Backbone.Collection.extend({
+ initialize: function(models, options) {
+ assert.strictEqual(models, falsey);
+ assert.strictEqual(options, opts);
+ }
+ });
+
+ var collection = new Collection(falsey, opts);
+ assert.strictEqual(collection.length, 0);
+ });
+ });
+
+ QUnit.test('`add` overrides `set` flags', function(assert) {
+ var collection = new Backbone.Collection();
+ collection.once('add', function(model, coll, options) {
+ coll.add({id: 2}, options);
+ });
+ collection.set({id: 1});
+ assert.equal(collection.length, 2);
+ });
+
+ QUnit.test('#2606 - Collection#create, success arguments', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ collection.url = 'test';
+ collection.create({}, {
+ success: function(model, resp, options) {
+ assert.strictEqual(resp, 'response');
+ }
+ });
+ this.ajaxSettings.success('response');
+ });
+
+ QUnit.test('#2612 - nested `parse` works with `Collection#set`', function(assert) {
+
+ var Job = Backbone.Model.extend({
+ constructor: function() {
+ this.items = new Items();
+ Backbone.Model.apply(this, arguments);
+ },
+ parse: function(attrs) {
+ this.items.set(attrs.items, {parse: true});
+ return _.omit(attrs, 'items');
+ }
+ });
+
+ var Item = Backbone.Model.extend({
+ constructor: function() {
+ this.subItems = new Backbone.Collection();
+ Backbone.Model.apply(this, arguments);
+ },
+ parse: function(attrs) {
+ this.subItems.set(attrs.subItems, {parse: true});
+ return _.omit(attrs, 'subItems');
+ }
+ });
+
+ var Items = Backbone.Collection.extend({
+ model: Item
+ });
+
+ var data = {
+ name: 'JobName',
+ id: 1,
+ items: [{
+ id: 1,
+ name: 'Sub1',
+ subItems: [
+ {id: 1, subName: 'One'},
+ {id: 2, subName: 'Two'}
+ ]
+ }, {
+ id: 2,
+ name: 'Sub2',
+ subItems: [
+ {id: 3, subName: 'Three'},
+ {id: 4, subName: 'Four'}
+ ]
+ }]
+ };
+
+ var newData = {
+ name: 'NewJobName',
+ id: 1,
+ items: [{
+ id: 1,
+ name: 'NewSub1',
+ subItems: [
+ {id: 1, subName: 'NewOne'},
+ {id: 2, subName: 'NewTwo'}
+ ]
+ }, {
+ id: 2,
+ name: 'NewSub2',
+ subItems: [
+ {id: 3, subName: 'NewThree'},
+ {id: 4, subName: 'NewFour'}
+ ]
+ }]
+ };
+
+ var job = new Job(data, {parse: true});
+ assert.equal(job.get('name'), 'JobName');
+ assert.equal(job.items.at(0).get('name'), 'Sub1');
+ assert.equal(job.items.length, 2);
+ assert.equal(job.items.get(1).subItems.get(1).get('subName'), 'One');
+ assert.equal(job.items.get(2).subItems.get(3).get('subName'), 'Three');
+ job.set(job.parse(newData, {parse: true}));
+ assert.equal(job.get('name'), 'NewJobName');
+ assert.equal(job.items.at(0).get('name'), 'NewSub1');
+ assert.equal(job.items.length, 2);
+ assert.equal(job.items.get(1).subItems.get(1).get('subName'), 'NewOne');
+ assert.equal(job.items.get(2).subItems.get(3).get('subName'), 'NewThree');
+ });
+
+ QUnit.test('_addReference binds all collection events & adds to the lookup hashes', function(assert) {
+ assert.expect(8);
+
+ var calls = {add: 0, remove: 0};
+
+ var Collection = Backbone.Collection.extend({
+
+ _addReference: function(model) {
+ Backbone.Collection.prototype._addReference.apply(this, arguments);
+ calls.add++;
+ assert.equal(model, this._byId[model.id]);
+ assert.equal(model, this._byId[model.cid]);
+ assert.equal(model._events.all.length, 1);
+ },
+
+ _removeReference: function(model) {
+ Backbone.Collection.prototype._removeReference.apply(this, arguments);
+ calls.remove++;
+ assert.equal(this._byId[model.id], void 0);
+ assert.equal(this._byId[model.cid], void 0);
+ assert.equal(model.collection, void 0);
+ }
+
+ });
+
+ var collection = new Collection();
+ var model = collection.add({id: 1});
+ collection.remove(model);
+
+ assert.equal(calls.add, 1);
+ assert.equal(calls.remove, 1);
+ });
+
+ QUnit.test('Do not allow duplicate models to be `add`ed or `set`', function(assert) {
+ var collection = new Backbone.Collection();
+
+ collection.add([{id: 1}, {id: 1}]);
+ assert.equal(collection.length, 1);
+ assert.equal(collection.models.length, 1);
+
+ collection.set([{id: 1}, {id: 1}]);
+ assert.equal(collection.length, 1);
+ assert.equal(collection.models.length, 1);
+ });
+
+ QUnit.test('#3020: #set with {add: false} should not throw.', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection;
+ collection.set([{id: 1}], {add: false});
+ assert.strictEqual(collection.length, 0);
+ assert.strictEqual(collection.models.length, 0);
+ });
+
+ QUnit.test('create with wait, model instance, #3028', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection();
+ var model = new Backbone.Model({id: 1});
+ model.sync = function(){
+ assert.equal(this.collection, collection);
+ };
+ collection.create(model, {wait: true});
+ });
+
+ QUnit.test('modelId', function(assert) {
+ var Stooge = Backbone.Model.extend();
+ var StoogeCollection = Backbone.Collection.extend({model: Stooge});
+
+ // Default to using `Collection::model::idAttribute`.
+ assert.equal(StoogeCollection.prototype.modelId({id: 1}), 1);
+ Stooge.prototype.idAttribute = '_id';
+ assert.equal(StoogeCollection.prototype.modelId({_id: 1}), 1);
+ });
+
+ QUnit.test('Polymorphic models work with "simple" constructors', function(assert) {
+ var A = Backbone.Model.extend();
+ var B = Backbone.Model.extend();
+ var C = Backbone.Collection.extend({
+ model: function(attrs) {
+ return attrs.type === 'a' ? new A(attrs) : new B(attrs);
+ }
+ });
+ var collection = new C([{id: 1, type: 'a'}, {id: 2, type: 'b'}]);
+ assert.equal(collection.length, 2);
+ assert.ok(collection.at(0) instanceof A);
+ assert.equal(collection.at(0).id, 1);
+ assert.ok(collection.at(1) instanceof B);
+ assert.equal(collection.at(1).id, 2);
+ });
+
+ QUnit.test('Polymorphic models work with "advanced" constructors', function(assert) {
+ var A = Backbone.Model.extend({idAttribute: '_id'});
+ var B = Backbone.Model.extend({idAttribute: '_id'});
+ var C = Backbone.Collection.extend({
+ model: Backbone.Model.extend({
+ constructor: function(attrs) {
+ return attrs.type === 'a' ? new A(attrs) : new B(attrs);
+ },
+
+ idAttribute: '_id'
+ })
+ });
+ var collection = new C([{_id: 1, type: 'a'}, {_id: 2, type: 'b'}]);
+ assert.equal(collection.length, 2);
+ assert.ok(collection.at(0) instanceof A);
+ assert.equal(collection.at(0), collection.get(1));
+ assert.ok(collection.at(1) instanceof B);
+ assert.equal(collection.at(1), collection.get(2));
+
+ C = Backbone.Collection.extend({
+ model: function(attrs) {
+ return attrs.type === 'a' ? new A(attrs) : new B(attrs);
+ },
+
+ modelId: function(attrs) {
+ return attrs.type + '-' + attrs.id;
+ }
+ });
+ collection = new C([{id: 1, type: 'a'}, {id: 1, type: 'b'}]);
+ assert.equal(collection.length, 2);
+ assert.ok(collection.at(0) instanceof A);
+ assert.equal(collection.at(0), collection.get('a-1'));
+ assert.ok(collection.at(1) instanceof B);
+ assert.equal(collection.at(1), collection.get('b-1'));
+ });
+
+ QUnit.test('Collection with polymorphic models receives default id from modelId', function(assert) {
+ assert.expect(6);
+ // When the polymorphic models use 'id' for the idAttribute, all is fine.
+ var C1 = Backbone.Collection.extend({
+ model: function(attrs) {
+ return new Backbone.Model(attrs);
+ }
+ });
+ var c1 = new C1({id: 1});
+ assert.equal(c1.get(1).id, 1);
+ assert.equal(c1.modelId({id: 1}), 1);
+
+ // If the polymorphic models define their own idAttribute,
+ // the modelId method should be overridden, for the reason below.
+ var M = Backbone.Model.extend({
+ idAttribute: '_id'
+ });
+ var C2 = Backbone.Collection.extend({
+ model: function(attrs) {
+ return new M(attrs);
+ }
+ });
+ var c2 = new C2({'_id': 1});
+ assert.equal(c2.get(1), void 0);
+ assert.equal(c2.modelId(c2.at(0).attributes), void 0);
+ var m = new M({'_id': 2});
+ c2.add(m);
+ assert.equal(c2.get(2), void 0);
+ assert.equal(c2.modelId(m.attributes), void 0);
+ });
+
+ QUnit.test('#3039 #3951: adding at index fires with correct at', function(assert) {
+ assert.expect(4);
+ var collection = new Backbone.Collection([{val: 0}, {val: 4}]);
+ collection.on('add', function(model, coll, options) {
+ assert.equal(model.get('val'), options.index);
+ });
+ collection.add([{val: 1}, {val: 2}, {val: 3}], {at: 1});
+ collection.add({val: 5}, {at: 10});
+ });
+
+ QUnit.test('#3039: index is not sent when at is not specified', function(assert) {
+ assert.expect(2);
+ var collection = new Backbone.Collection([{at: 0}]);
+ collection.on('add', function(model, coll, options) {
+ assert.equal(undefined, options.index);
+ });
+ collection.add([{at: 1}, {at: 2}]);
+ });
+
+ QUnit.test('#3199 - Order changing should trigger a sort', function(assert) {
+ assert.expect(1);
+ var one = new Backbone.Model({id: 1});
+ var two = new Backbone.Model({id: 2});
+ var three = new Backbone.Model({id: 3});
+ var collection = new Backbone.Collection([one, two, three]);
+ collection.on('sort', function() {
+ assert.ok(true);
+ });
+ collection.set([{id: 3}, {id: 2}, {id: 1}]);
+ });
+
+ QUnit.test('#3199 - Adding a model should trigger a sort', function(assert) {
+ assert.expect(1);
+ var one = new Backbone.Model({id: 1});
+ var two = new Backbone.Model({id: 2});
+ var three = new Backbone.Model({id: 3});
+ var collection = new Backbone.Collection([one, two, three]);
+ collection.on('sort', function() {
+ assert.ok(true);
+ });
+ collection.set([{id: 1}, {id: 2}, {id: 3}, {id: 0}]);
+ });
+
+ QUnit.test('#3199 - Order not changing should not trigger a sort', function(assert) {
+ assert.expect(0);
+ var one = new Backbone.Model({id: 1});
+ var two = new Backbone.Model({id: 2});
+ var three = new Backbone.Model({id: 3});
+ var collection = new Backbone.Collection([one, two, three]);
+ collection.on('sort', function() {
+ assert.ok(false);
+ });
+ collection.set([{id: 1}, {id: 2}, {id: 3}]);
+ });
+
+ QUnit.test('add supports negative indexes', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}]);
+ collection.add([{id: 2}, {id: 3}], {at: -1});
+ collection.add([{id: 2.5}], {at: -2});
+ collection.add([{id: 0.5}], {at: -6});
+ assert.equal(collection.pluck('id').join(','), '0.5,1,2,2.5,3');
+ });
+
+ QUnit.test('#set accepts options.at as a string', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
+ collection.add([{id: 3}], {at: '1'});
+ assert.deepEqual(collection.pluck('id'), [1, 3, 2]);
+ });
+
+ QUnit.test('adding multiple models triggers `update` event once', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection;
+ collection.on('update', function() { assert.ok(true); });
+ collection.add([{id: 1}, {id: 2}, {id: 3}]);
+ });
+
+ QUnit.test('removing models triggers `update` event once', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}]);
+ collection.on('update', function() { assert.ok(true); });
+ collection.remove([{id: 1}, {id: 2}]);
+ });
+
+ QUnit.test('remove does not trigger `update` when nothing removed', function(assert) {
+ assert.expect(0);
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
+ collection.on('update', function() { assert.ok(false); });
+ collection.remove([{id: 3}]);
+ });
+
+ QUnit.test('set triggers `set` event once', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
+ collection.on('update', function() { assert.ok(true); });
+ collection.set([{id: 1}, {id: 3}]);
+ });
+
+ QUnit.test('set does not trigger `update` event when nothing added nor removed', function(assert) {
+ var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
+ collection.on('update', function(coll, options) {
+ assert.equal(options.changes.added.length, 0);
+ assert.equal(options.changes.removed.length, 0);
+ assert.equal(options.changes.merged.length, 2);
+ });
+ collection.set([{id: 1}, {id: 2}]);
+ });
+
+ QUnit.test('#3610 - invoke collects arguments', function(assert) {
+ assert.expect(3);
+ var Model = Backbone.Model.extend({
+ method: function(x, y, z) {
+ assert.equal(x, 1);
+ assert.equal(y, 2);
+ assert.equal(z, 3);
+ }
+ });
+ var Collection = Backbone.Collection.extend({
+ model: Model
+ });
+ var collection = new Collection([{id: 1}]);
+ collection.invoke('method', 1, 2, 3);
+ });
+
+ QUnit.test('#3662 - triggering change without model will not error', function(assert) {
+ assert.expect(1);
+ var collection = new Backbone.Collection([{id: 1}]);
+ var model = collection.first();
+ collection.on('change', function(m) {
+ assert.equal(m, undefined);
+ });
+ model.trigger('change');
+ });
+
+ QUnit.test('#3871 - falsy parse result creates empty collection', function(assert) {
+ var collection = new (Backbone.Collection.extend({
+ parse: function(data, options) {}
+ }));
+ collection.set('', {parse: true});
+ assert.equal(collection.length, 0);
+ });
+
+ QUnit.test("#3711 - remove's `update` event returns one removed model", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var collection = new Backbone.Collection([model]);
+ collection.on('update', function(context, options) {
+ var changed = options.changes;
+ assert.deepEqual(changed.added, []);
+ assert.deepEqual(changed.merged, []);
+ assert.strictEqual(changed.removed[0], model);
+ });
+ collection.remove(model);
+ });
+
+ QUnit.test("#3711 - remove's `update` event returns multiple removed models", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var collection = new Backbone.Collection([model, model2]);
+ collection.on('update', function(context, options) {
+ var changed = options.changes;
+ assert.deepEqual(changed.added, []);
+ assert.deepEqual(changed.merged, []);
+ assert.ok(changed.removed.length === 2);
+
+ assert.ok(_.indexOf(changed.removed, model) > -1 && _.indexOf(changed.removed, model2) > -1);
+ });
+ collection.remove([model, model2]);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns one added model", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var collection = new Backbone.Collection();
+ collection.on('update', function(context, options) {
+ var addedModels = options.changes.added;
+ assert.ok(addedModels.length === 1);
+ assert.strictEqual(addedModels[0], model);
+ });
+ collection.set(model);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns multiple added models", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var collection = new Backbone.Collection();
+ collection.on('update', function(context, options) {
+ var addedModels = options.changes.added;
+ assert.ok(addedModels.length === 2);
+ assert.strictEqual(addedModels[0], model);
+ assert.strictEqual(addedModels[1], model2);
+ });
+ collection.set([model, model2]);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns one removed model", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var model3 = new Backbone.Model({id: 3, title: 'My Last Post'});
+ var collection = new Backbone.Collection([model]);
+ collection.on('update', function(context, options) {
+ var changed = options.changes;
+ assert.equal(changed.added.length, 2);
+ assert.equal(changed.merged.length, 0);
+ assert.ok(changed.removed.length === 1);
+ assert.strictEqual(changed.removed[0], model);
+ });
+ collection.set([model2, model3]);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns multiple removed models", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var model3 = new Backbone.Model({id: 3, title: 'My Last Post'});
+ var collection = new Backbone.Collection([model, model2]);
+ collection.on('update', function(context, options) {
+ var removedModels = options.changes.removed;
+ assert.ok(removedModels.length === 2);
+ assert.strictEqual(removedModels[0], model);
+ assert.strictEqual(removedModels[1], model2);
+ });
+ collection.set([model3]);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns one merged model", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var model2Update = new Backbone.Model({id: 2, title: 'Second Post V2'});
+ var collection = new Backbone.Collection([model, model2]);
+ collection.on('update', function(context, options) {
+ var mergedModels = options.changes.merged;
+ assert.ok(mergedModels.length === 1);
+ assert.strictEqual(mergedModels[0].get('title'), model2Update.get('title'));
+ });
+ collection.set([model2Update]);
+ });
+
+ QUnit.test("#3711 - set's `update` event returns multiple merged models", function(assert) {
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var modelUpdate = new Backbone.Model({id: 1, title: 'First Post V2'});
+ var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
+ var model2Update = new Backbone.Model({id: 2, title: 'Second Post V2'});
+ var collection = new Backbone.Collection([model, model2]);
+ collection.on('update', function(context, options) {
+ var mergedModels = options.changes.merged;
+ assert.ok(mergedModels.length === 2);
+ assert.strictEqual(mergedModels[0].get('title'), model2Update.get('title'));
+ assert.strictEqual(mergedModels[1].get('title'), modelUpdate.get('title'));
+ });
+ collection.set([model2Update, modelUpdate]);
+ });
+
+ QUnit.test("#3711 - set's `update` event should not be triggered adding a model which already exists exactly alike", function(assert) {
+ var fired = false;
+ var model = new Backbone.Model({id: 1, title: 'First Post'});
+ var collection = new Backbone.Collection([model]);
+ collection.on('update', function(context, options) {
+ fired = true;
+ });
+ collection.set([model]);
+ assert.equal(fired, false);
+ });
+
+})();
Code Review / portal.git / blobdiff