"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "vendor/backbone/test/collection.js" between
lodash-3.0.0.tar.gz and lodash-4.0.0.tar.gz

About: lodash is a modern JavaScript utility library delivering modularity, performance, & extras.

collection.js  (lodash-3.0.0):collection.js  (lodash-4.0.0)
(function() { (function() {
var a, b, c, d, e, col, otherCol; var a, b, c, d, e, col, otherCol;
module("Backbone.Collection", { QUnit.module('Backbone.Collection', {
setup: function() { beforeEach: function(assert) {
a = new Backbone.Model({id: 3, label: 'a'}); a = new Backbone.Model({id: 3, label: 'a'});
b = new Backbone.Model({id: 2, label: 'b'}); b = new Backbone.Model({id: 2, label: 'b'});
c = new Backbone.Model({id: 1, label: 'c'}); c = new Backbone.Model({id: 1, label: 'c'});
d = new Backbone.Model({id: 0, label: 'd'}); d = new Backbone.Model({id: 0, label: 'd'});
e = null; e = null;
col = new Backbone.Collection([a,b,c,d]); col = new Backbone.Collection([a, b, c, d]);
otherCol = new Backbone.Collection(); otherCol = new Backbone.Collection();
} }
}); });
test("new and sort", 9, function() { QUnit.test('new and sort', function(assert) {
assert.expect(6);
var counter = 0; var counter = 0;
col.on('sort', function(){ counter++; }); col.on('sort', function(){ counter++; });
equal(col.first(), a, "a should be first"); assert.deepEqual(col.pluck('label'), ['a', 'b', 'c', 'd']);
equal(col.last(), d, "d should be last");
col.comparator = function(a, b) { col.comparator = function(a, b) {
return a.id > b.id ? -1 : 1; return a.id > b.id ? -1 : 1;
}; };
col.sort(); col.sort();
equal(counter, 1); assert.equal(counter, 1);
equal(col.first(), a, "a should be first"); assert.deepEqual(col.pluck('label'), ['a', 'b', 'c', 'd']);
equal(col.last(), d, "d should be last");
col.comparator = function(model) { return model.id; }; col.comparator = function(model) { return model.id; };
col.sort(); col.sort();
equal(counter, 2); assert.equal(counter, 2);
equal(col.first(), d, "d should be first"); assert.deepEqual(col.pluck('label'), ['d', 'c', 'b', 'a']);
equal(col.last(), a, "a should be last"); assert.equal(col.length, 4);
equal(col.length, 4);
}); });
test("String comparator.", 1, function() { QUnit.test('String comparator.', function(assert) {
assert.expect(1);
var collection = new Backbone.Collection([ var collection = new Backbone.Collection([
{id: 3}, {id: 3},
{id: 1}, {id: 1},
{id: 2} {id: 2}
], {comparator: 'id'}); ], {comparator: 'id'});
deepEqual(collection.pluck('id'), [1, 2, 3]); assert.deepEqual(collection.pluck('id'), [1, 2, 3]);
}); });
test("new and parse", 3, function() { QUnit.test('new and parse', function(assert) {
assert.expect(3);
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
parse : function(data) { parse: function(data) {
return _.filter(data, function(datum) { return _.filter(data, function(datum) {
return datum.a % 2 === 0; return datum.a % 2 === 0;
}); });
} }
}); });
var models = [{a: 1}, {a: 2}, {a: 3}, {a: 4}]; var models = [{a: 1}, {a: 2}, {a: 3}, {a: 4}];
var collection = new Collection(models, {parse: true}); var collection = new Collection(models, {parse: true});
strictEqual(collection.length, 2); assert.strictEqual(collection.length, 2);
strictEqual(collection.first().get('a'), 2); assert.strictEqual(collection.first().get('a'), 2);
strictEqual(collection.last().get('a'), 4); assert.strictEqual(collection.last().get('a'), 4);
}); });
test("get", 6, function() { QUnit.test('clone preserves model and comparator', function(assert) {
equal(col.get(0), d); assert.expect(3);
equal(col.get(d.clone()), d); var Model = Backbone.Model.extend();
equal(col.get(2), b); var comparator = function(model){ return model.id; };
equal(col.get({id: 1}), c);
equal(col.get(c.clone()), c); var collection = new Backbone.Collection([{id: 1}], {
equal(col.get(col.first().cid), col.first()); 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());
}); });
test("get with non-default ids", 5, function() { QUnit.test('get with non-default ids', function(assert) {
var col = new Backbone.Collection(); assert.expect(5);
var MongoModel = Backbone.Model.extend({idAttribute: '_id'}); var MongoModel = Backbone.Model.extend({idAttribute: '_id'});
var model = new MongoModel({_id: 100}); var model = new MongoModel({_id: 100});
col.add(model); var col = new Backbone.Collection([model], {model: MongoModel});
equal(col.get(100), model); assert.equal(col.get(100), model);
equal(col.get(model.cid), model); assert.equal(col.get(model.cid), model);
equal(col.get(model), model); assert.equal(col.get(model), model);
equal(col.get(101), void 0); assert.equal(col.get(101), void 0);
var col2 = new Backbone.Collection(); var col2 = new Backbone.Collection();
col2.model = MongoModel; col2.model = MongoModel;
col2.add(model.attributes); col2.add(model.attributes);
equal(col2.get(model.clone()), col2.first()); assert.equal(col2.get(model.clone()), col2.first());
}); });
test('get with "undefined" id', function() { QUnit.test('get with "undefined" id', function(assert) {
var collection = new Backbone.Collection([{id: 1}, {id: 'undefined'}]); var collection = new Backbone.Collection([{id: 1}, {id: 'undefined'}]);
equal(collection.get(1).id, 1); assert.equal(collection.get(1).id, 1);
}), });
test("update index when id changes", 4, function() { QUnit.test('update index when id changes', function(assert) {
assert.expect(4);
var col = new Backbone.Collection(); var col = new Backbone.Collection();
col.add([ col.add([
{id : 0, name : 'one'}, {id: 0, name: 'one'},
{id : 1, name : 'two'} {id: 1, name: 'two'}
]); ]);
var one = col.get(0); var one = col.get(0);
equal(one.get('name'), 'one'); assert.equal(one.get('name'), 'one');
col.on('change:name', function (model) { ok(this.get(model)); }); col.on('change:name', function(model) { assert.ok(this.get(model)); });
one.set({name: 'dalmatians', id : 101}); one.set({name: 'dalmatians', id: 101});
equal(col.get(0), null); assert.equal(col.get(0), null);
equal(col.get(101).get('name'), 'dalmatians'); assert.equal(col.get(101).get('name'), 'dalmatians');
}); });
test("at", 1, function() { QUnit.test('at', function(assert) {
equal(col.at(2), c); assert.expect(2);
assert.equal(col.at(2), c);
assert.equal(col.at(-2), c);
}); });
test("pluck", 1, function() { QUnit.test('pluck', function(assert) {
equal(col.pluck('label').join(' '), 'a b c d'); assert.expect(1);
assert.equal(col.pluck('label').join(' '), 'a b c d');
}); });
test("add", 14, function() { QUnit.test('add', function(assert) {
assert.expect(14);
var added, opts, secondAdded; var added, opts, secondAdded;
added = opts = secondAdded = null; added = opts = secondAdded = null;
e = new Backbone.Model({id: 10, label : 'e'}); e = new Backbone.Model({id: 10, label: 'e'});
otherCol.add(e); otherCol.add(e);
otherCol.on('add', function() { otherCol.on('add', function() {
secondAdded = true; secondAdded = true;
}); });
col.on('add', function(model, collection, options){ col.on('add', function(model, collection, options){
added = model.get('label'); added = model.get('label');
opts = options; opts = options;
}); });
col.add(e, {amazing: true}); col.add(e, {amazing: true});
equal(added, 'e'); assert.equal(added, 'e');
equal(col.length, 5); assert.equal(col.length, 5);
equal(col.last(), e); assert.equal(col.last(), e);
equal(otherCol.length, 1); assert.equal(otherCol.length, 1);
equal(secondAdded, null); assert.equal(secondAdded, null);
ok(opts.amazing); assert.ok(opts.amazing);
var f = new Backbone.Model({id: 20, label : 'f'}); var f = new Backbone.Model({id: 20, label: 'f'});
var g = new Backbone.Model({id: 21, label : 'g'}); var g = new Backbone.Model({id: 21, label: 'g'});
var h = new Backbone.Model({id: 22, label : 'h'}); var h = new Backbone.Model({id: 22, label: 'h'});
var atCol = new Backbone.Collection([f, g, h]); var atCol = new Backbone.Collection([f, g, h]);
equal(atCol.length, 3); assert.equal(atCol.length, 3);
atCol.add(e, {at: 1}); atCol.add(e, {at: 1});
equal(atCol.length, 4); assert.equal(atCol.length, 4);
equal(atCol.at(1), e); assert.equal(atCol.at(1), e);
equal(atCol.last(), h); assert.equal(atCol.last(), h);
var coll = new Backbone.Collection(new Array(2)); var coll = new Backbone.Collection(new Array(2));
var addCount = 0; var addCount = 0;
coll.on('add', function(){ coll.on('add', function(){
addCount += 1; addCount += 1;
}); });
coll.add([undefined, f, g]); coll.add([undefined, f, g]);
equal(coll.length, 5); assert.equal(coll.length, 5);
equal(addCount, 3); assert.equal(addCount, 3);
coll.add(new Array(4)); coll.add(new Array(4));
equal(coll.length, 9); assert.equal(coll.length, 9);
equal(addCount, 7); assert.equal(addCount, 7);
}); });
test("add multiple models", 6, function() { QUnit.test('add multiple models', function(assert) {
assert.expect(6);
var col = new Backbone.Collection([{at: 0}, {at: 1}, {at: 9}]); var col = new Backbone.Collection([{at: 0}, {at: 1}, {at: 9}]);
col.add([{at: 2}, {at: 3}, {at: 4}, {at: 5}, {at: 6}, {at: 7}, {at: 8}], {at : 2}); col.add([{at: 2}, {at: 3}, {at: 4}, {at: 5}, {at: 6}, {at: 7}, {at: 8}], {at : 2});
for (var i = 0; i <= 5; i++) { for (var i = 0; i <= 5; i++) {
equal(col.at(i).get('at'), i); assert.equal(col.at(i).get('at'), i);
} }
}); });
test("add; at should have preference over comparator", 1, function() { QUnit.test('add; at should have preference over comparator', function(assert)
{
assert.expect(1);
var Col = Backbone.Collection.extend({ var Col = Backbone.Collection.extend({
comparator: function(a,b) { comparator: function(a, b) {
return a.id > b.id ? -1 : 1; return a.id > b.id ? -1 : 1;
} }
}); });
var col = new Col([{id: 2}, {id: 3}]); var col = new Col([{id: 2}, {id: 3}]);
col.add(new Backbone.Model({id: 1}), {at: 1}); col.add(new Backbone.Model({id: 1}), {at: 1});
equal(col.pluck('id').join(' '), '3 1 2'); assert.equal(col.pluck('id').join(' '), '3 1 2');
}); });
test("can't add model to collection twice", function() { QUnit.test('add; at should add to the end if the index is out of bounds', func
tion(assert) {
assert.expect(1);
var col = new Backbone.Collection([{id: 2}, {id: 3}]);
col.add(new Backbone.Model({id: 1}), {at: 5});
assert.equal(col.pluck('id').join(' '), '2 3 1');
});
QUnit.test("can't add model to collection twice", function(assert) {
var col = new Backbone.Collection([{id: 1}, {id: 2}, {id: 1}, {id: 2}, {id: 3}]); var col = new Backbone.Collection([{id: 1}, {id: 2}, {id: 1}, {id: 2}, {id: 3}]);
equal(col.pluck('id').join(' '), '1 2 3'); assert.equal(col.pluck('id').join(' '), '1 2 3');
}); });
test("can't add different model with same id to collection twice", 1, function QUnit.test("can't add different model with same id to collection twice", funct
() { ion(assert) {
assert.expect(1);
var col = new Backbone.Collection; var col = new Backbone.Collection;
col.unshift({id: 101}); col.unshift({id: 101});
col.add({id: 101}); col.add({id: 101});
equal(col.length, 1); assert.equal(col.length, 1);
}); });
test("merge in duplicate models with {merge: true}", 3, function() { QUnit.test('merge in duplicate models with {merge: true}', function(assert) {
assert.expect(3);
var col = new Backbone.Collection; var col = new Backbone.Collection;
col.add([{id: 1, name: 'Moe'}, {id: 2, name: 'Curly'}, {id: 3, name: 'Larry' }]); col.add([{id: 1, name: 'Moe'}, {id: 2, name: 'Curly'}, {id: 3, name: 'Larry' }]);
col.add({id: 1, name: 'Moses'}); col.add({id: 1, name: 'Moses'});
equal(col.first().get('name'), 'Moe'); assert.equal(col.first().get('name'), 'Moe');
col.add({id: 1, name: 'Moses'}, {merge: true}); col.add({id: 1, name: 'Moses'}, {merge: true});
equal(col.first().get('name'), 'Moses'); assert.equal(col.first().get('name'), 'Moses');
col.add({id: 1, name: 'Tim'}, {merge: true, silent: true}); col.add({id: 1, name: 'Tim'}, {merge: true, silent: true});
equal(col.first().get('name'), 'Tim'); assert.equal(col.first().get('name'), 'Tim');
}); });
test("add model to multiple collections", 10, function() { QUnit.test('add model to multiple collections', function(assert) {
assert.expect(10);
var counter = 0; var counter = 0;
var e = new Backbone.Model({id: 10, label : 'e'}); var e = new Backbone.Model({id: 10, label: 'e'});
e.on('add', function(model, collection) { e.on('add', function(model, collection) {
counter++; counter++;
equal(e, model); assert.equal(e, model);
if (counter > 1) { if (counter > 1) {
equal(collection, colF); assert.equal(collection, colF);
} else { } else {
equal(collection, colE); assert.equal(collection, colE);
} }
}); });
var colE = new Backbone.Collection([]); var colE = new Backbone.Collection([]);
colE.on('add', function(model, collection) { colE.on('add', function(model, collection) {
equal(e, model); assert.equal(e, model);
equal(colE, collection); assert.equal(colE, collection);
}); });
var colF = new Backbone.Collection([]); var colF = new Backbone.Collection([]);
colF.on('add', function(model, collection) { colF.on('add', function(model, collection) {
equal(e, model); assert.equal(e, model);
equal(colF, collection); assert.equal(colF, collection);
}); });
colE.add(e); colE.add(e);
equal(e.collection, colE); assert.equal(e.collection, colE);
colF.add(e); colF.add(e);
equal(e.collection, colE); assert.equal(e.collection, colE);
}); });
test("add model with parse", 1, function() { QUnit.test('add model with parse', function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({ var Model = Backbone.Model.extend({
parse: function(obj) { parse: function(obj) {
obj.value += 1; obj.value += 1;
return obj; return obj;
} }
}); });
var Col = Backbone.Collection.extend({model: Model}); var Col = Backbone.Collection.extend({model: Model});
var col = new Col; var col = new Col;
col.add({value: 1}, {parse: true}); col.add({value: 1}, {parse: true});
equal(col.at(0).get('value'), 2); assert.equal(col.at(0).get('value'), 2);
}); });
test("add with parse and merge", function() { QUnit.test('add with parse and merge', function(assert) {
var collection = new Backbone.Collection(); var collection = new Backbone.Collection();
collection.parse = function(attrs) { collection.parse = function(attrs) {
return _.map(attrs, function(model) { return _.map(attrs, function(model) {
if (model.model) return model.model; if (model.model) return model.model;
return model; return model;
}); });
}; };
collection.add({id: 1}); collection.add({id: 1});
collection.add({model: {id: 1, name: 'Alf'}}, {parse: true, merge: true}); collection.add({model: {id: 1, name: 'Alf'}}, {parse: true, merge: true});
equal(collection.first().get('name'), 'Alf'); assert.equal(collection.first().get('name'), 'Alf');
}); });
test("add model to collection with sort()-style comparator", 3, function() { QUnit.test('add model to collection with sort()-style comparator', function(as
sert) {
assert.expect(3);
var col = new Backbone.Collection; var col = new Backbone.Collection;
col.comparator = function(a, b) { col.comparator = function(a, b) {
return a.get('name') < b.get('name') ? -1 : 1; return a.get('name') < b.get('name') ? -1 : 1;
}; };
var tom = new Backbone.Model({name: 'Tom'}); var tom = new Backbone.Model({name: 'Tom'});
var rob = new Backbone.Model({name: 'Rob'}); var rob = new Backbone.Model({name: 'Rob'});
var tim = new Backbone.Model({name: 'Tim'}); var tim = new Backbone.Model({name: 'Tim'});
col.add(tom); col.add(tom);
col.add(rob); col.add(rob);
col.add(tim); col.add(tim);
equal(col.indexOf(rob), 0); assert.equal(col.indexOf(rob), 0);
equal(col.indexOf(tim), 1); assert.equal(col.indexOf(tim), 1);
equal(col.indexOf(tom), 2); assert.equal(col.indexOf(tom), 2);
}); });
test("comparator that depends on `this`", 2, function() { QUnit.test('comparator that depends on `this`', function(assert) {
assert.expect(2);
var col = new Backbone.Collection; var col = new Backbone.Collection;
col.negative = function(num) { col.negative = function(num) {
return -num; return -num;
}; };
col.comparator = function(a) { col.comparator = function(a) {
return this.negative(a.id); return this.negative(a.id);
}; };
col.add([{id: 1}, {id: 2}, {id: 3}]); col.add([{id: 1}, {id: 2}, {id: 3}]);
deepEqual(col.pluck('id'), [3, 2, 1]); assert.deepEqual(col.pluck('id'), [3, 2, 1]);
col.comparator = function(a, b) { col.comparator = function(a, b) {
return this.negative(b.id) - this.negative(a.id); return this.negative(b.id) - this.negative(a.id);
}; };
col.sort(); col.sort();
deepEqual(col.pluck('id'), [1, 2, 3]); assert.deepEqual(col.pluck('id'), [1, 2, 3]);
}); });
test("remove", 5, function() { QUnit.test('remove', function(assert) {
assert.expect(12);
var removed = null; var removed = null;
var otherRemoved = null; var result = null;
col.on('remove', function(model, col, options) { col.on('remove', function(model, col, options) {
removed = model.get('label'); removed = model.get('label');
equal(options.index, 3); assert.equal(options.index, 3);
assert.equal(col.get(model), undefined, '#3693: model cannot be fetched fr
om collection');
}); });
otherCol.on('remove', function(model, col, options) { result = col.remove(d);
otherRemoved = true; assert.equal(removed, 'd');
}); assert.strictEqual(result, d);
col.remove(d); //if we try to remove d again, it's not going to actually get removed
equal(removed, 'd'); result = col.remove(d);
equal(col.length, 3); assert.strictEqual(result, undefined);
equal(col.first(), a); assert.equal(col.length, 3);
equal(otherRemoved, null); 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');
}); });
test("add and remove return values", 13, function() { QUnit.test('add and remove return values', function(assert) {
assert.expect(13);
var Even = Backbone.Model.extend({ var Even = Backbone.Model.extend({
validate: function(attrs) { validate: function(attrs) {
if (attrs.id % 2 !== 0) return "odd"; if (attrs.id % 2 !== 0) return 'odd';
} }
}); });
var col = new Backbone.Collection; var col = new Backbone.Collection;
col.model = Even; col.model = Even;
var list = col.add([{id: 2}, {id: 4}], {validate: true}); var list = col.add([{id: 2}, {id: 4}], {validate: true});
equal(list.length, 2); assert.equal(list.length, 2);
ok(list[0] instanceof Backbone.Model); assert.ok(list[0] instanceof Backbone.Model);
equal(list[1], col.last()); assert.equal(list[1], col.last());
equal(list[1].get('id'), 4); assert.equal(list[1].get('id'), 4);
list = col.add([{id: 3}, {id: 6}], {validate: true}); list = col.add([{id: 3}, {id: 6}], {validate: true});
equal(col.length, 3); assert.equal(col.length, 3);
equal(list[0], false); assert.equal(list[0], false);
equal(list[1].get('id'), 6); assert.equal(list[1].get('id'), 6);
var result = col.add({id: 6}); var result = col.add({id: 6});
equal(result.cid, list[1].cid); assert.equal(result.cid, list[1].cid);
result = col.remove({id: 6}); result = col.remove({id: 6});
equal(col.length, 2); assert.equal(col.length, 2);
equal(result.id, 6); assert.equal(result.id, 6);
list = col.remove([{id: 2}, {id: 8}]); list = col.remove([{id: 2}, {id: 8}]);
equal(col.length, 1); assert.equal(col.length, 1);
equal(list[0].get('id'), 2); assert.equal(list[0].get('id'), 2);
equal(list[1], null); assert.equal(list[1], null);
}); });
test("shift and pop", 2, function() { QUnit.test('shift and pop', function(assert) {
assert.expect(2);
var col = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]); var col = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]);
equal(col.shift().get('a'), 'a'); assert.equal(col.shift().get('a'), 'a');
equal(col.pop().get('c'), 'c'); assert.equal(col.pop().get('c'), 'c');
}); });
test("slice", 2, function() { QUnit.test('slice', function(assert) {
assert.expect(2);
var col = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]); var col = new Backbone.Collection([{a: 'a'}, {b: 'b'}, {c: 'c'}]);
var array = col.slice(1, 3); var array = col.slice(1, 3);
equal(array.length, 2); assert.equal(array.length, 2);
equal(array[0].get('b'), 'b'); assert.equal(array[0].get('b'), 'b');
}); });
test("events are unbound on remove", 3, function() { QUnit.test('events are unbound on remove', function(assert) {
assert.expect(3);
var counter = 0; var counter = 0;
var dj = new Backbone.Model(); var dj = new Backbone.Model();
var emcees = new Backbone.Collection([dj]); var emcees = new Backbone.Collection([dj]);
emcees.on('change', function(){ counter++; }); emcees.on('change', function(){ counter++; });
dj.set({name : 'Kool'}); dj.set({name: 'Kool'});
equal(counter, 1); assert.equal(counter, 1);
emcees.reset([]); emcees.reset([]);
equal(dj.collection, undefined); assert.equal(dj.collection, undefined);
dj.set({name : 'Shadow'}); dj.set({name: 'Shadow'});
equal(counter, 1); assert.equal(counter, 1);
}); });
test("remove in multiple collections", 7, function() { QUnit.test('remove in multiple collections', function(assert) {
assert.expect(7);
var modelData = { var modelData = {
id : 5, id: 5,
title : 'Othello' title: 'Othello'
}; };
var passed = false; var passed = false;
var e = new Backbone.Model(modelData); var e = new Backbone.Model(modelData);
var f = new Backbone.Model(modelData); var f = new Backbone.Model(modelData);
f.on('remove', function() { f.on('remove', function() {
passed = true; passed = true;
}); });
var colE = new Backbone.Collection([e]); var colE = new Backbone.Collection([e]);
var colF = new Backbone.Collection([f]); var colF = new Backbone.Collection([f]);
ok(e != f); assert.ok(e != f);
ok(colE.length === 1); assert.ok(colE.length === 1);
ok(colF.length === 1); assert.ok(colF.length === 1);
colE.remove(e); colE.remove(e);
equal(passed, false); assert.equal(passed, false);
ok(colE.length === 0); assert.ok(colE.length === 0);
colF.remove(e); colF.remove(e);
ok(colF.length === 0); assert.ok(colF.length === 0);
equal(passed, true); assert.equal(passed, true);
}); });
test("remove same model in multiple collection", 16, function() { QUnit.test('remove same model in multiple collection', function(assert) {
assert.expect(16);
var counter = 0; var counter = 0;
var e = new Backbone.Model({id: 5, title: 'Othello'}); var e = new Backbone.Model({id: 5, title: 'Othello'});
e.on('remove', function(model, collection) { e.on('remove', function(model, collection) {
counter++; counter++;
equal(e, model); assert.equal(e, model);
if (counter > 1) { if (counter > 1) {
equal(collection, colE); assert.equal(collection, colE);
} else { } else {
equal(collection, colF); assert.equal(collection, colF);
} }
}); });
var colE = new Backbone.Collection([e]); var colE = new Backbone.Collection([e]);
colE.on('remove', function(model, collection) { colE.on('remove', function(model, collection) {
equal(e, model); assert.equal(e, model);
equal(colE, collection); assert.equal(colE, collection);
}); });
var colF = new Backbone.Collection([e]); var colF = new Backbone.Collection([e]);
colF.on('remove', function(model, collection) { colF.on('remove', function(model, collection) {
equal(e, model); assert.equal(e, model);
equal(colF, collection); assert.equal(colF, collection);
}); });
equal(colE, e.collection); assert.equal(colE, e.collection);
colF.remove(e); colF.remove(e);
ok(colF.length === 0); assert.ok(colF.length === 0);
ok(colE.length === 1); assert.ok(colE.length === 1);
equal(counter, 1); assert.equal(counter, 1);
equal(colE, e.collection); assert.equal(colE, e.collection);
colE.remove(e); colE.remove(e);
equal(null, e.collection); assert.equal(null, e.collection);
ok(colE.length === 0); assert.ok(colE.length === 0);
equal(counter, 2); assert.equal(counter, 2);
}); });
test("model destroy removes from all collections", 3, function() { QUnit.test('model destroy removes from all collections', function(assert) {
assert.expect(3);
var e = new Backbone.Model({id: 5, title: 'Othello'}); var e = new Backbone.Model({id: 5, title: 'Othello'});
e.sync = function(method, model, options) { options.success(); }; e.sync = function(method, model, options) { options.success(); };
var colE = new Backbone.Collection([e]); var colE = new Backbone.Collection([e]);
var colF = new Backbone.Collection([e]); var colF = new Backbone.Collection([e]);
e.destroy(); e.destroy();
ok(colE.length === 0); assert.ok(colE.length === 0);
ok(colF.length === 0); assert.ok(colF.length === 0);
equal(undefined, e.collection); assert.equal(undefined, e.collection);
}); });
test("Colllection: non-persisted model destroy removes from all collections", QUnit.test('Collection: non-persisted model destroy removes from all collectio
3, function() { ns', function(assert) {
assert.expect(3);
var e = new Backbone.Model({title: 'Othello'}); var e = new Backbone.Model({title: 'Othello'});
e.sync = function(method, model, options) { throw "should not be called"; }; e.sync = function(method, model, options) { throw 'should not be called'; };
var colE = new Backbone.Collection([e]); var colE = new Backbone.Collection([e]);
var colF = new Backbone.Collection([e]); var colF = new Backbone.Collection([e]);
e.destroy(); e.destroy();
ok(colE.length === 0); assert.ok(colE.length === 0);
ok(colF.length === 0); assert.ok(colF.length === 0);
equal(undefined, e.collection); assert.equal(undefined, e.collection);
}); });
test("fetch", 4, function() { QUnit.test('fetch', function(assert) {
assert.expect(4);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.url = '/test'; collection.url = '/test';
collection.fetch(); collection.fetch();
equal(this.syncArgs.method, 'read'); assert.equal(this.syncArgs.method, 'read');
equal(this.syncArgs.model, collection); assert.equal(this.syncArgs.model, collection);
equal(this.syncArgs.options.parse, true); assert.equal(this.syncArgs.options.parse, true);
collection.fetch({parse: false}); collection.fetch({parse: false});
equal(this.syncArgs.options.parse, false); assert.equal(this.syncArgs.options.parse, false);
}); });
test("fetch with an error response triggers an error event", 1, function () { QUnit.test('fetch with an error response triggers an error event', function(as
sert) {
assert.expect(1);
var collection = new Backbone.Collection(); var collection = new Backbone.Collection();
collection.on('error', function () { collection.on('error', function() {
ok(true); assert.ok(true);
}); });
collection.sync = function (method, model, options) { options.error(); }; collection.sync = function(method, model, options) { options.error(); };
collection.fetch(); collection.fetch();
}); });
test("ensure fetch only parses once", 1, function() { QUnit.test('#3283 - fetch with an error response calls error with context', fu
nction(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, options) {
options.error.call(options.context);
};
collection.fetch(options);
});
QUnit.test('ensure fetch only parses once', function(assert) {
assert.expect(1);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
var counter = 0; var counter = 0;
collection.parse = function(models) { collection.parse = function(models) {
counter++; counter++;
return models; return models;
}; };
collection.url = '/test'; collection.url = '/test';
collection.fetch(); collection.fetch();
this.syncArgs.options.success(); this.syncArgs.options.success([]);
equal(counter, 1); assert.equal(counter, 1);
}); });
test("create", 4, function() { QUnit.test('create', function(assert) {
assert.expect(4);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.url = '/test'; collection.url = '/test';
var model = collection.create({label: 'f'}, {wait: true}); var model = collection.create({label: 'f'}, {wait: true});
equal(this.syncArgs.method, 'create'); assert.equal(this.syncArgs.method, 'create');
equal(this.syncArgs.model, model); assert.equal(this.syncArgs.model, model);
equal(model.get('label'), 'f'); assert.equal(model.get('label'), 'f');
equal(model.collection, collection); assert.equal(model.collection, collection);
}); });
test("create with validate:true enforces validation", 3, function() { QUnit.test('create with validate:true enforces validation', function(assert) {
assert.expect(3);
var ValidatingModel = Backbone.Model.extend({ var ValidatingModel = Backbone.Model.extend({
validate: function(attrs) { validate: function(attrs) {
return "fail"; return 'fail';
} }
}); });
var ValidatingCollection = Backbone.Collection.extend({ var ValidatingCollection = Backbone.Collection.extend({
model: ValidatingModel model: ValidatingModel
}); });
var col = new ValidatingCollection(); var col = new ValidatingCollection();
col.on('invalid', function (collection, error, options) { col.on('invalid', function(collection, error, options) {
equal(error, "fail"); assert.equal(error, 'fail');
equal(options.validationError, 'fail'); assert.equal(options.validationError, 'fail');
}); });
equal(col.create({"foo":"bar"}, {validate:true}), false); assert.equal(col.create({'foo': 'bar'}, {validate: true}), false);
}); });
test("a failing create returns model with errors", function() { QUnit.test('create will pass extra options to success callback', function(asse
rt) {
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({ var ValidatingModel = Backbone.Model.extend({
validate: function(attrs) { validate: function(attrs) {
return "fail"; return 'fail';
} }
}); });
var ValidatingCollection = Backbone.Collection.extend({ var ValidatingCollection = Backbone.Collection.extend({
model: ValidatingModel model: ValidatingModel
}); });
var col = new ValidatingCollection(); var col = new ValidatingCollection();
var m = col.create({"foo":"bar"}); var m = col.create({foo: 'bar'});
equal(m.validationError, 'fail'); assert.equal(m.validationError, 'fail');
equal(col.length, 1); assert.equal(col.length, 1);
}); });
test("initialize", 1, function() { QUnit.test('initialize', function(assert) {
assert.expect(1);
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
initialize: function() { initialize: function() {
this.one = 1; this.one = 1;
} }
}); });
var coll = new Collection; var coll = new Collection;
equal(coll.one, 1); assert.equal(coll.one, 1);
}); });
test("toJSON", 1, function() { QUnit.test('toJSON', function(assert) {
equal(JSON.stringify(col), '[{"id":3,"label":"a"},{"id":2,"label":"b"},{"id" assert.expect(1);
:1,"label":"c"},{"id":0,"label":"d"}]'); assert.equal(JSON.stringify(col), '[{"id":3,"label":"a"},{"id":2,"label":"b"
},{"id":1,"label":"c"},{"id":0,"label":"d"}]');
}); });
test("where and findWhere", 8, function() { QUnit.test('where and findWhere', function(assert) {
assert.expect(8);
var model = new Backbone.Model({a: 1}); var model = new Backbone.Model({a: 1});
var coll = new Backbone.Collection([ var coll = new Backbone.Collection([
model, model,
{a: 1}, {a: 1},
{a: 1, b: 2}, {a: 1, b: 2},
{a: 2, b: 2}, {a: 2, b: 2},
{a: 3} {a: 3}
]); ]);
equal(coll.where({a: 1}).length, 3); assert.equal(coll.where({a: 1}).length, 3);
equal(coll.where({a: 2}).length, 1); assert.equal(coll.where({a: 2}).length, 1);
equal(coll.where({a: 3}).length, 1); assert.equal(coll.where({a: 3}).length, 1);
equal(coll.where({b: 1}).length, 0); assert.equal(coll.where({b: 1}).length, 0);
equal(coll.where({b: 2}).length, 2); assert.equal(coll.where({b: 2}).length, 2);
equal(coll.where({a: 1, b: 2}).length, 1); assert.equal(coll.where({a: 1, b: 2}).length, 1);
equal(coll.findWhere({a: 1}), model); assert.equal(coll.findWhere({a: 1}), model);
equal(coll.findWhere({a: 4}), void 0); assert.equal(coll.findWhere({a: 4}), void 0);
}); });
test("Underscore methods", 16, function() { QUnit.test('Underscore methods', function(assert) {
equal(col.map(function(model){ return model.get('label'); }).join(' '), 'a b assert.expect(21);
c d'); assert.equal(col.map(function(model){ return model.get('label'); }).join(' '
equal(col.any(function(model){ return model.id === 100; }), false); ), 'a b c d');
equal(col.any(function(model){ return model.id === 0; }), true); assert.equal(col.some(function(model){ return model.id === 100; }), false);
equal(col.indexOf(b), 1); assert.equal(col.some(function(model){ return model.id === 0; }), true);
equal(col.size(), 4); assert.equal(col.reduce(function(a, b) {return a.id > b.id ? a : b;}).id, 3)
equal(col.rest().length, 3); ;
ok(!_.include(col.rest(), a)); assert.equal(col.reduceRight(function(a, b) {return a.id > b.id ? a : b;}).i
ok(_.include(col.rest(), d)); d, 3);
ok(!col.isEmpty()); assert.equal(col.indexOf(b), 1);
ok(!_.include(col.without(d), d)); assert.equal(col.size(), 4);
equal(col.max(function(model){ return model.id; }).id, 3); assert.equal(col.rest().length, 3);
equal(col.min(function(model){ return model.id; }).id, 0); assert.ok(!_.includes(col.rest(), a));
deepEqual(col.chain() assert.ok(_.includes(col.rest(), d));
.filter(function(o){ return o.id % 2 === 0; }) assert.ok(!col.isEmpty());
.map(function(o){ return o.id * 2; }) assert.ok(!_.includes(col.without(d), d));
.value(),
[4, 0]); var wrapped = col.chain();
deepEqual(col.difference([c, d]), [a, b]); assert.equal(wrapped.map('id').max().value(), 3);
ok(col.include(col.sample())); 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(); var first = col.first();
ok(col.indexBy('id')[first.id] === 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);
}); });
test("reset", 16, function() { 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 resetCount = 0;
var models = col.models; var models = col.models;
col.on('reset', function() { resetCount += 1; }); col.on('reset', function() { resetCount += 1; });
col.reset([]); col.reset([]);
equal(resetCount, 1); assert.equal(resetCount, 1);
equal(col.length, 0); assert.equal(col.length, 0);
equal(col.last(), null); assert.equal(col.last(), null);
col.reset(models); col.reset(models);
equal(resetCount, 2); assert.equal(resetCount, 2);
equal(col.length, 4); assert.equal(col.length, 4);
equal(col.last(), d); assert.equal(col.last(), d);
col.reset(_.map(models, function(m){ return m.attributes; })); col.reset(_.map(models, function(m){ return m.attributes; }));
equal(resetCount, 3); assert.equal(resetCount, 3);
equal(col.length, 4); assert.equal(col.length, 4);
ok(col.last() !== d); assert.ok(col.last() !== d);
ok(_.isEqual(col.last().attributes, d.attributes)); assert.ok(_.isEqual(col.last().attributes, d.attributes));
col.reset(); col.reset();
equal(col.length, 0); assert.equal(col.length, 0);
equal(resetCount, 4); assert.equal(resetCount, 4);
var f = new Backbone.Model({id: 20, label : 'f'}); var f = new Backbone.Model({id: 20, label: 'f'});
col.reset([undefined, f]); col.reset([undefined, f]);
equal(col.length, 2); assert.equal(col.length, 2);
equal(resetCount, 5); assert.equal(resetCount, 5);
col.reset(new Array(4)); col.reset(new Array(4));
equal(col.length, 4); assert.equal(col.length, 4);
equal(resetCount, 6); assert.equal(resetCount, 6);
}); });
test ("reset with different values", function(){ QUnit.test('reset with different values', function(assert) {
var col = new Backbone.Collection({id: 1}); var col = new Backbone.Collection({id: 1});
col.reset({id: 1, a: 1}); col.reset({id: 1, a: 1});
equal(col.get(1).get('a'), 1); assert.equal(col.get(1).get('a'), 1);
}); });
test("same references in reset", function() { QUnit.test('same references in reset', function(assert) {
var model = new Backbone.Model({id: 1}); var model = new Backbone.Model({id: 1});
var collection = new Backbone.Collection({id: 1}); var collection = new Backbone.Collection({id: 1});
collection.reset(model); collection.reset(model);
equal(collection.get(1), model); assert.equal(collection.get(1), model);
}); });
test("reset passes caller options", 3, function() { QUnit.test('reset passes caller options', function(assert) {
assert.expect(3);
var Model = Backbone.Model.extend({ var Model = Backbone.Model.extend({
initialize: function(attrs, options) { initialize: function(attrs, options) {
this.model_parameter = options.model_parameter; this.modelParameter = options.modelParameter;
} }
}); });
var col = new (Backbone.Collection.extend({ model: Model }))(); var col = new (Backbone.Collection.extend({model: Model}))();
col.reset([{ astring: "green", anumber: 1 }, { astring: "blue", anumber: 2 } col.reset([{astring: 'green', anumber: 1}, {astring: 'blue', anumber: 2}], {
], { model_parameter: 'model parameter' }); modelParameter: 'model parameter'});
equal(col.length, 2); assert.equal(col.length, 2);
col.each(function(model) { col.each(function(model) {
equal(model.model_parameter, 'model parameter'); assert.equal(model.modelParameter, 'model parameter');
}); });
}); });
test("trigger custom events on models", 1, function() { QUnit.test('reset does not alter options by reference', function(assert) {
assert.expect(2);
var col = new Backbone.Collection([{id: 1}]);
var origOpts = {};
col.on('reset', function(col, opts){
assert.equal(origOpts.previousModels, undefined);
assert.equal(opts.previousModels[0].id, 1);
});
col.reset([], origOpts);
});
QUnit.test('trigger custom events on models', function(assert) {
assert.expect(1);
var fired = null; var fired = null;
a.on("custom", function() { fired = true; }); a.on('custom', function() { fired = true; });
a.trigger("custom"); a.trigger('custom');
equal(fired, true); assert.equal(fired, true);
}); });
test("add does not alter arguments", 2, function(){ QUnit.test('add does not alter arguments', function(assert) {
assert.expect(2);
var attrs = {}; var attrs = {};
var models = [attrs]; var models = [attrs];
new Backbone.Collection().add(models); new Backbone.Collection().add(models);
equal(models.length, 1); assert.equal(models.length, 1);
ok(attrs === models[0]); assert.ok(attrs === models[0]);
}); });
test("#714: access `model.collection` in a brand new model.", 2, function() { QUnit.test('#714: access `model.collection` in a brand new model.', function(a
ssert) {
assert.expect(2);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.url = '/test'; collection.url = '/test';
var Model = Backbone.Model.extend({ var Model = Backbone.Model.extend({
set: function(attrs) { set: function(attrs) {
equal(attrs.prop, 'value'); assert.equal(attrs.prop, 'value');
equal(this.collection, collection); assert.equal(this.collection, collection);
return this; return this;
} }
}); });
collection.model = Model; collection.model = Model;
collection.create({prop: 'value'}); collection.create({prop: 'value'});
}); });
test("#574, remove its own reference to the .models array.", 2, function() { QUnit.test('#574, remove its own reference to the .models array.', function(as
sert) {
assert.expect(2);
var col = new Backbone.Collection([ var col = new Backbone.Collection([
{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6} {id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}
]); ]);
equal(col.length, 6); assert.equal(col.length, 6);
col.remove(col.models); col.remove(col.models);
equal(col.length, 0); assert.equal(col.length, 0);
}); });
test("#861, adding models to a collection which do not pass validation, with v QUnit.test('#861, adding models to a collection which do not pass validation,
alidate:true", function() { with validate:true', function(assert) {
var Model = Backbone.Model.extend({ assert.expect(2);
validate: function(attrs) { var Model = Backbone.Model.extend({
if (attrs.id == 3) return "id can't be 3"; validate: function(attrs) {
} if (attrs.id == 3) return "id can't be 3";
}); }
});
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
model: Model model: Model
}); });
var collection = new Collection; var collection = new Collection;
collection.on("error", function() { ok(true); }); collection.on('invalid', function() { assert.ok(true); });
collection.add([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}], {va collection.add([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}], {vali
lidate:true}); date: true});
deepEqual(collection.pluck('id'), [1, 2, 4, 5, 6]); assert.deepEqual(collection.pluck('id'), [1, 2, 4, 5, 6]);
}); });
test("Invalid models are discarded with validate:true.", 5, function() { QUnit.test('Invalid models are discarded with validate:true.', function(assert
) {
assert.expect(5);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.on('test', function() { ok(true); }); collection.on('test', function() { assert.ok(true); });
collection.model = Backbone.Model.extend({ collection.model = Backbone.Model.extend({
validate: function(attrs){ if (!attrs.valid) return 'invalid'; } validate: function(attrs){ if (!attrs.valid) return 'invalid'; }
}); });
var model = new collection.model({id: 1, valid: true}); var model = new collection.model({id: 1, valid: true});
collection.add([model, {id: 2}], {validate:true}); collection.add([model, {id: 2}], {validate: true});
model.trigger('test'); model.trigger('test');
ok(collection.get(model.cid)); assert.ok(collection.get(model.cid));
ok(collection.get(1)); assert.ok(collection.get(1));
ok(!collection.get(2)); assert.ok(!collection.get(2));
equal(collection.length, 1); assert.equal(collection.length, 1);
}); });
test("multiple copies of the same model", 3, function() { QUnit.test('multiple copies of the same model', function(assert) {
assert.expect(3);
var col = new Backbone.Collection(); var col = new Backbone.Collection();
var model = new Backbone.Model(); var model = new Backbone.Model();
col.add([model, model]); col.add([model, model]);
equal(col.length, 1); assert.equal(col.length, 1);
col.add([{id: 1}, {id: 1}]); col.add([{id: 1}, {id: 1}]);
equal(col.length, 2); assert.equal(col.length, 2);
equal(col.last().id, 1); assert.equal(col.last().id, 1);
}); });
test("#964 - collection.get return inconsistent", 2, function() { QUnit.test('#964 - collection.get return inconsistent', function(assert) {
assert.expect(2);
var c = new Backbone.Collection(); var c = new Backbone.Collection();
ok(c.get(null) === undefined); assert.ok(c.get(null) === undefined);
ok(c.get() === undefined); assert.ok(c.get() === undefined);
}); });
test("#1112 - passing options.model sets collection.model", 2, function() { QUnit.test('#1112 - passing options.model sets collection.model', function(ass
ert) {
assert.expect(2);
var Model = Backbone.Model.extend({}); var Model = Backbone.Model.extend({});
var c = new Backbone.Collection([{id: 1}], {model: Model}); var c = new Backbone.Collection([{id: 1}], {model: Model});
ok(c.model === Model); assert.ok(c.model === Model);
ok(c.at(0) instanceof Model); assert.ok(c.at(0) instanceof Model);
}); });
test("null and undefined are invalid ids.", 2, function() { QUnit.test('null and undefined are invalid ids.', function(assert) {
assert.expect(2);
var model = new Backbone.Model({id: 1}); var model = new Backbone.Model({id: 1});
var collection = new Backbone.Collection([model]); var collection = new Backbone.Collection([model]);
model.set({id: null}); model.set({id: null});
ok(!collection.get('null')); assert.ok(!collection.get('null'));
model.set({id: 1}); model.set({id: 1});
model.set({id: undefined}); model.set({id: undefined});
ok(!collection.get('undefined')); assert.ok(!collection.get('undefined'));
}); });
test("falsy comparator", 4, function(){ QUnit.test('falsy comparator', function(assert) {
assert.expect(4);
var Col = Backbone.Collection.extend({ var Col = Backbone.Collection.extend({
comparator: function(model){ return model.id; } comparator: function(model){ return model.id; }
}); });
var col = new Col(); var col = new Col();
var colFalse = new Col(null, {comparator: false}); var colFalse = new Col(null, {comparator: false});
var colNull = new Col(null, {comparator: null}); var colNull = new Col(null, {comparator: null});
var colUndefined = new Col(null, {comparator: undefined}); var colUndefined = new Col(null, {comparator: undefined});
ok(col.comparator); assert.ok(col.comparator);
ok(!colFalse.comparator); assert.ok(!colFalse.comparator);
ok(!colNull.comparator); assert.ok(!colNull.comparator);
ok(colUndefined.comparator); assert.ok(colUndefined.comparator);
}); });
test("#1355 - `options` is passed to success callbacks", 2, function(){ QUnit.test('#1355 - `options` is passed to success callbacks', function(assert
var m = new Backbone.Model({x:1}); ) {
assert.expect(2);
var m = new Backbone.Model({x: 1});
var col = new Backbone.Collection(); var col = new Backbone.Collection();
var opts = { var opts = {
success: function(collection, resp, options){ opts: true,
ok(options); success: function(collection, resp, options) {
assert.ok(options.opts);
} }
}; };
col.sync = m.sync = function( method, collection, options ){ col.sync = m.sync = function( method, collection, options ){
options.success(collection, [], options); options.success({});
}; };
col.fetch(opts); col.fetch(opts);
col.create(m, opts); col.create(m, opts);
}); });
test("#1412 - Trigger 'request' and 'sync' events.", 4, function() { QUnit.test("#1412 - Trigger 'request' and 'sync' events.", function(assert) {
assert.expect(4);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.url = '/test'; collection.url = '/test';
Backbone.ajax = function(settings){ settings.success(); }; Backbone.ajax = function(settings){ settings.success(); };
collection.on('request', function(obj, xhr, options) { collection.on('request', function(obj, xhr, options) {
ok(obj === collection, "collection has correct 'request' event after fetch ing"); assert.ok(obj === collection, "collection has correct 'request' event afte r fetching");
}); });
collection.on('sync', function(obj, response, options) { collection.on('sync', function(obj, response, options) {
ok(obj === collection, "collection has correct 'sync' event after fetching "); assert.ok(obj === collection, "collection has correct 'sync' event after f etching");
}); });
collection.fetch(); collection.fetch();
collection.off(); collection.off();
collection.on('request', function(obj, xhr, options) { collection.on('request', function(obj, xhr, options) {
ok(obj === collection.get(1), "collection has correct 'request' event afte r one of its models save"); assert.ok(obj === collection.get(1), "collection has correct 'request' eve nt after one of its models save");
}); });
collection.on('sync', function(obj, response, options) { collection.on('sync', function(obj, response, options) {
ok(obj === collection.get(1), "collection has correct 'sync' event after o ne of its models save"); assert.ok(obj === collection.get(1), "collection has correct 'sync' event after one of its models save");
}); });
collection.create({id: 1}); collection.create({id: 1});
collection.off(); collection.off();
}); });
test("#1447 - create with wait adds model.", 1, function() { 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 collection = new Backbone.Collection;
var model = new Backbone.Model; var model = new Backbone.Model;
model.sync = function(method, model, options){ options.success(); }; model.sync = function(method, model, options){ options.success(); };
collection.on('add', function(){ ok(true); }); collection.on('add', function(){ assert.ok(true); });
collection.create(model, {wait: true}); collection.create(model, {wait: true});
}); });
test("#1448 - add sorts collection after merge.", 1, function() { QUnit.test('#1448 - add sorts collection after merge.', function(assert) {
assert.expect(1);
var collection = new Backbone.Collection([ var collection = new Backbone.Collection([
{id: 1, x: 1}, {id: 1, x: 1},
{id: 2, x: 2} {id: 2, x: 2}
]); ]);
collection.comparator = function(model){ return model.get('x'); }; collection.comparator = function(model){ return model.get('x'); };
collection.add({id: 1, x: 3}, {merge: true}); collection.add({id: 1, x: 3}, {merge: true});
deepEqual(collection.pluck('id'), [2, 1]); assert.deepEqual(collection.pluck('id'), [2, 1]);
}); });
test("#1655 - groupBy can be used with a string argument.", 3, function() { QUnit.test('#1655 - groupBy can be used with a string argument.', function(ass
ert) {
assert.expect(3);
var collection = new Backbone.Collection([{x: 1}, {x: 2}]); var collection = new Backbone.Collection([{x: 1}, {x: 2}]);
var grouped = collection.groupBy('x'); var grouped = collection.groupBy('x');
strictEqual(_.keys(grouped).length, 2); assert.strictEqual(_.keys(grouped).length, 2);
strictEqual(grouped[1][0].get('x'), 1); assert.strictEqual(grouped[1][0].get('x'), 1);
strictEqual(grouped[2][0].get('x'), 2); assert.strictEqual(grouped[2][0].get('x'), 2);
}); });
test("#1655 - sortBy can be used with a string argument.", 1, function() { QUnit.test('#1655 - sortBy can be used with a string argument.', function(asse
rt) {
assert.expect(1);
var collection = new Backbone.Collection([{x: 3}, {x: 1}, {x: 2}]); var collection = new Backbone.Collection([{x: 3}, {x: 1}, {x: 2}]);
var values = _.map(collection.sortBy('x'), function(model) { var values = _.map(collection.sortBy('x'), function(model) {
return model.get('x'); return model.get('x');
}); });
deepEqual(values, [1, 2, 3]); assert.deepEqual(values, [1, 2, 3]);
}); });
test("#1604 - Removal during iteration.", 0, function() { QUnit.test('#1604 - Removal during iteration.', function(assert) {
assert.expect(0);
var collection = new Backbone.Collection([{}, {}]); var collection = new Backbone.Collection([{}, {}]);
collection.on('add', function() { collection.on('add', function() {
collection.at(0).destroy(); collection.at(0).destroy();
}); });
collection.add({}, {at: 0}); collection.add({}, {at: 0});
}); });
test("#1638 - `sort` during `add` triggers correctly.", function() { QUnit.test('#1638 - `sort` during `add` triggers correctly.', function(assert) {
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.comparator = function(model) { return model.get('x'); }; collection.comparator = function(model) { return model.get('x'); };
var added = []; var added = [];
collection.on('add', function(model) { collection.on('add', function(model) {
model.set({x: 3}); model.set({x: 3});
collection.sort(); collection.sort();
added.push(model.id); added.push(model.id);
}); });
collection.add([{id: 1, x: 1}, {id: 2, x: 2}]); collection.add([{id: 1, x: 1}, {id: 2, x: 2}]);
deepEqual(added, [1, 2]); assert.deepEqual(added, [1, 2]);
}); });
test("fetch parses models by default", 1, function() { QUnit.test('fetch parses models by default', function(assert) {
assert.expect(1);
var model = {}; var model = {};
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
url: 'test', url: 'test',
model: Backbone.Model.extend({ model: Backbone.Model.extend({
parse: function(resp) { parse: function(resp) {
strictEqual(resp, model); assert.strictEqual(resp, model);
} }
}) })
}); });
new Collection().fetch(); new Collection().fetch();
this.ajaxSettings.success([model]); this.ajaxSettings.success([model]);
}); });
test("`sort` shouldn't always fire on `add`", 1, function() { QUnit.test("`sort` shouldn't always fire on `add`", function(assert) {
assert.expect(1);
var c = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}], { var c = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}], {
comparator: 'id' comparator: 'id'
}); });
c.sort = function(){ ok(true); }; c.sort = function(){ assert.ok(true); };
c.add([]); c.add([]);
c.add({id: 1}); c.add({id: 1});
c.add([{id: 2}, {id: 3}]); c.add([{id: 2}, {id: 3}]);
c.add({id: 4}); c.add({id: 4});
}); });
test("#1407 parse option on constructor parses collection and models", 2, func QUnit.test('#1407 parse option on constructor parses collection and models', f
tion() { unction(assert) {
assert.expect(2);
var model = { var model = {
namespace : [{id: 1}, {id:2}] namespace: [{id: 1}, {id: 2}]
}; };
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
model: Backbone.Model.extend({ model: Backbone.Model.extend({
parse: function(model) { parse: function(model) {
model.name = 'test'; model.name = 'test';
return model; return model;
} }
}), }),
parse: function(model) { parse: function(model) {
return model.namespace; return model.namespace;
} }
}); });
var c = new Collection(model, {parse:true}); var c = new Collection(model, {parse: true});
equal(c.length, 2); assert.equal(c.length, 2);
equal(c.at(0).get('name'), 'test'); assert.equal(c.at(0).get('name'), 'test');
}); });
test("#1407 parse option on reset parses collection and models", 2, function() QUnit.test('#1407 parse option on reset parses collection and models', functio
{ n(assert) {
assert.expect(2);
var model = { var model = {
namespace : [{id: 1}, {id:2}] namespace: [{id: 1}, {id: 2}]
}; };
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
model: Backbone.Model.extend({ model: Backbone.Model.extend({
parse: function(model) { parse: function(model) {
model.name = 'test'; model.name = 'test';
return model; return model;
} }
}), }),
parse: function(model) { parse: function(model) {
return model.namespace; return model.namespace;
} }
}); });
var c = new Collection(); var c = new Collection();
c.reset(model, {parse:true}); c.reset(model, {parse: true});
equal(c.length, 2); assert.equal(c.length, 2);
equal(c.at(0).get('name'), 'test'); assert.equal(c.at(0).get('name'), 'test');
}); });
test("Reset includes previous models in triggered event.", 1, function() { QUnit.test('Reset includes previous models in triggered event.', function(asse
rt) {
assert.expect(1);
var model = new Backbone.Model(); var model = new Backbone.Model();
var collection = new Backbone.Collection([model]) var collection = new Backbone.Collection([model])
.on('reset', function(collection, options) { .on('reset', function(collection, options) {
deepEqual(options.previousModels, [model]); assert.deepEqual(options.previousModels, [model]);
}); });
collection.reset([]); collection.reset([]);
}); });
test("set", function() { QUnit.test('set', function(assert) {
var m1 = new Backbone.Model(); var m1 = new Backbone.Model();
var m2 = new Backbone.Model({id: 2}); var m2 = new Backbone.Model({id: 2});
var m3 = new Backbone.Model(); var m3 = new Backbone.Model();
var c = new Backbone.Collection([m1, m2]); var c = new Backbone.Collection([m1, m2]);
// Test add/change/remove events // Test add/change/remove events
c.on('add', function(model) { c.on('add', function(model) {
strictEqual(model, m3); assert.strictEqual(model, m3);
}); });
c.on('change', function(model) { c.on('change', function(model) {
strictEqual(model, m2); assert.strictEqual(model, m2);
}); });
c.on('remove', function(model) { c.on('remove', function(model) {
strictEqual(model, m1); assert.strictEqual(model, m1);
}); });
// remove: false doesn't remove any models // remove: false doesn't remove any models
c.set([], {remove: false}); c.set([], {remove: false});
strictEqual(c.length, 2); assert.strictEqual(c.length, 2);
// add: false doesn't add any models // add: false doesn't add any models
c.set([m1, m2, m3], {add: false}); c.set([m1, m2, m3], {add: false});
strictEqual(c.length, 2); assert.strictEqual(c.length, 2);
// merge: false doesn't change any models // merge: false doesn't change any models
c.set([m1, {id: 2, a: 1}], {merge: false}); c.set([m1, {id: 2, a: 1}], {merge: false});
strictEqual(m2.get('a'), void 0); assert.strictEqual(m2.get('a'), void 0);
// add: false, remove: false only merges existing models // add: false, remove: false only merges existing models
c.set([m1, {id: 2, a: 0}, m3, {id: 4}], {add: false, remove: false}); c.set([m1, {id: 2, a: 0}, m3, {id: 4}], {add: false, remove: false});
strictEqual(c.length, 2); assert.strictEqual(c.length, 2);
strictEqual(m2.get('a'), 0); assert.strictEqual(m2.get('a'), 0);
// default options add/remove/merge as appropriate // default options add/remove/merge as appropriate
c.set([{id: 2, a: 1}, m3]); c.set([{id: 2, a: 1}, m3]);
strictEqual(c.length, 2); assert.strictEqual(c.length, 2);
strictEqual(m2.get('a'), 1); assert.strictEqual(m2.get('a'), 1);
// Test removing models not passing an argument // Test removing models not passing an argument
c.off('remove').on('remove', function(model) { c.off('remove').on('remove', function(model) {
ok(model === m2 || model === m3); assert.ok(model === m2 || model === m3);
}); });
c.set([]); c.set([]);
strictEqual(c.length, 0); assert.strictEqual(c.length, 0);
// Test null models on set doesn't clear collection
c.off();
c.set([{id: 1}]);
c.set();
assert.strictEqual(c.length, 1);
}); });
test("set with only cids", 3, function() { QUnit.test('set with only cids', function(assert) {
assert.expect(3);
var m1 = new Backbone.Model; var m1 = new Backbone.Model;
var m2 = new Backbone.Model; var m2 = new Backbone.Model;
var c = new Backbone.Collection; var c = new Backbone.Collection;
c.set([m1, m2]); c.set([m1, m2]);
equal(c.length, 2); assert.equal(c.length, 2);
c.set([m1]); c.set([m1]);
equal(c.length, 1); assert.equal(c.length, 1);
c.set([m1, m1, m1, m2, m2], {remove: false}); c.set([m1, m1, m1, m2, m2], {remove: false});
equal(c.length, 2); assert.equal(c.length, 2);
}); });
test("set with only idAttribute", 3, function() { QUnit.test('set with only idAttribute', function(assert) {
var m1 = { _id: 1 }; assert.expect(3);
var m2 = { _id: 2 }; var m1 = {_id: 1};
var col = Backbone.Collection.extend({ var m2 = {_id: 2};
var Col = Backbone.Collection.extend({
model: Backbone.Model.extend({ model: Backbone.Model.extend({
idAttribute: '_id' idAttribute: '_id'
}) })
}); });
var c = new col; var c = new Col;
c.set([m1, m2]); c.set([m1, m2]);
equal(c.length, 2); assert.equal(c.length, 2);
c.set([m1]); c.set([m1]);
equal(c.length, 1); assert.equal(c.length, 1);
c.set([m1, m1, m1, m2, m2], {remove: false}); c.set([m1, m1, m1, m2, m2], {remove: false});
equal(c.length, 2); assert.equal(c.length, 2);
}); });
test("set + merge with default values defined", function() { QUnit.test('set + merge with default values defined', function(assert) {
var Model = Backbone.Model.extend({ var Model = Backbone.Model.extend({
defaults: { defaults: {
key: 'value' key: 'value'
} }
}); });
var m = new Model({id: 1}); var m = new Model({id: 1});
var col = new Backbone.Collection([m], {model: Model}); var col = new Backbone.Collection([m], {model: Model});
equal(col.first().get('key'), 'value'); assert.equal(col.first().get('key'), 'value');
col.set({id: 1, key: 'other'}); col.set({id: 1, key: 'other'});
equal(col.first().get('key'), 'other'); assert.equal(col.first().get('key'), 'other');
col.set({id: 1, other: 'value'}); col.set({id: 1, other: 'value'});
equal(col.first().get('key'), 'other'); assert.equal(col.first().get('key'), 'other');
equal(col.length, 1); assert.equal(col.length, 1);
}); });
test('merge without mutation', function () { QUnit.test('merge without mutation', function(assert) {
var Model = Backbone.Model.extend({ var Model = Backbone.Model.extend({
initialize: function (attrs, options) { initialize: function(attrs, options) {
if (attrs.child) { if (attrs.child) {
this.set('child', new Model(attrs.child, options), options); this.set('child', new Model(attrs.child, options), options);
} }
} }
}); });
var Collection = Backbone.Collection.extend({model: Model}); var Collection = Backbone.Collection.extend({model: Model});
var data = [{id: 1, child: {id: 2}}]; var data = [{id: 1, child: {id: 2}}];
var collection = new Collection(data); var collection = new Collection(data);
equal(collection.first().id, 1); assert.equal(collection.first().id, 1);
collection.set(data); collection.set(data);
equal(collection.first().id, 1); assert.equal(collection.first().id, 1);
collection.set([{id: 2, child: {id: 2}}].concat(data)); collection.set([{id: 2, child: {id: 2}}].concat(data));
deepEqual(collection.pluck('id'), [2, 1]); assert.deepEqual(collection.pluck('id'), [2, 1]);
}); });
test("`set` and model level `parse`", function() { QUnit.test('`set` and model level `parse`', function(assert) {
var Model = Backbone.Model.extend({}); var Model = Backbone.Model.extend({});
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
model: Model, model: Model,
parse: function (res) { return _.pluck(res.models, 'model'); } parse: function(res) { return _.map(res.models, 'model'); }
}); });
var model = new Model({id: 1}); var model = new Model({id: 1});
var collection = new Collection(model); var collection = new Collection(model);
collection.set({models: [ collection.set({models: [
{model: {id: 1}}, {model: {id: 1}},
{model: {id: 2}} {model: {id: 2}}
]}, {parse: true}); ]}, {parse: true});
equal(collection.first(), model); assert.equal(collection.first(), model);
}); });
test("`set` data is only parsed once", function() { QUnit.test('`set` data is only parsed once', function(assert) {
var collection = new Backbone.Collection(); var collection = new Backbone.Collection();
collection.model = Backbone.Model.extend({ collection.model = Backbone.Model.extend({
parse: function (data) { parse: function(data) {
equal(data.parsed, void 0); assert.equal(data.parsed, void 0);
data.parsed = true; data.parsed = true;
return data; return data;
} }
}); });
collection.set({}, {parse: true}); collection.set({}, {parse: true});
}); });
test('`set` matches input order in the absence of a comparator', function () { QUnit.test('`set` matches input order in the absence of a comparator', functio n(assert) {
var one = new Backbone.Model({id: 1}); var one = new Backbone.Model({id: 1});
var two = new Backbone.Model({id: 2}); var two = new Backbone.Model({id: 2});
var three = new Backbone.Model({id: 3}); var three = new Backbone.Model({id: 3});
var collection = new Backbone.Collection([one, two, three]); var collection = new Backbone.Collection([one, two, three]);
collection.set([{id: 3}, {id: 2}, {id: 1}]); collection.set([{id: 3}, {id: 2}, {id: 1}]);
deepEqual(collection.models, [three, two, one]); assert.deepEqual(collection.models, [three, two, one]);
collection.set([{id: 1}, {id: 2}]); collection.set([{id: 1}, {id: 2}]);
deepEqual(collection.models, [one, two]); assert.deepEqual(collection.models, [one, two]);
collection.set([two, three, one]); collection.set([two, three, one]);
deepEqual(collection.models, [two, three, one]); assert.deepEqual(collection.models, [two, three, one]);
collection.set([{id: 1}, {id: 2}], {remove: false}); collection.set([{id: 1}, {id: 2}], {remove: false});
deepEqual(collection.models, [two, three, one]); assert.deepEqual(collection.models, [two, three, one]);
collection.set([{id: 1}, {id: 2}, {id: 3}], {merge: false}); collection.set([{id: 1}, {id: 2}, {id: 3}], {merge: false});
deepEqual(collection.models, [one, two, three]); assert.deepEqual(collection.models, [one, two, three]);
collection.set([three, two, one, {id: 4}], {add: false}); collection.set([three, two, one, {id: 4}], {add: false});
deepEqual(collection.models, [one, two, three]); assert.deepEqual(collection.models, [one, two, three]);
}); });
test("#1894 - Push should not trigger a sort", 0, function() { QUnit.test('#1894 - Push should not trigger a sort', function(assert) {
assert.expect(0);
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
comparator: 'id', comparator: 'id',
sort: function() { sort: function() { assert.ok(false); }
ok(false);
}
}); });
new Collection().push({id: 1}); new Collection().push({id: 1});
}); });
test("#2428 - push duplicate models, return the correct one", 1, function() { QUnit.test('#2428 - push duplicate models, return the correct one', function(a
ssert) {
assert.expect(1);
var col = new Backbone.Collection; var col = new Backbone.Collection;
var model1 = col.push({id: 101}); var model1 = col.push({id: 101});
var model2 = col.push({id: 101}) var model2 = col.push({id: 101});
ok(model2.cid == model1.cid); assert.ok(model2.cid == model1.cid);
}); });
test("`set` with non-normal id", function() { QUnit.test('`set` with non-normal id', function(assert) {
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
model: Backbone.Model.extend({idAttribute: '_id'}) model: Backbone.Model.extend({idAttribute: '_id'})
}); });
var collection = new Collection({_id: 1}); var collection = new Collection({_id: 1});
collection.set([{_id: 1, a: 1}], {add: false}); collection.set([{_id: 1, a: 1}], {add: false});
equal(collection.first().get('a'), 1); assert.equal(collection.first().get('a'), 1);
}); });
test("#1894 - `sort` can optionally be turned off", 0, function() { QUnit.test('#1894 - `sort` can optionally be turned off', function(assert) {
assert.expect(0);
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
comparator: 'id', comparator: 'id',
sort: function() { ok(true); } sort: function() { assert.ok(false); }
}); });
new Collection().add({id: 1}, {sort: false}); new Collection().add({id: 1}, {sort: false});
}); });
test("#1915 - `parse` data in the right order in `set`", function() { QUnit.test('#1915 - `parse` data in the right order in `set`', function(assert ) {
var collection = new (Backbone.Collection.extend({ var collection = new (Backbone.Collection.extend({
parse: function (data) { parse: function(data) {
strictEqual(data.status, 'ok'); assert.strictEqual(data.status, 'ok');
return data.data; return data.data;
} }
})); }));
var res = {status: 'ok', data:[{id: 1}]}; var res = {status: 'ok', data: [{id: 1}]};
collection.set(res, {parse: true}); collection.set(res, {parse: true});
}); });
asyncTest("#1939 - `parse` is passed `options`", 1, function () { QUnit.test('#1939 - `parse` is passed `options`', function(assert) {
var done = assert.async();
assert.expect(1);
var collection = new (Backbone.Collection.extend({ var collection = new (Backbone.Collection.extend({
url: '/', url: '/',
parse: function (data, options) { parse: function(data, options) {
strictEqual(options.xhr.someHeader, 'headerValue'); assert.strictEqual(options.xhr.someHeader, 'headerValue');
return data; return data;
} }
})); }));
var ajax = Backbone.ajax; var ajax = Backbone.ajax;
Backbone.ajax = function (params) { Backbone.ajax = function(params) {
_.defer(params.success); _.defer(params.success, []);
return {someHeader: 'headerValue'}; return {someHeader: 'headerValue'};
}; };
collection.fetch({ collection.fetch({
success: function () { start(); } success: function() { done(); }
}); });
Backbone.ajax = ajax; Backbone.ajax = ajax;
}); });
test("`add` only `sort`s when necessary", 2, function () { QUnit.test('fetch will pass extra options to success callback', function(asser
t) {
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(collection, 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({ var collection = new (Backbone.Collection.extend({
comparator: 'a' comparator: 'a'
}))([{id: 1}, {id: 2}, {id: 3}]); }))([{id: 1}, {id: 2}, {id: 3}]);
collection.on('sort', function () { ok(true); }); collection.on('sort', function() { assert.ok(true); });
collection.add({id: 4}); // do sort, new model collection.add({id: 4}); // do sort, new model
collection.add({id: 1, a: 1}, {merge: true}); // do sort, comparator change 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 c hange collection.add({id: 1, b: 1}, {merge: true}); // don't sort, no comparator c hange
collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no comparator c hange collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no comparator c hange
collection.add(collection.models); // don't sort, nothing new collection.add(collection.models); // don't sort, nothing new
collection.add(collection.models, {merge: true}); // don't sort collection.add(collection.models, {merge: true}); // don't sort
}); });
test("`add` only `sort`s when necessary with comparator function", 3, function QUnit.test('`add` only `sort`s when necessary with comparator function', funct
() { ion(assert) {
assert.expect(3);
var collection = new (Backbone.Collection.extend({ var collection = new (Backbone.Collection.extend({
comparator: function(a, b) { comparator: function(a, b) {
return a.get('a') > b.get('a') ? 1 : (a.get('a') < b.get('a') ? -1 : 0); return a.get('a') > b.get('a') ? 1 : (a.get('a') < b.get('a') ? -1 : 0);
} }
}))([{id: 1}, {id: 2}, {id: 3}]); }))([{id: 1}, {id: 2}, {id: 3}]);
collection.on('sort', function () { ok(true); }); collection.on('sort', function() { assert.ok(true); });
collection.add({id: 4}); // do sort, new model collection.add({id: 4}); // do sort, new model
collection.add({id: 1, a: 1}, {merge: true}); // do sort, model change 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, b: 1}, {merge: true}); // do sort, model change
collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no 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); // don't sort, nothing new
collection.add(collection.models, {merge: true}); // don't sort collection.add(collection.models, {merge: true}); // don't sort
}); });
test("Attach options to collection.", 2, function() { QUnit.test('Attach options to collection.', function(assert) {
var model = new Backbone.Model; assert.expect(2);
var Model = Backbone.Model;
var comparator = function(){}; var comparator = function(){};
var collection = new Backbone.Collection([], { var collection = new Backbone.Collection([], {
model: model, model: Model,
comparator: comparator comparator: comparator
}); });
ok(collection.model === model); assert.ok(collection.model === Model);
ok(collection.comparator === comparator); assert.ok(collection.comparator === comparator);
}); });
test("`add` overrides `set` flags", function () { QUnit.test('Pass falsey for `models` for empty Col with `options`', function(a
ssert) {
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 col = new Collection(falsey, opts);
assert.strictEqual(col.length, 0);
});
});
QUnit.test('`add` overrides `set` flags', function(assert) {
var collection = new Backbone.Collection(); var collection = new Backbone.Collection();
collection.once('add', function (model, collection, options) { collection.once('add', function(model, collection, options) {
collection.add({id: 2}, options); collection.add({id: 2}, options);
}); });
collection.set({id: 1}); collection.set({id: 1});
equal(collection.length, 2); assert.equal(collection.length, 2);
}); });
test("#2606 - Collection#create, success arguments", 1, function() { QUnit.test('#2606 - Collection#create, success arguments', function(assert) {
assert.expect(1);
var collection = new Backbone.Collection; var collection = new Backbone.Collection;
collection.url = 'test'; collection.url = 'test';
collection.create({}, { collection.create({}, {
success: function(model, resp, options) { success: function(model, resp, options) {
strictEqual(resp, 'response'); assert.strictEqual(resp, 'response');
} }
}); });
this.ajaxSettings.success('response'); this.ajaxSettings.success('response');
}); });
test("#2612 - nested `parse` works with `Collection#set`", function() { QUnit.test('#2612 - nested `parse` works with `Collection#set`', function(asse rt) {
var Job = Backbone.Model.extend({ var Job = Backbone.Model.extend({
constructor: function() { constructor: function() {
this.items = new Items(); this.items = new Items();
Backbone.Model.apply(this, arguments); Backbone.Model.apply(this, arguments);
}, },
parse: function(attrs) { parse: function(attrs) {
this.items.set(attrs.items, {parse: true}); this.items.set(attrs.items, {parse: true});
return _.omit(attrs, 'items'); return _.omit(attrs, 'items');
} }
skipping to change at line 1264 skipping to change at line 1535
}] }]
}; };
var newData = { var newData = {
name: 'NewJobName', name: 'NewJobName',
id: 1, id: 1,
items: [{ items: [{
id: 1, id: 1,
name: 'NewSub1', name: 'NewSub1',
subItems: [ subItems: [
{id: 1,subName: 'NewOne'}, {id: 1, subName: 'NewOne'},
{id: 2,subName: 'NewTwo'} {id: 2, subName: 'NewTwo'}
] ]
}, { }, {
id: 2, id: 2,
name: 'NewSub2', name: 'NewSub2',
subItems: [ subItems: [
{id: 3,subName: 'NewThree'}, {id: 3, subName: 'NewThree'},
{id: 4,subName: 'NewFour'} {id: 4, subName: 'NewFour'}
] ]
}] }]
}; };
var job = new Job(data, {parse: true}); var job = new Job(data, {parse: true});
equal(job.get('name'), 'JobName'); assert.equal(job.get('name'), 'JobName');
equal(job.items.at(0).get('name'), 'Sub1'); assert.equal(job.items.at(0).get('name'), 'Sub1');
equal(job.items.length, 2); assert.equal(job.items.length, 2);
equal(job.items.get(1).subItems.get(1).get('subName'), 'One'); assert.equal(job.items.get(1).subItems.get(1).get('subName'), 'One');
equal(job.items.get(2).subItems.get(3).get('subName'), 'Three'); assert.equal(job.items.get(2).subItems.get(3).get('subName'), 'Three');
job.set(job.parse(newData, {parse: true})); job.set(job.parse(newData, {parse: true}));
equal(job.get('name'), 'NewJobName'); assert.equal(job.get('name'), 'NewJobName');
equal(job.items.at(0).get('name'), 'NewSub1'); assert.equal(job.items.at(0).get('name'), 'NewSub1');
equal(job.items.length, 2); assert.equal(job.items.length, 2);
equal(job.items.get(1).subItems.get(1).get('subName'), 'NewOne'); assert.equal(job.items.get(1).subItems.get(1).get('subName'), 'NewOne');
equal(job.items.get(2).subItems.get(3).get('subName'), 'NewThree'); assert.equal(job.items.get(2).subItems.get(3).get('subName'), 'NewThree');
}); });
test('_addReference binds all collection events & adds to the lookup hashes', QUnit.test('_addReference binds all collection events & adds to the lookup has
9, function() { hes', function(assert) {
assert.expect(9);
var calls = {add: 0, remove: 0}; var calls = {add: 0, remove: 0};
var Collection = Backbone.Collection.extend({ var Collection = Backbone.Collection.extend({
_addReference: function(model) { _addReference: function(model) {
Backbone.Collection.prototype._addReference.apply(this, arguments); Backbone.Collection.prototype._addReference.apply(this, arguments);
calls.add++; calls.add++;
equal(model, this._byId[model.id]); assert.equal(model, this._byId[model.id]);
equal(model, this._byId[model.cid]); assert.equal(model, this._byId[model.cid]);
equal(model._events.all.length, 1); assert.equal(model._events.all.length, 1);
}, },
_removeReference: function(model) { _removeReference: function(model) {
Backbone.Collection.prototype._removeReference.apply(this, arguments); Backbone.Collection.prototype._removeReference.apply(this, arguments);
calls.remove++; calls.remove++;
equal(this._byId[model.id], void 0); assert.equal(this._byId[model.id], void 0);
equal(this._byId[model.cid], void 0); assert.equal(this._byId[model.cid], void 0);
equal(model.collection, void 0); assert.equal(model.collection, void 0);
equal(model._events.all, void 0); assert.equal(model._events, void 0);
} }
}); });
var collection = new Collection(); var collection = new Collection();
var model = collection.add({id: 1}); var model = collection.add({id: 1});
collection.remove(model); collection.remove(model);
equal(calls.add, 1); assert.equal(calls.add, 1);
equal(calls.remove, 1); assert.equal(calls.remove, 1);
}); });
test('Do not allow duplicate models to be `add`ed or `set`', function() { QUnit.test('Do not allow duplicate models to be `add`ed or `set`', function(as sert) {
var c = new Backbone.Collection(); var c = new Backbone.Collection();
c.add([{id: 1}, {id: 1}]); c.add([{id: 1}, {id: 1}]);
equal(c.length, 1); assert.equal(c.length, 1);
equal(c.models.length, 1); assert.equal(c.models.length, 1);
c.set([{id: 1}, {id: 1}]); c.set([{id: 1}, {id: 1}]);
equal(c.length, 1); assert.equal(c.length, 1);
equal(c.models.length, 1); assert.equal(c.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(asse
rt) {
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(as
sert) {
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('#3039: adding at index fires with correct at', function(assert) {
assert.expect(3);
var col = new Backbone.Collection([{at: 0}, {at: 4}]);
col.on('add', function(model, col, options) {
assert.equal(model.get('at'), options.index);
});
col.add([{at: 1}, {at: 2}, {at: 3}], {at: 1});
});
QUnit.test('#3039: index is not sent when at is not specified', function(asser
t) {
assert.expect(2);
var col = new Backbone.Collection([{at: 0}]);
col.on('add', function(model, col, options) {
assert.equal(undefined, options.index);
});
col.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(as
sert) {
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(ass
ert) {
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 `set` when nothing removed', function(asse
rt) {
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) {
assert.expect(0);
var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
collection.on('update', function() { assert.ok(false); });
collection.set([{id: 1}, {id: 2}]);
});
QUnit.test('#3610 - invoke collects arguments', function(assert) {
assert.expect(3);
var Model = Backbone.Model.extend({
method: function(a, b, c) {
assert.equal(a, 1);
assert.equal(b, 2);
assert.equal(c, 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(model) {
assert.equal(model, undefined);
});
model.trigger('change');
});
QUnit.test('#3871 - falsy parse result creates empty collection', function(ass
ert) {
var collection = new (Backbone.Collection.extend({
parse: function(data, options) {}
}));
collection.set('', {parse: true});
assert.equal(collection.length, 0);
}); });
})(); })();
 End of changes. 281 change blocks. 
487 lines changed or deleted 1016 lines changed or added

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