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Diffstat (limited to 'ecomp-portal-FE/client/bower_components/lodash/vendor/backbone/test/collection.js')
-rw-r--r-- | ecomp-portal-FE/client/bower_components/lodash/vendor/backbone/test/collection.js | 1998 |
1 files changed, 1998 insertions, 0 deletions
diff --git a/ecomp-portal-FE/client/bower_components/lodash/vendor/backbone/test/collection.js b/ecomp-portal-FE/client/bower_components/lodash/vendor/backbone/test/collection.js new file mode 100644 index 00000000..dd98aca5 --- /dev/null +++ b/ecomp-portal-FE/client/bower_components/lodash/vendor/backbone/test/collection.js @@ -0,0 +1,1998 @@ +(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); + }); + +})(); |