ffffng/app/bower_components/lodash/vendor/backbone/test/model.js
2017-05-13 13:25:53 +02:00

1448 lines
45 KiB
JavaScript

(function(QUnit) {
var ProxyModel = Backbone.Model.extend();
var Klass = Backbone.Collection.extend({
url: function() { return '/collection'; }
});
var doc, collection;
QUnit.module('Backbone.Model', {
beforeEach: function(assert) {
doc = new ProxyModel({
id: '1-the-tempest',
title: 'The Tempest',
author: 'Bill Shakespeare',
length: 123
});
collection = new Klass();
collection.add(doc);
}
});
QUnit.test('initialize', function(assert) {
assert.expect(3);
var Model = Backbone.Model.extend({
initialize: function() {
this.one = 1;
assert.equal(this.collection, collection);
}
});
var model = new Model({}, {collection: collection});
assert.equal(model.one, 1);
assert.equal(model.collection, collection);
});
QUnit.test('Object.prototype properties are overridden by attributes', function(assert) {
assert.expect(1);
var model = new Backbone.Model({hasOwnProperty: true});
assert.equal(model.get('hasOwnProperty'), true);
});
QUnit.test('initialize with attributes and options', function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({
initialize: function(attributes, options) {
this.one = options.one;
}
});
var model = new Model({}, {one: 1});
assert.equal(model.one, 1);
});
QUnit.test('initialize with parsed attributes', function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({
parse: function(attrs) {
attrs.value += 1;
return attrs;
}
});
var model = new Model({value: 1}, {parse: true});
assert.equal(model.get('value'), 2);
});
QUnit.test('preinitialize', function(assert) {
assert.expect(2);
var Model = Backbone.Model.extend({
preinitialize: function() {
this.one = 1;
}
});
var model = new Model({}, {collection: collection});
assert.equal(model.one, 1);
assert.equal(model.collection, collection);
});
QUnit.test('preinitialize occurs before the model is set up', function(assert) {
assert.expect(6);
var Model = Backbone.Model.extend({
preinitialize: function() {
assert.equal(this.collection, undefined);
assert.equal(this.cid, undefined);
assert.equal(this.id, undefined);
}
});
var model = new Model({id: 'foo'}, {collection: collection});
assert.equal(model.collection, collection);
assert.equal(model.id, 'foo');
assert.notEqual(model.cid, undefined);
});
QUnit.test('parse can return null', function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({
parse: function(attrs) {
attrs.value += 1;
return null;
}
});
var model = new Model({value: 1}, {parse: true});
assert.equal(JSON.stringify(model.toJSON()), '{}');
});
QUnit.test('url', function(assert) {
assert.expect(3);
doc.urlRoot = null;
assert.equal(doc.url(), '/collection/1-the-tempest');
doc.collection.url = '/collection/';
assert.equal(doc.url(), '/collection/1-the-tempest');
doc.collection = null;
assert.raises(function() { doc.url(); });
doc.collection = collection;
});
QUnit.test('url when using urlRoot, and uri encoding', function(assert) {
assert.expect(2);
var Model = Backbone.Model.extend({
urlRoot: '/collection'
});
var model = new Model();
assert.equal(model.url(), '/collection');
model.set({id: '+1+'});
assert.equal(model.url(), '/collection/%2B1%2B');
});
QUnit.test('url when using urlRoot as a function to determine urlRoot at runtime', function(assert) {
assert.expect(2);
var Model = Backbone.Model.extend({
urlRoot: function() {
return '/nested/' + this.get('parentId') + '/collection';
}
});
var model = new Model({parentId: 1});
assert.equal(model.url(), '/nested/1/collection');
model.set({id: 2});
assert.equal(model.url(), '/nested/1/collection/2');
});
QUnit.test('underscore methods', function(assert) {
assert.expect(5);
var model = new Backbone.Model({foo: 'a', bar: 'b', baz: 'c'});
var model2 = model.clone();
assert.deepEqual(model.keys(), ['foo', 'bar', 'baz']);
assert.deepEqual(model.values(), ['a', 'b', 'c']);
assert.deepEqual(model.invert(), {a: 'foo', b: 'bar', c: 'baz'});
assert.deepEqual(model.pick('foo', 'baz'), {foo: 'a', baz: 'c'});
assert.deepEqual(model.omit('foo', 'bar'), {baz: 'c'});
});
QUnit.test('chain', function(assert) {
var model = new Backbone.Model({a: 0, b: 1, c: 2});
assert.deepEqual(model.chain().pick('a', 'b', 'c').values().compact().value(), [1, 2]);
});
QUnit.test('clone', function(assert) {
assert.expect(10);
var a = new Backbone.Model({foo: 1, bar: 2, baz: 3});
var b = a.clone();
assert.equal(a.get('foo'), 1);
assert.equal(a.get('bar'), 2);
assert.equal(a.get('baz'), 3);
assert.equal(b.get('foo'), a.get('foo'), 'Foo should be the same on the clone.');
assert.equal(b.get('bar'), a.get('bar'), 'Bar should be the same on the clone.');
assert.equal(b.get('baz'), a.get('baz'), 'Baz should be the same on the clone.');
a.set({foo: 100});
assert.equal(a.get('foo'), 100);
assert.equal(b.get('foo'), 1, 'Changing a parent attribute does not change the clone.');
var foo = new Backbone.Model({p: 1});
var bar = new Backbone.Model({p: 2});
bar.set(foo.clone().attributes, {unset: true});
assert.equal(foo.get('p'), 1);
assert.equal(bar.get('p'), undefined);
});
QUnit.test('isNew', function(assert) {
assert.expect(6);
var a = new Backbone.Model({foo: 1, bar: 2, baz: 3});
assert.ok(a.isNew(), 'it should be new');
a = new Backbone.Model({foo: 1, bar: 2, baz: 3, id: -5});
assert.ok(!a.isNew(), 'any defined ID is legal, negative or positive');
a = new Backbone.Model({foo: 1, bar: 2, baz: 3, id: 0});
assert.ok(!a.isNew(), 'any defined ID is legal, including zero');
assert.ok(new Backbone.Model().isNew(), 'is true when there is no id');
assert.ok(!new Backbone.Model({id: 2}).isNew(), 'is false for a positive integer');
assert.ok(!new Backbone.Model({id: -5}).isNew(), 'is false for a negative integer');
});
QUnit.test('get', function(assert) {
assert.expect(2);
assert.equal(doc.get('title'), 'The Tempest');
assert.equal(doc.get('author'), 'Bill Shakespeare');
});
QUnit.test('escape', function(assert) {
assert.expect(5);
assert.equal(doc.escape('title'), 'The Tempest');
doc.set({audience: 'Bill & Bob'});
assert.equal(doc.escape('audience'), 'Bill & Bob');
doc.set({audience: 'Tim > Joan'});
assert.equal(doc.escape('audience'), 'Tim > Joan');
doc.set({audience: 10101});
assert.equal(doc.escape('audience'), '10101');
doc.unset('audience');
assert.equal(doc.escape('audience'), '');
});
QUnit.test('has', function(assert) {
assert.expect(10);
var model = new Backbone.Model();
assert.strictEqual(model.has('name'), false);
model.set({
'0': 0,
'1': 1,
'true': true,
'false': false,
'empty': '',
'name': 'name',
'null': null,
'undefined': undefined
});
assert.strictEqual(model.has('0'), true);
assert.strictEqual(model.has('1'), true);
assert.strictEqual(model.has('true'), true);
assert.strictEqual(model.has('false'), true);
assert.strictEqual(model.has('empty'), true);
assert.strictEqual(model.has('name'), true);
model.unset('name');
assert.strictEqual(model.has('name'), false);
assert.strictEqual(model.has('null'), false);
assert.strictEqual(model.has('undefined'), false);
});
QUnit.test('matches', function(assert) {
assert.expect(4);
var model = new Backbone.Model();
assert.strictEqual(model.matches({name: 'Jonas', cool: true}), false);
model.set({name: 'Jonas', cool: true});
assert.strictEqual(model.matches({name: 'Jonas'}), true);
assert.strictEqual(model.matches({name: 'Jonas', cool: true}), true);
assert.strictEqual(model.matches({name: 'Jonas', cool: false}), false);
});
QUnit.test('matches with predicate', function(assert) {
var model = new Backbone.Model({a: 0});
assert.strictEqual(model.matches(function(attr) {
return attr.a > 1 && attr.b != null;
}), false);
model.set({a: 3, b: true});
assert.strictEqual(model.matches(function(attr) {
return attr.a > 1 && attr.b != null;
}), true);
});
QUnit.test('set and unset', function(assert) {
assert.expect(8);
var a = new Backbone.Model({id: 'id', foo: 1, bar: 2, baz: 3});
var changeCount = 0;
a.on('change:foo', function() { changeCount += 1; });
a.set({foo: 2});
assert.equal(a.get('foo'), 2, 'Foo should have changed.');
assert.equal(changeCount, 1, 'Change count should have incremented.');
// set with value that is not new shouldn't fire change event
a.set({foo: 2});
assert.equal(a.get('foo'), 2, 'Foo should NOT have changed, still 2');
assert.equal(changeCount, 1, 'Change count should NOT have incremented.');
a.validate = function(attrs) {
assert.equal(attrs.foo, void 0, 'validate:true passed while unsetting');
};
a.unset('foo', {validate: true});
assert.equal(a.get('foo'), void 0, 'Foo should have changed');
delete a.validate;
assert.equal(changeCount, 2, 'Change count should have incremented for unset.');
a.unset('id');
assert.equal(a.id, undefined, 'Unsetting the id should remove the id property.');
});
QUnit.test('#2030 - set with failed validate, followed by another set triggers change', function(assert) {
var attr = 0, main = 0, error = 0;
var Model = Backbone.Model.extend({
validate: function(attrs) {
if (attrs.x > 1) {
error++;
return 'this is an error';
}
}
});
var model = new Model({x: 0});
model.on('change:x', function() { attr++; });
model.on('change', function() { main++; });
model.set({x: 2}, {validate: true});
model.set({x: 1}, {validate: true});
assert.deepEqual([attr, main, error], [1, 1, 1]);
});
QUnit.test('set triggers changes in the correct order', function(assert) {
var value = null;
var model = new Backbone.Model;
model.on('last', function(){ value = 'last'; });
model.on('first', function(){ value = 'first'; });
model.trigger('first');
model.trigger('last');
assert.equal(value, 'last');
});
QUnit.test('set falsy values in the correct order', function(assert) {
assert.expect(2);
var model = new Backbone.Model({result: 'result'});
model.on('change', function() {
assert.equal(model.changed.result, void 0);
assert.equal(model.previous('result'), false);
});
model.set({result: void 0}, {silent: true});
model.set({result: null}, {silent: true});
model.set({result: false}, {silent: true});
model.set({result: void 0});
});
QUnit.test('nested set triggers with the correct options', function(assert) {
var model = new Backbone.Model();
var o1 = {};
var o2 = {};
var o3 = {};
model.on('change', function(__, options) {
switch (model.get('a')) {
case 1:
assert.equal(options, o1);
return model.set('a', 2, o2);
case 2:
assert.equal(options, o2);
return model.set('a', 3, o3);
case 3:
assert.equal(options, o3);
}
});
model.set('a', 1, o1);
});
QUnit.test('multiple unsets', function(assert) {
assert.expect(1);
var i = 0;
var counter = function(){ i++; };
var model = new Backbone.Model({a: 1});
model.on('change:a', counter);
model.set({a: 2});
model.unset('a');
model.unset('a');
assert.equal(i, 2, 'Unset does not fire an event for missing attributes.');
});
QUnit.test('unset and changedAttributes', function(assert) {
assert.expect(1);
var model = new Backbone.Model({a: 1});
model.on('change', function() {
assert.ok('a' in model.changedAttributes(), 'changedAttributes should contain unset properties');
});
model.unset('a');
});
QUnit.test('using a non-default id attribute.', function(assert) {
assert.expect(5);
var MongoModel = Backbone.Model.extend({idAttribute: '_id'});
var model = new MongoModel({id: 'eye-dee', _id: 25, title: 'Model'});
assert.equal(model.get('id'), 'eye-dee');
assert.equal(model.id, 25);
assert.equal(model.isNew(), false);
model.unset('_id');
assert.equal(model.id, undefined);
assert.equal(model.isNew(), true);
});
QUnit.test('setting an alternative cid prefix', function(assert) {
assert.expect(4);
var Model = Backbone.Model.extend({
cidPrefix: 'm'
});
var model = new Model();
assert.equal(model.cid.charAt(0), 'm');
model = new Backbone.Model();
assert.equal(model.cid.charAt(0), 'c');
var Collection = Backbone.Collection.extend({
model: Model
});
var col = new Collection([{id: 'c5'}, {id: 'c6'}, {id: 'c7'}]);
assert.equal(col.get('c6').cid.charAt(0), 'm');
col.set([{id: 'c6', value: 'test'}], {
merge: true,
add: true,
remove: false
});
assert.ok(col.get('c6').has('value'));
});
QUnit.test('set an empty string', function(assert) {
assert.expect(1);
var model = new Backbone.Model({name: 'Model'});
model.set({name: ''});
assert.equal(model.get('name'), '');
});
QUnit.test('setting an object', function(assert) {
assert.expect(1);
var model = new Backbone.Model({
custom: {foo: 1}
});
model.on('change', function() {
assert.ok(1);
});
model.set({
custom: {foo: 1} // no change should be fired
});
model.set({
custom: {foo: 2} // change event should be fired
});
});
QUnit.test('clear', function(assert) {
assert.expect(3);
var changed;
var model = new Backbone.Model({id: 1, name: 'Model'});
model.on('change:name', function(){ changed = true; });
model.on('change', function() {
var changedAttrs = model.changedAttributes();
assert.ok('name' in changedAttrs);
});
model.clear();
assert.equal(changed, true);
assert.equal(model.get('name'), undefined);
});
QUnit.test('defaults', function(assert) {
assert.expect(9);
var Defaulted = Backbone.Model.extend({
defaults: {
one: 1,
two: 2
}
});
var model = new Defaulted({two: undefined});
assert.equal(model.get('one'), 1);
assert.equal(model.get('two'), 2);
model = new Defaulted({two: 3});
assert.equal(model.get('one'), 1);
assert.equal(model.get('two'), 3);
Defaulted = Backbone.Model.extend({
defaults: function() {
return {
one: 3,
two: 4
};
}
});
model = new Defaulted({two: undefined});
assert.equal(model.get('one'), 3);
assert.equal(model.get('two'), 4);
Defaulted = Backbone.Model.extend({
defaults: {hasOwnProperty: true}
});
model = new Defaulted();
assert.equal(model.get('hasOwnProperty'), true);
model = new Defaulted({hasOwnProperty: undefined});
assert.equal(model.get('hasOwnProperty'), true);
model = new Defaulted({hasOwnProperty: false});
assert.equal(model.get('hasOwnProperty'), false);
});
QUnit.test('change, hasChanged, changedAttributes, previous, previousAttributes', function(assert) {
assert.expect(9);
var model = new Backbone.Model({name: 'Tim', age: 10});
assert.deepEqual(model.changedAttributes(), false);
model.on('change', function() {
assert.ok(model.hasChanged('name'), 'name changed');
assert.ok(!model.hasChanged('age'), 'age did not');
assert.ok(_.isEqual(model.changedAttributes(), {name: 'Rob'}), 'changedAttributes returns the changed attrs');
assert.equal(model.previous('name'), 'Tim');
assert.ok(_.isEqual(model.previousAttributes(), {name: 'Tim', age: 10}), 'previousAttributes is correct');
});
assert.equal(model.hasChanged(), false);
assert.equal(model.hasChanged(undefined), false);
model.set({name: 'Rob'});
assert.equal(model.get('name'), 'Rob');
});
QUnit.test('changedAttributes', function(assert) {
assert.expect(3);
var model = new Backbone.Model({a: 'a', b: 'b'});
assert.deepEqual(model.changedAttributes(), false);
assert.equal(model.changedAttributes({a: 'a'}), false);
assert.equal(model.changedAttributes({a: 'b'}).a, 'b');
});
QUnit.test('change with options', function(assert) {
assert.expect(2);
var value;
var model = new Backbone.Model({name: 'Rob'});
model.on('change', function(m, options) {
value = options.prefix + m.get('name');
});
model.set({name: 'Bob'}, {prefix: 'Mr. '});
assert.equal(value, 'Mr. Bob');
model.set({name: 'Sue'}, {prefix: 'Ms. '});
assert.equal(value, 'Ms. Sue');
});
QUnit.test('change after initialize', function(assert) {
assert.expect(1);
var changed = 0;
var attrs = {id: 1, label: 'c'};
var obj = new Backbone.Model(attrs);
obj.on('change', function() { changed += 1; });
obj.set(attrs);
assert.equal(changed, 0);
});
QUnit.test('save within change event', function(assert) {
assert.expect(1);
var env = this;
var model = new Backbone.Model({firstName: 'Taylor', lastName: 'Swift'});
model.url = '/test';
model.on('change', function() {
model.save();
assert.ok(_.isEqual(env.syncArgs.model, model));
});
model.set({lastName: 'Hicks'});
});
QUnit.test('validate after save', function(assert) {
assert.expect(2);
var lastError, model = new Backbone.Model();
model.validate = function(attrs) {
if (attrs.admin) return "Can't change admin status.";
};
model.sync = function(method, m, options) {
options.success.call(this, {admin: true});
};
model.on('invalid', function(m, error) {
lastError = error;
});
model.save(null);
assert.equal(lastError, "Can't change admin status.");
assert.equal(model.validationError, "Can't change admin status.");
});
QUnit.test('save', function(assert) {
assert.expect(2);
doc.save({title: 'Henry V'});
assert.equal(this.syncArgs.method, 'update');
assert.ok(_.isEqual(this.syncArgs.model, doc));
});
QUnit.test('save, fetch, destroy triggers error event when an error occurs', function(assert) {
assert.expect(3);
var model = new Backbone.Model();
model.on('error', function() {
assert.ok(true);
});
model.sync = function(method, m, options) {
options.error();
};
model.save({data: 2, id: 1});
model.fetch();
model.destroy();
});
QUnit.test('#3283 - save, fetch, destroy calls success with context', function(assert) {
assert.expect(3);
var model = new Backbone.Model();
var obj = {};
var options = {
context: obj,
success: function() {
assert.equal(this, obj);
}
};
model.sync = function(method, m, opts) {
opts.success.call(opts.context);
};
model.save({data: 2, id: 1}, options);
model.fetch(options);
model.destroy(options);
});
QUnit.test('#3283 - save, fetch, destroy calls error with context', function(assert) {
assert.expect(3);
var model = new Backbone.Model();
var obj = {};
var options = {
context: obj,
error: function() {
assert.equal(this, obj);
}
};
model.sync = function(method, m, opts) {
opts.error.call(opts.context);
};
model.save({data: 2, id: 1}, options);
model.fetch(options);
model.destroy(options);
});
QUnit.test('#3470 - save and fetch with parse false', function(assert) {
assert.expect(2);
var i = 0;
var model = new Backbone.Model();
model.parse = function() {
assert.ok(false);
};
model.sync = function(method, m, options) {
options.success({i: ++i});
};
model.fetch({parse: false});
assert.equal(model.get('i'), i);
model.save(null, {parse: false});
assert.equal(model.get('i'), i);
});
QUnit.test('save with PATCH', function(assert) {
doc.clear().set({id: 1, a: 1, b: 2, c: 3, d: 4});
doc.save();
assert.equal(this.syncArgs.method, 'update');
assert.equal(this.syncArgs.options.attrs, undefined);
doc.save({b: 2, d: 4}, {patch: true});
assert.equal(this.syncArgs.method, 'patch');
assert.equal(_.size(this.syncArgs.options.attrs), 2);
assert.equal(this.syncArgs.options.attrs.d, 4);
assert.equal(this.syncArgs.options.attrs.a, undefined);
assert.equal(this.ajaxSettings.data, '{"b":2,"d":4}');
});
QUnit.test('save with PATCH and different attrs', function(assert) {
doc.clear().save({b: 2, d: 4}, {patch: true, attrs: {B: 1, D: 3}});
assert.equal(this.syncArgs.options.attrs.D, 3);
assert.equal(this.syncArgs.options.attrs.d, undefined);
assert.equal(this.ajaxSettings.data, '{"B":1,"D":3}');
assert.deepEqual(doc.attributes, {b: 2, d: 4});
});
QUnit.test('save in positional style', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.sync = function(method, m, options) {
options.success();
};
model.save('title', 'Twelfth Night');
assert.equal(model.get('title'), 'Twelfth Night');
});
QUnit.test('save with non-object success response', function(assert) {
assert.expect(2);
var model = new Backbone.Model();
model.sync = function(method, m, options) {
options.success('', options);
options.success(null, options);
};
model.save({testing: 'empty'}, {
success: function(m) {
assert.deepEqual(m.attributes, {testing: 'empty'});
}
});
});
QUnit.test('save with wait and supplied id', function(assert) {
var Model = Backbone.Model.extend({
urlRoot: '/collection'
});
var model = new Model();
model.save({id: 42}, {wait: true});
assert.equal(this.ajaxSettings.url, '/collection/42');
});
QUnit.test('save will pass extra options to success callback', function(assert) {
assert.expect(1);
var SpecialSyncModel = Backbone.Model.extend({
sync: function(method, m, options) {
_.extend(options, {specialSync: true});
return Backbone.Model.prototype.sync.call(this, method, m, options);
},
urlRoot: '/test'
});
var model = new SpecialSyncModel();
var onSuccess = function(m, response, options) {
assert.ok(options.specialSync, 'Options were passed correctly to callback');
};
model.save(null, {success: onSuccess});
this.ajaxSettings.success();
});
QUnit.test('fetch', function(assert) {
assert.expect(2);
doc.fetch();
assert.equal(this.syncArgs.method, 'read');
assert.ok(_.isEqual(this.syncArgs.model, doc));
});
QUnit.test('fetch will pass extra options to success callback', function(assert) {
assert.expect(1);
var SpecialSyncModel = Backbone.Model.extend({
sync: function(method, m, options) {
_.extend(options, {specialSync: true});
return Backbone.Model.prototype.sync.call(this, method, m, options);
},
urlRoot: '/test'
});
var model = new SpecialSyncModel();
var onSuccess = function(m, response, options) {
assert.ok(options.specialSync, 'Options were passed correctly to callback');
};
model.fetch({success: onSuccess});
this.ajaxSettings.success();
});
QUnit.test('destroy', function(assert) {
assert.expect(3);
doc.destroy();
assert.equal(this.syncArgs.method, 'delete');
assert.ok(_.isEqual(this.syncArgs.model, doc));
var newModel = new Backbone.Model;
assert.equal(newModel.destroy(), false);
});
QUnit.test('destroy will pass extra options to success callback', function(assert) {
assert.expect(1);
var SpecialSyncModel = Backbone.Model.extend({
sync: function(method, m, options) {
_.extend(options, {specialSync: true});
return Backbone.Model.prototype.sync.call(this, method, m, options);
},
urlRoot: '/test'
});
var model = new SpecialSyncModel({id: 'id'});
var onSuccess = function(m, response, options) {
assert.ok(options.specialSync, 'Options were passed correctly to callback');
};
model.destroy({success: onSuccess});
this.ajaxSettings.success();
});
QUnit.test('non-persisted destroy', function(assert) {
assert.expect(1);
var a = new Backbone.Model({foo: 1, bar: 2, baz: 3});
a.sync = function() { throw 'should not be called'; };
a.destroy();
assert.ok(true, 'non-persisted model should not call sync');
});
QUnit.test('validate', function(assert) {
var lastError;
var model = new Backbone.Model();
model.validate = function(attrs) {
if (attrs.admin !== this.get('admin')) return "Can't change admin status.";
};
model.on('invalid', function(m, error) {
lastError = error;
});
var result = model.set({a: 100});
assert.equal(result, model);
assert.equal(model.get('a'), 100);
assert.equal(lastError, undefined);
result = model.set({admin: true});
assert.equal(model.get('admin'), true);
result = model.set({a: 200, admin: false}, {validate: true});
assert.equal(lastError, "Can't change admin status.");
assert.equal(result, false);
assert.equal(model.get('a'), 100);
});
QUnit.test('validate on unset and clear', function(assert) {
assert.expect(6);
var error;
var model = new Backbone.Model({name: 'One'});
model.validate = function(attrs) {
if (!attrs.name) {
error = true;
return 'No thanks.';
}
};
model.set({name: 'Two'});
assert.equal(model.get('name'), 'Two');
assert.equal(error, undefined);
model.unset('name', {validate: true});
assert.equal(error, true);
assert.equal(model.get('name'), 'Two');
model.clear({validate: true});
assert.equal(model.get('name'), 'Two');
delete model.validate;
model.clear();
assert.equal(model.get('name'), undefined);
});
QUnit.test('validate with error callback', function(assert) {
assert.expect(8);
var lastError, boundError;
var model = new Backbone.Model();
model.validate = function(attrs) {
if (attrs.admin) return "Can't change admin status.";
};
model.on('invalid', function(m, error) {
boundError = true;
});
var result = model.set({a: 100}, {validate: true});
assert.equal(result, model);
assert.equal(model.get('a'), 100);
assert.equal(model.validationError, null);
assert.equal(boundError, undefined);
result = model.set({a: 200, admin: true}, {validate: true});
assert.equal(result, false);
assert.equal(model.get('a'), 100);
assert.equal(model.validationError, "Can't change admin status.");
assert.equal(boundError, true);
});
QUnit.test('defaults always extend attrs (#459)', function(assert) {
assert.expect(2);
var Defaulted = Backbone.Model.extend({
defaults: {one: 1},
initialize: function(attrs, opts) {
assert.equal(this.attributes.one, 1);
}
});
var providedattrs = new Defaulted({});
var emptyattrs = new Defaulted();
});
QUnit.test('Inherit class properties', function(assert) {
assert.expect(6);
var Parent = Backbone.Model.extend({
instancePropSame: function() {},
instancePropDiff: function() {}
}, {
classProp: function() {}
});
var Child = Parent.extend({
instancePropDiff: function() {}
});
var adult = new Parent;
var kid = new Child;
assert.equal(Child.classProp, Parent.classProp);
assert.notEqual(Child.classProp, undefined);
assert.equal(kid.instancePropSame, adult.instancePropSame);
assert.notEqual(kid.instancePropSame, undefined);
assert.notEqual(Child.prototype.instancePropDiff, Parent.prototype.instancePropDiff);
assert.notEqual(Child.prototype.instancePropDiff, undefined);
});
QUnit.test("Nested change events don't clobber previous attributes", function(assert) {
assert.expect(4);
new Backbone.Model()
.on('change:state', function(m, newState) {
assert.equal(m.previous('state'), undefined);
assert.equal(newState, 'hello');
// Fire a nested change event.
m.set({other: 'whatever'});
})
.on('change:state', function(m, newState) {
assert.equal(m.previous('state'), undefined);
assert.equal(newState, 'hello');
})
.set({state: 'hello'});
});
QUnit.test('hasChanged/set should use same comparison', function(assert) {
assert.expect(2);
var changed = 0, model = new Backbone.Model({a: null});
model.on('change', function() {
assert.ok(this.hasChanged('a'));
})
.on('change:a', function() {
changed++;
})
.set({a: undefined});
assert.equal(changed, 1);
});
QUnit.test('#582, #425, change:attribute callbacks should fire after all changes have occurred', function(assert) {
assert.expect(9);
var model = new Backbone.Model;
var assertion = function() {
assert.equal(model.get('a'), 'a');
assert.equal(model.get('b'), 'b');
assert.equal(model.get('c'), 'c');
};
model.on('change:a', assertion);
model.on('change:b', assertion);
model.on('change:c', assertion);
model.set({a: 'a', b: 'b', c: 'c'});
});
QUnit.test('#871, set with attributes property', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.set({attributes: true});
assert.ok(model.has('attributes'));
});
QUnit.test('set value regardless of equality/change', function(assert) {
assert.expect(1);
var model = new Backbone.Model({x: []});
var a = [];
model.set({x: a});
assert.ok(model.get('x') === a);
});
QUnit.test('set same value does not trigger change', function(assert) {
assert.expect(0);
var model = new Backbone.Model({x: 1});
model.on('change change:x', function() { assert.ok(false); });
model.set({x: 1});
model.set({x: 1});
});
QUnit.test('unset does not fire a change for undefined attributes', function(assert) {
assert.expect(0);
var model = new Backbone.Model({x: undefined});
model.on('change:x', function(){ assert.ok(false); });
model.unset('x');
});
QUnit.test('set: undefined values', function(assert) {
assert.expect(1);
var model = new Backbone.Model({x: undefined});
assert.ok('x' in model.attributes);
});
QUnit.test('hasChanged works outside of change events, and true within', function(assert) {
assert.expect(6);
var model = new Backbone.Model({x: 1});
model.on('change:x', function() {
assert.ok(model.hasChanged('x'));
assert.equal(model.get('x'), 1);
});
model.set({x: 2}, {silent: true});
assert.ok(model.hasChanged());
assert.equal(model.hasChanged('x'), true);
model.set({x: 1});
assert.ok(model.hasChanged());
assert.equal(model.hasChanged('x'), true);
});
QUnit.test('hasChanged gets cleared on the following set', function(assert) {
assert.expect(4);
var model = new Backbone.Model;
model.set({x: 1});
assert.ok(model.hasChanged());
model.set({x: 1});
assert.ok(!model.hasChanged());
model.set({x: 2});
assert.ok(model.hasChanged());
model.set({});
assert.ok(!model.hasChanged());
});
QUnit.test('save with `wait` succeeds without `validate`', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.url = '/test';
model.save({x: 1}, {wait: true});
assert.ok(this.syncArgs.model === model);
});
QUnit.test("save without `wait` doesn't set invalid attributes", function(assert) {
var model = new Backbone.Model();
model.validate = function() { return 1; };
model.save({a: 1});
assert.equal(model.get('a'), void 0);
});
QUnit.test("save doesn't validate twice", function(assert) {
var model = new Backbone.Model();
var times = 0;
model.sync = function() {};
model.validate = function() { ++times; };
model.save({});
assert.equal(times, 1);
});
QUnit.test('`hasChanged` for falsey keys', function(assert) {
assert.expect(2);
var model = new Backbone.Model();
model.set({x: true}, {silent: true});
assert.ok(!model.hasChanged(0));
assert.ok(!model.hasChanged(''));
});
QUnit.test('`previous` for falsey keys', function(assert) {
assert.expect(2);
var model = new Backbone.Model({'0': true, '': true});
model.set({'0': false, '': false}, {silent: true});
assert.equal(model.previous(0), true);
assert.equal(model.previous(''), true);
});
QUnit.test('`save` with `wait` sends correct attributes', function(assert) {
assert.expect(5);
var changed = 0;
var model = new Backbone.Model({x: 1, y: 2});
model.url = '/test';
model.on('change:x', function() { changed++; });
model.save({x: 3}, {wait: true});
assert.deepEqual(JSON.parse(this.ajaxSettings.data), {x: 3, y: 2});
assert.equal(model.get('x'), 1);
assert.equal(changed, 0);
this.syncArgs.options.success({});
assert.equal(model.get('x'), 3);
assert.equal(changed, 1);
});
QUnit.test("a failed `save` with `wait` doesn't leave attributes behind", function(assert) {
assert.expect(1);
var model = new Backbone.Model;
model.url = '/test';
model.save({x: 1}, {wait: true});
assert.equal(model.get('x'), void 0);
});
QUnit.test('#1030 - `save` with `wait` results in correct attributes if success is called during sync', function(assert) {
assert.expect(2);
var model = new Backbone.Model({x: 1, y: 2});
model.sync = function(method, m, options) {
options.success();
};
model.on('change:x', function() { assert.ok(true); });
model.save({x: 3}, {wait: true});
assert.equal(model.get('x'), 3);
});
QUnit.test('save with wait validates attributes', function(assert) {
var model = new Backbone.Model();
model.url = '/test';
model.validate = function() { assert.ok(true); };
model.save({x: 1}, {wait: true});
});
QUnit.test('save turns on parse flag', function(assert) {
var Model = Backbone.Model.extend({
sync: function(method, m, options) { assert.ok(options.parse); }
});
new Model().save();
});
QUnit.test("nested `set` during `'change:attr'`", function(assert) {
assert.expect(2);
var events = [];
var model = new Backbone.Model();
model.on('all', function(event) { events.push(event); });
model.on('change', function() {
model.set({z: true}, {silent: true});
});
model.on('change:x', function() {
model.set({y: true});
});
model.set({x: true});
assert.deepEqual(events, ['change:y', 'change:x', 'change']);
events = [];
model.set({z: true});
assert.deepEqual(events, []);
});
QUnit.test('nested `change` only fires once', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.on('change', function() {
assert.ok(true);
model.set({x: true});
});
model.set({x: true});
});
QUnit.test("nested `set` during `'change'`", function(assert) {
assert.expect(6);
var count = 0;
var model = new Backbone.Model();
model.on('change', function() {
switch (count++) {
case 0:
assert.deepEqual(this.changedAttributes(), {x: true});
assert.equal(model.previous('x'), undefined);
model.set({y: true});
break;
case 1:
assert.deepEqual(this.changedAttributes(), {x: true, y: true});
assert.equal(model.previous('x'), undefined);
model.set({z: true});
break;
case 2:
assert.deepEqual(this.changedAttributes(), {x: true, y: true, z: true});
assert.equal(model.previous('y'), undefined);
break;
default:
assert.ok(false);
}
});
model.set({x: true});
});
QUnit.test('nested `change` with silent', function(assert) {
assert.expect(3);
var count = 0;
var model = new Backbone.Model();
model.on('change:y', function() { assert.ok(false); });
model.on('change', function() {
switch (count++) {
case 0:
assert.deepEqual(this.changedAttributes(), {x: true});
model.set({y: true}, {silent: true});
model.set({z: true});
break;
case 1:
assert.deepEqual(this.changedAttributes(), {x: true, y: true, z: true});
break;
case 2:
assert.deepEqual(this.changedAttributes(), {z: false});
break;
default:
assert.ok(false);
}
});
model.set({x: true});
model.set({z: false});
});
QUnit.test('nested `change:attr` with silent', function(assert) {
assert.expect(0);
var model = new Backbone.Model();
model.on('change:y', function(){ assert.ok(false); });
model.on('change', function() {
model.set({y: true}, {silent: true});
model.set({z: true});
});
model.set({x: true});
});
QUnit.test('multiple nested changes with silent', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.on('change:x', function() {
model.set({y: 1}, {silent: true});
model.set({y: 2});
});
model.on('change:y', function(m, val) {
assert.equal(val, 2);
});
model.set({x: true});
});
QUnit.test('multiple nested changes with silent', function(assert) {
assert.expect(1);
var changes = [];
var model = new Backbone.Model();
model.on('change:b', function(m, val) { changes.push(val); });
model.on('change', function() {
model.set({b: 1});
});
model.set({b: 0});
assert.deepEqual(changes, [0, 1]);
});
QUnit.test('basic silent change semantics', function(assert) {
assert.expect(1);
var model = new Backbone.Model;
model.set({x: 1});
model.on('change', function(){ assert.ok(true); });
model.set({x: 2}, {silent: true});
model.set({x: 1});
});
QUnit.test('nested set multiple times', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.on('change:b', function() {
assert.ok(true);
});
model.on('change:a', function() {
model.set({b: true});
model.set({b: true});
});
model.set({a: true});
});
QUnit.test('#1122 - clear does not alter options.', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
var options = {};
model.clear(options);
assert.ok(!options.unset);
});
QUnit.test('#1122 - unset does not alter options.', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
var options = {};
model.unset('x', options);
assert.ok(!options.unset);
});
QUnit.test('#1355 - `options` is passed to success callbacks', function(assert) {
assert.expect(3);
var model = new Backbone.Model();
var opts = {
success: function( m, resp, options ) {
assert.ok(options);
}
};
model.sync = function(method, m, options) {
options.success();
};
model.save({id: 1}, opts);
model.fetch(opts);
model.destroy(opts);
});
QUnit.test("#1412 - Trigger 'sync' event.", function(assert) {
assert.expect(3);
var model = new Backbone.Model({id: 1});
model.sync = function(method, m, options) { options.success(); };
model.on('sync', function(){ assert.ok(true); });
model.fetch();
model.save();
model.destroy();
});
QUnit.test('#1365 - Destroy: New models execute success callback.', function(assert) {
var done = assert.async();
assert.expect(2);
new Backbone.Model()
.on('sync', function() { assert.ok(false); })
.on('destroy', function(){ assert.ok(true); })
.destroy({success: function(){
assert.ok(true);
done();
}});
});
QUnit.test('#1433 - Save: An invalid model cannot be persisted.', function(assert) {
assert.expect(1);
var model = new Backbone.Model;
model.validate = function(){ return 'invalid'; };
model.sync = function(){ assert.ok(false); };
assert.strictEqual(model.save(), false);
});
QUnit.test("#1377 - Save without attrs triggers 'error'.", function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({
url: '/test/',
sync: function(method, m, options){ options.success(); },
validate: function(){ return 'invalid'; }
});
var model = new Model({id: 1});
model.on('invalid', function(){ assert.ok(true); });
model.save();
});
QUnit.test('#1545 - `undefined` can be passed to a model constructor without coersion', function(assert) {
var Model = Backbone.Model.extend({
defaults: {one: 1},
initialize: function(attrs, opts) {
assert.equal(attrs, undefined);
}
});
var emptyattrs = new Model();
var undefinedattrs = new Model(undefined);
});
QUnit.test('#1478 - Model `save` does not trigger change on unchanged attributes', function(assert) {
var done = assert.async();
assert.expect(0);
var Model = Backbone.Model.extend({
sync: function(method, m, options) {
setTimeout(function(){
options.success();
done();
}, 0);
}
});
new Model({x: true})
.on('change:x', function(){ assert.ok(false); })
.save(null, {wait: true});
});
QUnit.test('#1664 - Changing from one value, silently to another, back to original triggers a change.', function(assert) {
assert.expect(1);
var model = new Backbone.Model({x: 1});
model.on('change:x', function() { assert.ok(true); });
model.set({x: 2}, {silent: true});
model.set({x: 3}, {silent: true});
model.set({x: 1});
});
QUnit.test('#1664 - multiple silent changes nested inside a change event', function(assert) {
assert.expect(2);
var changes = [];
var model = new Backbone.Model();
model.on('change', function() {
model.set({a: 'c'}, {silent: true});
model.set({b: 2}, {silent: true});
model.unset('c', {silent: true});
});
model.on('change:a change:b change:c', function(m, val) { changes.push(val); });
model.set({a: 'a', b: 1, c: 'item'});
assert.deepEqual(changes, ['a', 1, 'item']);
assert.deepEqual(model.attributes, {a: 'c', b: 2});
});
QUnit.test('#1791 - `attributes` is available for `parse`', function(assert) {
var Model = Backbone.Model.extend({
parse: function() { this.has('a'); } // shouldn't throw an error
});
var model = new Model(null, {parse: true});
assert.expect(0);
});
QUnit.test('silent changes in last `change` event back to original triggers change', function(assert) {
assert.expect(2);
var changes = [];
var model = new Backbone.Model();
model.on('change:a change:b change:c', function(m, val) { changes.push(val); });
model.on('change', function() {
model.set({a: 'c'}, {silent: true});
});
model.set({a: 'a'});
assert.deepEqual(changes, ['a']);
model.set({a: 'a'});
assert.deepEqual(changes, ['a', 'a']);
});
QUnit.test('#1943 change calculations should use _.isEqual', function(assert) {
var model = new Backbone.Model({a: {key: 'value'}});
model.set('a', {key: 'value'}, {silent: true});
assert.equal(model.changedAttributes(), false);
});
QUnit.test('#1964 - final `change` event is always fired, regardless of interim changes', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.on('change:property', function() {
model.set('property', 'bar');
});
model.on('change', function() {
assert.ok(true);
});
model.set('property', 'foo');
});
QUnit.test('isValid', function(assert) {
var model = new Backbone.Model({valid: true});
model.validate = function(attrs) {
if (!attrs.valid) return 'invalid';
};
assert.equal(model.isValid(), true);
assert.equal(model.set({valid: false}, {validate: true}), false);
assert.equal(model.isValid(), true);
model.set({valid: false});
assert.equal(model.isValid(), false);
assert.ok(!model.set('valid', false, {validate: true}));
});
QUnit.test('#1179 - isValid returns true in the absence of validate.', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.validate = null;
assert.ok(model.isValid());
});
QUnit.test('#1961 - Creating a model with {validate:true} will call validate and use the error callback', function(assert) {
var Model = Backbone.Model.extend({
validate: function(attrs) {
if (attrs.id === 1) return "This shouldn't happen";
}
});
var model = new Model({id: 1}, {validate: true});
assert.equal(model.validationError, "This shouldn't happen");
});
QUnit.test('toJSON receives attrs during save(..., {wait: true})', function(assert) {
assert.expect(1);
var Model = Backbone.Model.extend({
url: '/test',
toJSON: function() {
assert.strictEqual(this.attributes.x, 1);
return _.clone(this.attributes);
}
});
var model = new Model;
model.save({x: 1}, {wait: true});
});
QUnit.test('#2034 - nested set with silent only triggers one change', function(assert) {
assert.expect(1);
var model = new Backbone.Model();
model.on('change', function() {
model.set({b: true}, {silent: true});
assert.ok(true);
});
model.set({a: true});
});
QUnit.test('#3778 - id will only be updated if it is set', function(assert) {
assert.expect(2);
var model = new Backbone.Model({id: 1});
model.id = 2;
model.set({foo: 'bar'});
assert.equal(model.id, 2);
model.set({id: 3});
assert.equal(model.id, 3);
});
})(QUnit);