/test/collection.js
JavaScript | 119 lines | 103 code | 16 blank | 0 comment | 0 complexity | 3dbc13da1455f503d35ca6d6d76c8041 MD5 | raw file
- $(document).ready(function() {
- module("Backbone.Collection");
- window.lastRequest = null;
- Backbone.sync = function() {
- lastRequest = _.toArray(arguments);
- };
- var a = new Backbone.Model({id: 4, label: 'a'});
- var b = new Backbone.Model({id: 3, label: 'b'});
- var c = new Backbone.Model({id: 2, label: 'c'});
- var d = new Backbone.Model({id: 1, label: 'd'});
- var e = null;
- var col = window.col = new Backbone.Collection([a,b,c,d]);
- test("Collection: new and sort", function() {
- equals(col.first(), a, "a should be first");
- equals(col.last(), d, "d should be last");
- col.comparator = function(model) { return model.id; };
- col.sort();
- equals(col.first(), d, "d should be first");
- equals(col.last(), a, "a should be last");
- equals(col.length, 4);
- });
- test("Collection: get, getByCid", function() {
- equals(col.get(1), d);
- equals(col.get(3), b);
- equals(col.getByCid(col.first().cid), col.first());
- });
- test("Collection: at", function() {
- equals(col.at(2), b);
- });
- test("Collection: pluck", function() {
- equals(col.pluck('label').join(' '), 'd c b a');
- });
- test("Collection: add", function() {
- var added = null;
- col.bind('add', function(model){ added = model.get('label'); });
- e = new Backbone.Model({id: 0, label : 'e'});
- col.add(e);
- equals(added, 'e');
- equals(col.length, 5);
- equals(col.first(), e);
- });
- test("Collection: remove", function() {
- var removed = null;
- col.bind('remove', function(model){ removed = model.get('label'); });
- col.remove(e);
- equals(removed, 'e');
- equals(col.length, 4);
- equals(col.first(), d);
- });
- test("Collection: fetch", function() {
- col.fetch();
- equals(lastRequest[0], 'read');
- equals(lastRequest[1], col);
- });
- test("Collection: create", function() {
- var model = col.create({label: 'f'});
- equals(lastRequest[0], 'create');
- equals(lastRequest[1], model);
- equals(model.get('label'), 'f');
- equals(model.collection, col);
- });
- test("collection: initialize", function() {
- var Collection = Backbone.Collection.extend({
- initialize: function() {
- this.one = 1;
- }
- });
- var coll = new Collection;
- equals(coll.one, 1);
- });
- test("Collection: Underscore methods", function() {
- equals(col.map(function(model){ return model.get('label'); }).join(' '), 'd c b a');
- equals(col.any(function(model){ return model.id === 100; }), false);
- equals(col.any(function(model){ return model.id === 1; }), true);
- equals(col.indexOf(b), 2);
- equals(col.size(), 4);
- equals(col.rest().length, 3);
- ok(!_.include(col.rest()), a);
- ok(!_.include(col.rest()), d);
- ok(!col.isEmpty());
- ok(!_.include(col.without(d)), d);
- equals(col.max(function(model){ return model.id; }).id, 4);
- equals(col.min(function(model){ return model.id; }).id, 1);
- });
- test("Collection: refresh", function() {
- var refreshed = 0;
- var models = col.models;
- col.bind('refresh', function() { refreshed += 1; });
- col.refresh([]);
- equals(refreshed, 1);
- equals(col.length, 0);
- equals(col.last(), null);
- col.refresh(models);
- equals(refreshed, 2);
- equals(col.length, 4);
- equals(col.last(), a);
- col.refresh(_.map(models, function(m){ return m.attributes; }));
- equals(refreshed, 3);
- equals(col.length, 4);
- ok(col.last() !== a);
- ok(_.isEqual(col.last().attributes, a.attributes));
- });
- });