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Fixing Issue #109 -- ignore 'add' and 'remove' events that originate from models shared with other collections.

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This commit is contained in:
Jeremy Ashkenas
2010-12-02 09:31:55 -05:00
parent 3505bde58e
commit 6a0ac93086
2 changed files with 22 additions and 11 deletions
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27
test/collection.js
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@@ -8,12 +8,13 @@ $(document).ready(function() {
lastRequest = _.toArray(arguments);
};
var a = new Backbone.Model({id: 3, label: 'a'});
var b = new Backbone.Model({id: 2, label: 'b'});
var c = new Backbone.Model({id: 1, label: 'c'});
var d = new Backbone.Model({id: 0, label: 'd'});
var e = null;
var col = window.col = new Backbone.Collection([a,b,c,d]);
var a = new Backbone.Model({id: 3, label: 'a'});
var b = new Backbone.Model({id: 2, label: 'b'});
var c = new Backbone.Model({id: 1, label: 'c'});
var d = new Backbone.Model({id: 0, label: 'd'});
var e = null;
var col = new Backbone.Collection([a,b,c,d]);
var otherCol = new Backbone.Collection();
test("Collection: new and sort", function() {
equals(col.first(), a, "a should be first");
@@ -53,26 +54,34 @@ $(document).ready(function() {
});
test("Collection: add", function() {
var added = opts = null;
var added = opts = secondAdded = null;
e = new Backbone.Model({id: 10, label : 'e'});
otherCol.add(e);
otherCol.bind('add', function() {
secondAdded = true;
});
col.bind('add', function(model, collection, options){
added = model.get('label');
opts = options;
});
e = new Backbone.Model({id: 10, label : 'e'});
col.add(e, {amazing: true});
equals(added, 'e');
equals(col.length, 5);
equals(col.last(), e);
equals(otherCol.length, 1);
equals(secondAdded, null);
ok(opts.amazing);
});
test("Collection: remove", function() {
var removed = null;
var removed = otherRemoved = null;
col.bind('remove', function(model){ removed = model.get('label'); });
otherCol.bind('remove', function(){ otherRemoved = true; });
col.remove(e);
equals(removed, 'e');
equals(col.length, 4);
equals(col.first(), d);
equals(otherRemoved, null);
});
test("Collection: remove in multiple collections", function() {