[Pkg-javascript-commits] [backbone] 36/101: more tests for collection, 0 is a valid id.

[Jonas Smedegaard]

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js pushed a commit to tag 0.1.0
in repository backbone.

commit 6009b8d1ab3673cd25db6c988960d6bd6fc90ded
Author: Jeremy Ashkenas <jashkenas at gmail.com>
Date:   Wed Oct 6 13:18:32 2010 -0400

    more tests for collection, 0 is a valid id.
---
 backbone.js        | 22 ++++++++++------------
 test/collection.js | 41 ++++++++++++++++++++++++++++++++++-------
 2 files changed, 44 insertions(+), 19 deletions(-)

diff --git a/backbone.js b/backbone.js
index bddb41f..c0fa477 100644
--- a/backbone.js
+++ b/backbone.js
@@ -85,7 +85,7 @@
         var list = calls && calls[i ? 'all' : ev];
         if (!list) continue;
         for (var j = 0, l = list.length; j < l; j++) {
-          list[j].apply(this, arguments);
+          list[j].apply(this, _.rest(arguments));
         }
       }
       return this;
@@ -164,7 +164,7 @@
       if (!attrs) return this;
       attrs = attrs._attributes || attrs;
       var now = this._attributes;
-      if (attrs.id) {
+      if ('id' in attrs) {
         this.id = attrs.id;
         if (this.collection) this.resource = this.collection.resource + '/' + this.id;
       }
@@ -280,7 +280,7 @@
       this.comparator = options.comparator;
       delete options.comparator;
     }
-    this._boundOnModelEvent = _.bind(this._onModelEvent, this);
+    this._boundOnModelChange = _.bind(this._onModelChange, this);
     this._initialize();
     if (models) this.refresh(models,true);
   };
@@ -339,7 +339,7 @@
       model.collection = this;
       var index = this.comparator ? this.sortedIndex(model, this.comparator) : this.length;
       this.models.splice(index, 0, model);
-      model.bind('all', this._boundOnModelEvent);
+      model.bind('change', this._boundOnModelChange);
       this.length++;
       if (!silent) this.trigger('add', model);
       return model;
@@ -361,7 +361,7 @@
       delete this._byCid[model.cid];
       delete model.collection;
       this.models.splice(this.indexOf(model), 1);
-      model.unbind('all', this._boundOnModelEvent);
+      model.unbind('change', this._boundOnModelChange);
       this.length--;
       if (!silent) this.trigger('remove', model);
       return model;
@@ -418,14 +418,12 @@
 
     // Internal method called every time a model in the set fires an event.
     // Sets need to update their indexes when models change ids.
-    _onModelEvent : function(ev, model) {
-      if (ev == 'change') {
-        if (model.hasChanged('id')) {
-          delete this._byId[model.formerValue('id')];
-          this._byId[model.id] = model;
-        }
-        this.trigger('change', model);
+    _onModelChange : function(model) {
+      if (model.hasChanged('id')) {
+        delete this._byId[model.formerValue('id')];
+        this._byId[model.id] = model;
       }
+      this.trigger('change', model);
     },
 
     // Inspect.
diff --git a/test/collection.js b/test/collection.js
index ccb9159..2502b5e 100644
--- a/test/collection.js
+++ b/test/collection.js
@@ -2,18 +2,45 @@ $(document).ready(function() {
 
   module("Backbone collections");
 
-  test("collections: simple", function() {
-    a = new Backbone.Model({label: 'a'});
-    b = new Backbone.Model({label: 'b'});
-    c = new Backbone.Model({label: 'c'});
-    d = new Backbone.Model({label: 'd'});
-    col = new Backbone.Collection([a,b,c,d]);
+  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 col = new Backbone.Collection([a,b,c,d]);
+
+  test("collections: simple and sorted", 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("collections: get, getByCid", function() {
+    equals(col.get(1), d);
+    equals(col.get(3), b);
+    equals(col.getByCid(col.first().cid), col.first());
   });
 
-  test("collections: sorted", function() {
+  test("collections: getIds, getCids", function() {
+    equals(col.getIds().sort().join(' '), '1 2 3 4');
+    equals(col.getCids().sort().join(' '), 'c1 c2 c3 c4');
+  });
+
+  test("collections: at", function() {
+    equals(col.at(2), b);
+  });
 
+  test("collections: add", function() {
+    var added = null;
+    col.bind('add', function(model){ added = model.get('label'); });
+    var e = new Backbone.Model({id: 0, label : 'e'});
+    col.add(e);
+    equals(added, 'e');
+    equals(col.length, 5);
+    equals(col.first(), e);
   });
 
 });
\ No newline at end of file

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