Adding tests to pr/233

lib/jquery.raty.js

@@ -564,7 +564,7 @@
 
         if (name) {
           var icon = this.opt[name];
-          var star = this.stars[Math.ceil(score) - 1];
+          var star = this.stars[Math.max( Math.ceil(score) - 1,0)];
 
           this._setIcon(star, icon);
         } // Full down: [x.00 .. x.25]
@@ -599,7 +599,7 @@
       // TODO: model spec
       _setTitle: function(score, evt) {
         if (score) {
-          var integer = parseInt(Math.ceil(score), 10);
+          var integer = parseInt(Math.max(Math.ceil(score),0), 10);
           var star    = this.stars[integer - 1];
 
           star.title = this._getHint(score, evt);

spec/models/_roundStars.js

@@ -0,0 +1,29 @@
+describe('#_roundStars', function() {
+  beforeEach(function() {
+    this.el = Helper.create('#el');
+  });
+
+
+  context ('when event is given', function() {
+    beforeEach(function() {
+      this.evt = document.createEvent('MouseEvents');
+      spyOn($.raty.Raty.prototype , '_starName');
+    });
+
+    context('when score is positive integer', function() {
+      it ('requests calls _starName', function() {
+        // given
+        var number = 2;
+        var element  = this.el[0];
+        var options  = {};
+        var instance = new $.raty.Raty(element, options);
+
+        // when
+        instance._roundStars(number, this.evt);
+
+        // then
+        expect($.raty.Raty.prototype._starName).toHaveBeenCalledWith(this.number, this.evt);
+      });
+    });
+  });
+});