added jasmine test for poll view

app/assets/javascripts/app/views/poll_view.js

@@ -76,7 +76,7 @@ app.views.Poll = app.views.Base.extend({
     var parent = this;
     pollParticipation.save({
       "poll_answer_id" : result,
-      "poll_id" : this.poll.poll_id,
+      "poll_id" : this.poll.poll_id
     },{
       url : "/posts/"+this.poll.post_id+"/poll_participations",
       success : function(model, response) {

spec/javascripts/app/views/poll_view_spec.js

@@ -1,3 +1,45 @@
 describe("app.views.Poll", function(){
-
+  beforeEach(function() {
+    loginAs({name: "alice", avatar : {small : "http://avatar.com/photo.jpg"}});
+    this.view = new app.views.Poll({ "model" : factory.postWithPoll()});
+    this.view.render();
+  });
+
+  describe("setProgressBar", function(){
+    it("sets the progress bar according to the voting result", function(){
+      var percentage = (this.view.poll.poll_answers[0].vote_count / this.view.poll.participation_count)*100;
+      expect(this.view.$('.poll_progress_bar:first').css('width')).toBe(this.view.progressBarFactor * percentage+"px");
+      expect(this.view.$(".percentage:first").text()).toBe(" - " + percentage + "%");
+    })
+  });
+
+  describe("toggleResult", function(){
+    it("toggles the progress bar and result", function(){
+      expect(this.view.$('.poll_progress_bar_wrapper:first').css('display')).toBe("none");
+      this.view.toggleResult(null);
+      expect(this.view.$('.poll_progress_bar_wrapper:first').css('display')).toBe("block");
+    })
+  });
+
+  describe("updateCounter", function(){
+    it("updates the counter after a vote", function(){
+      var pc = this.view.poll.participation_count;
+      var answerCount = this.view.poll.poll_answers[0].vote_count;
+      this.view.updateCounter(1);
+      expect(this.view.poll.participation_count).toBe(pc+1);
+      expect(this.view.poll.poll_answers[0].vote_count).toBe(answerCount+1);
+    })
+  });
+
+  describe("vote", function(){
+    it("checks the ajax call for voting", function(){
+      spyOn($, "ajax");
+      var radio = this.view.$('input[name="vote"]:first');
+      radio.attr('checked', true);
+      this.view.vote({'target' : radio});
+      var obj = JSON.parse($.ajax.mostRecentCall.args[0].data);
+      expect(obj.poll_id).toBe(this.view.poll.poll_id);
+      expect(obj.poll_answer_id).toBe(this.view.poll.poll_answers[0].id);
+    })
+  })
 });

spec/javascripts/helpers/factory.js

@@ -124,11 +124,31 @@ factory = {
     return new app.models.Post(_.extend(defaultAttrs, overrides))
   },
 
+  postWithPoll :  function(overrides) {
+    defaultAttrs = _.extend(factory.postAttrs(),  {"author" : this.author()});
+    defaultAttrs = _.extend(defaultAttrs,  {"already_participated_in_poll" : false});
+    defaultAttrs = _.extend(defaultAttrs,  {"poll" : factory.poll()});
+    return new app.models.Post(_.extend(defaultAttrs, overrides));
+  },
+
   statusMessage : function(overrides){
     //intentionally doesn't have an author to mirror creation process, maybe we should change the creation process
     return new app.models.StatusMessage(_.extend(factory.postAttrs(), overrides))
   },
 
+  poll: function(overrides){
+    return {
+      "question" : "This is an awesome question",
+      "created_at" : "2012-01-03T19:53:13Z",
+      "author" : this.author(),
+      "post_id" : 1,
+      "poll_answers" : [{"answer" : "yes", "id" : 1, "vote_count" : 9}, {"answer" : "no", "id" : 2, "vote_count" : 1}],
+      "guid" : this.guid(),
+      "poll_id": this.id.next(),
+      "participation_count" : 10
+    }
+  },
+
   comment: function(overrides) {
     var defaultAttrs = {
       "text" : "This is an awesome comment!",