Add upvote tests

app/components/topic-card/component.js

@@ -31,7 +31,7 @@ export default Ember.Component.extend({
       else {
         this.get('topic.upvoters').pushObject(this.get('session.currentUser'));
       }
-      this.get('topic').save();
+      this.sendAction('topicUpdated', this.get('topic'));
     },
     chooseTalkDate(date) {
       // we don't currently have a date and the meetup is today.
@@ -51,11 +51,11 @@ export default Ember.Component.extend({
 
       this.set('showMeetupDates', false);
 
-      this.get('topic').save();
+      this.sendAction('topicUpdated', this.get('topic'));
     },
     cancelTalkBy() {
       this.get('topic').setProperties({ talkBy: null, talkDate: null });
-      this.get('topic').save();
+      this.sendAction('topicUpdated', this.get('topic'));
     }
   }
 });

app/index/route.js

@@ -12,6 +12,9 @@ export default Ember.Route.extend({
         submittedDate: new Date()
       }).save();
       this.set('controller.newTopic', '');
+    },
+    updateTopic(topic) {
+      topic.save();
     }
   }
 });

app/index/template.hbs

@@ -19,7 +19,7 @@
   {{#each orderedTopics as |topic index|}}
     <li>
       <div class='number'>{{base-one-index index}}</div>
-      {{topic-card classNames='topic-card' topic=topic}}
+      {{topic-card classNames='topic-card' topic=topic topicUpdated='updateTopic'}}
     </li>
   {{/each}}
 </ol>

tests/integration/components/topic-card/component-test.js

@@ -1,6 +1,6 @@
 import { moduleForComponent, test } from 'ember-qunit';
 import hbs from 'htmlbars-inline-precompile';
-
+import Ember from 'ember';
 
 moduleForComponent('topic-card', 'Integration | Component | topic card', {
   integration: true
@@ -23,3 +23,21 @@ test('it renders', function(assert) {
   assert.ok(descriptionText.indexOf('Now Test') !== -1);
   assert.ok(descriptionText.indexOf('New!') !== -1);
 });
+
+test('upvoting adds a user to the upvoters list', function(assert) {
+  this.set('testTopic', { upvoters: Ember.A() });
+  this.render(hbs`{{topic-card topic=testTopic}}`);
+  this.$('.upvote.icon-btn').click();
+  assert.ok(this.$('.fa.fa-thumbs-up').length === 1);
+  assert.ok(this.$('.fa.fa-thumbs-o-up').length === 0);
+  assert.ok(this.get('testTopic.upvoters.length') === 1);
+});
+
+test('a user can remove their upvote', function(assert) {
+  this.set('testTopic', { upvoters: Ember.A([null]) });
+  this.render(hbs`{{topic-card topic=testTopic}}`);
+  this.$('.upvote.icon-btn').click();
+  assert.ok(this.$('.fa.fa-thumbs-up').length === 0);
+  assert.ok(this.$('.fa.fa-thumbs-o-up').length === 1);
+  assert.ok(this.get('testTopic.upvoters.length') === 0);
+});