Count +1 votes in issue notes.

spec/models/issue_spec.rb

@@ -24,6 +24,37 @@ describe Issue do
                       :assignee => Factory(:user),
                       :project => Factory.create(:project)).should be_valid }
 
+  describe "plus 1" do
+    let(:project) { Factory(:project) }
+    subject {
+      Factory.create(:issue,
+                     :author => Factory(:user),
+                     :assignee => Factory(:user),
+                     :project => project)
+    }
+
+    it "with no notes has a 0/0 score" do
+      subject.upvotes.should == 0
+    end
+
+    it "should recognize non-+1 notes" do
+      subject.notes << Factory(:note, note: "No +1 here", project: Factory(:project, path: 'plusone', code: 'plusone'))
+      subject.should have(1).note
+      subject.notes.first.upvote?.should be_false
+      subject.upvotes.should == 0
+    end
+
+    it "should recognize a single +1 note" do
+      subject.notes << Factory(:note, note: "+1 This is awesome", project: Factory(:project, path: 'plusone', code: 'plusone'))
+      subject.upvotes.should == 1
+    end
+
+    it "should recognize a multiple +1 notes" do
+      subject.notes << Factory(:note, note: "+1 This is awesome", project: Factory(:project, path: 'plusone', code: 'plusone'))
+      subject.notes << Factory(:note, note: "+1 I want this", project: Factory(:project, path: 'plustwo', code: 'plustwo'))
+      subject.upvotes.should == 2
+    end
+  end
 end
 # == Schema Information
 #