moves helper method to votes helper and adds spec

app/helpers/application_helper.rb

@@ -1,14 +1,5 @@
 module ApplicationHelper
 
-  def votes_percentage(vote, debate)
-    return "0%" if debate.total_votes == 0
-    if vote == 'likes'
-      debate.likes.percent_of(debate.total_votes).to_s + "%"
-    elsif vote == 'dislikes'
-      (100 - debate.likes.percent_of(debate.total_votes)).to_s + "%"
-    end
-  end
-
   def home_page?
     return false if user_signed_in?
     # Using path because fullpath yields false negatives since it contains

app/helpers/votes_helper.rb

@@ -1,5 +1,14 @@
 module VotesHelper
 
+  def votes_percentage(vote, debate)
+    return "0%" if debate.total_votes == 0
+    if vote == 'likes'
+      debate.likes.percent_of(debate.total_votes).to_s + "%"
+    elsif vote == 'dislikes'
+      (100 - debate.likes.percent_of(debate.total_votes)).to_s + "%"
+    end
+  end
+
   def css_classes_for_vote(votes, votable)
     case votes[votable.id]
     when true

spec/helpers/votes_helper_spec.rb

@@ -18,4 +18,15 @@ describe VotesHelper do
     end
   end
 
+  describe "#votes_percentage" do
+    it "should always sum 100%" do
+      debate = create(:debate)
+      create_list(:vote, 8, votable: debate, vote_flag: true)
+      create_list(:vote, 3, votable: debate, vote_flag: false)
+
+      expect(votes_percentage('likes', debate)).to eq("72%")
+      expect(votes_percentage('dislikes', debate)).to eq("28%")
+    end
+  end
+
 end