Add test cases for anon/banned/member voting.

app/models/ban.rb

@@ -38,7 +38,7 @@ class Ban < ActiveRecord::Base
   end
 
   def initialize_banner_id
-    self.banner_id = CurrentUser.id
+    self.banner_id = CurrentUser.id if self.banner_id.blank?
   end
 
   def user_is_inferior

test/factories/ban.rb

@@ -1,5 +1,6 @@
 FactoryGirl.define do
   factory(:ban) do |f|
+    banner :factory => :admin_user
     reason {FFaker::Lorem.words.join(" ")}
     duration 60
   end

test/factories/user.rb

@@ -13,7 +13,11 @@ FactoryGirl.define do
 
     factory(:banned_user) do
       is_banned true
-      ban {|x| x.association(:ban)}
+      after(:create) { |user| create(:ban, user: user) }
+    end
+
+    factory(:member_user) do
+      level 20
     end
 
     factory(:gold_user) do

test/functional/post_votes_controller_test.rb

@@ -15,6 +15,34 @@ class PostVotesControllerTest < ActionController::TestCase
     end
 
     context "create action" do
+      should "not allow anonymous users to vote" do
+        p1 = FactoryGirl.create(:post)
+        post :create, {:post_id => p1.id, :score => "up", :format => "js"}
+
+        assert_response 403
+        assert_equal(0, p1.reload.score)
+      end
+
+      should "not allow banned users to vote" do
+        CurrentUser.scoped(FactoryGirl.create(:banned_user)) do
+          p1 = FactoryGirl.create(:post)
+          post :create, {:post_id => p1.id, :score => "up", :format => "js"}, {:user_id => CurrentUser.id}
+
+          assert_response 403
+          assert_equal(0, p1.reload.score)
+        end
+      end
+
+      should "not allow members to vote" do
+        CurrentUser.scoped(FactoryGirl.create(:member_user)) do
+          p1 = FactoryGirl.create(:post)
+          post :create, {:post_id => p1.id, :score => "up", :format => "js"}, {:user_id => CurrentUser.id}
+
+          assert_response 403
+          assert_equal(0, p1.reload.score)
+        end
+      end
+
       should "increment a post's score if the score is positive" do
         post :create, {:post_id => @post.id, :score => "up", :format => "js"}, {:user_id => @user.id}
         assert_response :success