additional functional tests, some controller fixes

test/functional/comments_controller_test.rb

@@ -1,8 +1,36 @@
 require 'test_helper'
 
 class CommentsControllerTest < ActionController::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  context "A comments controller" do
+    setup do
+      CurrentUser.user = Factory.create(:user)
+      CurrentUser.ip_addr = "127.0.0.1"
+      @comment = Factory.create(:comment)
+      @user = Factory.create(:moderator_user)
+    end
+    
+    teardown do
+      CurrentUser.user = nil
+      CurrentUser.ip_addr = nil
+    end
+
+    should "render the index page" do
+      get :index
+      assert_response :success
+    end
+    
+    should "update a comment" do
+      post :update, {:id => @comment.id, :comment => {:body => "abc"}}, {:user_id => @comment.creator_id}
+      assert_redirected_to comment_path(@comment)
+    end
+    
+    should "create a comment" do
+      p = Factory.create(:post)
+      assert_difference("Comment.count", 1) do
+        post :create, {:comment => Factory.attributes_for(:comment, :post_id => p.id)}, {:user_id => @user.id}
+      end
+      comment = Comment.last
+      assert_redirected_to post_path(comment.post)
+    end
   end
 end