first steps towards testing the redirect with regards to user_feedbacks

spec/controllers/exercises_controller_spec.rb

@@ -313,4 +313,30 @@ describe ExercisesController do
       expect_template(:edit)
     end
   end
+
+  describe 'redirect after submit' do
+
+    let!(:submission_with_created_at_to_receive_feedback) { FactoryGirl.create(:submission, exercise_id: exercise.id, user_id: user.id, user_type: user.class.name, created_at: (10 - (user.id % 10))) }
+
+    let(:exercise_with_user_feedbacks) { FactoryGirl.build(:dummy_with_user_feedbacks, submission: submission_with_created_at_to_receive_feedback) }
+    let(:exercise_with_21_user_feedbacks) { FactoryGirl.build(:dummy_with_user_feedbacks, user_exercise_feedback_count: 21) }
+
+
+
+    it 'with less than maximal user feedbacks' do
+      exercise_with_user_feedbacks.send(:redirect_after_submit)
+      expect_redirect(new_user_exercise_feedback_path(user_exercise_feedback: {exercise_id: @exercise.id}))
+    end
+
+    it 'with more than maximal user feedbacks' do
+      exercise_with_user_feedbacks.send(:redirect_after_submit)
+      expect_redirect(new_user_exercise_feedback_path(user_exercise_feedback: {exercise_id: @exercise.id}))
+    end
+
+
+
+    expect_redirect(Exercise.last)
+
+  end
+
 end