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

spec/factories/exercise.rb

@@ -38,6 +38,24 @@ FactoryGirl.define do
     association :execution_environment, factory: :ruby
     instructions
     title 'Dummy'
+
+    factory :dummy_with_user_feedbacks do
+      # user_feedbacks_count is declared as a transient attribute and available in
+      # attributes on the factory, as well as the callback via the evaluator
+      transient do
+        user_feedbacks_count 5
+      end
+
+      # the after(:create) yields two values; the exercise instance itself and the
+      # evaluator, which stores all values from the factory, including transient
+      # attributes; `create_list`'s second argument is the number of records
+      # to create and we make sure the user_exercise_feedback is associated properly to the exercise
+      after(:create) do |exercise, evaluator|
+        create_list(:user_exercise_feedback, evaluator.user_feedbacks_count, exercise: exercise)
+      end
+
+    end
+
   end
 
   factory :even_odd, class: Exercise do

spec/factories/user_exercise_feedback.rb

@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :user_exercise_feedback, class: UserExerciseFeedback do
+    created_by_external_user
+    feedback_text 'Most suitable exercise ever'
+  end
+
+end