#46 Add Prometheus exporter

spec/factories/request_for_comment.rb

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 FactoryBot.define do
-  factory :rfc, class: RequestForComment do
+  factory :rfc, class: 'RequestForComment' do
     association :user, factory: :external_user
     association :submission
     association :exercise, factory: :dummy
@@ -7,5 +9,12 @@ FactoryBot.define do
     sequence :question do |n|
       "test question #{n}"
     end
+
+    factory :rfc_with_comment, class: 'RequestForComment' do
+      after(:create) do |rfc|
+        rfc.file = rfc.submission.files.first
+        Comment.create(file: rfc.file, user: rfc.user, text: "comment for rfc #{rfc.question}")
+      end
+    end
   end
 end