Clear expired EPP sessions

Fixes #711

lib/tasks/epp/clear_expired_sessions.rake

@@ -0,0 +1,7 @@
+namespace :epp do
+  desc 'Clear expired EPP sessions'
+
+  task clear_expired_sessions: :environment do
+    Epp::ExpiredSessions.new(EppSession.expired).clear
+  end
+end

test/tasks/epp/clear_expired_sessions_test.rb

@@ -0,0 +1,20 @@
+require 'test_helper'
+
+class EppClearExpiredSessionsTaskTest < ActiveSupport::TestCase
+  def test_clears_expired_epp_sessions
+    idle_timeout = 0.second
+    EppSession.idle_timeout = idle_timeout
+    session = epp_sessions(:api_bestnames)
+    session.update!(updated_at: Time.zone.now - idle_timeout - 1.second)
+
+    run_task
+
+    assert_nil EppSession.find_by(session_id: session.session_id)
+  end
+
+  private
+
+  def run_task
+    Rake::Task['epp:clear_expired_sessions'].execute
+  end
+end