Add EppSession for custom session management

spec/epp/domain_spec.rb

@@ -10,6 +10,7 @@ describe 'EPP Domain', epp: true do
       response = epp_request('create_domain.xml')
       expect(response[:result_code]).to eq('1000')
       expect(response[:msg]).to eq('Command completed successfully')
+      expect(Domain.first.registrar.name).to eq('Zone Media OÜ')
     end
 
   end

spec/fabricators/epp_session_fabricator.rb

@@ -0,0 +1,4 @@
+Fabricator(:epp_session) do
+  session_id 'test'
+  data { {epp_user_id: 1} }
+end

spec/models/epp_session.rb

@@ -0,0 +1,21 @@
+require "rails_helper"
+
+describe EppSession do
+  let(:epp_session) { Fabricate(:epp_session) }
+
+  it 'has encrypted data' do
+    expect(epp_session.read_attribute(:data)).to_not be_blank
+    expect(epp_session.read_attribute(:data).class).to eq(String)
+    expect(epp_session.data.class).to eq(Hash)
+  end
+
+  it 'stores data' do
+    expect(epp_session[:epp_user_id]).to eq(1)
+
+    epp_session[:epp_user_id] = 3
+    expect(epp_session[:epp_user_id]).to eq(3)
+
+    epp_session =  EppSession.find_by(session_id: 'test')
+    expect(epp_session[:epp_user_id]).to eq(3)
+  end
+end