Deny contact ident modification on EPP contact:update

#569

spec/requests/epp/contact/update/ident_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+
+RSpec.describe 'EPP contact:update' do
+  let(:request) { post '/epp/command/update', frame: request_xml }
+  let(:request_xml) { <<-XML
+    <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+    <epp xmlns="https://epp.tld.ee/schema/epp-ee-1.0.xsd">
+      <command>
+        <update>
+          <contact:update xmlns:contact="https://epp.tld.ee/schema/contact-ee-1.1.xsd">
+            <contact:id>TEST</contact:id>
+            <contact:chg>
+              <contact:postalInfo>
+                <contact:name>test</contact:name>
+              </contact:postalInfo>
+            </contact:chg>
+          </contact:update>
+        </update>
+        <extension>
+          <eis:extdata xmlns:eis="https://epp.tld.ee/schema/eis-1.0.xsd">
+            <eis:ident cc="US" type="org">test</eis:ident>
+          </eis:extdata>
+        </extension>
+      </command>
+    </epp>
+  XML
+  }
+
+  before do
+    sign_in_to_epp_area
+  end
+
+  context 'when :ident tag is given and a contact has been imported from legacy software' do
+    let(:contact) { build(:contact, code: 'TEST', ident: nil, ident_type: nil, ident_country_code: nil) }
+
+    specify do
+      contact.save(validate: false)
+      request
+      expect(response).to have_code_of(2306)
+    end
+  end
+end