Clear joint tenancy if there is only 1 person in the household

app/models/validations/tenancy_validations.rb

@@ -43,7 +43,7 @@ module Validations::TenancyValidations
     return unless record.collection_start_year && record.joint
 
     if record.hhmemb == 1 && record.joint != 2 && record.collection_start_year >= 2022
-      record.errors.add :joint, I18n.t("validations.tenancy.not_joint")
+      record.errors.add :joint, :not_joint_tenancy, message: I18n.t("validations.tenancy.not_joint")
       record.errors.add :hhmemb, I18n.t("validations.tenancy.joint_more_than_one_member")
     end
   end

app/services/imports/lettings_logs_import_service.rb

@@ -317,6 +317,11 @@ module Imports
         attributes.delete("prevten")
         attributes.delete("rsnvac")
         save_lettings_log(attributes, previous_status)
+      elsif lettings_log.errors.of_kind?(:joint, :not_joint_tenancy)
+        @logger.warn("Log #{lettings_log.old_id}: Removing joint tenancy as there is only 1 person in the household")
+        @logs_overridden << lettings_log.old_id
+        attributes.delete("joint")
+        save_lettings_log(attributes, previous_status)
       else
         @logger.error("Log #{lettings_log.old_id}: Failed to import")
         lettings_log.errors.each do |error|

spec/fixtures/imports/logs/0ead17cb-1668-442d-898c-0d52879ff592.xml

@@ -119,6 +119,7 @@
       <Q10-g>Yes</Q10-g>
       <Q10-h/>
       <Q10ia>2 No</Q10ia>
+      <joint>2 No</joint>
       <Q10ib-1/>
       <Q10ib-2/>
       <Q10ib-3/>

spec/services/imports/lettings_logs_import_service_spec.rb

@@ -590,5 +590,41 @@ RSpec.describe Imports::LettingsLogsImportService do
           .to change(OrganisationRelationship, :count).by(1)
       end
     end
+
+    context "when this is a joint tenancy with 1 person in the household" do
+      let(:lettings_log_id) { "0ead17cb-1668-442d-898c-0d52879ff592" }
+      let(:lettings_log_file) { open_file(fixture_directory, lettings_log_id) }
+      let(:lettings_log_xml) { Nokogiri::XML(lettings_log_file) }
+
+      before do
+        lettings_log_xml.at_xpath("//xmlns:joint").content = "1"
+        lettings_log_xml.at_xpath("//xmlns:HHMEMB").content = "1"
+        lettings_log_xml.at_xpath("//xmlns:P2Age").content = ""
+        lettings_log_xml.at_xpath("//xmlns:P2Rel").content = ""
+        lettings_log_xml.at_xpath("//xmlns:P2Sex").content = ""
+        lettings_log_xml.at_xpath("//xmlns:P1Nat").content = "18"
+        lettings_log_xml.at_xpath("//xmlns:P2Eco").content = ""
+        lettings_log_xml.at_xpath("//xmlns:DAY").content = "2"
+        lettings_log_xml.at_xpath("//xmlns:MONTH").content = "10"
+        lettings_log_xml.at_xpath("//xmlns:YEAR").content = "2022"
+      end
+
+      it "intercepts the relevant validation error" do
+        expect(logger).to receive(:warn).with(/Removing joint tenancy as there is only 1 person in the household/)
+        expect { lettings_log_service.send(:create_log, lettings_log_xml) }
+          .not_to raise_error
+      end
+
+      it "clears out the referral answer" do
+        allow(logger).to receive(:warn)
+
+        lettings_log_service.send(:create_log, lettings_log_xml)
+        lettings_log = LettingsLog.find_by(old_id: lettings_log_id)
+
+        expect(lettings_log).not_to be_nil
+        expect(lettings_log.joint).to be_nil
+        expect(lettings_log.hhmemb).to eq(1)
+      end
+    end
   end
 end