set savings to not known if not given

app/services/imports/sales_logs_import_service.rb

@@ -399,6 +399,7 @@ module Imports
     def set_default_values(attributes)
       attributes["mscharge_known"] ||= 0 if attributes["ownershipsch"] == 3
       attributes["armedforcesspouse"] ||= 7
+      attributes["savingsnk"] ||= attributes["savings"].present? ? 0 : 1
     end
   end
 end

spec/services/imports/sales_logs_import_service_spec.rb

@@ -166,6 +166,39 @@ RSpec.describe Imports::SalesLogsImportService do
       end
     end
 
+    context "when the savings not known is not answered and savings is not given" do
+      let(:sales_log_id) { discounted_ownership_sales_log_id }
+
+      before do
+        sales_log_xml.at_xpath("//xmlns:savingsKnown").content = ""
+        allow(logger).to receive(:warn).and_return(nil)
+      end
+
+      it "sets savingsnk to not know" do
+        sales_log_service.send(:create_log, sales_log_xml)
+
+        sales_log = SalesLog.find_by(old_id: sales_log_id)
+        expect(sales_log&.savingsnk).to be(1)
+      end
+    end
+
+    context "when the savings not known is not answered and savings is given" do
+      let(:sales_log_id) { discounted_ownership_sales_log_id }
+
+      before do
+        sales_log_xml.at_xpath("//xmlns:Q3Savings").content = "10000"
+        sales_log_xml.at_xpath("//xmlns:savingsKnown").content = ""
+        allow(logger).to receive(:warn).and_return(nil)
+      end
+
+      it "sets savingsnk to know" do
+        sales_log_service.send(:create_log, sales_log_xml)
+
+        sales_log = SalesLog.find_by(old_id: sales_log_id)
+        expect(sales_log&.savingsnk).to be(0)
+      end
+    end
+
     context "with shared ownership type" do
       let(:sales_log_id) { shared_ownership_sales_log_id }