Add tests

spec/services/bulk_upload/sales/year2023/row_parser_spec.rb

@@ -182,6 +182,54 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
     end
   end
 
+  describe "income and savings fields" do
+    context "when set to R" do
+      let(:attributes) do
+        {
+          bulk_upload:,
+          field_78: "R", # income 1
+          field_80: "R", # income 2
+          field_83: "R", # savings
+        }
+      end
+
+      it "sets the not known field as not known" do
+        expect(parser.log.income1nk).to be(1)
+        expect(parser.log.income2nk).to be(1)
+        expect(parser.log.savingsnk).to be(1)
+      end
+
+      it "leaves the value field nil" do
+        expect(parser.log.income1).to be_nil
+        expect(parser.log.income2).to be_nil
+        expect(parser.log.savings).to be_nil
+      end
+    end
+
+    context "when set to a number" do
+      let(:attributes) do
+        {
+          bulk_upload:,
+          field_78: "30000", # income 1
+          field_80: "0", # income 2
+          field_83: "12420", # savings
+        }
+      end
+
+      it "sets the not known field as known" do
+        expect(parser.log.income1nk).to be(0)
+        expect(parser.log.income2nk).to be(0)
+        expect(parser.log.savingsnk).to be(0)
+      end
+
+      it "sets the values" do
+        expect(parser.log.income1).to be(30_000)
+        expect(parser.log.income2).to be(0)
+        expect(parser.log.savings).to be(12_420)
+      end
+    end
+  end
+
   describe "validations" do
     before do
       stub_request(:get, /api.postcodes.io/)