Add ecstat buyer validation

app/models/validations/sales/household_validations.rb

@@ -107,6 +107,13 @@ module Validations::Sales::HouseholdValidations
     end
   end
 
+  def validate_buyer_not_child(record)
+    return unless record.saledate && record.form.start_year_after_2024?
+
+    record.errors.add "ecstat1", I18n.t("validations.household.ecstat.buyer_cannot_be_child", buyer_index: "1") if person_is_economic_child?(record.ecstat1)
+    record.errors.add "ecstat2", I18n.t("validations.household.ecstat.buyer_cannot_be_child", buyer_index: "2") if person_is_economic_child?(record.ecstat2) && record.joint_purchase?
+  end
+
 private
 
   def person_is_fulltime_student?(economic_status)

config/locales/en.yml

@@ -485,6 +485,7 @@ en:
         retired_female: "Answer cannot be ‘retired’ as the female tenant is under 60"
         not_child_16_19:
           cannot_be_student: "Person cannot be a student if they are aged 16-19 but are not a child"
+        buyer_cannot_be_child: "Buyer %{buyer_index} cannot have a working situation of child under 16"
       relat:
         child_under_16_sales: "Answer cannot be ‘partner’ as you told us person %{person_num}'s age is under 16"
         child_under_16_lettings: "Answer cannot be ‘partner’ as you told us person %{person_num}'s age is under 16"

spec/models/validations/sales/household_validations_spec.rb

@@ -446,4 +446,55 @@ RSpec.describe Validations::Sales::HouseholdValidations do
       end
     end
   end
+
+  describe "#validate_buyer_not_child" do
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
+    end
+
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
+    end
+
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      it "does not add an error if either buyer is a child" do
+        record.jointpur = 1
+        record.ecstat1 = 9
+        record.ecstat2 = 9
+        household_validator.validate_buyer_not_child(record)
+        expect(record.errors["ecstat1"]).to be_empty
+        expect(record.errors["ecstat2"]).to be_empty
+      end
+    end
+
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
+
+      it "validates buyer 1 isn't a child" do
+        record.ecstat1 = 9
+        household_validator.validate_buyer_not_child(record)
+        expect(record.errors["ecstat1"])
+          .to include("Buyer 1 cannot have a working situation of child under 16")
+      end
+
+      it "validates buyer 2 isn't a child" do
+        record.jointpur = 1
+        record.ecstat2 = 9
+        household_validator.validate_buyer_not_child(record)
+        expect(record.errors["ecstat2"])
+          .to include("Buyer 2 cannot have a working situation of child under 16")
+      end
+
+      it "allows person 2 to be a child" do
+        record.jointpur = 2
+        record.ecstat2 = 9
+        household_validator.validate_buyer_not_child(record)
+        expect(record.errors["ecstat2"]).to be_empty
+      end
+    end
+  end
 end