Add previous property bedsit validations

app/models/validations/sales/sale_information_validations.rb

@@ -14,4 +14,13 @@ module Validations::Sales::SaleInformationValidations
       record.errors.add :hodate, "Practical completion or handover date must be before exchange date"
     end
   end
+
+  def validate_previous_property_unit_type(record)
+    return unless record.fromprop && record.frombeds
+
+    if record.frombeds != 1 && record.fromprop == 2
+      record.errors.add :frombeds, I18n.t("validations.sale_information.previous_property_beds.property_type_bedsit")
+      record.errors.add :fromprop, I18n.t("validations.sale_information.previous_property_type.property_type_bedsit")
+    end
+  end
 end

config/locales/en.yml

@@ -408,6 +408,11 @@ en:
         before_deactivation: "This location was deactivated on %{date}. The reactivation date must be on or after deactivation date"
       deactivation:
         during_deactivated_period: "The location is already deactivated during this date, please enter a different date"
+    sale_information:
+      previous_property_beds: 
+        property_type_bedsit: "Bedsit bedroom maximum 1"
+      previous_property_type: 
+        property_type_bedsit: "A bedsit can not have more than 1 bedroom"
 
   soft_validations:
     net_income:

spec/models/validations/sales/sale_information_validations_spec.rb

@@ -108,4 +108,26 @@ RSpec.describe Validations::Sales::SaleInformationValidations do
       end
     end
   end
+
+  describe "#validate_previous_property_unit_type" do
+    context "when number of bedrooms is <= 1" do
+      let(:record) { FactoryBot.build(:sales_log, frombeds: 1, fromprop: 2) }
+
+      it "does not add an error if it's a bedsit" do
+        sale_information_validator.validate_previous_property_unit_type(record)
+
+        expect(record.errors).to be_empty
+      end
+    end
+
+    context "when number of bedrooms is > 1" do
+      let(:record) { FactoryBot.build(:sales_log, frombeds: 2, fromprop: 2) }
+
+      it "does add an error if it's a bedsit" do
+        sale_information_validator.validate_previous_property_unit_type(record)
+        expect(record.errors["fromprop"]).to include(I18n.t("validations.sale_information.previous_property_type.property_type_bedsit"))
+        expect(record.errors["frombeds"]).to include(I18n.t("validations.sale_information.previous_property_beds.property_type_bedsit"))
+      end
+    end
+  end
 end