Add validations for transaction when the currency used a dot as a thousand separator

Author: RubenIgnacio

spec/active_record/monetizable/monetize_spec.rb

@@ -800,6 +800,20 @@ class SubProduct < Product
               transaction.amount = "$123"
               expect(transaction.valid?).to be_truthy
             end
+
+            it "is valid when the monetize field is set" do
+              transaction.amount = 5_000
+              transaction.currency = :eur
+
+              expect(transaction.valid?).to be_truthy
+            end
+
+            it "is valid when the monetize field is not set" do
+              transaction.update(amount: 5_000, currency: :eur)
+              transaction.reload # reload to simulate the retrieved object
+
+              expect(transaction.valid?).to be_truthy
+            end
           end
         end
       end

spec/dummy/app/models/transaction.rb

@@ -1,5 +1,14 @@
 class Transaction < ActiveRecord::Base
-  monetize :amount_cents, with_model_currency: :currency
+  monetize :amount_cents, with_model_currency: :currency,
+                          subunit_numericality: {
+                            only_integer: true,
+                            greater_than: 0,
+                            less_than_or_equal_to: 2_000_000,
+                          },
+                          numericality: {
+                            greater_than: 0,
+                            less_than_or_equal_to: 20_000
+                          }
 
   monetize :tax_cents, with_model_currency: :currency