Fix money_only_cents for negative money

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 - Allow monetizing methods with kwargs
+- Fix money_only_cents for negative money
 
 ## 1.15.0
 

lib/money-rails/helpers/action_view_extension.rb

@@ -53,7 +53,7 @@ def money_only_cents(value)
 
       value = value.to_money
 
-      format "%0#{value.currency.exponent}d", (value % value.currency.subunit_to_unit).cents
+      format "%0#{value.currency.exponent}d", (value.abs % value.currency.subunit_to_unit).cents
     end
   end
 end

spec/helpers/action_view_extension_spec.rb

@@ -105,6 +105,11 @@
       let(:monetizable_object){ false }
       it { is_expected.to eq "00" }
     end
+
+    context 'with a negative monetizable object' do
+      let(:monetizable_object){ Money.new(-1_25) }
+      it { is_expected.to eq "25" }
+    end
   end
 
   context 'respects MoneyRails::Configuration settings' do