Fix: No comma when locality is empty (small fix) (#2111)

* Fix: No comma when locality is empty

* better cleanup on address string

* fix test to one-liner

* add more testing

app/models/address.rb

@@ -2,7 +2,7 @@ class Address < ApplicationRecord
   belongs_to :addressable, polymorphic: true
 
   def to_s
-    I18n.t("address.format",
+    string = I18n.t("address.format",
       line1: line1,
       line2: line2,
       county: county,
@@ -11,5 +11,8 @@ class Address < ApplicationRecord
       country: country,
       postal_code: postal_code
     )
+
+    # Clean up the string to maintain I18n comma formatting
+    string.split(",").map(&:strip).reject(&:empty?).join(", ")
   end
 end

config/locales/models/address/en.yml

@@ -8,8 +8,4 @@ en:
       locality: Locality
       postal_code: Postal Code
       region: Region
-    format: |-
-      %{line1}
-      %{line2}
-      %{locality}, %{region} %{postal_code}
-      %{country}
+    format: "%{line1} %{line2}, %{locality}, %{region} %{postal_code} %{country}"

test/models/address_test.rb

@@ -10,6 +10,41 @@ class AddressTest < ActiveSupport::TestCase
       postal_code: "94101"
     )
 
-    assert_equal "123 Main St\n\nSan Francisco, CA 94101\nUS", address.to_s
+    assert_equal "123 Main St, San Francisco, CA 94101 US", address.to_s
+  end
+
+  test "can print a formatted address with line2" do
+    address = Address.new(
+      line1: "123 Main St",
+      line2: "Apt 1",
+      locality: "San Francisco",
+      region: "CA",
+      country: "US",
+      postal_code: "94101"
+    )
+
+    assert_equal "123 Main St Apt 1, San Francisco, CA 94101 US", address.to_s
+  end
+
+  test "can print empty when address is empty" do
+    address = Address.new(
+      line1: nil,
+      line2: nil,
+      locality: nil,
+      region: nil,
+      country: nil,
+      postal_code: nil
+    )
+
+    assert_equal "", address.to_s
+  end
+
+  test "can strip extras commas and spaces" do
+    address = Address.new(
+      line1: "123 Main St ,",
+      locality: " San Francisco, ",
+    )
+
+    assert_equal "123 Main St, San Francisco", address.to_s
   end
 end