[RUBY-4163] implementing mock mode support for os places postcode lookup

Author: brujeo

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/DEFRA/waste-carriers-engine
-  revision: 674e64343facbd28457ee4e61a0dbfc92a797ad5
+  revision: 8919ca7707b6cc2b2ccba3c2f67b6d99e3fd4295
   branch: feature/RUBY-4163-wcr-tech-debt-implement-os-places-address-lookup-service-in-defra-ruby-address-gem
   specs:
     waste_carriers_engine (0.0.1)
@@ -327,19 +327,19 @@ GEM
     mime-types (3.7.0)
       logger
       mime-types-data (~> 3.2025, >= 3.2025.0507)
-    mime-types-data (3.2026.0224)
+    mime-types-data (3.2026.0303)
     mini_mime (1.1.5)
     mini_portile2 (2.8.9)
     minitest (6.0.2)
       drb (~> 2.0)
       prism (~> 1.5)
-    mongo (2.22.0)
+    mongo (2.23.0)
       base64
       bson (>= 4.14.1, < 6.0.0)
     mongo_session_store (3.2.1)
       actionpack (>= 4.0)
       mongo (~> 2.0)
-    mongoid (8.1.11)
+    mongoid (8.1.12)
       activemodel (>= 5.1, < 8.1, != 7.0.0)
       concurrent-ruby (>= 1.0.5, < 2.0)
       mongo (>= 2.18.0, < 3.0.0)
@@ -378,7 +378,7 @@ GEM
       rack (>= 1.6.13)
       rackup (>= 1.0.1)
       rake (>= 12.3.3)
-    phonelib (0.10.15)
+    phonelib (0.10.16)
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)

config/application.rb

@@ -65,13 +65,20 @@ class Application < Rails::Application
         ENV["WCRS_COMPANIES_HOUSE_URL"] || "https://api.companieshouse.gov.uk/"
       end
 
+    # OS Placess postcode lookup config
+    config.os_places_api_key = ENV.fetch("WCRS_OSPLACES_KEY", nil)
+    config.os_places_service_url =
+      if ENV["WCRS_MOCK_ENABLED"].to_s.downcase == "true"
+        ENV.fetch("WCRS_MOCK_BO_OSPLACES_URL", nil)
+      else
+        ENV["WCRS_OSPLACES_URL"] || "https://api.os.uk/search/places/v1"
+      end
+
     # Paths
     # This is the domain to use on URLs for FO services such as renewal and deregistration
     config.wcrs_fo_link_domain = ENV["WCRS_RENEWALS_DOMAIN"] || "http://localhost:3002"
-
     config.wcrs_frontend_url = ENV["WCRS_FRONTEND_DOMAIN"] || "http://localhost:3000"
     config.wcrs_services_url = ENV["WCRS_SERVICES_DOMAIN"] || "http://localhost:8003"
-    config.os_places_service_url = ENV["WCRS_OS_PLACES_DOMAIN"] || "http://localhost:8005"
     config.host = config.wcrs_fo_link_domain
 
     # Fees