fix: correct logic when redacting database URL without a password

lib/pact_broker/config/runtime_configuration_logging_methods.rb

@@ -38,8 +38,12 @@ def redact name, value
           if value && name.to_s.end_with?("_url")
             begin
               uri = URI(value)
-              uri.password = "*****"
-              uri.to_s
+              if uri.password
+                uri.password = "*****"
+                uri.to_s
+              else
+                value
+              end
             rescue StandardError
               "*****"
             end

spec/lib/pact_broker/config/runtime_configuration_logging_methods_spec.rb

@@ -17,6 +17,14 @@ module Config
         expect(subject).to include "database_password=*****"
         expect(subject).to include "database_url=protocol://username:*****@host/database"
       end
+
+      context "with a database URL with no password" do
+        let(:initial_values) { { database_password: "foo", database_url: "sqlite:///pact_broker.sqlite3" } }
+
+        it "maintians the specified value" do
+          expect(subject).to include "database_url=sqlite:///pact_broker.sqlite3"
+        end
+      end
     end
   end
 end