Merge pull request #55495 from joaquintomas2003/authentication_test_files_generator

Move authentication test files generation to `test_unit` specific generator

Author: byroot

railties/lib/rails/generators/rails/authentication/authentication_generator.rb

@@ -29,8 +29,6 @@ def create_authentication_files
 
         template "app/views/passwords_mailer/reset.html.erb"
         template "app/views/passwords_mailer/reset.text.erb"
-
-        template "test/mailers/previews/passwords_mailer_preview.rb"
       end
 
       def configure_application_controller

railties/lib/rails/generators/test_unit/authentication/authentication_generator.rb

@@ -9,6 +9,10 @@ def create_user_test_files
         template "test/fixtures/users.yml"
         template "test/models/user_test.rb"
       end
+
+      def create_mailer_preview_files
+        template "test/mailers/previews/passwords_mailer_preview.rb" if defined?(ActionMailer::Railtie)
+      end
     end
   end
 end

railties/lib/rails/generators/rails/authentication/templates/test/mailers/previews/passwords_mailer_preview.rb.tt renamed to railties/lib/rails/generators/test_unit/authentication/templates/test/mailers/previews/passwords_mailer_preview.rb.tt

@@ -110,6 +110,14 @@ def test_model_test_is_skipped_if_test_framework_is_given
     assert_no_file "test/models/user_test.rb"
   end
 
+  def mailer_preview_is_skipped_if_test_framework_is_given
+    generator([destination_root], ["-t", "rspec"])
+
+    run_generator_instance
+
+    assert_no_file "test/mailers/previews/passwords_mailer_preview.rb"
+  end
+
   def test_connection_class_skipped_without_action_cable
     old_value = ActionCable.const_get(:Engine)
     ActionCable.send(:remove_const, :Engine)