2 files changed, 33 insertions, 0 deletions
diff --git a/actionmailbox/lib/rails/generators/test_unit/mailbox_generator.rb b/actionmailbox/lib/rails/generators/test_unit/mailbox_generator.rb
new file mode 100644
index 0000000000..2ec7d11a2f
--- /dev/null
+++ b/actionmailbox/lib/rails/generators/test_unit/mailbox_generator.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module TestUnit
+  module Generators
+    class MailboxGenerator < ::Rails::Generators::NamedBase
+      source_root File.expand_path("templates", __dir__)
+
+      check_class_collision suffix: "MailboxTest"
+
+      def create_test_files
+        template "mailbox_test.rb", File.join("test/mailboxes", class_path, "#{file_name}_mailbox_test.rb")
+      end
+
+      private
+        def file_name # :doc:
+          @_file_name ||= super.sub(/_mailbox\z/i, "")
+        end
+    end
+  end
+end
diff --git a/actionmailbox/lib/rails/generators/test_unit/templates/mailbox_test.rb.tt b/actionmailbox/lib/rails/generators/test_unit/templates/mailbox_test.rb.tt
new file mode 100644
index 0000000000..0b51f29fe4
--- /dev/null
+++ b/actionmailbox/lib/rails/generators/test_unit/templates/mailbox_test.rb.tt
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class <%= class_name %>MailboxTest < ActionMailbox::TestCase
+  # test "receive mail" do
+  #   receive_inbound_email_from_mail \
+  #     to: '"someone" <someone@example.com>',
+  #     from: '"else" <else@example.com>',
+  #     subject: "Hello world!",
+  #     body: "Hello?"
+  # end
+end