class TestUnit::Generators::MailerGenerator

def check_class_collision
  class_collisions "#{class_name}MailerTest", "#{class_name}MailerPreview"
end

def create_preview_files
  template "preview.rb", File.join("test/mailers/previews", class_path, "#{file_name}_mailer_preview.rb")
end

def create_test_files
  template "functional_test.rb", File.join("test/mailers", class_path, "#{file_name}_mailer_test.rb")
end

def file_name
  @_file_name ||= super.sub(/_mailer\z/i, "")
end