module ActionView::TestCase::Behavior

def setup_with_controller
  controller_class = Class.new(ActionView::TestCase::TestController)
  @controller = controller_class.new
  @request = @controller.request
  @view_flow = ActionView::OutputFlow.new
  # empty string ensures buffer has UTF-8 encoding as
  # new without arguments returns ASCII-8BIT encoded buffer like String#new
  @output_buffer = ActiveSupport::SafeBuffer.new ""
  @rendered = +""
  test_case_instance = self
  controller_class.define_method(:_test_case) { test_case_instance }
end