text: # -*- coding: utf-8 -*-
  
  from ..base import *  # noqa
  
  
  class TestOneNodeExecution(EngineTestCase):
      def test_execution(self):
          start = EmptyStartEvent()
          act_1 = ServiceActivity(component_code="debug_node")
          end = EmptyEndEvent()
  
          start.extend(act_1).extend(end)
  
          pipeline = self.create_pipeline_and_run(start)
  
          self.join_or_fail(pipeline)
          self.assert_pipeline_finished(pipeline)
  
          self.test_pass()
  