code: def testRun(self, mock_publisher):
      mock_publisher.return_value.publish_execution.return_value = {}
  
      test_dir = os.path.join(
          os.environ.get(
              "TEST_UNDECLARED_OUTPUTS_DIR", self.get_temp_dir()
          ),
          self._testMethodName,
      )
  
      connection_config = metadata_store_pb2.ConnectionConfig()
      connection_config.sqlite.SetInParent()
      metadata_connection = metadata.Metadata(connection_config)
  
      pipeline_root = os.path.join(test_dir, "Test")
      input_path = os.path.join(test_dir, "input")
      fileio.makedirs(os.path.dirname(input_path))
      file_io.write_string_to_file(input_path, "test")
  
      input_artifact = test_utils._InputArtifact()
      input_artifact.uri = input_path
  
      component = test_utils._FakeComponent(
          name="FakeComponent",
          input_channel=channel_utils.as_channel([input_artifact]),
      )
  
      pipeline_info = data_types.PipelineInfo(
          pipeline_name="Test",
          pipeline_root=pipeline_root,
          run_id="123",
      )
  
      driver_args = data_types.DriverArgs(enable_cache=True)
  
      # We use InProcessComponentLauncher to test BaseComponentLauncher logics.
      launcher = in_process_component_launcher.InProcessComponentLauncher.create(
          component=component,
          pipeline_info=pipeline_info,
          driver_args=driver_args,
          metadata_connection=metadata_connection,
          beam_pipeline_args=[],
          additional_pipeline_args={},
      )
      self.assertEqual(
          launcher._component_info.component_type,
          name_utils.get_full_name(test_utils._FakeComponent),
      )
      launcher.launch()
  
      output_path = component.outputs["output"].get()[0].uri
      self.assertTrue(fileio.exists(output_path))
      contents = file_io.read_file_to_string(output_path)
      self.assertEqual("test", contents)
  
file_path: tfx/tfx/orchestration/launcher/base_component_launcher_test.py
imports: import os
  from unittest import mock
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.orchestration import data_types
  from tfx.orchestration import metadata
  from tfx.orchestration import publisher
  from tfx.orchestration.launcher import in_process_component_launcher
  from tfx.orchestration.launcher import test_utils
  from tfx.types import channel_utils
  from tfx.utils import name_utils
  from ml_metadata.proto import metadata_store_pb2
  from tensorflow.python.lib.io import file_io
label_desc: Use image node_id 1 for calling the ComponentRunnerTest obj's underlying member method code with example usage: obj.testRun(mock_publisher) without return types