code: def testReplacePlaceHolder(self):
      pipeline_name = "dummy"
      src = self.create_tempfile()
      dst = self.create_tempfile()
      # pylint: disable=protected-access
      replace_dict = {
          template_handler._IMPORT_FROM_PACKAGE: template_handler._IMPORT_FROM_LOCAL_DIR,
          template_handler._PLACEHOLDER_PIPELINE_NAME: pipeline_name,
      }
      src.write_text(self._PLACEHOLDER_TEST_DATA_BEFORE)
      template_handler._copy_and_replace_placeholder_file(
          src.full_path, dst.full_path, replace_dict
      )
      # pylint: enable=protected-access
      self.assertEqual(
          dst.read_text(), self._PLACEHOLDER_TEST_DATA_AFTER
      )
  
file_path: tfx/tfx/tools/cli/handler/template_handler_test.py
imports: import os
  import tensorflow
  from tfx.tools.cli import labels
  from tfx.tools.cli.handler import template_handler
label_desc: Use image node_id 4 for calling the TemplateHandlerTest obj's underlying member method code with example usage: obj.testReplacePlaceHolder() without return types