text: import logging
  import re
  import subprocess
  
  BENCHMARK_CONFIG = """
  mock_benchmark:
    description: Illustrative mock example benchmark.
    region: us-east-1
  """
  
  
  def prepare(spec):
      logging.info('prepare(): building and deploying mock benchmark')
      spec['endpoint'] = f"https://my-function.com/{spec['region']}/invoke"
      proc = subprocess.run('pwd', capture_output=True, text=True, shell=True)
      spec['pwd'] = proc.stdout.rstrip()
      out = spec.run('git --version', image='alpine/git:v2.30.1', check=True).rstrip()
      # Sample output: "git version 2.30.1"
      spec['git_version'] = out.split()[2]
  
  
  def invoke(spec):
      logging.info('invoke(): invoke app a single time (via HTTP or other trigger)')
      res = re.search("https?://([A-Za-z_0-9.-]+).*", spec['endpoint'])
      domain_name = res.group(1)
      spec['result'] = domain_name
      logging.info(f"result={domain_name}")
  
  
  def cleanup(spec):
      logging.info('cleanup(): delete all functions and resources (e.g., test files or databases)')
  