text: #!/usr/bin/env python
  # This script runs all the integration tests for RLlib.
  # TODO(ekl) add large-scale tests on different envs here.
  
  import glob
  import yaml
  
  import ray
  from ray.tune import run_experiments
  
  
  if __name__ == '__main__':
      experiments = {}
  
      for test in glob.glob("regression_tests/*.yaml"):
          config = yaml.load(open(test).read())
          experiments.update(config)
  
      print("== Test config ==")
      print(yaml.dump(experiments))
  
      ray.init()
      trials = run_experiments(experiments)
  
      num_failures = 0
      for t in trials:
          if (t.last_result.episode_reward_mean <
                  t.stopping_criterion["episode_reward_mean"]):
              num_failures += 1
  
      if num_failures:
          raise Exception(
              "{} trials did not converge".format(num_failures))
  