code: def test_profile_exceptions(self):
      logdir = self.get_temp_dir()
      profiler.start(logdir)
      with self.assertRaises(errors.AlreadyExistsError):
          profiler.start(logdir)
  
      profiler.stop()
      with self.assertRaises(errors.UnavailableError):
          profiler.stop()
  
      # Test with a bad logdir, and it correctly raises exception and deletes
      # profiler.
      # pylint: disable=anomalous-backslash-in-string
      profiler.start("/dev/null/\/\/:123")
      # pylint: enable=anomalous-backslash-in-string
      with self.assertRaises(Exception):
          profiler.stop()
      profiler.start(logdir)
      profiler.stop()
  
file_path: tensorflow/tensorflow/python/profiler/profiler_v2_test.py
imports: import os
  import socket
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import gfile
  from tensorflow.python.profiler import profiler_v2
  from tensorflow.python.profiler import trace
label_desc: Use image node_id 1 for calling the ProfilerTest obj's underlying member method code with example usage: obj.test_profile_exceptions() without return types