python-eventlet/tests/isolated/env_tpool_zero.py

   1 __test__ = False
   2
   3 if __name__ == '__main__':
   4     import warnings
   5     from eventlet import tpool
   6     g = [False]
   7
   8     def do():
   9         g[0] = True
  10
  11     with warnings.catch_warnings(record=True) as ws:
  12         warnings.simplefilter('always')
  13
  14         tpool.execute(do)
  15
  16         assert len(ws) == 1
  17         msg = str(ws[0].message)
  18         assert 'Zero threads in tpool' in msg
  19         assert 'EVENTLET_THREADPOOL_SIZE' in msg
  20
  21     assert g[0]
  22     print('pass')