def cry(out=None, sepchr='=', seplen=49): # pragma: no cover
"""Return stack-trace of all active threads.
See Also:
Taken from https://gist.github.com/737056.
"""
import threading
out = WhateverIO() if out is None else out
P = partial(print, file=out)
# get a map of threads by their ID so we can print their names
# during the traceback dump
tmap = {t.ident: t for t in threading.enumerate()}
sep = sepchr * seplen
for tid, frame in sys._current_frames().items():
thread = tmap.get(tid)
if not thread:
# skip old junk (left-overs from a fork)
continue
P(f'{thread.name}')
P(sep)
traceback.print_stack(frame, file=out)
P(sep)
P('LOCAL VARIABLES')
P(sep)
pprint(frame.f_locals, stream=out)
P('\n')
return out.getvalue()
def test_write_reread_fails(self, open_, fdopen, osopen, getpid, fsync):
getpid.return_value = 1816
osopen.return_value = 13
w = fdopen.return_value = WhateverIO()
w.close = Mock()
r = open_.return_value = WhateverIO()
r.write('11816\n')
r.seek(0)
p = Pidfile('/var/pid')
with pytest.raises(LockFailed):
p.write_pid()
def test_get_avail_port(self, sock):
out = WhateverIO()
sock.return_value.accept.return_value = (Mock(), ['helu'])
with Rdb(out=out):
pass
with patch('celery.contrib.rdb.current_process') as curproc:
curproc.return_value.name = 'PoolWorker-10'
with Rdb(out=out):
pass
err = sock.return_value.bind.side_effect = SockErr()
err.errno = errno.ENOENT
with pytest.raises(SockErr):
with Rdb(out=out):
pass
err.errno = errno.EADDRINUSE
with pytest.raises(Exception):
with Rdb(out=out):
pass
called = [0]
def effect(*a, **kw):
try:
if called[0] > 50:
return True
raise err
finally:
called[0] += 1
sock.return_value.bind.side_effect = effect
with Rdb(out=out):
pass
def test_run(self):
l = list_(app=self.app, stderr=WhateverIO())
l.run('bindings')
with pytest.raises(Error):
l.run(None)
with pytest.raises(Error):
l.run('foo')
def test_rdb(self, get_avail_port):
sock = Mock()
get_avail_port.return_value = (sock, 8000)
sock.accept.return_value = (Mock(), ['helu'])
out = WhateverIO()
with Rdb(out=out) as rdb:
get_avail_port.assert_called()
assert 'helu' in out.getvalue()
# set_quit
with patch('sys.settrace') as settrace:
rdb.set_quit()
settrace.assert_called_with(None)
# set_trace
with patch('celery.contrib.rdb.Pdb.set_trace') as pset:
with patch('celery.contrib.rdb._frame'):
rdb.set_trace()
rdb.set_trace(Mock())
pset.side_effect = SockErr
pset.side_effect.errno = errno.ENOENT
with pytest.raises(SockErr):
rdb.set_trace()
# _close_session
rdb._close_session()
rdb.active = True
rdb._handle = None
rdb._client = None
rdb._sock = None
rdb._close_session()
# do_continue
rdb.set_continue = Mock()
rdb.do_continue(Mock())
rdb.set_continue.assert_called_with()
# do_quit
rdb.set_quit = Mock()
rdb.do_quit(Mock())
rdb.set_quit.assert_called_with()
def test_write_pid(self, open_, fdopen, osopen, getpid, fsync):
getpid.return_value = 1816
osopen.return_value = 13
w = fdopen.return_value = WhateverIO()
w.close = Mock()
r = open_.return_value = WhateverIO()
r.write('1816\n')
r.seek(0)
p = Pidfile('/var/pid')
p.write_pid()
w.seek(0)
assert w.readline() == '1816\n'
w.close.assert_called()
getpid.assert_called_with()
osopen.assert_called_with(
p.path, platforms.PIDFILE_FLAGS, platforms.PIDFILE_MODE,
)
fdopen.assert_called_with(13, 'w')
fsync.assert_called_with(13)
open_.assert_called_with(p.path)
def test_to_dot(self):
s = WhateverIO()
self.graph1().to_dot(s)
assert s.getvalue()
def test_list_bindings_no_support(self):
l = list_(app=self.app, stderr=WhateverIO())
management = Mock()
management.get_bindings.side_effect = NotImplementedError()
with pytest.raises(Error):
l.list_bindings(management)