forked from goodboy/tractor
1
0
Fork 0

Add a deep nested error propagation test

bug_in_debug
Tyler Goodlet 2020-10-06 09:21:53 -04:00
parent 2b53c74b1c
commit abf8bb2813
3 changed files with 81 additions and 2 deletions

View File

@ -0,0 +1,58 @@
import tractor
async def name_error():
"Raise a ``NameError``"
getattr(doggypants)
async def breakpoint_forever():
"Indefinitely re-enter debugger in child actor."
while True:
await tractor.breakpoint()
async def spawn_until(depth=0):
""""A nested nursery that triggers another ``NameError``.
"""
async with tractor.open_nursery() as n:
if depth < 1:
# await n.run_in_actor('breakpoint_forever', breakpoint_forever)
await n.run_in_actor('name_error', name_error)
else:
depth -= 1
await n.run_in_actor(f'spawn_until_{depth}', spawn_until, depth=depth)
async def main():
"""The main ``tractor`` routine.
The process tree should look as approximately as follows when the debugger
first engages:
python examples/debugging/multi_nested_subactors_bp_forever.py
python -m tractor._child --uid ('spawner1', '7eab8462 ...)
python -m tractor._child --uid ('spawn_until_3', 'afcba7a8 ...)
python -m tractor._child --uid ('spawn_until_2', 'd2433d13 ...)
python -m tractor._child --uid ('spawn_until_1', '1df589de ...)
python -m tractor._child --uid ('spawn_until_0', '3720602b ...)
python -m tractor._child --uid ('spawner0', '1d42012b ...)
python -m tractor._child --uid ('spawn_until_2', '2877e155 ...)
python -m tractor._child --uid ('spawn_until_1', '0502d786 ...)
python -m tractor._child --uid ('spawn_until_0', 'de918e6d ...)
"""
async with tractor.open_nursery() as n:
# spawn both actors
portal = await n.run_in_actor('spawner0', spawn_until, depth=3)
portal1 = await n.run_in_actor('spawner1', spawn_until, depth=4)
# gah still an issue here.
# await portal.result()
# await portal1.result()
if __name__ == '__main__':
tractor.run(main, debug_mode=True)

View File

@ -19,8 +19,8 @@ async def main():
The process tree should look as approximately as follows:
-python examples/debugging/multi_subactors.py
|-python -m tractor._child --uid ('name_error', 'a7caf490 ...)
python examples/debugging/multi_subactors.py
python -m tractor._child --uid ('name_error', 'a7caf490 ...)
`-python -m tractor._child --uid ('spawn_error', '52ee14a5 ...)
`-python -m tractor._child --uid ('name_error', '3391222c ...)
"""

View File

@ -310,3 +310,24 @@ def test_multi_subactors_root_errors(spawn):
before = str(child.before.decode())
assert "AssertionError" in before
def test_multi_nested_subactors_error_through_nurseries(spawn):
"""Verify deeply nested actors that error trigger debugger entries
at each level up the tree.
"""
# TODO: inside this script there's still a bug where if the parent
# errors before a 2 levels lower actor has released the lock, the
# parent tries to cancel it but it's stuck in the debugger?
child = spawn('multi_nested_subactors_error_up_through_nurseries')
for _ in range(12):
child.expect(r"\(Pdb\+\+\)")
child.sendline('c')
child.expect(pexpect.EOF)
before = str(child.before.decode())
assert "NameError" in before