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tractor/tests/test_discovery.py

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"""
Actor "discovery" testing
"""
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import pytest
import tractor
import trio
from conftest import tractor_test
@tractor_test
async def test_reg_then_unreg(arb_addr):
actor = tractor.current_actor()
assert actor.is_arbiter
assert len(actor._registry) == 1 # only self is registered
async with tractor.open_nursery() as n:
portal = await n.start_actor('actor', rpc_module_paths=[__name__])
uid = portal.channel.uid
async with tractor.get_arbiter(*arb_addr) as aportal:
# local actor should be the arbiter
assert actor is aportal.actor
# sub-actor uid should be in the registry
await trio.sleep(0.1) # registering is async, so..
assert uid in aportal.actor._registry
sockaddrs = actor._registry[uid]
# XXX: can we figure out what the listen addr will be?
assert sockaddrs
await n.cancel() # tear down nursery
await trio.sleep(0.1)
assert uid not in aportal.actor._registry
sockaddrs = actor._registry[uid]
assert not sockaddrs
the_line = 'Hi my name is {}'
async def hi():
return the_line.format(tractor.current_actor().name)
async def say_hello(other_actor):
await trio.sleep(0.4) # wait for other actor to spawn
async with tractor.find_actor(other_actor) as portal:
return await portal.run(__name__, 'hi')
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async def say_hello_use_wait(other_actor):
async with tractor.wait_for_actor(other_actor) as portal:
result = await portal.run(__name__, 'hi')
return result
@tractor_test
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@pytest.mark.parametrize('func', [say_hello, say_hello_use_wait])
async def test_trynamic_trio(func):
"""Main tractor entry point, the "master" process (for now
acts as the "director").
"""
async with tractor.open_nursery() as n:
print("Alright... Action!")
donny = await n.run_in_actor(
'donny',
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func,
other_actor='gretchen',
)
gretchen = await n.run_in_actor(
'gretchen',
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func,
other_actor='donny',
)
print(await gretchen.result())
print(await donny.result())
print("CUTTTT CUUTT CUT!!?! Donny!! You're supposed to say...")