From 2e9cbec93cdb3cbd9c2d09e50b1beab0383a284d Mon Sep 17 00:00:00 2001 From: Tyler Goodlet Date: Tue, 12 Jun 2018 15:23:58 -0400 Subject: [PATCH] Add a basic `tractor.run()` test --- tests/test_tractor.py | 41 +++++++++++++++++++++++++++++++++++------ 1 file changed, 35 insertions(+), 6 deletions(-) diff --git a/tests/test_tractor.py b/tests/test_tractor.py index ed9e184..5662c0a 100644 --- a/tests/test_tractor.py +++ b/tests/test_tractor.py @@ -1,7 +1,10 @@ """ Actor model API testing """ +import time + import pytest +import trio from piker import tractor @@ -10,14 +13,39 @@ def us_symbols(): return ['TSLA', 'AAPL', 'CGC', 'CRON'] +@pytest.mark.trio +async def test_no_arbitter(): + """An arbitter must be established before any nurseries + can be created. + + (In other words ``tractor.run`` must be used instead of ``trio.run`` as is + done by the ``pytest-trio`` plugin.) + """ + with pytest.raises(RuntimeError): + with tractor.open_nursery() as nursery: + pass + + +def test_local_actor_async_gen(): + """Verify a simple async function in-process. + """ + async def print_loop(actor): + for i in range(10): + await trio.sleep(0.1) + + start = time.time() + tractor.run(print_loop) + # ensure the sleeps were actually awaited + assert time.time() - start >= 1 + + @pytest.mark.trio async def test_rx_price_quotes_from_brokerd(us_symbols): """Verify we can spawn a daemon actor and retrieve streamed price data. """ - async with tractor.open_nursery() as nursery: - - # only one per host address, spawns an actor if None - async with tractor.find_actors('brokerd') as portals: + async with tractor.find_actor('brokerd') as portals: + async with tractor.open_nursery() as nursery: + # only one per host address, spawns an actor if None if not portals: # no brokerd actor found portal = await nursery.start_actor( @@ -28,7 +56,7 @@ async def test_rx_price_quotes_from_brokerd(us_symbols): 'clients': {}, 'dtasks': set() }, - main=None, + main=None, # don't start a main func - use rpc ) # gotta expose in a broker agnostic way... @@ -53,5 +81,6 @@ async def test_rx_price_quotes_from_brokerd(us_symbols): # await gen.asend(None) # break - await nursery.cancel() # arbitter is cancelled here due to `find_actors()` internals + # (which internally uses `get_arbiter` which kills the root + # nursery on __exit__)