From 03c57ceece22be29c97274446a1bd3296de8c8ad Mon Sep 17 00:00:00 2001 From: Tyler Goodlet Date: Thu, 7 Jun 2018 00:29:17 -0400 Subject: [PATCH] Add an initial `tractor` price streaming test --- tests/test_tractor.py | 57 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 tests/test_tractor.py diff --git a/tests/test_tractor.py b/tests/test_tractor.py new file mode 100644 index 0000000..ed9e184 --- /dev/null +++ b/tests/test_tractor.py @@ -0,0 +1,57 @@ +""" +Actor model API testing +""" +import pytest +from piker import tractor + + +@pytest.fixture +def us_symbols(): + return ['TSLA', 'AAPL', 'CGC', 'CRON'] + + +@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: + if not portals: + # no brokerd actor found + portal = await nursery.start_actor( + 'brokerd', + ['piker.brokers.core'], + statespace={ + 'brokers2tickersubs': {}, + 'clients': {}, + 'dtasks': set() + }, + main=None, + ) + + # gotta expose in a broker agnostic way... + # retrieve initial symbol data + # sd = await portal.run( + # 'piker.brokers.core', 'symbol_data', symbols=us_symbols) + # assert list(sd.keys()) == us_symbols + + gen = await portal.run( + 'piker.brokers.core', + '_test_price_stream', + broker='robinhood', + symbols=us_symbols, + ) + # it'd sure be nice to have an asyncitertools here... + async for quotes in gen: + assert quotes + for key in quotes: + assert key in us_symbols + break + # terminate far-end async-gen + # await gen.asend(None) + # break + + await nursery.cancel() + # arbitter is cancelled here due to `find_actors()` internals