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Add multi-broker streaming test using both `binance` and `kraken`

agg_feedz
Tyler Goodlet 2022-11-11 17:27:02 -05:00
parent 7bbe86d6fb
commit e348968113
1 changed files with 50 additions and 49 deletions
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29
tests/test_feeds.py
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@ -6,7 +6,7 @@ from collections import Counter
from pprint import pprint
import pytest
import tractor
# import tractor
import trio
from piker import (
open_piker_runtime,
@ -21,12 +21,18 @@ from piker.data._source import (
@pytest.mark.parametrize(
'fqsns',
[
# binance
(100, {'btcusdt.binance', 'ethusdt.binance'}),
(50, {'xbteur.kraken', 'xbtusd.kraken'}),
# kraken
(20, {'xbteur.kraken', 'xbtusd.kraken'}),
# binance + kraken
(200, {'btcusdt.binance', 'xbtusd.kraken'}),
],
ids=lambda param: f'quotes={param[0]}@fqsns={param[1]}',
)
def test_basic_rt_feed(
def test_multi_fqsn_feed(
fqsns: set[str],
):
'''
@ -41,10 +47,6 @@ def test_basic_rt_feed(
brokername, key, suffix = unpack_fqsn(fqsn)
brokers.add(brokername)
# NOTE: we only have single broker-backed multi-symbol streams
# currently.
assert len(brokers) == 1
async def main():
async with (
open_piker_runtime(
@ -52,9 +54,9 @@ def test_basic_rt_feed(
# XXX tractor BUG: this doesn't translate through to the
# ``tractor._state._runtimevars``...
registry_addr=('127.0.0.1', 6666),
# registry_addr=('127.0.0.1', 6666),
# debug_mode=True,
debug_mode=True,
),
open_feed(
fqsns,
@ -73,13 +75,12 @@ def test_basic_rt_feed(
ohlcv: ShmArray = flume.rt_shm
hist_ohlcv: ShmArray = flume.hist_shm
# stream some ticks and ensure we see data from both symbol
# subscriptions.
stream = feed.streams[brokername]
async with feed.open_multi_stream(brokers) as stream:
# pull the first startup quotes, one for each fqsn, and
# ensure they match each flume's startup quote value.
fqsns_copy = fqsns.copy()
with trio.fail_after(0.5):
for _ in range(1):
first_quotes = await stream.receive()
for fqsn, quote in first_quotes.items():
@ -95,6 +96,7 @@ def test_basic_rt_feed(
assert quote['last'] == flume.first_quote['last']
cntr = Counter()
with trio.fail_after(3):
async for quotes in stream:
for fqsn, quote in quotes.items():
cntr[fqsn] += 1
@ -118,10 +120,9 @@ def test_basic_rt_feed(
f'hist_ohlc: {hist_row}\n'
)
if cntr.total() >= 100:
if cntr.total() >= max_quotes:
break
# await tractor.breakpoint()
assert set(cntr.keys()) == fqsns
trio.run(main)