piker/tests/conftest.py

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from contextlib import asynccontextmanager as acm
from functools import partial
import os
from typing import AsyncContextManager
from pathlib import Path
from shutil import rmtree
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import pytest
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import tractor
from piker import (
# log,
config,
)
from piker._daemon import (
Services,
)
from piker.clearing._client import open_ems
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def pytest_addoption(parser):
parser.addoption("--ll", action="store", dest='loglevel',
default=None, help="logging level to set when testing")
parser.addoption("--confdir", default=None,
help="Use a practice API account")
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@pytest.fixture(scope='session')
def loglevel(request) -> str:
return request.config.option.loglevel
@pytest.fixture(scope='session')
def test_config():
dirname = os.path.dirname
dirpath = os.path.abspath(
os.path.join(
dirname(os.path.realpath(__file__)),
'data'
)
)
return dirpath
@pytest.fixture(scope='session', autouse=True)
def confdir(
request,
test_config: str,
):
'''
If the `--confdir` flag is not passed use the
broker config file found in that dir.
'''
confdir = request.config.option.confdir
if confdir is not None:
config._override_config_dir(confdir)
return confdir
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_ci_env: bool = os.environ.get('CI', False)
@pytest.fixture(scope='session')
def ci_env() -> bool:
'''
Detect CI envoirment.
'''
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return _ci_env
@acm
async def _open_test_pikerd(
reg_addr: tuple[str, int] | None = None,
loglevel: str = 'warning',
**kwargs,
) -> tuple[
str,
int,
tractor.Portal
]:
'''
Testing helper to startup the service tree and runtime on
a different port then the default to allow testing alongside
a running stack.
'''
import random
from piker._daemon import maybe_open_pikerd
if reg_addr is None:
port = random.randint(6e3, 7e3)
reg_addr = ('127.0.0.1', port)
async with (
maybe_open_pikerd(
registry_addr=reg_addr,
loglevel=loglevel,
**kwargs,
) as service_manager,
):
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# this proc/actor is the pikerd
assert service_manager is Services
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async with tractor.wait_for_actor(
'pikerd',
arbiter_sockaddr=reg_addr,
) as portal:
raddr = portal.channel.raddr
assert raddr == reg_addr
yield (
raddr[0],
raddr[1],
portal,
service_manager,
)
@pytest.fixture
def open_test_pikerd(
request,
loglevel: str,
):
yield partial(
_open_test_pikerd,
# bind in level from fixture, which is itself set by
# `--ll <value>` cli flag.
loglevel=loglevel,
)
# TODO: teardown checks such as,
# - no leaked subprocs or shm buffers
# - all requested container service are torn down
# - certain ``tractor`` runtime state?
@acm
async def _open_test_pikerd_and_ems(
fqsn,
mode,
loglevel,
open_test_pikerd
):
async with (
open_test_pikerd() as (_, _, _, services),
open_ems(
fqsn,
mode=mode,
loglevel=loglevel,
) as ems_services):
yield (services, ems_services)
@pytest.fixture
def open_test_pikerd_and_ems(
open_test_pikerd,
fqsn: str = 'xbtusdt.kraken',
mode: str = 'paper',
loglevel: str = 'info',
):
yield partial(
_open_test_pikerd_and_ems,
fqsn,
mode,
loglevel,
open_test_pikerd
)
@pytest.fixture(scope='session')
def delete_testing_dir():
'''This fixture removes the temp directory
used for storing all config/ledger/pp data
created during testing sessions
'''
yield
app_dir = Path(config.get_app_dir('piker')).resolve()
if app_dir.is_dir():
rmtree(str(app_dir))
assert not app_dir.is_dir()