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tractor/tractor/testing/_tractor_test.py

65 lines
1.7 KiB
Python

import inspect
import platform
from functools import partial, wraps
from tractor import run
__all__ = ['tractor_test']
def tractor_test(fn):
"""
Use:
@tractor_test
async def test_whatever():
await ...
If fixtures:
- ``arb_addr`` (a socket addr tuple where arbiter is listening)
- ``loglevel`` (logging level passed to tractor internals)
- ``start_method`` (subprocess spawning backend)
are defined in the `pytest` fixture space they will be automatically
injected to tests declaring these funcargs.
"""
@wraps(fn)
def wrapper(
*args,
loglevel=None,
arb_addr=None,
start_method=None,
**kwargs
):
# __tracebackhide__ = True
if 'arb_addr' in inspect.signature(fn).parameters:
# injects test suite fixture value to test as well
# as `run()`
kwargs['arb_addr'] = arb_addr
if 'loglevel' in inspect.signature(fn).parameters:
# allows test suites to define a 'loglevel' fixture
# that activates the internal logging
kwargs['loglevel'] = loglevel
if start_method is None:
if platform.system() == "Windows":
start_method = 'spawn'
else:
start_method = 'trio'
if 'start_method' in inspect.signature(fn).parameters:
# set of subprocess spawning backends
kwargs['start_method'] = start_method
return run(
partial(fn, *args, **kwargs),
arbiter_addr=arb_addr,
loglevel=loglevel,
start_method=start_method,
)
return wrapper