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Issue a warning for async gen functions

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Co-Authored-By: Bruno Oliveira <nicoddemus@gmail.com>
This commit is contained in:
Thomas Grainger
2019-08-12 21:58:10 +01:00
committed by Bruno Oliveira
parent a295a3ddaf
commit 2f1b192fe6
5 changed files with 69 additions and 16 deletions
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10
src/_pytest/python.py
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@@ -23,6 +23,7 @@ from _pytest.compat import getfslineno
from _pytest.compat import getimfunc
from _pytest.compat import getlocation
from _pytest.compat import is_generator
from _pytest.compat import iscoroutinefunction
from _pytest.compat import NOTSET
from _pytest.compat import REGEX_TYPE
from _pytest.compat import safe_getattr
@@ -151,15 +152,16 @@ def pytest_configure(config):
@hookimpl(trylast=True)
def pytest_pyfunc_call(pyfuncitem):
testfunction = pyfuncitem.obj
iscoroutinefunction = getattr(inspect, "iscoroutinefunction", None)
if iscoroutinefunction is not None and iscoroutinefunction(testfunction):
msg = "Coroutine functions are not natively supported and have been skipped.\n"
if iscoroutinefunction(testfunction) or (
sys.version_info >= (3, 6) and inspect.isasyncgenfunction(testfunction)
):
msg = "async def functions are not natively supported and have been skipped.\n"
msg += "You need to install a suitable plugin for your async framework, for example:\n"
msg += " - pytest-asyncio\n"
msg += " - pytest-trio\n"
msg += " - pytest-tornasync"
warnings.warn(PytestUnhandledCoroutineWarning(msg.format(pyfuncitem.nodeid)))
skip(msg="coroutine function and no async plugin installed (see warnings)")
skip(msg="async def function and no async plugin installed (see warnings)")
funcargs = pyfuncitem.funcargs
testargs = {arg: funcargs[arg] for arg in pyfuncitem._fixtureinfo.argnames}
testfunction(**testargs)