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# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
import asyncio
import sys
import warnings
from unittest import TestCase
import pytest
from hypothesis import assume, given, strategies as st
from hypothesis.internal.compat import PYPY
if sys.version_info < (3, 8):
coro_decorator = asyncio.coroutine
else:
def coro_decorator(f):
with warnings.catch_warnings():
warnings.simplefilter(action="ignore", category=DeprecationWarning)
return asyncio.coroutine(f)
class TestAsyncio(TestCase):
timeout = 5
def setUp(self):
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(self.loop)
def tearDown(self):
self.loop.close()
def execute_example(self, f):
error = None
def g():
nonlocal error
try:
x = f()
if x is not None:
yield from x
except BaseException as e:
error = e
coro = coro_decorator(g)
future = asyncio.wait_for(coro(), timeout=self.timeout)
self.loop.run_until_complete(future)
if error is not None:
raise error
@pytest.mark.skipif(PYPY, reason="Error in asyncio.new_event_loop()")
@given(x=st.text())
@coro_decorator
def test_foo(self, x):
assume(x)
yield from asyncio.sleep(0.001)
assert x
class TestAsyncioRun(TestCase):
def execute_example(self, f):
asyncio.run(f())
@given(x=st.text())
@coro_decorator
def test_foo(self, x):
assume(x)
yield from asyncio.sleep(0.001)
assert x
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