Test failures with Python 3.14.0b1: implicit event loop creation has been removed #265
Description
I try to build PyHamcrest with Python 3.14.0b1 for Fedora Linux, but the tests fail: implicit event loop creation has been removed: https://docs.python.org/dev/whatsnew/3.14.html#id7
The traceback:
_ FutureExceptionTest.testDoesNotMatchExceptionIfRegularExpressionDoesNotMatch _
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchExceptionIfRegularExpressionDoesNotMatch>
def testDoesNotMatchExceptionIfRegularExpressionDoesNotMatch(self):
async def test():
self.assert_does_not_match(
"Bad regex",
future_raising(AssertionError, "Phrase not found"),
await resolved(raise_exception()),
)
self.assert_mismatch_description(
'''Correct assertion type raised, but the expected pattern ("Phrase not found") not found. Exception message was: "(){}"''',
future_raising(AssertionError, "Phrase not found"),
await resolved(raise_exception()),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:124:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
___________ FutureExceptionTest.testDoesNotMatchIfActualIsNotAFuture ___________
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfActualIsNotAFuture>
def testDoesNotMatchIfActualIsNotAFuture(self):
async def test():
self.assert_does_not_match("Not a future", future_raising(TypeError), 23)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:50:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
_____ FutureExceptionTest.testDoesNotMatchIfAdditionalMatchersDoesNotMatch _____
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfAdditionalMatchersDoesNotMatch>
def testDoesNotMatchIfAdditionalMatchersDoesNotMatch(self):
async def test():
self.assert_does_not_match(
"Bad properties",
future_raising(AssertionError, matching=has_properties(prop="prip")),
await resolved(raise_exception_with_properties(prip="prop")),
)
self.assert_mismatch_description(
'''Correct assertion type raised, but an object with a property 'prop' matching 'prip' not found. Exception message was: "boom"''',
future_raising(AssertionError, matching=has_properties(prop="prip")),
await resolved(raise_exception_with_properties(prip="prop")),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:165:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
_______ FutureExceptionTest.testDoesNotMatchIfFutureDoesNotHaveException _______
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfFutureDoesNotHaveException>
def testDoesNotMatchIfFutureDoesNotHaveException(self):
async def test():
self.assert_does_not_match(
"No exception", future_raising(ValueError), await resolved(no_exception())
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:109:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
___ FutureExceptionTest.testDoesNotMatchIfFutureHasTheWrongExceptionTypePy37 ___
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfFutureHasTheWrongExceptionTypePy37>
@pytest.mark.skipif(sys.version_info < (3, 7), reason="Message differs between Python versions")
def testDoesNotMatchIfFutureHasTheWrongExceptionTypePy37(self):
async def test():
self.assert_does_not_match(
"Wrong exception", future_raising(IOError), await resolved(raise_exception())
)
expected_message = (
"AssertionError('(){}') of type <class 'AssertionError'> was raised instead"
)
self.assert_mismatch_description(
expected_message, future_raising(TypeError), await resolved(raise_exception())
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:91:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
___________ FutureExceptionTest.testDoesNotMatchIfFutureIsCancelled ____________
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfFutureIsCancelled>
def testDoesNotMatchIfFutureIsCancelled(self):
> future = asyncio.Future()
tests/hamcrest_unit_test/core/future_test.py:57:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
____________ FutureExceptionTest.testDoesNotMatchIfFutureIsNotDone _____________
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfFutureIsNotDone>
def testDoesNotMatchIfFutureIsNotDone(self):
> future = asyncio.Future()
tests/hamcrest_unit_test/core/future_test.py:53:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
______ FutureExceptionTest.testDoesNotMatchIfNeitherPatternOrMatcherMatch ______
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testDoesNotMatchIfNeitherPatternOrMatcherMatch>
def testDoesNotMatchIfNeitherPatternOrMatcherMatch(self):
async def test():
self.assert_does_not_match(
"Bad pattern and properties",
future_raising(
AssertionError, pattern="asdf", matching=has_properties(prop="prip")
),
await resolved(raise_exception_with_properties(prip="prop")),
)
self.assert_mismatch_description(
'''Correct assertion type raised, but the expected pattern ("asdf") and an object with a property 'prop' matching 'prip' not found. Exception message was: "boom"''',
future_raising(
AssertionError, pattern="asdf", matching=has_properties(prop="prip")
),
await resolved(raise_exception_with_properties(prip="prop")),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:184:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
______ FutureExceptionTest.testMachesIfExceptionMatchesAdditionalMatchers ______
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testMachesIfExceptionMatchesAdditionalMatchers>
def testMachesIfExceptionMatchesAdditionalMatchers(self):
async def test():
self.assert_matches(
"Properties",
future_raising(AssertionError, matching=has_properties(prip="prop")),
await resolved(raise_exception_with_properties(prip="prop")),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:150:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
__ FutureExceptionTest.testMatchesIfFutureHasASubclassOfTheExpectedException ___
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testMatchesIfFutureHasASubclassOfTheExpectedException>
def testMatchesIfFutureHasASubclassOfTheExpectedException(self):
async def test():
self.assert_matches(
"Subclassed Exception",
future_raising(Exception),
await resolved(raise_exception()),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:101:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
_____ FutureExceptionTest.testMatchesIfFutureHasTheExactExceptionExpected ______
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testMatchesIfFutureHasTheExactExceptionExpected>
def testMatchesIfFutureHasTheExactExceptionExpected(self):
async def test():
self.assert_matches(
"Right exception",
future_raising(AssertionError),
await resolved(raise_exception()),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:44:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError
____ FutureExceptionTest.testMatchesRegularExpressionToStringifiedException ____
self = <hamcrest_unit_test.core.future_test.FutureExceptionTest testMethod=testMatchesRegularExpressionToStringifiedException>
def testMatchesRegularExpressionToStringifiedException(self):
async def test():
self.assert_matches(
"Regex",
future_raising(AssertionError, "(3, 1, 4)"),
await resolved(raise_exception(3, 1, 4)),
)
self.assert_matches(
"Regex",
future_raising(AssertionError, r"([\d, ]+)"),
await resolved(raise_exception(3, 1, 4)),
)
> asyncio.get_event_loop().run_until_complete(test())
tests/hamcrest_unit_test/core/future_test.py:140:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <asyncio.unix_events._UnixDefaultEventLoopPolicy object at 0x7fcd16ee82f0>
def get_event_loop(self):
"""Get the event loop for the current context.
Returns an instance of EventLoop or raises an exception.
"""
if self._local._loop is None:
> raise RuntimeError('There is no current event loop in thread %r.'
% threading.current_thread().name)
E RuntimeError: There is no current event loop in thread 'MainThread'.
/usr/lib64/python3.14/asyncio/events.py:718: RuntimeError