def _launch_task(self, coro, *args, **kwargs):
task_fn = functools.partial(coro, *args, **kwargs)
try:
self._task = interruptable_task(task_fn)
result = yield self._task
raise Return(result)
finally:
self._task = None
def _launch_task(self, coro, *args, **kwargs):
"""Launch a coroutine as a task, making sure to make it interruptable."""
task_fn = functools.partial(coro, *args, **kwargs)
try:
self._task = interruptable_task(task_fn)
result = yield self._task
raise Return(result)
finally:
self._task = None
async def test_interrupted(self):
"""Test interrupt future being interrupted"""
async def task_fn(cancellable):
cancellable.interrupt(RuntimeError('STOP'))
task_fut = interruptable_task(task_fn)
try:
await task_fut
except RuntimeError as err:
assert str(err) == 'STOP'
else:
raise AssertionError('ExpectedException not raised')
async def test_future_already_set(self):
"""Test interrupt future being set before coroutine is done"""
async def task_fn(cancellable):
fut = asyncio.Future()
async def coro():
fut.set_result('I am done')
await cancellable.with_interrupt(coro())
cancellable.set_result('NOT ME!!!')
return fut.result()
task_fut = interruptable_task(task_fn)
result = await task_fut
assert result == 'NOT ME!!!'
async def test_task(self):
"""Test coroutine run and succed"""
async def task_fn(cancellable):
fut = asyncio.Future()
async def coro():
fut.set_result('I am done')
await cancellable.with_interrupt(coro())
return fut.result()
task_fut = interruptable_task(task_fn)
result = await task_fut
assert isinstance(task_fut, InterruptableFuture)
assert task_fut.done()
assert result == 'I am done'