async def test_coro_reject(self):
p = Promise(success_sleep(), loop=self.loop)
with self.assertRaisesRegex(RuntimeError, "Task does not support set_exception operation"):
p.reject(Exception("Should Fail"))
self.assertEqual(await p, SUCCESS_RESULT)
async def test_rejection(self):
promise = Promise(self.fut, log_unhandled_exception=False)
exc = Exception("test_rejection")
promise.reject(exc)
self.assertAsyncRaises(exc, promise)
self.assertAsyncRaises(exc, self.fut)