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import time
import unittest
import rpyc
class TestAsync(unittest.TestCase):
def setUp(self):
self.conn = rpyc.classic.connect_thread()
self.a_sleep = rpyc.async_(self.conn.modules.time.sleep)
self.a_int = rpyc.async_(self.conn.builtin.int)
def tearDown(self):
self.conn.close()
def test_asyncresult_api(self):
res = self.a_sleep(2)
self.assertFalse(res.ready)
res.wait()
self.assertTrue(res.ready)
self.assertFalse(res.expired)
self.assertFalse(res.error)
self.assertEqual(res.value, None)
def test_asyncresult_expiry(self):
res = self.a_sleep(5)
res.set_expiry(4)
t0 = time.time()
self.assertRaises(rpyc.AsyncResultTimeout, res.wait)
dt = time.time() - t0
# print(f"timed out after {dt}")
self.assertTrue(dt >= 3.5, str(dt))
self.assertTrue(dt <= 4.5, str(dt))
def test_asyncresult_callbacks(self):
res = self.a_sleep(2)
visited = []
def f(res):
assert res.ready
assert not res.error
visited.append("f")
def g(res):
visited.append("g")
res.add_callback(f)
res.add_callback(g)
res.wait()
self.assertEqual(set(visited), set(["f", "g"]))
def test_timed(self):
timed_sleep = rpyc.timed(self.conn.modules.time.sleep, 5)
res = timed_sleep(3)
res.value
res = timed_sleep(7)
self.assertRaises(rpyc.AsyncResultTimeout, lambda: res.value)
def test_exceptions(self):
res = self.a_int("foo")
res.wait()
self.assertTrue(res.error)
self.assertRaises(ValueError, lambda: res.value)
if __name__ == "__main__":
unittest.main()
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