def test_acquire_same_lock_twice_blocking_without_timeout(self):
assert not self.redis.exists(self.redlock.key)
with ContextTimer() as timer:
assert self.redlock.acquire()
assert self.redis.exists(self.redlock.key)
assert self.redlock.acquire()
assert self.redis.exists(self.redlock.key)
assert timer.elapsed() >= self.redlock.auto_release_time
def setUp(self):
super().setUp()
self.timer = ContextTimer()
class ContextTimerTests(TestCase):
ACCURACY = 50 # in milliseconds
def setUp(self):
super().setUp()
self.timer = ContextTimer()
def _confirm_elapsed(self, expected):
got = round(self.timer.elapsed() / self.ACCURACY) * self.ACCURACY
assert got == expected, '{} != {}'.format(got, expected)
def test_start_stop_and_elapsed(self):
# timer hasn't been started
with self.assertRaises(RuntimeError):
self.timer.elapsed()
with self.assertRaises(RuntimeError):
self.timer.stop()
# timer has been started but not stopped
self.timer.start()
with self.assertRaises(RuntimeError):
self.timer.start()
time.sleep(0.1)
self._confirm_elapsed(1*100)
self.timer.stop()
# timer has been stopped
with self.assertRaises(RuntimeError):
self.timer.start()
time.sleep(0.1)
self._confirm_elapsed(1*100)
with self.assertRaises(RuntimeError):
self.timer.stop()
def test_context_manager(self):
with self.timer:
self._confirm_elapsed(0)
for iteration in range(1, 3):
with self.subTest(iteration=iteration):
time.sleep(0.1)
self._confirm_elapsed(iteration*100)
self._confirm_elapsed(iteration*100)
time.sleep(0.1)
self._confirm_elapsed(iteration*100)
with self.assertRaises(RuntimeError), self.timer:
...
def setUp(self):
super().setUp()
self.timer = ContextTimer()
class ContextTimerTests(TestCase):
ACCURACY = 50 # in milliseconds
def setUp(self):
super().setUp()
self.timer = ContextTimer()
def _confirm_elapsed(self, expected):
got = round(self.timer.elapsed() / self.ACCURACY) * self.ACCURACY
assert got == expected, '{} != {}'.format(got, expected)
def test_start_stop_and_elapsed(self):
# timer hasn't been started
with self.assertRaises(RuntimeError):
self.timer.elapsed()
with self.assertRaises(RuntimeError):
self.timer.stop()
# timer has been started but not stopped
self.timer.start()
with self.assertRaises(RuntimeError):
self.timer.start()
time.sleep(0.1)
self._confirm_elapsed(1 * 100)
self.timer.stop()
# timer has been stopped
with self.assertRaises(RuntimeError):
self.timer.start()
time.sleep(0.1)
self._confirm_elapsed(1 * 100)
with self.assertRaises(RuntimeError):
self.timer.stop()
def test_context_manager(self):
with self.timer:
self._confirm_elapsed(0)
for iteration in range(1, 3):
with self.subTest(iteration=iteration):
time.sleep(0.1)
self._confirm_elapsed(iteration * 100)
self._confirm_elapsed(iteration * 100)
time.sleep(0.1)
self._confirm_elapsed(iteration * 100)
with self.assertRaises(RuntimeError), self.timer:
...