def test_ctor_loop(self): loop = unittest.mock.Mock() q = queues.Queue(loop=loop) self.assertIs(q._loop, loop) q = queues.Queue(loop=self.loop) self.assertIs(q._loop, self.loop)
def test_full(self): q = queues.Queue(loop=self.loop) self.assertFalse(q.full()) q = queues.Queue(maxsize=1, loop=self.loop) q.put_nowait(1) self.assertTrue(q.full())
def _test_repr_or_str(self, fn, expect_id): """Test Queue's repr or str. fn is repr or str. expect_id is True if we expect the Queue's id to appear in fn(Queue()). """ def gen(): when = yield self.assertAlmostEqual(0.1, when) when = yield 0.1 self.assertAlmostEqual(0.2, when) yield 0.1 loop = test_utils.TestLoop(gen) self.addCleanup(loop.close) q = queues.Queue(loop=loop) self.assertTrue(fn(q).startswith('<Queue'), fn(q)) id_is_present = hex(id(q)) in fn(q) self.assertEqual(expect_id, id_is_present) @tasks.coroutine def add_getter(): q = queues.Queue(loop=loop) # Start a task that waits to get. tasks.Task(q.get(), loop=loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=loop) self.assertTrue('_getters[1]' in fn(q)) # resume q.get coroutine to finish generator q.put_nowait(0) loop.run_until_complete(add_getter()) @tasks.coroutine def add_putter(): q = queues.Queue(maxsize=1, loop=loop) q.put_nowait(1) # Start a task that waits to put. tasks.Task(q.put(2), loop=loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=loop) self.assertTrue('_putters[1]' in fn(q)) # resume q.put coroutine to finish generator q.get_nowait() loop.run_until_complete(add_putter()) q = queues.Queue(loop=loop) q.put_nowait(1) self.assertTrue('_queue=[1]' in fn(q))
def test_blocking_put_wait(self): def gen(): when = yield self.assertAlmostEqual(0.01, when) yield 0.01 loop = test_utils.TestLoop(gen) self.addCleanup(loop.close) q = queues.Queue(maxsize=1, loop=loop) started = locks.Event(loop=loop) finished = False @tasks.coroutine def queue_put(): nonlocal finished started.set() yield from q.put(1) yield from q.put(2) finished = True @tasks.coroutine def queue_get(): loop.call_later(0.01, q.get_nowait) queue_put_task = tasks.Task(queue_put(), loop=loop) yield from started.wait() self.assertFalse(finished) yield from queue_put_task self.assertTrue(finished) loop.run_until_complete(queue_get()) self.assertAlmostEqual(0.01, loop.time())
def test_get_with_waiting_putters(self): q = queues.Queue(loop=self.loop, maxsize=1) tasks.Task(q.put('a'), loop=self.loop) tasks.Task(q.put('b'), loop=self.loop) test_utils.run_briefly(self.loop) self.assertEqual(self.loop.run_until_complete(q.get()), 'a') self.assertEqual(self.loop.run_until_complete(q.get()), 'b')
def test_get_cancelled(self): def gen(): when = yield self.assertAlmostEqual(0.01, when) when = yield 0.01 self.assertAlmostEqual(0.061, when) yield 0.05 loop = test_utils.TestLoop(gen) self.addCleanup(loop.close) q = queues.Queue(loop=loop) @tasks.coroutine def queue_get(): return (yield from tasks.wait_for(q.get(), 0.051, loop=loop)) @tasks.coroutine def test(): get_task = tasks.Task(queue_get(), loop=loop) yield from tasks.sleep(0.01, loop=loop) # let the task start q.put_nowait(1) return (yield from get_task) self.assertEqual(1, loop.run_until_complete(test())) self.assertAlmostEqual(0.06, loop.time())
def test_empty(self): q = queues.Queue(loop=self.loop) self.assertTrue(q.empty()) q.put_nowait(1) self.assertFalse(q.empty()) self.assertEqual(1, q.get_nowait()) self.assertTrue(q.empty())
def add_getter(): q = queues.Queue(loop=self.loop) # Start a task that waits to get. tasks.Task(q.get(), loop=self.loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=self.loop) self.assertTrue('_getters[1]' in fn(q))
def test_blocking_get_wait(self): q = queues.Queue(loop=self.loop) started = locks.EventWaiter(loop=self.loop) finished = False @tasks.coroutine def queue_get(): nonlocal finished started.set() res = yield from q.get() finished = True return res @tasks.coroutine def queue_put(): self.loop.call_later(0.01, q.put_nowait, 1) queue_get_task = tasks.Task(queue_get(), loop=self.loop) yield from started.wait() self.assertFalse(finished) res = yield from queue_get_task self.assertTrue(finished) return res res = self.loop.run_until_complete(queue_put()) self.assertEqual(1, res)
def test_ctor_noloop(self): try: events.set_event_loop(self.loop) q = queues.Queue() self.assertIs(q._loop, self.loop) finally: events.set_event_loop(None)
def test_maxsize(self): q = queues.Queue(maxsize=2, loop=self.loop) self.assertEqual(2, q.maxsize) have_been_put = [] @tasks.coroutine def putter(): for i in range(3): yield from q.put(i) have_been_put.append(i) return True @tasks.coroutine def test(): t = tasks.Task(putter(), loop=self.loop) yield from tasks.sleep(0.01, loop=self.loop) # The putter is blocked after putting two items. self.assertEqual([0, 1], have_been_put) self.assertEqual(0, q.get_nowait()) # Let the putter resume and put last item. yield from tasks.sleep(0.01, loop=self.loop) self.assertEqual([0, 1, 2], have_been_put) self.assertEqual(1, q.get_nowait()) self.assertEqual(2, q.get_nowait()) self.assertTrue(t.done()) self.assertTrue(t.result()) self.loop.run_until_complete(test())
def test_order(self): q = queues.Queue(loop=self.loop) for i in [1, 3, 2]: q.put_nowait(i) items = [q.get_nowait() for _ in range(3)] self.assertEqual([1, 3, 2], items)
def add_putter(): q = queues.Queue(maxsize=1, loop=self.loop) q.put_nowait(1) # Start a task that waits to put. tasks.Task(q.put(2), loop=self.loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=self.loop) self.assertTrue('_putters[1]' in fn(q))
def test_blocking_put(self): q = queues.Queue(loop=self.loop) @tasks.coroutine def queue_put(): # No maxsize, won't block. yield from q.put(1) self.loop.run_until_complete(queue_put())
def add_getter(): q = queues.Queue(loop=loop) # Start a task that waits to get. tasks.Task(q.get(), loop=loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=loop) self.assertTrue('_getters[1]' in fn(q)) # resume q.get coroutine to finish generator q.put_nowait(0)
def test_blocking_get(self): q = queues.Queue(loop=self.loop) q.put_nowait(1) @tasks.coroutine def queue_get(): return (yield from q.get()) res = self.loop.run_until_complete(queue_get()) self.assertEqual(1, res)
def test_get_with_putters(self): q = queues.Queue(1, loop=self.loop) q.put_nowait(1) waiter = futures.Future(loop=self.loop) q._putters.append((2, waiter)) res = self.loop.run_until_complete(q.get()) self.assertEqual(1, res) self.assertTrue(waiter.done()) self.assertIsNone(waiter.result())
def test_get_cancelled_race(self): q = queues.Queue(loop=self.loop) t1 = tasks.Task(q.get(), loop=self.loop) t2 = tasks.Task(q.get(), loop=self.loop) test_utils.run_briefly(self.loop) t1.cancel() test_utils.run_briefly(self.loop) self.assertTrue(t1.done()) q.put_nowait('a') test_utils.run_briefly(self.loop) self.assertEqual(t2.result(), 'a')
def test_put_cancelled_race(self): q = queues.Queue(loop=self.loop, maxsize=1) tasks.Task(q.put('a'), loop=self.loop) tasks.Task(q.put('c'), loop=self.loop) t = tasks.Task(q.put('b'), loop=self.loop) test_utils.run_briefly(self.loop) t.cancel() test_utils.run_briefly(self.loop) self.assertTrue(t.done()) self.assertEqual(q.get_nowait(), 'a') self.assertEqual(q.get_nowait(), 'c')
def _test_repr_or_str(self, fn, expect_id): """Test Queue's repr or str. fn is repr or str. expect_id is True if we expect the Queue's id to appear in fn(Queue()). """ q = queues.Queue(loop=self.loop) self.assertTrue(fn(q).startswith('<Queue')) id_is_present = hex(id(q)) in fn(q) self.assertEqual(expect_id, id_is_present) @tasks.coroutine def add_getter(): q = queues.Queue(loop=self.loop) # Start a task that waits to get. tasks.Task(q.get(), loop=self.loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=self.loop) self.assertTrue('_getters[1]' in fn(q)) self.loop.run_until_complete(add_getter()) @tasks.coroutine def add_putter(): q = queues.Queue(maxsize=1, loop=self.loop) q.put_nowait(1) # Start a task that waits to put. tasks.Task(q.put(2), loop=self.loop) # Let it start waiting. yield from tasks.sleep(0.1, loop=self.loop) self.assertTrue('_putters[1]' in fn(q)) self.loop.run_until_complete(add_putter()) q = queues.Queue(loop=self.loop) q.put_nowait(1) self.assertTrue('_queue=[1]' in fn(q))
def test_get_timeout_cancelled(self): q = queues.Queue(loop=self.loop) @tasks.coroutine def queue_get(): return (yield from q.get(timeout=0.05)) @tasks.coroutine def test(): get_task = tasks.Task(queue_get(), loop=self.loop) yield from tasks.sleep(0.01, loop=self.loop) # let the task start q.put_nowait(1) return (yield from get_task) self.assertEqual(1, self.loop.run_until_complete(test()))
def test_put_timeout_cancelled(self): q = queues.Queue(loop=self.loop) @tasks.coroutine def queue_put(): yield from q.put(1, timeout=0.01) return True @tasks.coroutine def test(): return (yield from q.get()) t = tasks.Task(queue_put(), loop=self.loop) self.assertEqual(1, self.loop.run_until_complete(test())) self.assertTrue(t.done()) self.assertTrue(t.result())
def test_get_timeout(self): q = queues.Queue(loop=self.loop) @tasks.coroutine def queue_get(): with self.assertRaises(queues.Empty): return (yield from q.get(timeout=0.01)) # Get works after timeout, with blocking and non-blocking put. q.put_nowait(1) self.assertEqual(1, (yield from q.get())) t = tasks.Task(q.put(2), loop=self.loop) self.assertEqual(2, (yield from q.get())) self.assertTrue(t.done()) self.assertIsNone(t.result()) self.loop.run_until_complete(queue_get())
def test_maxsize(self): def gen(): when = yield self.assertAlmostEqual(0.01, when) when = yield 0.01 self.assertAlmostEqual(0.02, when) yield 0.01 loop = test_utils.TestLoop(gen) self.addCleanup(loop.close) q = queues.Queue(maxsize=2, loop=loop) self.assertEqual(2, q.maxsize) have_been_put = [] @tasks.coroutine def putter(): for i in range(3): yield from q.put(i) have_been_put.append(i) return True @tasks.coroutine def test(): t = tasks.Task(putter(), loop=loop) yield from tasks.sleep(0.01, loop=loop) # The putter is blocked after putting two items. self.assertEqual([0, 1], have_been_put) self.assertEqual(0, q.get_nowait()) # Let the putter resume and put last item. yield from tasks.sleep(0.01, loop=loop) self.assertEqual([0, 1, 2], have_been_put) self.assertEqual(1, q.get_nowait()) self.assertEqual(2, q.get_nowait()) self.assertTrue(t.done()) self.assertTrue(t.result()) loop.run_until_complete(test()) self.assertAlmostEqual(0.02, loop.time())
def test_put_timeout(self): q = queues.Queue(1, loop=self.loop) q.put_nowait(0) @tasks.coroutine def queue_put(): with self.assertRaises(queues.Full): return (yield from q.put(1, timeout=0.01)) self.assertEqual(0, q.get_nowait()) # Put works after timeout, with blocking and non-blocking get. get_task = tasks.Task(q.get(), loop=self.loop) # Let the get start waiting. yield from tasks.sleep(0.01, loop=self.loop) q.put_nowait(2) self.assertEqual(2, (yield from get_task)) q.put_nowait(3) self.assertEqual(3, q.get_nowait()) self.loop.run_until_complete(queue_put())
def test_blocking_put_wait(self): q = queues.Queue(maxsize=1, loop=self.loop) started = locks.EventWaiter(loop=self.loop) finished = False @tasks.coroutine def queue_put(): nonlocal finished started.set() yield from q.put(1) yield from q.put(2) finished = True @tasks.coroutine def queue_get(): self.loop.call_later(0.01, q.get_nowait) queue_put_task = tasks.Task(queue_put(), loop=self.loop) yield from started.wait() self.assertFalse(finished) yield from queue_put_task self.assertTrue(finished) self.loop.run_until_complete(queue_get())
def test_put_with_waiting_getters(self): q = queues.Queue(loop=self.loop) t = tasks.Task(q.get(), loop=self.loop) test_utils.run_briefly(self.loop) self.loop.run_until_complete(q.put('a')) self.assertEqual(self.loop.run_until_complete(t), 'a')
def test_nonblocking_get_exception(self): q = queues.Queue(loop=self.loop) self.assertRaises(queues.Empty, q.get_nowait)
def test_nonblocking_put(self): q = queues.Queue(loop=self.loop) q.put_nowait(1) self.assertEqual(1, q.get_nowait())
def test_nonblocking_put_exception(self): q = queues.Queue(maxsize=1, loop=self.loop) q.put_nowait(1) self.assertRaises(queues.Full, q.put_nowait, 2)