145 lines
4.5 KiB
Python
145 lines
4.5 KiB
Python
"""\
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@file coros_test.py
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@author Donovan Preston, Ryan Williams
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Copyright (c) 2000-2007, Linden Research, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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from eventlet import tests
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from eventlet import coros, api
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class TestEvent(tests.TestCase):
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mode = 'static'
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def setUp(self):
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# raise an exception if we're waiting forever
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self._cancel_timeout = api.exc_after(1, RuntimeError())
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def tearDown(self):
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self._cancel_timeout.cancel()
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def test_waiting_for_event(self):
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evt = coros.event()
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value = 'some stuff'
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def send_to_event():
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evt.send(value)
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api.spawn(send_to_event)
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self.assertEqual(evt.wait(), value)
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def test_multiple_waiters(self):
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evt = coros.event()
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value = 'some stuff'
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results = []
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def wait_on_event(i_am_done):
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evt.wait()
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results.append(True)
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i_am_done.send()
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waiters = []
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count = 5
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for i in range(count):
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waiters.append(coros.event())
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api.spawn(wait_on_event, waiters[-1])
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evt.send()
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for w in waiters:
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w.wait()
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self.assertEqual(len(results), count)
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def test_cancel(self):
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evt = coros.event()
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# close over the current coro so we can cancel it explicitly
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current = api.getcurrent()
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def cancel_event():
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evt.cancel(current)
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api.spawn(cancel_event)
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self.assertRaises(coros.Cancelled, evt.wait)
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def test_reset(self):
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evt = coros.event()
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# calling reset before send should throw
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self.assertRaises(AssertionError, evt.reset)
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value = 'some stuff'
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def send_to_event():
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evt.send(value)
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api.spawn(send_to_event)
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self.assertEqual(evt.wait(), value)
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# now try it again, and we should get the same exact value,
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# and we shouldn't be allowed to resend without resetting
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value2 = 'second stuff'
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self.assertRaises(AssertionError, evt.send, value2)
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self.assertEqual(evt.wait(), value)
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# reset and everything should be happy
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evt.reset()
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def send_to_event2():
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evt.send(value2)
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api.spawn(send_to_event2)
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self.assertEqual(evt.wait(), value2)
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class TestCoroutinePool(tests.TestCase):
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mode = 'static'
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def setUp(self):
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# raise an exception if we're waiting forever
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self._cancel_timeout = api.exc_after(1, RuntimeError())
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def tearDown(self):
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self._cancel_timeout.cancel()
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def test_execute_async(self):
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done = coros.event()
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def some_work():
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done.send()
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pool = coros.CoroutinePool(0, 2)
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pool.execute_async(some_work)
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done.wait()
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def test_execute(self):
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value = 'return value'
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def some_work():
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return value
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pool = coros.CoroutinePool(0, 2)
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worker = pool.execute(some_work)
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self.assertEqual(value, worker.wait())
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def test_multiple_coros(self):
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evt = coros.event()
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results = []
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def producer():
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results.append('prod')
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evt.send()
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def consumer():
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results.append('cons1')
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evt.wait()
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results.append('cons2')
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pool = coros.CoroutinePool(0, 2)
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done = pool.execute(consumer)
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pool.execute_async(producer)
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done.wait()
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self.assertEquals(['cons1', 'prod', 'cons2'], results)
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if __name__ == '__main__':
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tests.main()
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