test__api.py 3.68 KB
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# Copyright (c) 2008 AG Projects
# Author: Denis Bilenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import greentest
import gevent
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from gevent import core, util, socket
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DELAY = 0.1

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class Test(greentest.TestCase):

    def test_killing_dormant(self):
        state = []
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        def test():
            try:
                state.append('start')
                gevent.sleep(DELAY)
            except:
                state.append('except')
                # catching GreenletExit
                pass
            state.append('finished')
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        g = gevent.spawn(test)
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        gevent.sleep(DELAY / 2)
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        assert state == ['start'], state
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        g.kill()
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        # will not get there, unless switching is explicitly scheduled by kill
        assert state == ['start', 'except', 'finished'], state

    def test_nested_with_timeout(self):
        def func():
            return gevent.with_timeout(0.2, gevent.sleep, 2, timeout_value=1)
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        self.assertRaises(gevent.Timeout, gevent.with_timeout, 0.1, func)
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    def test_sleep_invalid_switch(self):
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        p = gevent.spawn(util.wrap_errors(AssertionError, gevent.sleep), 2)
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        switcher = gevent.spawn(p.switch, None)
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        result = p.get()
        assert isinstance(result, AssertionError), result
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        assert 'Invalid switch' in str(result), repr(str(result))
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        switcher.kill()
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    def test_wait_read_invalid_switch(self):
        p = gevent.spawn(util.wrap_errors(AssertionError, socket.wait_read), 0)
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        switcher = gevent.spawn(p.switch, None)
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        result = p.get()
        assert isinstance(result, AssertionError), result
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        assert 'Invalid switch' in str(result), repr(str(result))
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        switcher.kill()
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    def test_wait_write_invalid_switch(self):
        p = gevent.spawn(util.wrap_errors(AssertionError, socket.wait_write), 0)
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        switcher = gevent.spawn(p.switch, None)
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        result = p.get()
        assert isinstance(result, AssertionError), result
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        assert 'Invalid switch' in str(result), repr(str(result))
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        switcher.kill()
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class TestTimers(greentest.TestCase):

    def setUp(self):
        greentest.TestCase.setUp(self)
        self.lst = [1]

    def test_timer_fired(self):
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        def func():
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            core.timer(0.01, self.lst.pop)
            gevent.sleep(0.02)
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        gevent.spawn(func)
        assert self.lst == [1], self.lst
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        gevent.sleep(0.03)
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        assert self.lst == [], self.lst

    def test_spawn_is_not_cancelled(self):

        def func():
            gevent.spawn(self.lst.pop)
            # exiting immediatelly, but self.lst.pop must be called
        gevent.spawn(func)
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        gevent.sleep(0.01)
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        assert self.lst == [], self.lst


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if __name__ == '__main__':
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    greentest.main()