109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
# Copyright (c) 2010 OpenStack, LLC.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# TODO: Test kill_children signal handlers
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import unittest
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from getpass import getuser
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import logging
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from StringIO import StringIO
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from test.unit import tmpfile
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from swift.common import daemon, utils
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class MyDaemon(daemon.Daemon):
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def __init__(self, conf):
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self.conf = conf
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self.logger = utils.get_logger(None)
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MyDaemon.forever_called = False
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MyDaemon.once_called = False
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def run_forever(self):
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MyDaemon.forever_called = True
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def run_once(self):
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MyDaemon.once_called = True
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def run_raise(self):
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raise OSError
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def run_quit(self):
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raise KeyboardInterrupt
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class TestDaemon(unittest.TestCase):
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def test_create(self):
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d = daemon.Daemon({})
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self.assertEquals(d.conf, {})
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self.assert_(isinstance(d.logger, utils.NamedLogger))
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def test_stubs(self):
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d = daemon.Daemon({})
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self.assertRaises(NotImplementedError, d.run_once)
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self.assertRaises(NotImplementedError, d.run_forever)
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class TestRunDaemon(unittest.TestCase):
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def setUp(self):
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utils.HASH_PATH_SUFFIX = 'endcap'
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utils.drop_privileges = lambda *args: None
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utils.capture_stdio = lambda *args: None
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def tearDown(self):
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reload(utils)
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def test_run(self):
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d = MyDaemon({})
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self.assertFalse(MyDaemon.forever_called)
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self.assertFalse(MyDaemon.once_called)
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# test default
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d.run()
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self.assertEquals(d.forever_called, True)
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# test once
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d.run(once=True)
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self.assertEquals(d.once_called, True)
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def test_run_daemon(self):
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sample_conf = """[my-daemon]
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user = %s
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""" % getuser()
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with tmpfile(sample_conf) as conf_file:
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daemon.run_daemon(MyDaemon, conf_file)
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self.assertEquals(MyDaemon.forever_called, True)
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daemon.run_daemon(MyDaemon, conf_file, once=True)
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self.assertEquals(MyDaemon.once_called, True)
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# test raise in daemon code
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MyDaemon.run_once = MyDaemon.run_raise
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self.assertRaises(OSError, daemon.run_daemon, MyDaemon,
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conf_file, once=True)
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# test user quit
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MyDaemon.run_forever = MyDaemon.run_quit
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sio = StringIO()
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logger = logging.getLogger()
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logger.addHandler(logging.StreamHandler(sio))
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logger = utils.get_logger(None, 'server')
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daemon.run_daemon(MyDaemon, conf_file, logger=logger)
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self.assert_('user quit' in sio.getvalue().lower())
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if __name__ == '__main__':
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unittest.main()
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