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mitogen/tests/io_op_test.py

120 lines
3.0 KiB
Python

import errno
import select
import mock
import unittest2
import testlib
import mitogen.core
class RestartTest(object):
func = staticmethod(mitogen.core.io_op)
exception_class = None
def test_eintr_restarts(self):
m = mock.Mock()
m.side_effect = [
self.exception_class(errno.EINTR),
self.exception_class(errno.EINTR),
self.exception_class(errno.EINTR),
'yay',
]
rc, disconnected = self.func(m, 'input')
self.assertEquals(rc, 'yay')
self.assertFalse(disconnected)
self.assertEquals(4, m.call_count)
self.assertEquals(m.mock_calls, [
mock.call('input'),
mock.call('input'),
mock.call('input'),
mock.call('input'),
])
class SelectRestartTest(RestartTest, testlib.TestCase):
exception_class = select.error
class OsErrorRestartTest(RestartTest, testlib.TestCase):
exception_class = OSError
class DisconnectTest(object):
func = staticmethod(mitogen.core.io_op)
errno = None
exception_class = None
def test_disconnection(self):
m = mock.Mock()
m.side_effect = self.exception_class(self.errno)
rc, disconnected = self.func(m, 'input')
self.assertEquals(rc, None)
self.assertTrue(disconnected)
self.assertEquals(1, m.call_count)
self.assertEquals(m.mock_calls, [
mock.call('input'),
])
class SelectDisconnectEioTest(DisconnectTest, testlib.TestCase):
errno = errno.EIO
exception_class = select.error
class SelectDisconnectEconnresetTest(DisconnectTest, testlib.TestCase):
errno = errno.ECONNRESET
exception_class = select.error
class SelectDisconnectEpipeTest(DisconnectTest, testlib.TestCase):
errno = errno.EPIPE
exception_class = select.error
class OsErrorDisconnectEioTest(DisconnectTest, testlib.TestCase):
errno = errno.EIO
exception_class = OSError
class OsErrorDisconnectEconnresetTest(DisconnectTest, testlib.TestCase):
errno = errno.ECONNRESET
exception_class = OSError
class OsErrorDisconnectEpipeTest(DisconnectTest, testlib.TestCase):
errno = errno.EPIPE
exception_class = OSError
class ExceptionTest(object):
func = staticmethod(mitogen.core.io_op)
errno = None
exception_class = None
def test_exception(self):
m = mock.Mock()
m.side_effect = self.exception_class(self.errno)
e = self.assertRaises(self.exception_class,
lambda: self.func(m, 'input'))
self.assertEquals(e, m.side_effect)
self.assertEquals(1, m.call_count)
self.assertEquals(m.mock_calls, [
mock.call('input'),
])
class SelectExceptionTest(ExceptionTest, testlib.TestCase):
errno = errno.EBADF
exception_class = select.error
class OsErrorExceptionTest(ExceptionTest, testlib.TestCase):
errno = errno.EBADF
exception_class = OSError
if __name__ == '__main__':
unittest2.main()