blob: 871e8494d645c1679adda52d412f47362450eae2 [file] [log] [blame]
#!/usr/bin/python
#
# Copyright (C) 2009 Google Inc.
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are
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#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Script for unittesting the confd client module"""
import socket
import unittest
from ganeti import confd
from ganeti import constants
from ganeti import errors
import ganeti.confd.client
import testutils
class ResettableMock(object):
def __init__(self, *args, **kwargs):
self.Reset()
def Reset(self):
pass
class MockLogger(ResettableMock):
def Reset(self):
self.debug_count = 0
self.warn_count = 0
self.error_count = 0
def debug(string):
self.debug_count += 1
def warning(string):
self.warn_count += 1
def error(string):
self.error_count += 1
class MockConfdAsyncUDPClient(ResettableMock):
def Reset(self):
self.send_count = 0
self.last_address = ''
self.last_port = -1
self.last_sent = ''
def enqueue_send(self, address, port, payload):
self.send_count += 1
self.last_payload = payload
self.last_port = port
self.last_address = address
class MockCallback(ResettableMock):
def Reset(self):
self.call_count = 0
self.last_up = None
def __call__(self, up):
"""Callback
@type up: L{ConfdUpcallPayload}
@param up: upper callback
"""
self.call_count += 1
self.last_up = up
class MockTime(ResettableMock):
def Reset(self):
self.mytime = 1254213006.5175071
def time(self):
return self.mytime
def increase(self, delta):
self.mytime += delta
class _BaseClientTest:
"""Base class for client tests"""
mc_list = None
new_peers = None
family = None
def setUp(self):
self.mock_time = MockTime()
confd.client.time = self.mock_time
confd.client.ConfdAsyncUDPClient = MockConfdAsyncUDPClient
self.logger = MockLogger()
hmac_key = "mykeydata"
self.callback = MockCallback()
self.client = confd.client.ConfdClient(hmac_key, self.mc_list,
self.callback, logger=self.logger)
def testRequest(self):
req1 = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
req2 = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.assertNotEqual(req1.rsalt, req2.rsalt)
self.assertEqual(req1.protocol, constants.CONFD_PROTOCOL_VERSION)
self.assertEqual(req2.protocol, constants.CONFD_PROTOCOL_VERSION)
self.assertRaises(errors.ConfdClientError, confd.client.ConfdClientRequest,
type=-33)
def testClientSend(self):
req = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req)
# Cannot send the same request twice
self.assertRaises(errors.ConfdClientError, self.client.SendRequest, req)
req2 = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
# Coverage is too big
self.assertRaises(errors.ConfdClientError, self.client.SendRequest,
req2, coverage=15)
self.assertEquals(self.client._socket.send_count,
constants.CONFD_DEFAULT_REQ_COVERAGE)
# Send with max coverage
self.client.SendRequest(req2, coverage=-1)
self.assertEquals(self.client._socket.send_count,
constants.CONFD_DEFAULT_REQ_COVERAGE + len(self.mc_list))
self.assert_(self.client._socket.last_address in self.mc_list)
def testClientExpire(self):
req = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req)
# Make a couple of seconds pass ;)
self.mock_time.increase(2)
# Now sending the second request
req2 = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req2)
self.mock_time.increase(constants.CONFD_CLIENT_EXPIRE_TIMEOUT - 1)
# First request should be expired, second one should not
self.client.ExpireRequests()
self.assertEquals(self.callback.call_count, 1)
self.assertEquals(self.callback.last_up.type, confd.client.UPCALL_EXPIRE)
self.assertEquals(self.callback.last_up.salt, req.rsalt)
self.assertEquals(self.callback.last_up.orig_request, req)
self.mock_time.increase(3)
self.assertEquals(self.callback.call_count, 1)
self.client.ExpireRequests()
self.assertEquals(self.callback.call_count, 2)
self.assertEquals(self.callback.last_up.type, confd.client.UPCALL_EXPIRE)
self.assertEquals(self.callback.last_up.salt, req2.rsalt)
self.assertEquals(self.callback.last_up.orig_request, req2)
def testClientCascadeExpire(self):
req = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req)
self.mock_time.increase(constants.CONFD_CLIENT_EXPIRE_TIMEOUT +1)
req2 = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req2)
self.assertEquals(self.callback.call_count, 1)
def testUpdatePeerList(self):
self.client.UpdatePeerList(self.new_peers)
self.assertEquals(self.client._peers, self.new_peers)
req = confd.client.ConfdClientRequest(type=constants.CONFD_REQ_PING)
self.client.SendRequest(req)
self.assertEquals(self.client._socket.send_count, len(self.new_peers))
self.assert_(self.client._socket.last_address in self.new_peers)
def testSetPeersFamily(self):
self.client._SetPeersAddressFamily()
self.assertEquals(self.client._family, self.family)
mixed_peers = ["192.0.2.99", "2001:db8:beef::13"]
self.client.UpdatePeerList(mixed_peers)
self.assertRaises(errors.ConfdClientError,
self.client._SetPeersAddressFamily)
class TestIP4Client(unittest.TestCase, _BaseClientTest):
"""Client tests"""
mc_list = ["192.0.2.1",
"192.0.2.2",
"192.0.2.3",
"192.0.2.4",
"192.0.2.5",
"192.0.2.6",
"192.0.2.7",
"192.0.2.8",
"192.0.2.9",
]
new_peers = ["198.51.100.1", "198.51.100.2"]
family = socket.AF_INET
def setUp(self):
unittest.TestCase.setUp(self)
_BaseClientTest.setUp(self)
class TestIP6Client(unittest.TestCase, _BaseClientTest):
"""Client tests"""
mc_list = ["2001:db8::1",
"2001:db8::2",
"2001:db8::3",
"2001:db8::4",
"2001:db8::5",
"2001:db8::6",
"2001:db8::7",
"2001:db8::8",
"2001:db8::9",
]
new_peers = ["2001:db8:beef::11", "2001:db8:beef::12"]
family = socket.AF_INET6
def setUp(self):
unittest.TestCase.setUp(self)
_BaseClientTest.setUp(self)
if __name__ == "__main__":
testutils.GanetiTestProgram()