root / test / ganeti.daemon_unittest.py @ e3cc4c69
History | View | Annotate | Download (9.2 kB)
| 1 |
#!/usr/bin/python
|
|---|---|
| 2 |
#
|
| 3 |
|
| 4 |
# Copyright (C) 2010 Google Inc.
|
| 5 |
#
|
| 6 |
# This program is free software; you can redistribute it and/or modify
|
| 7 |
# it under the terms of the GNU General Public License as published by
|
| 8 |
# the Free Software Foundation; either version 2 of the License, or
|
| 9 |
# (at your option) any later version.
|
| 10 |
#
|
| 11 |
# This program is distributed in the hope that it will be useful, but
|
| 12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 14 |
# General Public License for more details.
|
| 15 |
#
|
| 16 |
# You should have received a copy of the GNU General Public License
|
| 17 |
# along with this program; if not, write to the Free Software
|
| 18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
| 19 |
# 02110-1301, USA.
|
| 20 |
|
| 21 |
|
| 22 |
"""Script for unittesting the daemon module"""
|
| 23 |
|
| 24 |
import unittest |
| 25 |
import signal |
| 26 |
import os |
| 27 |
import socket |
| 28 |
import time |
| 29 |
|
| 30 |
from ganeti import daemon |
| 31 |
from ganeti import errors |
| 32 |
|
| 33 |
import testutils |
| 34 |
|
| 35 |
|
| 36 |
class TestMainloop(testutils.GanetiTestCase): |
| 37 |
"""Test daemon.Mainloop"""
|
| 38 |
|
| 39 |
def setUp(self): |
| 40 |
testutils.GanetiTestCase.setUp(self)
|
| 41 |
self.mainloop = daemon.Mainloop()
|
| 42 |
self.sendsig_events = []
|
| 43 |
self.onsignal_events = []
|
| 44 |
|
| 45 |
def _CancelEvent(self, handle): |
| 46 |
self.mainloop.scheduler.cancel(handle)
|
| 47 |
|
| 48 |
def _SendSig(self, sig): |
| 49 |
self.sendsig_events.append(sig)
|
| 50 |
os.kill(os.getpid(), sig) |
| 51 |
|
| 52 |
def OnSignal(self, signum): |
| 53 |
self.onsignal_events.append(signum)
|
| 54 |
|
| 55 |
def testRunAndTermBySched(self): |
| 56 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGTERM]) |
| 57 |
self.mainloop.Run() # terminates by _SendSig being scheduled |
| 58 |
self.assertEquals(self.sendsig_events, [signal.SIGTERM]) |
| 59 |
|
| 60 |
def testTerminatingSignals(self): |
| 61 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
| 62 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGINT]) |
| 63 |
self.mainloop.Run()
|
| 64 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGINT]) |
| 65 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGTERM]) |
| 66 |
self.mainloop.Run()
|
| 67 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGINT, |
| 68 |
signal.SIGTERM]) |
| 69 |
|
| 70 |
def testSchedulerCancel(self): |
| 71 |
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig, |
| 72 |
[signal.SIGTERM]) |
| 73 |
self.mainloop.scheduler.cancel(handle)
|
| 74 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
| 75 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
| 76 |
self.mainloop.Run()
|
| 77 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM]) |
| 78 |
|
| 79 |
def testRegisterSignal(self): |
| 80 |
self.mainloop.RegisterSignal(self) |
| 81 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
| 82 |
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig, |
| 83 |
[signal.SIGTERM]) |
| 84 |
self.mainloop.scheduler.cancel(handle)
|
| 85 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
| 86 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
| 87 |
# ...not delievered because they are scheduled after TERM
|
| 88 |
self.mainloop.scheduler.enter(0.4, 1, self._SendSig, [signal.SIGCHLD]) |
| 89 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGCHLD]) |
| 90 |
self.mainloop.Run()
|
| 91 |
self.assertEquals(self.sendsig_events, |
| 92 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
| 93 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
| 94 |
|
| 95 |
def testDeferredCancel(self): |
| 96 |
self.mainloop.RegisterSignal(self) |
| 97 |
now = time.time() |
| 98 |
self.mainloop.scheduler.enterabs(now + 0.1, 1, self._SendSig, |
| 99 |
[signal.SIGCHLD]) |
| 100 |
handle1 = self.mainloop.scheduler.enterabs(now + 0.3, 2, self._SendSig, |
| 101 |
[signal.SIGCHLD]) |
| 102 |
handle2 = self.mainloop.scheduler.enterabs(now + 0.4, 2, self._SendSig, |
| 103 |
[signal.SIGCHLD]) |
| 104 |
self.mainloop.scheduler.enterabs(now + 0.2, 1, self._CancelEvent, |
| 105 |
[handle1]) |
| 106 |
self.mainloop.scheduler.enterabs(now + 0.2, 1, self._CancelEvent, |
| 107 |
[handle2]) |
| 108 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGTERM]) |
| 109 |
self.mainloop.Run()
|
| 110 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM]) |
| 111 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
| 112 |
|
| 113 |
def testReRun(self): |
| 114 |
self.mainloop.RegisterSignal(self) |
| 115 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
| 116 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
| 117 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
| 118 |
self.mainloop.scheduler.enter(0.4, 1, self._SendSig, [signal.SIGCHLD]) |
| 119 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGCHLD]) |
| 120 |
self.mainloop.Run()
|
| 121 |
self.assertEquals(self.sendsig_events, |
| 122 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
| 123 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
| 124 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
| 125 |
self.mainloop.Run()
|
| 126 |
self.assertEquals(self.sendsig_events, |
| 127 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM, |
| 128 |
signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
| 129 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
| 130 |
|
| 131 |
def testPriority(self): |
| 132 |
# for events at the same time, the highest priority one executes first
|
| 133 |
now = time.time() |
| 134 |
self.mainloop.scheduler.enterabs(now + 0.1, 2, self._SendSig, |
| 135 |
[signal.SIGCHLD]) |
| 136 |
self.mainloop.scheduler.enterabs(now + 0.1, 1, self._SendSig, |
| 137 |
[signal.SIGTERM]) |
| 138 |
self.mainloop.Run()
|
| 139 |
self.assertEquals(self.sendsig_events, [signal.SIGTERM]) |
| 140 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGTERM]) |
| 141 |
self.mainloop.Run()
|
| 142 |
self.assertEquals(self.sendsig_events, |
| 143 |
[signal.SIGTERM, signal.SIGCHLD, signal.SIGTERM]) |
| 144 |
|
| 145 |
|
| 146 |
class _MyAsyncUDPSocket(daemon.AsyncUDPSocket): |
| 147 |
|
| 148 |
def __init__(self): |
| 149 |
daemon.AsyncUDPSocket.__init__(self)
|
| 150 |
self.received = []
|
| 151 |
self.error_count = 0 |
| 152 |
|
| 153 |
def handle_datagram(self, payload, ip, port): |
| 154 |
self.received.append((payload))
|
| 155 |
if payload == "terminate": |
| 156 |
os.kill(os.getpid(), signal.SIGTERM) |
| 157 |
elif payload == "error": |
| 158 |
raise errors.GenericError("error") |
| 159 |
|
| 160 |
def handle_error(self): |
| 161 |
self.error_count += 1 |
| 162 |
raise
|
| 163 |
|
| 164 |
|
| 165 |
class TestAsyncUDPSocket(testutils.GanetiTestCase): |
| 166 |
"""Test daemon.AsyncUDPSocket"""
|
| 167 |
|
| 168 |
def setUp(self): |
| 169 |
testutils.GanetiTestCase.setUp(self)
|
| 170 |
self.mainloop = daemon.Mainloop()
|
| 171 |
self.server = _MyAsyncUDPSocket()
|
| 172 |
self.client = _MyAsyncUDPSocket()
|
| 173 |
self.server.bind(("127.0.0.1", 0)) |
| 174 |
self.port = self.server.getsockname()[1] |
| 175 |
|
| 176 |
def tearDown(self): |
| 177 |
self.server.close()
|
| 178 |
self.client.close()
|
| 179 |
testutils.GanetiTestCase.tearDown(self)
|
| 180 |
|
| 181 |
def testNoDoubleBind(self): |
| 182 |
self.assertRaises(socket.error, self.client.bind, ("127.0.0.1", self.port)) |
| 183 |
|
| 184 |
def _ThreadedClient(self, payload): |
| 185 |
self.client.enqueue_send("127.0.0.1", self.port, payload) |
| 186 |
print "sending %s" % payload |
| 187 |
while self.client.writable(): |
| 188 |
self.client.handle_write()
|
| 189 |
|
| 190 |
def testAsyncClientServer(self): |
| 191 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
| 192 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
| 193 |
self.client.enqueue_send("127.0.0.1", self.port, "terminate") |
| 194 |
self.mainloop.Run()
|
| 195 |
self.assertEquals(self.server.received, ["p1", "p2", "terminate"]) |
| 196 |
|
| 197 |
def testSyncClientServer(self): |
| 198 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
| 199 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
| 200 |
while self.client.writable(): |
| 201 |
self.client.handle_write()
|
| 202 |
self.server.process_next_packet()
|
| 203 |
self.assertEquals(self.server.received, ["p1"]) |
| 204 |
self.server.process_next_packet()
|
| 205 |
self.assertEquals(self.server.received, ["p1", "p2"]) |
| 206 |
self.client.enqueue_send("127.0.0.1", self.port, "p3") |
| 207 |
while self.client.writable(): |
| 208 |
self.client.handle_write()
|
| 209 |
self.server.process_next_packet()
|
| 210 |
self.assertEquals(self.server.received, ["p1", "p2", "p3"]) |
| 211 |
|
| 212 |
def testErrorHandling(self): |
| 213 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
| 214 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
| 215 |
self.client.enqueue_send("127.0.0.1", self.port, "error") |
| 216 |
self.client.enqueue_send("127.0.0.1", self.port, "p3") |
| 217 |
self.client.enqueue_send("127.0.0.1", self.port, "error") |
| 218 |
self.client.enqueue_send("127.0.0.1", self.port, "terminate") |
| 219 |
self.assertRaises(errors.GenericError, self.mainloop.Run) |
| 220 |
self.assertEquals(self.server.received, |
| 221 |
["p1", "p2", "error"]) |
| 222 |
self.assertEquals(self.server.error_count, 1) |
| 223 |
self.assertRaises(errors.GenericError, self.mainloop.Run) |
| 224 |
self.assertEquals(self.server.received, |
| 225 |
["p1", "p2", "error", "p3", "error"]) |
| 226 |
self.assertEquals(self.server.error_count, 2) |
| 227 |
self.mainloop.Run()
|
| 228 |
self.assertEquals(self.server.received, |
| 229 |
["p1", "p2", "error", "p3", "error", "terminate"]) |
| 230 |
self.assertEquals(self.server.error_count, 2) |
| 231 |
|
| 232 |
|
| 233 |
if __name__ == "__main__": |
| 234 |
testutils.GanetiTestProgram() |