root / test / ganeti.daemon_unittest.py @ c6987b16
History | View | Annotate | Download (7.4 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 |
|
29 |
from ganeti import daemon |
30 |
|
31 |
import testutils |
32 |
|
33 |
|
34 |
class TestMainloop(testutils.GanetiTestCase): |
35 |
"""Test daemon.Mainloop"""
|
36 |
|
37 |
def setUp(self): |
38 |
testutils.GanetiTestCase.setUp(self)
|
39 |
self.mainloop = daemon.Mainloop()
|
40 |
self.sendsig_events = []
|
41 |
self.onsignal_events = []
|
42 |
|
43 |
def _CancelEvent(self, handle): |
44 |
self.mainloop.scheduler.cancel(handle)
|
45 |
|
46 |
def _SendSig(self, sig): |
47 |
self.sendsig_events.append(sig)
|
48 |
os.kill(os.getpid(), sig) |
49 |
|
50 |
def OnSignal(self, signum): |
51 |
self.onsignal_events.append(signum)
|
52 |
|
53 |
def testRunAndTermBySched(self): |
54 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGTERM]) |
55 |
self.mainloop.Run() # terminates by _SendSig being scheduled |
56 |
self.assertEquals(self.sendsig_events, [signal.SIGTERM]) |
57 |
|
58 |
def testSchedulerCancel(self): |
59 |
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig, |
60 |
[signal.SIGTERM]) |
61 |
self.mainloop.scheduler.cancel(handle)
|
62 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
63 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
64 |
self.mainloop.Run()
|
65 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM]) |
66 |
|
67 |
def testRegisterSignal(self): |
68 |
self.mainloop.RegisterSignal(self) |
69 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
70 |
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig, |
71 |
[signal.SIGTERM]) |
72 |
self.mainloop.scheduler.cancel(handle)
|
73 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
74 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
75 |
# ...not delievered because they are scheduled after TERM
|
76 |
self.mainloop.scheduler.enter(0.4, 1, self._SendSig, [signal.SIGCHLD]) |
77 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGCHLD]) |
78 |
self.mainloop.Run()
|
79 |
self.assertEquals(self.sendsig_events, |
80 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
81 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
82 |
|
83 |
def testDeferredCancel(self): |
84 |
self.mainloop.RegisterSignal(self) |
85 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
86 |
handle1 = self.mainloop.scheduler.enter(0.3, 2, self._SendSig, |
87 |
[signal.SIGCHLD]) |
88 |
handle2 = self.mainloop.scheduler.enter(0.4, 2, self._SendSig, |
89 |
[signal.SIGCHLD]) |
90 |
self.mainloop.scheduler.enter(0, 1, self._CancelEvent, [handle1]) |
91 |
self.mainloop.scheduler.enter(0, 1, self._CancelEvent, [handle2]) |
92 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGTERM]) |
93 |
self.mainloop.Run()
|
94 |
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM]) |
95 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
96 |
|
97 |
def testReRun(self): |
98 |
self.mainloop.RegisterSignal(self) |
99 |
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD]) |
100 |
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD]) |
101 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
102 |
self.mainloop.scheduler.enter(0.4, 1, self._SendSig, [signal.SIGCHLD]) |
103 |
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGCHLD]) |
104 |
self.mainloop.Run()
|
105 |
self.assertEquals(self.sendsig_events, |
106 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
107 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
108 |
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM]) |
109 |
self.mainloop.Run()
|
110 |
self.assertEquals(self.sendsig_events, |
111 |
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM, |
112 |
signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM]) |
113 |
self.assertEquals(self.onsignal_events, self.sendsig_events) |
114 |
|
115 |
|
116 |
class _MyAsyncUDPSocket(daemon.AsyncUDPSocket): |
117 |
|
118 |
def __init__(self): |
119 |
daemon.AsyncUDPSocket.__init__(self)
|
120 |
self.received = []
|
121 |
self.error_count = 0 |
122 |
|
123 |
def handle_datagram(self, payload, ip, port): |
124 |
self.received.append((payload))
|
125 |
if payload == "terminate": |
126 |
os.kill(os.getpid(), signal.SIGTERM) |
127 |
elif payload == "error": |
128 |
raise errors.GenericError("error") |
129 |
|
130 |
def handle_error(self): |
131 |
self.error_count += 1 |
132 |
|
133 |
|
134 |
class TestAsyncUDPSocket(testutils.GanetiTestCase): |
135 |
"""Test daemon.AsyncUDPSocket"""
|
136 |
|
137 |
def setUp(self): |
138 |
testutils.GanetiTestCase.setUp(self)
|
139 |
self.mainloop = daemon.Mainloop()
|
140 |
self.server = _MyAsyncUDPSocket()
|
141 |
self.client = _MyAsyncUDPSocket()
|
142 |
self.server.bind(("127.0.0.1", 0)) |
143 |
self.port = self.server.getsockname()[1] |
144 |
|
145 |
def tearDown(self): |
146 |
self.server.close()
|
147 |
self.client.close()
|
148 |
testutils.GanetiTestCase.tearDown(self)
|
149 |
|
150 |
def testNoDoubleBind(self): |
151 |
self.assertRaises(socket.error, self.client.bind, ("127.0.0.1", self.port)) |
152 |
|
153 |
def _ThreadedClient(self, payload): |
154 |
self.client.enqueue_send("127.0.0.1", self.port, payload) |
155 |
print "sending %s" % payload |
156 |
while self.client.writable(): |
157 |
self.client.handle_write()
|
158 |
|
159 |
def testAsyncClientServer(self): |
160 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
161 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
162 |
self.client.enqueue_send("127.0.0.1", self.port, "terminate") |
163 |
self.mainloop.Run()
|
164 |
self.assertEquals(self.server.received, ["p1", "p2", "terminate"]) |
165 |
|
166 |
def testSyncClientServer(self): |
167 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
168 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
169 |
while self.client.writable(): |
170 |
self.client.handle_write()
|
171 |
self.server.process_next_packet()
|
172 |
self.assertEquals(self.server.received, ["p1"]) |
173 |
self.server.process_next_packet()
|
174 |
self.assertEquals(self.server.received, ["p1", "p2"]) |
175 |
self.client.enqueue_send("127.0.0.1", self.port, "p3") |
176 |
while self.client.writable(): |
177 |
self.client.handle_write()
|
178 |
self.server.process_next_packet()
|
179 |
self.assertEquals(self.server.received, ["p1", "p2", "p3"]) |
180 |
|
181 |
def testErrorHandling(self): |
182 |
self.client.enqueue_send("127.0.0.1", self.port, "p1") |
183 |
self.client.enqueue_send("127.0.0.1", self.port, "p2") |
184 |
self.client.enqueue_send("127.0.0.1", self.port, "error") |
185 |
self.client.enqueue_send("127.0.0.1", self.port, "p3") |
186 |
self.client.enqueue_send("127.0.0.1", self.port, "error") |
187 |
self.client.enqueue_send("127.0.0.1", self.port, "terminate") |
188 |
self.mainloop.Run()
|
189 |
self.assertEquals(self.server.received, |
190 |
["p1", "p2", "error", "p3", "error", "terminate"]) |
191 |
self.assertEquals(self.server.error_count, 2) |
192 |
|
193 |
|
194 |
if __name__ == "__main__": |
195 |
testutils.GanetiTestProgram() |