-
Notifications
You must be signed in to change notification settings - Fork 1
/
testspread.py
314 lines (261 loc) · 10 KB
/
testspread.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
# Copyright (c) 2001-2005 Python Software Foundation. All rights reserved.
#
# This code is released under the standard PSF license.
# See the file LICENSE.
import sys
import os
import time
import unittest
from distutils.util import get_platform
def setup_path():
PLAT_SPEC = "%s-%s" % (get_platform(), sys.version[0:3])
DIRS = [os.path.join("build", "lib.%s" % PLAT_SPEC),
]
for d in DIRS:
sys.path.insert(0, d)
setup_path()
import spread
class SpreadTest(unittest.TestCase):
spread_name = str(spread.DEFAULT_SPREAD_PORT) + "@localhost"
conn_counter = 0
def _connect(self, membership=1):
"""Return a new connection"""
c = SpreadTest.conn_counter
SpreadTest.conn_counter += 1
mb = spread.connect(self.spread_name, "conn%d" % c, 0, membership)
return mb
group_counter = 0
def _group(self):
"""Return a new group name"""
c = SpreadTest.group_counter
SpreadTest.group_counter += 1
return "group%d" % c
def _connect_group(self, size):
"""Return a group and a list of size connections in that group.
All the connections should have consumed all their membership
messages.
"""
group = self._group()
l = [self._connect() for i in range(size)]
for i in range(len(l)):
c = l[i]
c.join(group)
# read membership messages until all receive notification of
# the appropriate group size
ready = []
while l:
for c in l[:]:
if c.poll():
msg = c.receive()
self.assertEqual(type(msg), spread.MembershipMsgType)
if len(msg.members) == size:
ready.append(c)
l.remove(c)
return group, ready
def testSingleConnect(self):
mbox = self._connect()
group = self._group()
mbox.join(group)
while mbox.poll() == 0:
time.sleep(0.1)
msg = mbox.receive()
# Should get a message indicating that we've joined the group
self.assertEqual(msg.group, group,
"expected message group to match joined group")
self.assertEqual(msg.reason, spread.CAUSED_BY_JOIN,
"expected message to be caused by join")
self.assertEqual(len(msg.members), 1,
"expected group to have one member")
self.assertEqual(msg.members[0], mbox.private_group,
"expected this mbox to be in group")
self.assertEqual(msg.changed_member, mbox.private_group,
"expected one mbox to cause the join")
self.assertEqual(msg.changed_member, mbox.private_group,
"expected this mbox to cause the join")
self.assertEqual(msg.extra[0], mbox.private_group,
"expected extra[0] to be same as private group")
self.assertEqual(msg.changed_member, mbox.private_group,
"expected changed_member to be save as private_group")
mbox.leave(group)
# should get a self-leave message
msg = mbox.receive()
self.assertEqual(msg.group, group)
self.assertEqual(msg.reason, spread.CAUSED_BY_LEAVE)
self.assertEqual(len(msg.members), 0)
self.assertEqual(len(msg.extra), 0)
self.assertEqual(msg.changed_member, None)
mbox.disconnect()
def testConnectBadDaemon(self):
silly = ' _._._42'
try:
spread.connect(silly)
except spread.error:
pass
else:
self.fail("expected spread.connect(%r) to complain" % silly)
try:
spread.connect(daemon=silly)
except spread.error:
pass
else:
self.fail("expected spread.connect(daemon=%r) to complain" % silly)
def testConnectBadKeywords(self):
for silly in 'demon', 'prior', 'member', 'xyz':
try:
spread.connect(**{silly: 1})
except TypeError:
pass
else:
self.fail("expected spread.connect to complain about bad "
"keyword argument %r" % silly)
def testConnectDefaults(self):
m = spread.connect(name='good')
if not m.private_group.startswith('#good#'):
self.fail(m.private_group)
# The rest of the private_group name comes from whatever name was
# given to the local daemon in the spread.conf file, and we don't
# know what that is, so can't check it.
m.disconnect()
def testTwoConnect(self):
group = self._group()
mbox1 = self._connect()
mbox1.join(group)
mbox2 = self._connect()
mbox2.join(group)
msg1_1 = mbox1.receive()
msg1_2 = mbox1.receive()
msg2_1 = mbox2.receive()
self.assertEqual(msg1_1.reason, spread.CAUSED_BY_JOIN)
self.assertEqual(msg1_2.reason, spread.CAUSED_BY_JOIN)
self.assertEqual(msg2_1.reason, spread.CAUSED_BY_JOIN)
self.assertEqual(len(msg1_2.members), 2)
self.assertEqual(msg1_2.members, msg2_1.members)
mbox1.leave(group)
mbox2.leave(group)
mbox1.disconnect()
mbox2.disconnect()
def testTwoGroups(self):
mbox = self._connect()
group1 = self._group()
group2 = self._group()
mbox.join(group1)
mbox.join(group2)
mbox.leave(group1)
mbox.leave(group2)
msg1 = mbox.receive()
msg2 = mbox.receive()
msg3 = mbox.receive()
msg4 = mbox.receive()
self.assertEqual(msg1.reason, spread.CAUSED_BY_JOIN)
self.assertEqual(msg2.reason, spread.CAUSED_BY_JOIN)
self.assertEqual(len(msg1.members), 1)
self.assertEqual(len(msg2.members), 1)
self.assertEqual(msg1.members[0], mbox.private_group)
self.assertEqual(msg3.reason, spread.CAUSED_BY_LEAVE)
self.assertEqual(msg4.reason, spread.CAUSED_BY_LEAVE)
self.assertEqual(len(msg3.members), 0)
self.assertEqual(len(msg4.members), 0)
mbox.disconnect()
def testMultipleRecipients(self):
group, members = self._connect_group(12)
wr = members[0]
wr.multicast(spread.FIFO_MESS, group, "1")
for rd in members:
msg = rd.receive()
if not hasattr(msg, 'message'):
print msg
print msg.reason
print msg.svc_type
self.assertEqual(msg.message, "1")
self.assertEqual(msg.sender, wr.private_group)
self.assertEqual(len(msg.groups), 1)
self.assertEqual(msg.groups[0], group)
wr = members[0]
wr.multicast(spread.FIFO_MESS, group, "2")
for rd in members:
msg = rd.receive()
self.assertEqual(msg.message, "2")
self.assertEqual(msg.sender, wr.private_group)
self.assertEqual(len(msg.groups), 1)
self.assertEqual(msg.groups[0], group)
def testOneMessageMultipleRecipients(self):
group, members = self._connect_group(12)
member_private_names = tuple([m.private_group for m in members])
wr = members[0]
wr.multigroup_multicast(spread.FIFO_MESS, member_private_names, "1")
for rd in members:
msg = rd.receive()
self.assert_(hasattr(msg, 'message'))
self.assertEqual(msg.message, "1")
self.assertEqual(msg.sender, wr.private_group)
self.assertEqual(len(msg.groups), 12)
self.failUnless(rd.private_group in msg.groups)
wr.multigroup_multicast(spread.FIFO_MESS, member_private_names, "2")
for rd in members:
msg = rd.receive()
self.assertEqual(msg.message, "2")
self.assertEqual(msg.sender, wr.private_group)
self.assertEqual(len(msg.groups), 12)
self.failUnless(rd.private_group in msg.groups)
def testBigMessage(self):
group = self._group()
mbox = self._connect()
mbox.join(group)
self.assertEqual(type(mbox.receive()), spread.MembershipMsgType)
size = 2 * spread.DEFAULT_BUFFER_SIZE
try:
mbox.multicast(spread.SAFE_MESS, group, "X" * size)
except spread.error, err:
print err
print size
raise
msg = mbox.receive()
self.assertEqual(len(msg.message), size)
def testBigGroup(self):
group, members = self._connect_group(12)
m1 = members[1]
m2 = members[2]
m2.leave(group)
m1.receive()
def testUseAfterClose(self):
mbox = self._connect()
mbox.disconnect()
try:
mbox.receive()
except spread.error:
pass
else:
self.fail("use after close should have raised spread.error")
# Spawn a thread & send messages to it via Spread over the same mbox.
# This will almost certainly deadlock if the receive call in the
# receiver blocks all calls to Spread for the duration.
def testSelfSend(self):
try:
import thread
except ImportError:
print "skipping testSelfSend() -- it requires threads"
return
mbox = self._connect(0)
group = self._group()
msgs = ['aaa', 'bbb', 'ccc', 'quit!']
start = thread.allocate_lock()
stop = thread.allocate_lock()
start.acquire()
stop.acquire()
thread.start_new_thread(self.receiver,
(mbox, group, msgs, start, stop))
for msg in msgs:
start.acquire()
mbox.multicast(spread.FIFO_MESS, group, msg)
stop.acquire()
# Helper for testSelfSend.
def receiver(self, mbox, group, msgs, start, stop):
mbox.join(group)
for expected in msgs:
start.release()
msg = mbox.receive()
self.assertEqual(msg.message, expected)
mbox.leave(group)
stop.release()
if __name__ == "__main__":
unittest.main()