Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_kqueue.py @ 64166:d0e9febfa00a 3.1

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Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........
author Martin v. Löwis <martin@v.loewis.de>
date Thu, 19 Aug 2010 09:03:03 +0000
parents 0148417e1301
children 2beb25369289 f89a93a778a8
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1 """
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2 Tests for kqueue wrapper.
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3 """
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4 import socket
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5 import errno
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6 import time
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7 import select
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8 import sys
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9 import unittest
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10
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11 from test import support
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12 if not hasattr(select, "kqueue"):
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13 raise unittest.SkipTest("test works only on BSD")
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14
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15 class TestKQueue(unittest.TestCase):
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16 def test_create_queue(self):
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17 kq = select.kqueue()
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18 self.assertTrue(kq.fileno() > 0, kq.fileno())
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19 self.assertTrue(not kq.closed)
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20 kq.close()
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21 self.assertTrue(kq.closed)
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22 self.assertRaises(ValueError, kq.fileno)
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23
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24 def test_create_event(self):
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25 from operator import lt, le, gt, ge
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26 fd = sys.stderr.fileno()
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27 ev = select.kevent(fd)
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28 other = select.kevent(1000)
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29 self.assertEqual(ev.ident, fd)
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30 self.assertEqual(ev.filter, select.KQ_FILTER_READ)
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31 self.assertEqual(ev.flags, select.KQ_EV_ADD)
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32 self.assertEqual(ev.fflags, 0)
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33 self.assertEqual(ev.data, 0)
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34 self.assertEqual(ev.udata, 0)
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35 self.assertEqual(ev, ev)
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36 self.assertNotEqual(ev, other)
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37 self.assertTrue(ev < other)
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38 self.assertTrue(other >= ev)
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39 for op in lt, le, gt, ge:
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40 self.assertRaises(TypeError, op, ev, None)
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41 self.assertRaises(TypeError, op, ev, 1)
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42 self.assertRaises(TypeError, op, ev, "ev")
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43
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44 ev = select.kevent(fd, select.KQ_FILTER_WRITE)
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45 self.assertEqual(ev.ident, fd)
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46 self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
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47 self.assertEqual(ev.flags, select.KQ_EV_ADD)
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48 self.assertEqual(ev.fflags, 0)
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49 self.assertEqual(ev.data, 0)
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50 self.assertEqual(ev.udata, 0)
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51 self.assertEqual(ev, ev)
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52 self.assertNotEqual(ev, other)
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53
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54 ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT)
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55 self.assertEqual(ev.ident, fd)
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56 self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
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57 self.assertEqual(ev.flags, select.KQ_EV_ONESHOT)
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58 self.assertEqual(ev.fflags, 0)
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59 self.assertEqual(ev.data, 0)
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60 self.assertEqual(ev.udata, 0)
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61 self.assertEqual(ev, ev)
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62 self.assertNotEqual(ev, other)
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63
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64 ev = select.kevent(1, 2, 3, 4, 5, 6)
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65 self.assertEqual(ev.ident, 1)
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66 self.assertEqual(ev.filter, 2)
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67 self.assertEqual(ev.flags, 3)
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68 self.assertEqual(ev.fflags, 4)
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69 self.assertEqual(ev.data, 5)
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70 self.assertEqual(ev.udata, 6)
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71 self.assertEqual(ev, ev)
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72 self.assertNotEqual(ev, other)
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73
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74 def test_queue_event(self):
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75 serverSocket = socket.socket()
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76 serverSocket.bind(('127.0.0.1', 0))
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77 serverSocket.listen(1)
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78 client = socket.socket()
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79 client.setblocking(False)
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80 try:
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81 client.connect(('127.0.0.1', serverSocket.getsockname()[1]))
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82 except socket.error as e:
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83 self.assertEquals(e.args[0], errno.EINPROGRESS)
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84 else:
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85 #raise AssertionError("Connect should have raised EINPROGRESS")
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86 pass # FreeBSD doesn't raise an exception here
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87 server, addr = serverSocket.accept()
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88
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89 if sys.platform.startswith("darwin"):
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90 flags = select.KQ_EV_ADD | select.KQ_EV_ENABLE
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91 else:
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92 flags = 0
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93
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94 kq = select.kqueue()
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95 kq2 = select.kqueue.fromfd(kq.fileno())
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96
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97 ev = select.kevent(server.fileno(),
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98 select.KQ_FILTER_WRITE,
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99 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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100 kq.control([ev], 0)
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101 ev = select.kevent(server.fileno(),
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102 select.KQ_FILTER_READ,
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103 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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104 kq.control([ev], 0)
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105 ev = select.kevent(client.fileno(),
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106 select.KQ_FILTER_WRITE,
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107 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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108 kq2.control([ev], 0)
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109 ev = select.kevent(client.fileno(),
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110 select.KQ_FILTER_READ,
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111 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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112 kq2.control([ev], 0)
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113
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114 events = kq.control(None, 4, 1)
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115 events = [(e.ident, e.filter, e.flags) for e in events]
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116 events.sort()
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117 self.assertEquals(events, [
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118 (client.fileno(), select.KQ_FILTER_WRITE, flags),
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119 (server.fileno(), select.KQ_FILTER_WRITE, flags)])
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120
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121 client.send(b"Hello!")
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122 server.send(b"world!!!")
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123
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124 # We may need to call it several times
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125 for i in range(10):
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126 events = kq.control(None, 4, 1)
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127 if len(events) == 4:
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128 break
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129 time.sleep(1.0)
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130 else:
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131 self.fail('timeout waiting for event notifications')
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132
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133 events = [(e.ident, e.filter, e.flags) for e in events]
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134 events.sort()
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135
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136 self.assertEquals(events, [
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137 (client.fileno(), select.KQ_FILTER_WRITE, flags),
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138 (client.fileno(), select.KQ_FILTER_READ, flags),
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139 (server.fileno(), select.KQ_FILTER_WRITE, flags),
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140 (server.fileno(), select.KQ_FILTER_READ, flags)])
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141
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142 # Remove completely client, and server read part
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143 ev = select.kevent(client.fileno(),
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144 select.KQ_FILTER_WRITE,
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145 select.KQ_EV_DELETE)
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146 kq.control([ev], 0)
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147 ev = select.kevent(client.fileno(),
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148 select.KQ_FILTER_READ,
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149 select.KQ_EV_DELETE)
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150 kq.control([ev], 0)
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151 ev = select.kevent(server.fileno(),
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152 select.KQ_FILTER_READ,
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153 select.KQ_EV_DELETE)
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154 kq.control([ev], 0, 0)
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155
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156 events = kq.control([], 4, 0.99)
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157 events = [(e.ident, e.filter, e.flags) for e in events]
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158 events.sort()
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159 self.assertEquals(events, [
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160 (server.fileno(), select.KQ_FILTER_WRITE, flags)])
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161
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162 client.close()
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163 server.close()
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164 serverSocket.close()
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165
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166 def testPair(self):
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167 kq = select.kqueue()
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168 a, b = socket.socketpair()
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169
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170 a.send(b'foo')
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171 event1 = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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172 event2 = select.kevent(b, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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173 r = kq.control([event1, event2], 1, 1)
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174 self.assertTrue(r)
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175 self.assertFalse(r[0].flags & select.KQ_EV_ERROR)
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176 self.assertEquals(b.recv(r[0].data), b'foo')
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177
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178 a.close()
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179 b.close()
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180 kq.close()
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181
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182 def test_main():
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9c930a32cebb #2621 rename test.test_support to test.support
Benjamin Peterson <benjamin@python.org>
parents: 45996
diff changeset
183 support.run_unittest(TestKQueue)
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
184
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
185 if __name__ == "__main__":
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
186 test_main()