Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_kqueue.py @ 48416:fb02fedfe647

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Merged revisions 64677 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64677 | brett.cannon | 2008-07-02 14:52:42 -0700 (Wed, 02 Jul 2008) | 2 lines Revert r64673 and instead just change the file encoding. ........
author Brett Cannon <bcannon@gmail.com>
date Wed, 02 Jul 2008 22:06:12 +0000
parents 9c930a32cebb
children 578dd78fb557
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rev   line source
45996
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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 support.TestSkipped("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.assert_(kq.fileno() > 0, kq.fileno())
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19 self.assert_(not kq.closed)
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20 kq.close()
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21 self.assert_(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 fd = sys.stderr.fileno()
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26 ev = select.kevent(fd)
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27 other = select.kevent(1000)
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28 self.assertEqual(ev.ident, fd)
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29 self.assertEqual(ev.filter, select.KQ_FILTER_READ)
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30 self.assertEqual(ev.flags, select.KQ_EV_ADD)
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31 self.assertEqual(ev.fflags, 0)
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32 self.assertEqual(ev.data, 0)
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33 self.assertEqual(ev.udata, 0)
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34 self.assertEqual(ev, ev)
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35 self.assertNotEqual(ev, other)
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36 self.assertEqual(cmp(ev, other), -1)
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37 self.assert_(ev < other)
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38 self.assert_(other >= ev)
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39 self.assertRaises(TypeError, cmp, ev, None)
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40 self.assertRaises(TypeError, cmp, ev, 1)
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41 self.assertRaises(TypeError, cmp, ev, "ev")
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42
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43 ev = select.kevent(fd, select.KQ_FILTER_WRITE)
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44 self.assertEqual(ev.ident, fd)
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45 self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
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46 self.assertEqual(ev.flags, select.KQ_EV_ADD)
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47 self.assertEqual(ev.fflags, 0)
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48 self.assertEqual(ev.data, 0)
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49 self.assertEqual(ev.udata, 0)
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50 self.assertEqual(ev, ev)
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51 self.assertNotEqual(ev, other)
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52
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53 ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT)
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54 self.assertEqual(ev.ident, fd)
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55 self.assertEqual(ev.filter, select.KQ_FILTER_WRITE)
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56 self.assertEqual(ev.flags, select.KQ_EV_ONESHOT)
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57 self.assertEqual(ev.fflags, 0)
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58 self.assertEqual(ev.data, 0)
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59 self.assertEqual(ev.udata, 0)
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60 self.assertEqual(ev, ev)
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61 self.assertNotEqual(ev, other)
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62
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63 ev = select.kevent(1, 2, 3, 4, 5, 6)
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64 self.assertEqual(ev.ident, 1)
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65 self.assertEqual(ev.filter, 2)
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66 self.assertEqual(ev.flags, 3)
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67 self.assertEqual(ev.fflags, 4)
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68 self.assertEqual(ev.data, 5)
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69 self.assertEqual(ev.udata, 6)
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70 self.assertEqual(ev, ev)
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71 self.assertNotEqual(ev, other)
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72
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73 def test_queue_event(self):
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74 serverSocket = socket.socket()
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75 serverSocket.bind(('127.0.0.1', 0))
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76 serverSocket.listen(1)
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77 client = socket.socket()
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78 client.setblocking(False)
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79 try:
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80 client.connect(('127.0.0.1', serverSocket.getsockname()[1]))
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81 except socket.error as e:
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82 self.assertEquals(e.args[0], errno.EINPROGRESS)
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83 else:
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84 #raise AssertionError("Connect should have raised EINPROGRESS")
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85 pass # FreeBSD doesn't raise an exception here
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86 server, addr = serverSocket.accept()
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87
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88 if sys.platform.startswith("darwin"):
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89 flags = select.KQ_EV_ADD | select.KQ_EV_ENABLE
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90 else:
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91 flags = 0
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92
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93 kq = select.kqueue()
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94 kq2 = select.kqueue.fromfd(kq.fileno())
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95
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96 ev = select.kevent(server.fileno(),
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97 select.KQ_FILTER_WRITE,
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98 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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99 kq.control([ev], 0)
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100 ev = select.kevent(server.fileno(),
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101 select.KQ_FILTER_READ,
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102 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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103 kq.control([ev], 0)
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104 ev = select.kevent(client.fileno(),
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105 select.KQ_FILTER_WRITE,
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106 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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107 kq2.control([ev], 0)
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108 ev = select.kevent(client.fileno(),
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109 select.KQ_FILTER_READ,
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110 select.KQ_EV_ADD | select.KQ_EV_ENABLE)
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111 kq2.control([ev], 0)
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112
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113 events = kq.control(None, 4, 1)
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114 events = [(e.ident, e.filter, e.flags) for e in events]
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115 events.sort()
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116 self.assertEquals(events, [
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117 (client.fileno(), select.KQ_FILTER_WRITE, flags),
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118 (server.fileno(), select.KQ_FILTER_WRITE, flags)])
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119
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120 client.send(b"Hello!")
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121 server.send(b"world!!!")
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122
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123 events = kq.control(None, 4, 1)
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124 # We may need to call it several times
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125 for i in range(5):
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126 if len(events) == 4:
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127 break
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128 events = kq.control(None, 4, 1)
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129 events = [(e.ident, e.filter, e.flags) for e in events]
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130 events.sort()
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131
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132 self.assertEquals(events, [
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133 (client.fileno(), select.KQ_FILTER_WRITE, flags),
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134 (client.fileno(), select.KQ_FILTER_READ, flags),
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135 (server.fileno(), select.KQ_FILTER_WRITE, flags),
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136 (server.fileno(), select.KQ_FILTER_READ, flags)])
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137
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138 # Remove completely client, and server read part
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139 ev = select.kevent(client.fileno(),
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140 select.KQ_FILTER_WRITE,
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141 select.KQ_EV_DELETE)
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142 kq.control([ev], 0)
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143 ev = select.kevent(client.fileno(),
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144 select.KQ_FILTER_READ,
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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(server.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, 0)
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151
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152 events = kq.control([], 4, 0.99)
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153 events = [(e.ident, e.filter, e.flags) for e in events]
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154 events.sort()
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155 self.assertEquals(events, [
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156 (server.fileno(), select.KQ_FILTER_WRITE, flags)])
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157
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158 client.close()
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159 server.close()
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160 serverSocket.close()
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161
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162 def test_main():
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163 support.run_unittest(TestKQueue)
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164
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165 if __name__ == "__main__":
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166 test_main()