| 1 | n/a | """ |
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| 2 | n/a | Tests for kqueue wrapper. |
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| 3 | n/a | """ |
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| 4 | n/a | import errno |
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| 5 | n/a | import os |
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| 6 | n/a | import select |
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| 7 | n/a | import socket |
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| 8 | n/a | import time |
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| 9 | n/a | import unittest |
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| 10 | n/a | |
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| 11 | n/a | if not hasattr(select, "kqueue"): |
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| 12 | n/a | raise unittest.SkipTest("test works only on BSD") |
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| 13 | n/a | |
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| 14 | n/a | class TestKQueue(unittest.TestCase): |
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| 15 | n/a | def test_create_queue(self): |
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| 16 | n/a | kq = select.kqueue() |
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| 17 | n/a | self.assertTrue(kq.fileno() > 0, kq.fileno()) |
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| 18 | n/a | self.assertTrue(not kq.closed) |
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| 19 | n/a | kq.close() |
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| 20 | n/a | self.assertTrue(kq.closed) |
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| 21 | n/a | self.assertRaises(ValueError, kq.fileno) |
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| 22 | n/a | |
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| 23 | n/a | def test_create_event(self): |
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| 24 | n/a | from operator import lt, le, gt, ge |
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| 25 | n/a | |
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| 26 | n/a | fd = os.open(os.devnull, os.O_WRONLY) |
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| 27 | n/a | self.addCleanup(os.close, fd) |
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| 28 | n/a | |
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| 29 | n/a | ev = select.kevent(fd) |
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| 30 | n/a | other = select.kevent(1000) |
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| 31 | n/a | self.assertEqual(ev.ident, fd) |
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| 32 | n/a | self.assertEqual(ev.filter, select.KQ_FILTER_READ) |
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| 33 | n/a | self.assertEqual(ev.flags, select.KQ_EV_ADD) |
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| 34 | n/a | self.assertEqual(ev.fflags, 0) |
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| 35 | n/a | self.assertEqual(ev.data, 0) |
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| 36 | n/a | self.assertEqual(ev.udata, 0) |
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| 37 | n/a | self.assertEqual(ev, ev) |
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| 38 | n/a | self.assertNotEqual(ev, other) |
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| 39 | n/a | self.assertTrue(ev < other) |
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| 40 | n/a | self.assertTrue(other >= ev) |
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| 41 | n/a | for op in lt, le, gt, ge: |
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| 42 | n/a | self.assertRaises(TypeError, op, ev, None) |
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| 43 | n/a | self.assertRaises(TypeError, op, ev, 1) |
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| 44 | n/a | self.assertRaises(TypeError, op, ev, "ev") |
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| 45 | n/a | |
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| 46 | n/a | ev = select.kevent(fd, select.KQ_FILTER_WRITE) |
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| 47 | n/a | self.assertEqual(ev.ident, fd) |
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| 48 | n/a | self.assertEqual(ev.filter, select.KQ_FILTER_WRITE) |
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| 49 | n/a | self.assertEqual(ev.flags, select.KQ_EV_ADD) |
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| 50 | n/a | self.assertEqual(ev.fflags, 0) |
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| 51 | n/a | self.assertEqual(ev.data, 0) |
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| 52 | n/a | self.assertEqual(ev.udata, 0) |
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| 53 | n/a | self.assertEqual(ev, ev) |
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| 54 | n/a | self.assertNotEqual(ev, other) |
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| 55 | n/a | |
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| 56 | n/a | ev = select.kevent(fd, select.KQ_FILTER_WRITE, select.KQ_EV_ONESHOT) |
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| 57 | n/a | self.assertEqual(ev.ident, fd) |
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| 58 | n/a | self.assertEqual(ev.filter, select.KQ_FILTER_WRITE) |
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| 59 | n/a | self.assertEqual(ev.flags, select.KQ_EV_ONESHOT) |
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| 60 | n/a | self.assertEqual(ev.fflags, 0) |
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| 61 | n/a | self.assertEqual(ev.data, 0) |
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| 62 | n/a | self.assertEqual(ev.udata, 0) |
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| 63 | n/a | self.assertEqual(ev, ev) |
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| 64 | n/a | self.assertNotEqual(ev, other) |
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| 65 | n/a | |
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| 66 | n/a | ev = select.kevent(1, 2, 3, 4, 5, 6) |
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| 67 | n/a | self.assertEqual(ev.ident, 1) |
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| 68 | n/a | self.assertEqual(ev.filter, 2) |
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| 69 | n/a | self.assertEqual(ev.flags, 3) |
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| 70 | n/a | self.assertEqual(ev.fflags, 4) |
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| 71 | n/a | self.assertEqual(ev.data, 5) |
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| 72 | n/a | self.assertEqual(ev.udata, 6) |
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| 73 | n/a | self.assertEqual(ev, ev) |
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| 74 | n/a | self.assertNotEqual(ev, other) |
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| 75 | n/a | |
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| 76 | n/a | bignum = 0x7fff |
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| 77 | n/a | ev = select.kevent(bignum, 1, 2, 3, bignum - 1, bignum) |
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| 78 | n/a | self.assertEqual(ev.ident, bignum) |
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| 79 | n/a | self.assertEqual(ev.filter, 1) |
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| 80 | n/a | self.assertEqual(ev.flags, 2) |
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| 81 | n/a | self.assertEqual(ev.fflags, 3) |
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| 82 | n/a | self.assertEqual(ev.data, bignum - 1) |
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| 83 | n/a | self.assertEqual(ev.udata, bignum) |
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| 84 | n/a | self.assertEqual(ev, ev) |
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| 85 | n/a | self.assertNotEqual(ev, other) |
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| 86 | n/a | |
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| 87 | n/a | # Issue 11973 |
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| 88 | n/a | bignum = 0xffff |
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| 89 | n/a | ev = select.kevent(0, 1, bignum) |
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| 90 | n/a | self.assertEqual(ev.ident, 0) |
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| 91 | n/a | self.assertEqual(ev.filter, 1) |
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| 92 | n/a | self.assertEqual(ev.flags, bignum) |
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| 93 | n/a | self.assertEqual(ev.fflags, 0) |
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| 94 | n/a | self.assertEqual(ev.data, 0) |
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| 95 | n/a | self.assertEqual(ev.udata, 0) |
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| 96 | n/a | self.assertEqual(ev, ev) |
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| 97 | n/a | self.assertNotEqual(ev, other) |
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| 98 | n/a | |
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| 99 | n/a | # Issue 11973 |
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| 100 | n/a | bignum = 0xffffffff |
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| 101 | n/a | ev = select.kevent(0, 1, 2, bignum) |
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| 102 | n/a | self.assertEqual(ev.ident, 0) |
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| 103 | n/a | self.assertEqual(ev.filter, 1) |
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| 104 | n/a | self.assertEqual(ev.flags, 2) |
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| 105 | n/a | self.assertEqual(ev.fflags, bignum) |
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| 106 | n/a | self.assertEqual(ev.data, 0) |
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| 107 | n/a | self.assertEqual(ev.udata, 0) |
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| 108 | n/a | self.assertEqual(ev, ev) |
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| 109 | n/a | self.assertNotEqual(ev, other) |
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| 110 | n/a | |
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| 111 | n/a | |
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| 112 | n/a | def test_queue_event(self): |
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| 113 | n/a | serverSocket = socket.socket() |
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| 114 | n/a | serverSocket.bind(('127.0.0.1', 0)) |
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| 115 | n/a | serverSocket.listen() |
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| 116 | n/a | client = socket.socket() |
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| 117 | n/a | client.setblocking(False) |
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| 118 | n/a | try: |
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| 119 | n/a | client.connect(('127.0.0.1', serverSocket.getsockname()[1])) |
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| 120 | n/a | except OSError as e: |
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| 121 | n/a | self.assertEqual(e.args[0], errno.EINPROGRESS) |
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| 122 | n/a | else: |
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| 123 | n/a | #raise AssertionError("Connect should have raised EINPROGRESS") |
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| 124 | n/a | pass # FreeBSD doesn't raise an exception here |
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| 125 | n/a | server, addr = serverSocket.accept() |
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| 126 | n/a | |
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| 127 | n/a | kq = select.kqueue() |
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| 128 | n/a | kq2 = select.kqueue.fromfd(kq.fileno()) |
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| 129 | n/a | |
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| 130 | n/a | ev = select.kevent(server.fileno(), |
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| 131 | n/a | select.KQ_FILTER_WRITE, |
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| 132 | n/a | select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 133 | n/a | kq.control([ev], 0) |
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| 134 | n/a | ev = select.kevent(server.fileno(), |
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| 135 | n/a | select.KQ_FILTER_READ, |
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| 136 | n/a | select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 137 | n/a | kq.control([ev], 0) |
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| 138 | n/a | ev = select.kevent(client.fileno(), |
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| 139 | n/a | select.KQ_FILTER_WRITE, |
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| 140 | n/a | select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 141 | n/a | kq2.control([ev], 0) |
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| 142 | n/a | ev = select.kevent(client.fileno(), |
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| 143 | n/a | select.KQ_FILTER_READ, |
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| 144 | n/a | select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 145 | n/a | kq2.control([ev], 0) |
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| 146 | n/a | |
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| 147 | n/a | events = kq.control(None, 4, 1) |
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| 148 | n/a | events = set((e.ident, e.filter) for e in events) |
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| 149 | n/a | self.assertEqual(events, set([ |
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| 150 | n/a | (client.fileno(), select.KQ_FILTER_WRITE), |
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| 151 | n/a | (server.fileno(), select.KQ_FILTER_WRITE)])) |
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| 152 | n/a | |
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| 153 | n/a | client.send(b"Hello!") |
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| 154 | n/a | server.send(b"world!!!") |
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| 155 | n/a | |
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| 156 | n/a | # We may need to call it several times |
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| 157 | n/a | for i in range(10): |
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| 158 | n/a | events = kq.control(None, 4, 1) |
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| 159 | n/a | if len(events) == 4: |
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| 160 | n/a | break |
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| 161 | n/a | time.sleep(1.0) |
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| 162 | n/a | else: |
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| 163 | n/a | self.fail('timeout waiting for event notifications') |
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| 164 | n/a | |
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| 165 | n/a | events = set((e.ident, e.filter) for e in events) |
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| 166 | n/a | self.assertEqual(events, set([ |
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| 167 | n/a | (client.fileno(), select.KQ_FILTER_WRITE), |
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| 168 | n/a | (client.fileno(), select.KQ_FILTER_READ), |
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| 169 | n/a | (server.fileno(), select.KQ_FILTER_WRITE), |
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| 170 | n/a | (server.fileno(), select.KQ_FILTER_READ)])) |
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| 171 | n/a | |
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| 172 | n/a | # Remove completely client, and server read part |
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| 173 | n/a | ev = select.kevent(client.fileno(), |
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| 174 | n/a | select.KQ_FILTER_WRITE, |
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| 175 | n/a | select.KQ_EV_DELETE) |
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| 176 | n/a | kq.control([ev], 0) |
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| 177 | n/a | ev = select.kevent(client.fileno(), |
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| 178 | n/a | select.KQ_FILTER_READ, |
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| 179 | n/a | select.KQ_EV_DELETE) |
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| 180 | n/a | kq.control([ev], 0) |
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| 181 | n/a | ev = select.kevent(server.fileno(), |
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| 182 | n/a | select.KQ_FILTER_READ, |
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| 183 | n/a | select.KQ_EV_DELETE) |
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| 184 | n/a | kq.control([ev], 0, 0) |
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| 185 | n/a | |
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| 186 | n/a | events = kq.control([], 4, 0.99) |
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| 187 | n/a | events = set((e.ident, e.filter) for e in events) |
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| 188 | n/a | self.assertEqual(events, set([ |
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| 189 | n/a | (server.fileno(), select.KQ_FILTER_WRITE)])) |
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| 190 | n/a | |
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| 191 | n/a | client.close() |
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| 192 | n/a | server.close() |
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| 193 | n/a | serverSocket.close() |
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| 194 | n/a | |
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| 195 | n/a | def testPair(self): |
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| 196 | n/a | kq = select.kqueue() |
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| 197 | n/a | a, b = socket.socketpair() |
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| 198 | n/a | |
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| 199 | n/a | a.send(b'foo') |
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| 200 | n/a | event1 = select.kevent(a, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 201 | n/a | event2 = select.kevent(b, select.KQ_FILTER_READ, select.KQ_EV_ADD | select.KQ_EV_ENABLE) |
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| 202 | n/a | r = kq.control([event1, event2], 1, 1) |
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| 203 | n/a | self.assertTrue(r) |
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| 204 | n/a | self.assertFalse(r[0].flags & select.KQ_EV_ERROR) |
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| 205 | n/a | self.assertEqual(b.recv(r[0].data), b'foo') |
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| 206 | n/a | |
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| 207 | n/a | a.close() |
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| 208 | n/a | b.close() |
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| 209 | n/a | kq.close() |
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| 210 | n/a | |
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| 211 | n/a | def test_close(self): |
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| 212 | n/a | open_file = open(__file__, "rb") |
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| 213 | n/a | self.addCleanup(open_file.close) |
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| 214 | n/a | fd = open_file.fileno() |
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| 215 | n/a | kqueue = select.kqueue() |
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| 216 | n/a | |
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| 217 | n/a | # test fileno() method and closed attribute |
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| 218 | n/a | self.assertIsInstance(kqueue.fileno(), int) |
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| 219 | n/a | self.assertFalse(kqueue.closed) |
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| 220 | n/a | |
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| 221 | n/a | # test close() |
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| 222 | n/a | kqueue.close() |
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| 223 | n/a | self.assertTrue(kqueue.closed) |
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| 224 | n/a | self.assertRaises(ValueError, kqueue.fileno) |
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| 225 | n/a | |
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| 226 | n/a | # close() can be called more than once |
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| 227 | n/a | kqueue.close() |
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| 228 | n/a | |
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| 229 | n/a | # operations must fail with ValueError("I/O operation on closed ...") |
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| 230 | n/a | self.assertRaises(ValueError, kqueue.control, None, 4) |
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| 231 | n/a | |
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| 232 | n/a | def test_fd_non_inheritable(self): |
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| 233 | n/a | kqueue = select.kqueue() |
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| 234 | n/a | self.addCleanup(kqueue.close) |
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| 235 | n/a | self.assertEqual(os.get_inheritable(kqueue.fileno()), False) |
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| 236 | n/a | |
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| 237 | n/a | |
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| 238 | n/a | if __name__ == "__main__": |
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| 239 | n/a | unittest.main() |
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