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
|
import errno
import os
import sys
import tempfile
import threading
import unittest
from test import support
from test.support import threading_helper
from test.support.import_helper import import_module
termios = import_module('termios')
@unittest.skipUnless(hasattr(os, 'openpty'), "need os.openpty()")
class TestFunctions(unittest.TestCase):
def setUp(self):
self.master_fd, self.fd = os.openpty()
self.addCleanup(os.close, self.master_fd)
self.stream = self.enterContext(open(self.fd, 'wb', buffering=0))
tmp = self.enterContext(tempfile.TemporaryFile(mode='wb', buffering=0))
self.bad_fd = tmp.fileno()
def assertRaisesTermiosError(self, errno, callable, *args):
with self.assertRaises(termios.error) as cm:
callable(*args)
self.assertEqual(cm.exception.args[0], errno)
def test_tcgetattr(self):
attrs = termios.tcgetattr(self.fd)
self.assertIsInstance(attrs, list)
self.assertEqual(len(attrs), 7)
for i in range(6):
self.assertIsInstance(attrs[i], int)
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = attrs
self.assertIsInstance(cc, list)
self.assertEqual(len(cc), termios.NCCS)
for i, x in enumerate(cc):
if ((lflag & termios.ICANON) == 0 and
(i == termios.VMIN or i == termios.VTIME)):
self.assertIsInstance(x, int)
else:
self.assertIsInstance(x, bytes)
self.assertEqual(len(x), 1)
self.assertEqual(termios.tcgetattr(self.stream), attrs)
def test_tcgetattr_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetattr, self.bad_fd)
self.assertRaises(ValueError, termios.tcgetattr, -1)
self.assertRaises(OverflowError, termios.tcgetattr, 2**1000)
self.assertRaises(TypeError, termios.tcgetattr, object())
self.assertRaises(TypeError, termios.tcgetattr)
def test_tcsetattr(self):
attrs = termios.tcgetattr(self.fd)
termios.tcsetattr(self.fd, termios.TCSANOW, attrs)
termios.tcsetattr(self.fd, termios.TCSADRAIN, attrs)
termios.tcsetattr(self.fd, termios.TCSAFLUSH, attrs)
termios.tcsetattr(self.stream, termios.TCSANOW, attrs)
def test_tcsetattr_errors(self):
attrs = termios.tcgetattr(self.fd)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, tuple(attrs))
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1])
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs + [0])
for i in range(6):
attrs2 = attrs[:]
attrs2[i] = 2**1000
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[i] = object()
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1][:-1]])
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs[:-1] + [attrs[-1] + [b'\0']])
for i in range(len(attrs[-1])):
attrs2 = attrs[:]
attrs2[-1] = attrs2[-1][:]
attrs2[-1][i] = 2**1000
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = object()
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = b''
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
attrs2[-1][i] = b'\0\0'
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, attrs2)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW, object())
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
self.assertRaisesTermiosError(errno.EINVAL, termios.tcsetattr, self.fd, -1, attrs)
self.assertRaises(OverflowError, termios.tcsetattr, self.fd, 2**1000, attrs)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, object(), attrs)
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetattr, self.bad_fd, termios.TCSANOW, attrs)
self.assertRaises(ValueError, termios.tcsetattr, -1, termios.TCSANOW, attrs)
self.assertRaises(OverflowError, termios.tcsetattr, 2**1000, termios.TCSANOW, attrs)
self.assertRaises(TypeError, termios.tcsetattr, object(), termios.TCSANOW, attrs)
self.assertRaises(TypeError, termios.tcsetattr, self.fd, termios.TCSANOW)
def test_tcsendbreak(self):
try:
termios.tcsendbreak(self.fd, 1)
except termios.error as exc:
if exc.args[0] == errno.ENOTTY and sys.platform.startswith(('freebsd', "netbsd")):
self.skipTest('termios.tcsendbreak() is not supported '
'with pseudo-terminals (?) on this platform')
raise
termios.tcsendbreak(self.stream, 1)
def test_tcsendbreak_errors(self):
self.assertRaises(OverflowError, termios.tcsendbreak, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd, 0.0)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsendbreak, self.bad_fd, 0)
self.assertRaises(ValueError, termios.tcsendbreak, -1, 0)
self.assertRaises(OverflowError, termios.tcsendbreak, 2**1000, 0)
self.assertRaises(TypeError, termios.tcsendbreak, object(), 0)
self.assertRaises(TypeError, termios.tcsendbreak, self.fd)
def test_tcdrain(self):
termios.tcdrain(self.fd)
termios.tcdrain(self.stream)
def test_tcdrain_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcdrain, self.bad_fd)
self.assertRaises(ValueError, termios.tcdrain, -1)
self.assertRaises(OverflowError, termios.tcdrain, 2**1000)
self.assertRaises(TypeError, termios.tcdrain, object())
self.assertRaises(TypeError, termios.tcdrain)
def test_tcflush(self):
termios.tcflush(self.fd, termios.TCIFLUSH)
termios.tcflush(self.fd, termios.TCOFLUSH)
termios.tcflush(self.fd, termios.TCIOFLUSH)
def test_tcflush_errors(self):
self.assertRaisesTermiosError(errno.EINVAL, termios.tcflush, self.fd, -1)
self.assertRaises(OverflowError, termios.tcflush, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcflush, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflush, self.bad_fd, termios.TCIFLUSH)
self.assertRaises(ValueError, termios.tcflush, -1, termios.TCIFLUSH)
self.assertRaises(OverflowError, termios.tcflush, 2**1000, termios.TCIFLUSH)
self.assertRaises(TypeError, termios.tcflush, object(), termios.TCIFLUSH)
self.assertRaises(TypeError, termios.tcflush, self.fd)
def test_tcflush_clear_input_or_output(self):
wfd = self.fd
rfd = self.master_fd
# The data is buffered in the input buffer on Linux, and in
# the output buffer on other platforms.
inbuf = sys.platform in ('linux', 'android')
os.write(wfd, b'abcdef')
self.assertEqual(os.read(rfd, 2), b'ab')
if inbuf:
# don't flush input
termios.tcflush(rfd, termios.TCOFLUSH)
else:
# don't flush output
termios.tcflush(wfd, termios.TCIFLUSH)
self.assertEqual(os.read(rfd, 2), b'cd')
if inbuf:
# flush input
termios.tcflush(rfd, termios.TCIFLUSH)
else:
# flush output
termios.tcflush(wfd, termios.TCOFLUSH)
os.write(wfd, b'ABCDEF')
self.assertEqual(os.read(rfd, 1024), b'ABCDEF')
def test_tcflow(self):
termios.tcflow(self.fd, termios.TCOOFF)
termios.tcflow(self.fd, termios.TCOON)
termios.tcflow(self.fd, termios.TCIOFF)
termios.tcflow(self.fd, termios.TCION)
def test_tcflow_errors(self):
self.assertRaisesTermiosError(errno.EINVAL, termios.tcflow, self.fd, -1)
self.assertRaises(OverflowError, termios.tcflow, self.fd, 2**1000)
self.assertRaises(TypeError, termios.tcflow, self.fd, object())
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcflow, self.bad_fd, termios.TCOON)
self.assertRaises(ValueError, termios.tcflow, -1, termios.TCOON)
self.assertRaises(OverflowError, termios.tcflow, 2**1000, termios.TCOON)
self.assertRaises(TypeError, termios.tcflow, object(), termios.TCOON)
self.assertRaises(TypeError, termios.tcflow, self.fd)
@unittest.skipUnless(sys.platform == 'linux', 'only works on Linux')
def test_tcflow_suspend_and_resume_output(self):
wfd = self.fd
rfd = self.master_fd
write_suspended = threading.Event()
write_finished = threading.Event()
def writer():
os.write(wfd, b'abc')
self.assertTrue(write_suspended.wait(support.SHORT_TIMEOUT))
os.write(wfd, b'def')
write_finished.set()
with threading_helper.start_threads([threading.Thread(target=writer)]):
self.assertEqual(os.read(rfd, 3), b'abc')
try:
try:
termios.tcflow(wfd, termios.TCOOFF)
finally:
write_suspended.set()
self.assertFalse(write_finished.wait(0.5),
'output was not suspended')
finally:
termios.tcflow(wfd, termios.TCOON)
self.assertTrue(write_finished.wait(support.SHORT_TIMEOUT),
'output was not resumed')
self.assertEqual(os.read(rfd, 1024), b'def')
def test_tcgetwinsize(self):
size = termios.tcgetwinsize(self.fd)
self.assertIsInstance(size, tuple)
self.assertEqual(len(size), 2)
self.assertIsInstance(size[0], int)
self.assertIsInstance(size[1], int)
self.assertEqual(termios.tcgetwinsize(self.stream), size)
def test_tcgetwinsize_errors(self):
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcgetwinsize, self.bad_fd)
self.assertRaises(ValueError, termios.tcgetwinsize, -1)
self.assertRaises(OverflowError, termios.tcgetwinsize, 2**1000)
self.assertRaises(TypeError, termios.tcgetwinsize, object())
self.assertRaises(TypeError, termios.tcgetwinsize)
def test_tcsetwinsize(self):
size = termios.tcgetwinsize(self.fd)
termios.tcsetwinsize(self.fd, size)
termios.tcsetwinsize(self.fd, list(size))
termios.tcsetwinsize(self.stream, size)
def test_tcsetwinsize_errors(self):
size = termios.tcgetwinsize(self.fd)
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size[:-1])
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, size + (0,))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, object())
self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (size[0], 2**1000))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], float(size[1])))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (size[0], object()))
self.assertRaises(OverflowError, termios.tcsetwinsize, self.fd, (2**1000, size[1]))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (float(size[0]), size[1]))
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd, (object(), size[1]))
self.assertRaisesTermiosError(errno.ENOTTY, termios.tcsetwinsize, self.bad_fd, size)
self.assertRaises(ValueError, termios.tcsetwinsize, -1, size)
self.assertRaises(OverflowError, termios.tcsetwinsize, 2**1000, size)
self.assertRaises(TypeError, termios.tcsetwinsize, object(), size)
self.assertRaises(TypeError, termios.tcsetwinsize, self.fd)
class TestModule(unittest.TestCase):
def test_constants(self):
self.assertIsInstance(termios.B0, int)
self.assertIsInstance(termios.B38400, int)
self.assertIsInstance(termios.TCSANOW, int)
self.assertIsInstance(termios.TCSADRAIN, int)
self.assertIsInstance(termios.TCSAFLUSH, int)
self.assertIsInstance(termios.TCIFLUSH, int)
self.assertIsInstance(termios.TCOFLUSH, int)
self.assertIsInstance(termios.TCIOFLUSH, int)
self.assertIsInstance(termios.TCOOFF, int)
self.assertIsInstance(termios.TCOON, int)
self.assertIsInstance(termios.TCIOFF, int)
self.assertIsInstance(termios.TCION, int)
self.assertIsInstance(termios.VTIME, int)
self.assertIsInstance(termios.VMIN, int)
self.assertIsInstance(termios.NCCS, int)
self.assertLess(termios.VTIME, termios.NCCS)
self.assertLess(termios.VMIN, termios.NCCS)
def test_exception(self):
self.assertTrue(issubclass(termios.error, Exception))
self.assertFalse(issubclass(termios.error, OSError))
if __name__ == '__main__':
unittest.main()
|
