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
|
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import platform
import tempfile
import sys
import time
import pexpect
import unittest
from . import PexpectTestCase
# the program cat(1) may display ^D\x08\x08 when \x04 (EOF, Ctrl-D) is sent
_CAT_EOF = '^D\x08\x08'
class UnicodeTests(PexpectTestCase.PexpectTestCase):
def test_expect_basic (self):
p = pexpect.spawnu('cat')
p.sendline('Hello')
p.sendline('there')
p.sendline('Mr. þython') # þ is more like th than p, but never mind
p.expect('Hello')
p.expect('there')
p.expect('Mr. þython')
p.sendeof ()
p.expect (pexpect.EOF)
def test_expect_exact_basic (self):
p = pexpect.spawnu('cat')
p.sendline('Hello')
p.sendline('there')
p.sendline('Mr. þython')
p.expect_exact('Hello')
p.expect_exact('there')
p.expect_exact('Mr. þython')
p.sendeof()
p.expect_exact (pexpect.EOF)
def test_expect_setecho_toggle(self):
'''This tests that echo may be toggled off.
'''
p = pexpect.spawnu('cat', timeout=5)
try:
self._expect_echo_toggle_off(p)
except IOError:
if sys.platform.lower().startswith('sunos'):
if hasattr(unittest, 'SkipTest'):
raise unittest.SkipTest("Not supported on this platform.")
return 'skip'
raise
self._expect_echo_toggle_on(p)
def test_expect_echo_exact (self):
'''Like test_expect_echo(), but using expect_exact().
'''
p = pexpect.spawnu('cat', timeout=5)
p.expect = p.expect_exact
self._expect_echo(p)
def test_expect_setecho_toggle_exact(self):
p = pexpect.spawnu('cat', timeout=5)
p.expect = p.expect_exact
try:
self._expect_echo_toggle_off(p)
except IOError:
if sys.platform.lower().startswith('sunos'):
if hasattr(unittest, 'SkipTest'):
raise unittest.SkipTest("Not supported on this platform.")
return 'skip'
raise
self._expect_echo_toggle_on(p)
def _expect_echo (self, p):
p.sendline('1234') # Should see this twice (once from tty echo and again from cat).
index = p.expect (['1234', 'abcdé', 'wxyz', pexpect.EOF, pexpect.TIMEOUT])
assert index == 0, (index, p.before)
index = p.expect (['1234', 'abcdé', 'wxyz', pexpect.EOF])
assert index == 0, index
def _expect_echo_toggle_off(self, p):
p.setecho(0) # Turn off tty echo
p.waitnoecho()
p.sendline('abcdé') # Now, should only see this once.
p.sendline('wxyz') # Should also be only once.
index = p.expect ([pexpect.EOF,pexpect.TIMEOUT, 'abcdé', 'wxyz', '1234'])
assert index == 2, index
index = p.expect ([pexpect.EOF, 'abcdé', 'wxyz', '7890'])
assert index == 2, index
def _expect_echo_toggle_on(self, p):
p.setecho(1) # Turn on tty echo
time.sleep(0.2) # there is no waitecho() !
p.sendline('7890') # Should see this twice.
index = p.expect ([pexpect.EOF, 'abcdé', 'wxyz', '7890'])
assert index == 3, index
index = p.expect ([pexpect.EOF, 'abcdé', 'wxyz', '7890'])
assert index == 3, index
p.sendeof()
def test_log_unicode(self):
msg = "abcΩ÷"
filename_send = tempfile.mktemp()
filename_read = tempfile.mktemp()
p = pexpect.spawnu('cat')
if platform.python_version_tuple() < ('3', '0', '0'):
import codecs
def open(fname, mode, **kwargs):
if 'newline' in kwargs:
del kwargs['newline']
return codecs.open(fname, mode, **kwargs)
else:
import io
open = io.open
p.logfile_send = open(filename_send, 'w', encoding='utf-8')
p.logfile_read = open(filename_read, 'w', encoding='utf-8')
p.sendline(msg)
p.sendeof()
p.expect(pexpect.EOF)
p.close()
p.logfile_send.close()
p.logfile_read.close()
# ensure the 'send' log is correct,
with open(filename_send, 'r', encoding='utf-8') as f:
self.assertEqual(f.read(), msg + '\n\x04')
# ensure the 'read' log is correct,
with open(filename_read, 'r', encoding='utf-8', newline='') as f:
output = f.read().replace(_CAT_EOF, '')
self.assertEqual(output, (msg + '\r\n')*2 )
def test_spawn_expect_ascii_unicode(self):
# A bytes-based spawn should be able to handle ASCII-only unicode, for
# backwards compatibility.
p = pexpect.spawn('cat')
p.sendline('Camelot')
p.expect('Camelot')
p.sendline('Aargh')
p.sendline('Aårgh')
p.expect_exact('Aargh')
p.sendeof()
p.expect(pexpect.EOF)
def test_spawn_send_unicode(self):
# A bytes-based spawn should be able to send arbitrary unicode
p = pexpect.spawn('cat')
p.sendline('3½')
p.sendeof()
p.expect(pexpect.EOF)
def test_spawn_utf8_incomplete(self):
# This test case ensures correct incremental decoding, which
# otherwise fails when the stream inspected by os.read()
# does not align exactly at a utf-8 multibyte boundary:
# UnicodeDecodeError: 'utf8' codec can't decode byte 0xe2 in
# position 0: unexpected end of data
p = pexpect.spawnu('cat', maxread=1)
p.sendline('▁▂▃▄▅▆▇█')
p.sendeof()
p.expect('▁▂▃▄▅▆▇█')
def test_readline_bin_echo(self):
# Test using readline() with spawnu objects. pexpect 3.2 had threw
# a TypeError when concatenating a bytestring to a unicode type.
# given,
child = pexpect.spawnu('echo', ['input', ])
# exercise,
assert child.readline() == 'input' + child.crlf
def test_unicode_argv(self):
""" Ensure a program can be executed with unicode arguments. """
p = pexpect.spawn(u'echo ǝpoɔıun', timeout=5, encoding='utf8')
p.expect(u'ǝpoɔıun')
p.expect(pexpect.EOF)
assert not p.isalive()
assert p.exitstatus == 0
if __name__ == '__main__':
unittest.main()
suite = unittest.makeSuite(UnicodeTests, 'test')
|
