Repository navigation
Expand file tree
/
Copy pathtest_crashers.py
More file actions
153 lines (122 loc) · 4.09 KB
/
Copy pathtest_crashers.py
File metadata and controls
153 lines (122 loc) · 4.09 KB
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
# encoding: utf-8
import fcntl
import os
import pty
import struct
import sys
import termios
import textwrap
from bpython.test import unittest, TEST_CONFIG
from bpython.config import getpreferredencoding
try:
from twisted.internet import reactor
from twisted.internet.defer import Deferred
from twisted.internet.protocol import ProcessProtocol
from twisted.trial.unittest import TestCase as TrialTestCase
except ImportError:
class TrialTestCase(object):
pass
reactor = None
try:
import urwid
have_urwid = True
except ImportError:
have_urwid = False
try:
from nose.plugins.attrib import attr
except ImportError:
def attr(*args, **kwargs):
def identity(func):
return func
return identity
def set_win_size(fd, rows, columns):
s = struct.pack("HHHH", rows, columns, 0, 0)
fcntl.ioctl(fd, termios.TIOCSWINSZ, s)
class CrashersTest(object):
backend = "cli"
def run_bpython(self, input):
"""
Run bpython (with `backend` as backend) in a subprocess and
enter the given input. Uses a test config that disables the
paste detection.
Returns bpython's output.
"""
result = Deferred()
encoding = getpreferredencoding()
class Protocol(ProcessProtocol):
STATES = (SEND_INPUT, COLLECT) = range(2)
def __init__(self):
self.data = ""
self.delayed_call = None
self.states = iter(self.STATES)
self.state = next(self.states)
def outReceived(self, data):
self.data += data.decode(encoding)
if self.delayed_call is not None:
self.delayed_call.cancel()
self.delayed_call = reactor.callLater(0.5, self.next)
def next(self):
self.delayed_call = None
if self.state == self.SEND_INPUT:
index = self.data.find(">>> ")
if index >= 0:
self.data = self.data[index + 4 :]
self.transport.write(input.encode(encoding))
self.state = next(self.states)
else:
self.transport.closeStdin()
if self.transport.pid is not None:
self.delayed_call = None
self.transport.signalProcess("TERM")
def processExited(self, reason):
if self.delayed_call is not None:
self.delayed_call.cancel()
result.callback(self.data)
(master, slave) = pty.openpty()
set_win_size(slave, 25, 80)
reactor.spawnProcess(
Protocol(),
sys.executable,
(
sys.executable,
"-m",
"bpython." + self.backend,
"--config",
TEST_CONFIG,
),
env=dict(TERM="vt100", LANG=os.environ.get("LANG", "")),
usePTY=(master, slave, os.ttyname(slave)),
)
return result
@attr(speed="slow")
def test_issue108(self):
input = textwrap.dedent(
"""\
def spam():
u"y\\xe4y"
\b
spam("""
)
deferred = self.run_bpython(input)
return deferred.addCallback(self.check_no_traceback)
@attr(speed="slow")
def test_issue133(self):
input = textwrap.dedent(
"""\
def spam(a, (b, c)):
pass
\b
spam(1"""
)
return self.run_bpython(input).addCallback(self.check_no_traceback)
def check_no_traceback(self, data):
self.assertNotIn("Traceback", data)
@unittest.skipIf(reactor is None, "twisted is not available")
class CursesCrashersTest(TrialTestCase, CrashersTest):
backend = "cli"
@unittest.skipUnless(have_urwid, "urwid is required")
@unittest.skipIf(reactor is None, "twisted is not available")
class UrwidCrashersTest(TrialTestCase, CrashersTest):
backend = "urwid"
if __name__ == "__main__":
unittest.main()