Repository navigation
Expand file tree
/
Copy pathtest_spawn.py
More file actions
132 lines (109 loc) · 5.09 KB
/
Copy pathtest_spawn.py
File metadata and controls
132 lines (109 loc) · 5.09 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
"""Tests for distutils.spawn."""
import os
import stat
import sys
import unittest.mock
from test.support import run_unittest, unix_shell
from test.support import os_helper
from distutils.spawn import find_executable
from distutils.spawn import spawn
from distutils.errors import DistutilsExecError
from distutils.tests import support
class SpawnTestCase(support.TempdirManager,
support.LoggingSilencer,
unittest.TestCase):
@unittest.skipUnless(os.name in ('nt', 'posix'),
'Runs only under posix or nt')
def test_spawn(self):
tmpdir = self.mkdtemp()
# creating something executable
# through the shell that returns 1
if sys.platform != 'win32':
exe = os.path.join(tmpdir, 'foo.sh')
self.write_file(exe, '#!%s\nexit 1' % unix_shell)
else:
exe = os.path.join(tmpdir, 'foo.bat')
self.write_file(exe, 'exit 1')
os.chmod(exe, 0o777)
self.assertRaises(DistutilsExecError, spawn, [exe])
# now something that works
if sys.platform != 'win32':
exe = os.path.join(tmpdir, 'foo.sh')
self.write_file(exe, '#!%s\nexit 0' % unix_shell)
else:
exe = os.path.join(tmpdir, 'foo.bat')
self.write_file(exe, 'exit 0')
os.chmod(exe, 0o777)
spawn([exe]) # should work without any error
def test_find_executable(self):
with os_helper.temp_dir() as tmp_dir:
# use TESTFN to get a pseudo-unique filename
program_noeext = os_helper.TESTFN
# Give the temporary program an ".exe" suffix for all.
# It's needed on Windows and not harmful on other platforms.
program = program_noeext + ".exe"
filename = os.path.join(tmp_dir, program)
with open(filename, "wb"):
pass
os.chmod(filename, stat.S_IXUSR)
# test path parameter
rv = find_executable(program, path=tmp_dir)
self.assertEqual(rv, filename)
if sys.platform == 'win32':
# test without ".exe" extension
rv = find_executable(program_noeext, path=tmp_dir)
self.assertEqual(rv, filename)
# test find in the current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# test non-existent program
dont_exist_program = "dontexist_" + program
rv = find_executable(dont_exist_program , path=tmp_dir)
self.assertIsNone(rv)
# PATH='': no match, except in the current directory
with os_helper.EnvironmentVarGuard() as env:
env['PATH'] = ''
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value=tmp_dir, create=True), \
unittest.mock.patch('distutils.spawn.os.defpath',
tmp_dir):
rv = find_executable(program)
self.assertIsNone(rv)
# look in current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# PATH=':': explicitly looks in the current directory
with os_helper.EnvironmentVarGuard() as env:
env['PATH'] = os.pathsep
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value='', create=True), \
unittest.mock.patch('distutils.spawn.os.defpath', ''):
rv = find_executable(program)
self.assertIsNone(rv)
# look in current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# missing PATH: test os.confstr("CS_PATH") and os.defpath
with os_helper.EnvironmentVarGuard() as env:
env.pop('PATH', None)
# without confstr
with unittest.mock.patch('distutils.spawn.os.confstr',
side_effect=ValueError,
create=True), \
unittest.mock.patch('distutils.spawn.os.defpath',
tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, filename)
# with confstr
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value=tmp_dir, create=True), \
unittest.mock.patch('distutils.spawn.os.defpath', ''):
rv = find_executable(program)
self.assertEqual(rv, filename)
def test_suite():
return unittest.makeSuite(SpawnTestCase)
if __name__ == "__main__":
run_unittest(test_suite())