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
|
from contextlib import contextmanager
import filecmp
import os
import posix
import stat
import sys
import sysconfig
import time
import unittest
from ..xattr import get_all
from ..logger import setup_logging
from ..platform import umount
try:
import llfuse
# Does this version of llfuse support ns precision?
have_fuse_mtime_ns = hasattr(llfuse.EntryAttributes, 'st_mtime_ns')
except ImportError:
have_fuse_mtime_ns = False
has_lchflags = hasattr(os, 'lchflags')
# The mtime get/set precision varies on different OS and Python versions
if 'HAVE_FUTIMENS' in getattr(posix, '_have_functions', []):
st_mtime_ns_round = 0
elif 'HAVE_UTIMES' in sysconfig.get_config_vars():
st_mtime_ns_round = -6
else:
st_mtime_ns_round = -9
if sys.platform.startswith('netbsd'):
st_mtime_ns_round = -4 # only >1 microsecond resolution here?
# Ensure that the loggers exist for all tests
setup_logging()
def no_selinux(x):
# selinux fails our FUSE tests, thus ignore selinux xattrs
SELINUX_KEY = 'security.selinux'
if isinstance(x, dict):
return {k: v for k, v in x.items() if k != SELINUX_KEY}
if isinstance(x, list):
return [k for k in x if k != SELINUX_KEY]
class BaseTestCase(unittest.TestCase):
"""
"""
assert_in = unittest.TestCase.assertIn
assert_not_in = unittest.TestCase.assertNotIn
assert_equal = unittest.TestCase.assertEqual
assert_not_equal = unittest.TestCase.assertNotEqual
assert_raises = unittest.TestCase.assertRaises
assert_true = unittest.TestCase.assertTrue
@contextmanager
def assert_creates_file(self, path):
self.assert_true(not os.path.exists(path), '{} should not exist'.format(path))
yield
self.assert_true(os.path.exists(path), '{} should exist'.format(path))
def assert_dirs_equal(self, dir1, dir2, **kwargs):
diff = filecmp.dircmp(dir1, dir2)
self._assert_dirs_equal_cmp(diff, **kwargs)
def _assert_dirs_equal_cmp(self, diff, ignore_bsdflags=False, ignore_xattrs=False):
self.assert_equal(diff.left_only, [])
self.assert_equal(diff.right_only, [])
self.assert_equal(diff.diff_files, [])
self.assert_equal(diff.funny_files, [])
for filename in diff.common:
path1 = os.path.join(diff.left, filename)
path2 = os.path.join(diff.right, filename)
s1 = os.lstat(path1)
s2 = os.lstat(path2)
# Assume path2 is on FUSE if st_dev is different
fuse = s1.st_dev != s2.st_dev
attrs = ['st_mode', 'st_uid', 'st_gid', 'st_rdev']
if has_lchflags and not ignore_bsdflags:
attrs.append('st_flags')
if not fuse or not os.path.isdir(path1):
# dir nlink is always 1 on our fuse filesystem
attrs.append('st_nlink')
d1 = [filename] + [getattr(s1, a) for a in attrs]
d2 = [filename] + [getattr(s2, a) for a in attrs]
# ignore st_rdev if file is not a block/char device, fixes #203
if not stat.S_ISCHR(d1[1]) and not stat.S_ISBLK(d1[1]):
d1[4] = None
if not stat.S_ISCHR(d2[1]) and not stat.S_ISBLK(d2[1]):
d2[4] = None
# Older versions of llfuse do not support ns precision properly
if fuse and not have_fuse_mtime_ns:
d1.append(round(s1.st_mtime_ns, -4))
d2.append(round(s2.st_mtime_ns, -4))
else:
d1.append(round(s1.st_mtime_ns, st_mtime_ns_round))
d2.append(round(s2.st_mtime_ns, st_mtime_ns_round))
if not ignore_xattrs:
d1.append(no_selinux(get_all(path1, follow_symlinks=False)))
d2.append(no_selinux(get_all(path2, follow_symlinks=False)))
self.assert_equal(d1, d2)
for sub_diff in diff.subdirs.values():
self._assert_dirs_equal_cmp(sub_diff, ignore_bsdflags=ignore_bsdflags, ignore_xattrs=ignore_xattrs)
@contextmanager
def fuse_mount(self, location, mountpoint, *options):
os.mkdir(mountpoint)
args = ['mount', location, mountpoint] + list(options)
self.cmd(*args, fork=True)
self.wait_for_mount(mountpoint)
yield
umount(mountpoint)
os.rmdir(mountpoint)
# Give the daemon some time to exit
time.sleep(.2)
def wait_for_mount(self, path, timeout=5):
"""Wait until a filesystem is mounted on `path`
"""
timeout += time.time()
while timeout > time.time():
if os.path.ismount(path):
return
time.sleep(.1)
raise Exception('wait_for_mount(%s) timeout' % path)
class changedir:
def __init__(self, dir):
self.dir = dir
def __enter__(self):
self.old = os.getcwd()
os.chdir(self.dir)
def __exit__(self, *args, **kw):
os.chdir(self.old)
class environment_variable:
def __init__(self, **values):
self.values = values
self.old_values = {}
def __enter__(self):
for k, v in self.values.items():
self.old_values[k] = os.environ.get(k)
if v is None:
os.environ.pop(k, None)
else:
os.environ[k] = v
def __exit__(self, *args, **kw):
for k, v in self.old_values.items():
if v is None:
os.environ.pop(k, None)
else:
os.environ[k] = v
class FakeInputs:
"""Simulate multiple user inputs, can be used as input() replacement"""
def __init__(self, inputs):
self.inputs = inputs
def __call__(self, prompt=None):
if prompt is not None:
print(prompt, end='')
try:
return self.inputs.pop(0)
except IndexError:
raise EOFError from None
|
