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
|
# Test for VfsPosix
try:
import gc, os, vfs
vfs.VfsPosix
except (ImportError, AttributeError):
print("SKIP")
raise SystemExit
# We need a directory for testing that doesn't already exist.
# Skip the test if it does exist.
temp_dir = "micropy_test_dir"
try:
os.stat(temp_dir)
print("SKIP")
raise SystemExit
except OSError:
pass
# getcwd and chdir
curdir = os.getcwd()
os.chdir("/")
print(os.getcwd())
os.chdir(curdir)
print(os.getcwd() == curdir)
# stat
print(type(os.stat("/")))
# listdir and ilistdir
print(type(os.listdir("/")))
# mkdir
os.mkdir(temp_dir)
# file create
f = open(temp_dir + "/test", "w")
f.write("hello")
f.close()
# close on a closed file should succeed
f.close()
# construct a file object with a raw fileno
f = open(2)
print(f)
# file read
f = open(temp_dir + "/test", "r")
print(f.read())
f.close()
# file finaliser, also see vfs_fat_finaliser.py
names = [temp_dir + "/x%d" % i for i in range(4)]
basefd = temp_dir + "/nextfd1"
nextfd = temp_dir + "/nextfd2"
with open(basefd, "w") as f:
base_file_no = f.fileno()
for i in range(1024): # move GC head forwards by allocating a lot of single blocks
[]
def write_files_without_closing():
for n in names:
open(n, "w").write(n)
sorted(list(range(128)), key=lambda x: x) # use up Python and C stack so f is really gone
write_files_without_closing()
gc.collect()
with open(nextfd, "w") as f:
next_file_no = f.fileno()
print("next_file_no <= base_file_no", next_file_no <= base_file_no)
for n in names + [basefd, nextfd]:
os.remove(n)
# rename
os.rename(temp_dir + "/test", temp_dir + "/test2")
print(os.listdir(temp_dir))
# construct new VfsPosix with path argument
fs = vfs.VfsPosix(temp_dir)
# when VfsPosix is used the intended way via vfs.mount(), it can only be called
# with relative paths when the CWD is inside or at its root, so simulate that
os.chdir(temp_dir)
print(list(i[0] for i in fs.ilistdir(".")))
# stat, statvfs (statvfs may not exist)
print(type(fs.stat(".")))
if hasattr(fs, "statvfs"):
assert type(fs.statvfs(".")) is tuple
# check types of ilistdir with str/bytes arguments
print(type(list(fs.ilistdir("."))[0][0]))
print(type(list(fs.ilistdir(b"."))[0][0]))
# chdir should not affect absolute paths (regression test)
fs.mkdir("/subdir")
fs.mkdir("/subdir/micropy_test_dir")
with fs.open("/subdir/micropy_test_dir/test2", "w") as f:
f.write("wrong")
fs.chdir("/subdir")
with fs.open("/test2", "r") as f:
print(f.read())
os.chdir(curdir)
fs.remove("/subdir/micropy_test_dir/test2")
fs.rmdir("/subdir/micropy_test_dir")
fs.rmdir("/subdir")
# done with fs, restore CWD
os.chdir(curdir)
# remove
os.remove(temp_dir + "/test2")
print(os.listdir(temp_dir))
# remove with error
try:
import os
os.remove(temp_dir + "/test2")
except OSError:
print("remove OSError")
# rmdir
os.rmdir(temp_dir)
print(temp_dir in os.listdir())
# rmdir with error
try:
import os
os.rmdir(temp_dir)
except OSError:
print("rmdir OSError")
|
