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# Test for VfsPosix
try:
import gc
import uos
uos.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:
uos.stat(temp_dir)
print("SKIP")
raise SystemExit
except OSError:
pass
# getcwd and chdir
curdir = uos.getcwd()
uos.chdir("/")
print(uos.getcwd())
uos.chdir(curdir)
print(uos.getcwd() == curdir)
# stat
print(type(uos.stat("/")))
# listdir and ilistdir
print(type(uos.listdir("/")))
# mkdir
uos.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]:
uos.remove(n)
# rename
uos.rename(temp_dir + "/test", temp_dir + "/test2")
print(uos.listdir(temp_dir))
# construct new VfsPosix with path argument
vfs = uos.VfsPosix(temp_dir)
print(list(i[0] for i in vfs.ilistdir(".")))
# stat, statvfs (statvfs may not exist)
print(type(vfs.stat(".")))
if hasattr(vfs, "statvfs"):
assert type(vfs.statvfs(".")) is tuple
# check types of ilistdir with str/bytes arguments
print(type(list(vfs.ilistdir("."))[0][0]))
print(type(list(vfs.ilistdir(b"."))[0][0]))
# remove
uos.remove(temp_dir + "/test2")
print(uos.listdir(temp_dir))
# remove with error
try:
uos.remove(temp_dir + "/test2")
except OSError:
print("remove OSError")
# rmdir
uos.rmdir(temp_dir)
print(temp_dir in uos.listdir())
# rmdir with error
try:
uos.rmdir(temp_dir)
except OSError:
print("rmdir OSError")
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