micropython/tests/extmod/vfs_posix.py

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# Test for VfsPosix
try:
import uos
uos.VfsPosix
except (ImportError, AttributeError):
print("SKIP")
raise SystemExit
# We need a file for testing that doesn't already exist.
# Skip the test if it does exist.
temp_file = "micropy_test_file.txt"
try:
uos.stat(temp_file)
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("/")))
# file create
f = open(temp_file, "w")
f.write("hello")
f.close()
# close on a closed file should succeed
f.close()
# file read
f = open(temp_file, "r")
print(f.read())
f.close()
# remove
uos.remove(temp_file)