circuitpython/tests/wipy/os.py

"""
os module test for the CC3200 based boards
"""

from machine import SD
import os

mch = os.uname().machine
if "LaunchPad" in mch:
    sd_pins = ("GP16", "GP17", "GP15")
elif "WiPy" in mch:
    sd_pins = ("GP10", "GP11", "GP15")
else:
    raise Exception("Board not supported!")

sd = SD(pins=sd_pins)

os.mount(sd, "/sd")
os.mkfs("/sd")
os.chdir("/flash")
print(os.listdir())

os.chdir("/sd")
print(os.listdir())

# create a test directory in flash
os.mkdir("/flash/test")
os.chdir("/flash/test")
print(os.getcwd())
os.chdir("..")
print(os.getcwd())
os.chdir("test")
print(os.getcwd())
# create a new file
f = open("test.txt", "w")
test_bytes = os.urandom(1024)
n_w = f.write(test_bytes)
print(n_w == len(test_bytes))
f.close()
f = open("test.txt", "r")
r = bytes(f.read(), "ascii")
# check that we can write and read it correctly
print(r == test_bytes)
f.close()
os.rename("test.txt", "newtest.txt")
print(os.listdir())
os.rename("/flash/test", "/flash/newtest")
print(os.listdir("/flash"))
os.remove("newtest.txt")
os.chdir("..")
os.rmdir("newtest")

# create a test directory in the sd card
os.mkdir("/sd/test")
os.chdir("/sd/test")
print(os.getcwd())
os.chdir("..")
print(os.getcwd())
os.chdir("test")
print(os.getcwd())
# create a new file
f = open("test.txt", "w")
test_bytes = os.urandom(1024)
n_w = f.write(test_bytes)
print(n_w == len(test_bytes))
f.close()
f = open("test.txt", "r")
r = bytes(f.read(), "ascii")
# check that we can write and read it correctly
print(r == test_bytes)
f.close()

print("CC3200" in os.uname().machine)
print("WiPy" == os.uname().sysname)

os.sync()
os.stat("/flash")
os.stat("/flash/sys")
os.stat("/flash/boot.py")
os.stat("/sd")
os.stat("/")
os.chdir("/sd/test")
os.remove("test.txt")
os.chdir("/sd")
os.rmdir("test")
os.listdir("/sd")
print(os.listdir("/"))
os.unmount("/sd")
print(os.listdir("/"))
os.mkfs(sd)
os.mount(sd, "/sd")
print(os.listdir("/"))
os.chdir("/flash")

# next ones must raise
sd.deinit()
try:
    os.listdir("/sd")
except:
    print("Exception")

# re-initialization must work
sd.init()
print(os.listdir("/sd"))

try:
    os.mount(sd, "/sd")
except:
    print("Exception")

try:
    os.mount(sd, "/sd2")
except:
    print("Exception")

os.unmount("/sd")
try:
    os.listdir("/sd")
except:
    print("Exception")

try:
    os.unmount("/flash")
except:
    print("Exception")

try:
    os.unmount("/something")
except:
    print("Exception")

try:
    os.unmount("something")
except:
    print("Exception")

try:
    os.mkfs("flash")  # incorrect path format
except:
    print("Exception")

try:
    os.remove("/flash/nofile.txt")
except:
    print("Exception")

try:
    os.rename("/flash/nofile.txt", "/flash/nofile2.txt")
except:
    print("Exception")

try:
    os.chdir("/flash/nodir")
except:
    print("Exception")

try:
    os.listdir("/flash/nodir")
except:
    print("Exception")

os.mount(sd, "/sd")
print(os.listdir("/"))
os.unmount("/sd")