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import sh
import unittest
from test.helpers.usb import USBDevices
class Qusb(unittest.TestCase):
params = None
__resultlist = None # resultlist is a python list of python dictionaries
def __init__(self, testname, testfunc, varlist):
self.params = varlist
super(Qusb, self).__init__(testfunc)
self._testMethodDoc = testname
if "repetitions" in varlist:
self.__repetitions = varlist["repetitions"]
else:
raise Exception('repetitions param inside Qusb must be defined')
self.__resultlist = []
def execute(self):
# get usb device
dev_obj = USBDevices(self.params["xml"])
if dev_obj.getMassStorage():
device = dev_obj.getMassStorage()['disk'] + "1"
else:
self.fail("failed: No USB memory found.")
# check if the device is mounted, and umount it
try:
p = sh.findmnt("-n", device)
if p.exit_code == 0:
sh.umount(device)
except sh.ErrorReturnCode as e:
# error = 1 means "no found"
pass
# mount the device
sh.mkdir("-p", "/mnt/pendrive")
p = sh.mount(device, "/mnt/pendrive")
if p.exit_code != 0:
self.fail("failed: Unable to mount the USB memory device.")
# execute test
for i in range(self.__repetitions):
# copy files
try:
p = sh.cp("/var/lib/hwtest-files/usbdatatest.bin",
"/var/lib/hwtest-files/usbdatatest.bin.md5",
"/mnt/pendrive")
except sh.ErrorReturnCode as e:
sh.umount("/mnt/pendrive")
sh.rmdir("/mnt/pendrive")
self.fail("failed: Unable to copy files to the USB memory device.")
# check MD5
try:
p = sh.md5sum("/mnt/pendrive/usbdatatest.bin")
except sh.ErrorReturnCode as e:
sh.umount("/mnt/pendrive")
sh.rmdir("/mnt/pendrive")
self.fail("failed: Unable to calculate MD5 of the copied file.")
newmd5 = p.stdout.decode().split(" ")[0]
with open('/mnt/pendrive/usbdatatest.bin.md5', 'r') as outfile:
oldmd5 = outfile.read()
outfile.close()
if newmd5 != oldmd5:
sh.umount("/mnt/pendrive")
sh.rmdir("/mnt/pendrive")
self.fail("failed: MD5 check failed.")
# delete copied files
sh.rm("-f", "/mnt/pendrive/usbdatatest.bin", "/mnt/pendrive/usbdatatest.bin.md5")
# Finish
sh.umount("/mnt/pendrive")
sh.rmdir("/mnt/pendrive")
def getresults(self):
return self.__resultlist
def gettextresult(self):
return ""
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