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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (c) 2019 Western Digital Corporation or its affiliates.
#
#
# readonly.py
#
# Do some basic tests of the --readonly paramter
#
# USAGE
# python readonly.py [-f fio-executable]
#
# EXAMPLES
# python t/readonly.py
# python t/readonly.py -f ./fio
#
# REQUIREMENTS
# Python 3.5+
#
#
import sys
import argparse
import subprocess
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('-f', '--fio',
help='path to fio executable (e.g., ./fio)')
args = parser.parse_args()
return args
def run_fio(fio, test, index):
fio_args = [
"--name=readonly",
"--ioengine=null",
"--time_based",
"--runtime=1s",
"--size=1M",
"--rw={rw}".format(**test),
]
if 'readonly-pre' in test:
fio_args.insert(0, "--readonly")
if 'readonly-post' in test:
fio_args.append("--readonly")
output = subprocess.run([fio] + fio_args, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
return output
def check_output(output, test):
expect_error = False
if 'readonly-pre' in test or 'readonly-post' in test:
if 'write' in test['rw'] or 'trim' in test['rw']:
expect_error = True
# print(output.stdout)
# print(output.stderr)
if output.returncode == 0:
if expect_error:
return False
else:
return True
else:
if expect_error:
return True
else:
return False
if __name__ == '__main__':
args = parse_args()
tests = [
{
"rw": "randread",
"readonly-pre": 1,
},
{
"rw": "randwrite",
"readonly-pre": 1,
},
{
"rw": "randtrim",
"readonly-pre": 1,
},
{
"rw": "randread",
"readonly-post": 1,
},
{
"rw": "randwrite",
"readonly-post": 1,
},
{
"rw": "randtrim",
"readonly-post": 1,
},
{
"rw": "randread",
},
{
"rw": "randwrite",
},
{
"rw": "randtrim",
},
]
index = 1
passed = 0
failed = 0
if args.fio:
fio_path = args.fio
else:
fio_path = 'fio'
for test in tests:
output = run_fio(fio_path, test, index)
status = check_output(output, test)
print("Test {0} {1}".format(index, ("PASSED" if status else "FAILED")))
if status:
passed = passed + 1
else:
failed = failed + 1
index = index + 1
print("{0} tests passed, {1} failed".format(passed, failed))
sys.exit(failed)
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