| 1 | #!/usr/bin/env python3 |
| 2 | # SPDX-License-Identifier: GPL-2.0-only |
| 3 | # |
| 4 | # Copyright (c) 2019 Western Digital Corporation or its affiliates. |
| 5 | # |
| 6 | # |
| 7 | # readonly.py |
| 8 | # |
| 9 | # Do some basic tests of the --readonly paramter |
| 10 | # |
| 11 | # USAGE |
| 12 | # python readonly.py [-f fio-executable] |
| 13 | # |
| 14 | # EXAMPLES |
| 15 | # python t/readonly.py |
| 16 | # python t/readonly.py -f ./fio |
| 17 | # |
| 18 | # REQUIREMENTS |
| 19 | # Python 3.5+ |
| 20 | # |
| 21 | # |
| 22 | |
| 23 | import sys |
| 24 | import argparse |
| 25 | import subprocess |
| 26 | |
| 27 | |
| 28 | def parse_args(): |
| 29 | parser = argparse.ArgumentParser() |
| 30 | parser.add_argument('-f', '--fio', |
| 31 | help='path to fio executable (e.g., ./fio)') |
| 32 | args = parser.parse_args() |
| 33 | |
| 34 | return args |
| 35 | |
| 36 | |
| 37 | def run_fio(fio, test, index): |
| 38 | fio_args = [ |
| 39 | "--max-jobs=16", |
| 40 | "--name=readonly", |
| 41 | "--ioengine=null", |
| 42 | "--time_based", |
| 43 | "--runtime=1s", |
| 44 | "--size=1M", |
| 45 | "--rw={rw}".format(**test), |
| 46 | ] |
| 47 | if 'readonly-pre' in test: |
| 48 | fio_args.insert(0, "--readonly") |
| 49 | if 'readonly-post' in test: |
| 50 | fio_args.append("--readonly") |
| 51 | |
| 52 | output = subprocess.run([fio] + fio_args, stdout=subprocess.PIPE, |
| 53 | stderr=subprocess.PIPE) |
| 54 | |
| 55 | return output |
| 56 | |
| 57 | |
| 58 | def check_output(output, test): |
| 59 | expect_error = False |
| 60 | if 'readonly-pre' in test or 'readonly-post' in test: |
| 61 | if 'write' in test['rw'] or 'trim' in test['rw']: |
| 62 | expect_error = True |
| 63 | |
| 64 | # print(output.stdout) |
| 65 | # print(output.stderr) |
| 66 | |
| 67 | if output.returncode == 0: |
| 68 | if expect_error: |
| 69 | return False |
| 70 | else: |
| 71 | return True |
| 72 | else: |
| 73 | if expect_error: |
| 74 | return True |
| 75 | else: |
| 76 | return False |
| 77 | |
| 78 | |
| 79 | if __name__ == '__main__': |
| 80 | args = parse_args() |
| 81 | |
| 82 | tests = [ |
| 83 | { |
| 84 | "rw": "randread", |
| 85 | "readonly-pre": 1, |
| 86 | }, |
| 87 | { |
| 88 | "rw": "randwrite", |
| 89 | "readonly-pre": 1, |
| 90 | }, |
| 91 | { |
| 92 | "rw": "randtrim", |
| 93 | "readonly-pre": 1, |
| 94 | }, |
| 95 | { |
| 96 | "rw": "randread", |
| 97 | "readonly-post": 1, |
| 98 | }, |
| 99 | { |
| 100 | "rw": "randwrite", |
| 101 | "readonly-post": 1, |
| 102 | }, |
| 103 | { |
| 104 | "rw": "randtrim", |
| 105 | "readonly-post": 1, |
| 106 | }, |
| 107 | { |
| 108 | "rw": "randread", |
| 109 | }, |
| 110 | { |
| 111 | "rw": "randwrite", |
| 112 | }, |
| 113 | { |
| 114 | "rw": "randtrim", |
| 115 | }, |
| 116 | ] |
| 117 | |
| 118 | index = 1 |
| 119 | passed = 0 |
| 120 | failed = 0 |
| 121 | |
| 122 | if args.fio: |
| 123 | fio_path = args.fio |
| 124 | else: |
| 125 | fio_path = 'fio' |
| 126 | |
| 127 | for test in tests: |
| 128 | output = run_fio(fio_path, test, index) |
| 129 | status = check_output(output, test) |
| 130 | print("Test {0} {1}".format(index, ("PASSED" if status else "FAILED"))) |
| 131 | if status: |
| 132 | passed = passed + 1 |
| 133 | else: |
| 134 | failed = failed + 1 |
| 135 | index = index + 1 |
| 136 | |
| 137 | print("{0} tests passed, {1} failed".format(passed, failed)) |
| 138 | |
| 139 | sys.exit(failed) |