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Diffstat (limited to 'tests/qemu-iotests/iotests.py')
| -rw-r--r-- | tests/qemu-iotests/iotests.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index cbedfaf1df..009c614ef7 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -201,6 +201,20 @@ def qemu_nbd(*args): '''Run qemu-nbd in daemon mode and return the parent's exit code''' return subprocess.call(qemu_nbd_args + ['--fork'] + list(args)) +def qemu_nbd_pipe(*args): + '''Run qemu-nbd in daemon mode and return both the parent's exit code + and its output''' + subp = subprocess.Popen(qemu_nbd_args + ['--fork'] + list(args), + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + universal_newlines=True) + exitcode = subp.wait() + if exitcode < 0: + sys.stderr.write('qemu-nbd received signal %i: %s\n' % + (-exitcode, + ' '.join(qemu_nbd_args + ['--fork'] + list(args)))) + return exitcode, subp.communicate()[0] + def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt): '''Return True if two image files are identical''' return qemu_img('compare', '-f', fmt1, |