On 6/25/20 9:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Make it simpler to debug when qemu-io failes due to wrong arguments or
fails
environment. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/iotests.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index efe9958f5e..ac9d199a1e 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -216,7 +216,13 @@ class QemuIoInteractive: stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True) - assert self._p.stdout.read(9) == 'qemu-io> ' + out = self._p.stdout.read(9) + if out != 'qemu-io> ': + # Most probably qemu-io just failed to start. + # Let's collect the whole output and exit. + out += self._p.stdout.read() + self._p.wait(timeout=1) + raise ValueError(out)
Looks sensible. Reviewed-by: Eric Blake <ebl...@redhat.com>
def close(self): self._p.communicate('q\n')
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org