libvirt/tests/virsh-optparse
Eric Blake 466f902446 virsh: fix regression in argv parsing
Prior to commit 85d2810, we had an issue where:

snapshot-create-as dom name --diskspec spec --diskspec spec

failed to parse the second spec, because the first spec had marked
that option as no longer requiring an argument.

In commit 85d2810, I fixed it by making argv options no longer mark
the option as seen.  But this in turn breaks mandatory argv options,
which now complain that the argv option is missing.

This patch reverts that part of 85d2810, and instead replaces it with
fixes to no longer clear opts_need_arg of an argv argument.

* tools/virsh.c (vshCmddefGetOption, vshCmddefGetData)
(vshCommandParse): Fix option parsing for required argv option.
(vshCmddefOptParse): Check that argv option is last.
* tests/virsh-optparse: Enhance test.
2011-09-22 13:28:18 +08:00

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#!/bin/sh
# Ensure that virsh option parsing doesn't regress
# Copyright (C) 2011 Red Hat, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
: ${srcdir=$(pwd)}
: ${abs_top_srcdir=$(pwd)/..}
: ${abs_top_builddir=$(pwd)/..}
# If $abs_top_builddir/tools is not early in $PATH, put it there,
# so that we can safely invoke "virsh" simply with its name.
case $PATH in
$abs_top_builddir/tools/src:$abs_top_builddir/tools:*) ;;
$abs_top_builddir/tools:*) ;;
*) PATH=$abs_top_builddir/tools:$PATH; export PATH ;;
esac
if test "$VERBOSE" = yes; then
set -x
virsh --version
fi
. "$srcdir/test-lib.sh"
cat <<\EOF > exp-out || framework_failure
setvcpus: <domain> trying as domain NAME
setvcpus: count(optdata): 2
setvcpus: domain(optdata): test
setvcpus: found option <domain>: test
EOF
fail=0
test_url=test:///default
for args in \
'test 2' \
'--domain test 2' \
'--domain=test 2' \
'test --count 2' \
'test --count=2' \
'--domain test --count 2' \
'--domain=test --count 2' \
'--domain test --count=2' \
'--domain=test --count=2' \
'--count 2 --domain test' \
'--count 2 --domain=test' \
'--count=2 --domain test' \
'--count=2 --domain=test' \
'--count 2 test' \
'--count=2 test' \
; do
virsh -d0 -c $test_url setvcpus $args >out 2>>err || fail=1
LC_ALL=C sort out | compare - exp-out || fail=1
done
# Another complex parsing example
cat <<\EOF > exp-out || framework_failure
<domainsnapshot>
<description>1&lt;2</description>
<disks>
<disk name='vda' snapshot='external'>
<source file='a&amp;b,c'/>
</disk>
<disk name='vdb'/>
</disks>
</domainsnapshot>
EOF
virsh -q -c $test_url snapshot-create-as --print-xml test \
--diskspec 'vda,file=a&b,,c,snapshot=external' --description '1<2' \
--diskspec vdb >out 2>>err || fail=1
compare out exp-out || fail=1
cat <<\EOF > exp-out || framework_failure
<domainsnapshot>
<name>name</name>
<description>vda</description>
<disks>
<disk name='vdb'/>
</disks>
</domainsnapshot>
EOF
virsh -q -c $test_url snapshot-create-as --print-xml test name vda vdb \
>out 2>>err || fail=1
compare out exp-out || fail=1
cat <<\EOF > exp-out || framework_failure
<domainsnapshot>
<name>name</name>
<description>desc</description>
<disks>
<disk name='vda'/>
<disk name='vdb'/>
</disks>
</domainsnapshot>
EOF
for args in \
'test name desc vda vdb' \
'test name desc --diskspec vda vdb' \
'test name desc --diskspec vda --diskspec vdb' \
'test name desc vda vdb' \
'test --diskspec vda name --diskspec vdb desc' \
'--description desc --name name --domain test vda vdb' \
'--description desc --diskspec vda --name name --domain test vdb' \
; do
virsh -q -c $test_url snapshot-create-as --print-xml $args \
>out 2>>err || fail=1
compare out exp-out || fail=1
done
test -s err && fail=1
# Test a required argv
cat <<\EOF > exp-err || framework_failure
error: this function is not supported by the connection driver: virDomainQemuMonitorCommand
EOF
virsh -q -c $test_url qemu-monitor-command test a >out 2>err && fail=1
test -s out && fail=1
compare err exp-err || fail=1
(exit $fail); exit $fail