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tests: daemon-conf: accommodate numeric-valued config params

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This test would hang when failing to perturb the soon-to-be-
added numeric (and non-boolean) valued parameters, max_clients,
max_workers, min_workers.
* tests/daemon-conf: Require that all commented-out settings
in libvirtd.conf have the same form.  Before, two parameters
were not being tested, since a space had snuck between the
leading "#" and the "param = value" parts.
Apply each RHS-value-perturbing transformation
separately, not in series.
Let VERBOSE=yes turn on debugging.
Be more verbose by default, since this is a relatively
long-running test.
* qemud/libvirtd.conf: Normalize the spacing around each setting
that is to be perturbed by tests/daemon-conf.
This commit is contained in:
Jim Meyering 2008-12-01 15:04:28 +00:00
parent 0e9349a28d
commit fb23f4f4f4
3 changed files with 49 additions and 8 deletions
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18
ChangeLog
View File

@ -1,3 +1,21 @@
Mon, 1 Dec 2008 16:01:54 +0100 Jim Meyering <meyering@redhat.com>
tests: daemon-conf: accommodate numeric-valued config params
This test would hang when failing to perturb the soon-to-be-
added numeric (and non-boolean) valued parameters, max_clients,
max_workers, min_workers.
* tests/daemon-conf: Require that all commented-out settings
in libvirtd.conf have the same form. Before, two parameters
were not being tested, since a space had snuck between the
leading "#" and the "param = value" parts.
Apply each RHS-value-perturbing transformation
separately, not in series.
Let VERBOSE=yes turn on debugging.
Be more verbose by default, since this is a relatively
long-running test.
* qemud/libvirtd.conf: Normalize the spacing around each setting
that is to be perturbed by tests/daemon-conf.
Mon, 1 Dec 2008 10:30:10 +0100 Jim Meyering <meyering@redhat.com>
uml: don't free an uninitialized variable

7
qemud/libvirtd.conf
View File

@ -1,7 +1,10 @@
# Master libvirt daemon configuration file
#
# For further information consult http://libvirt.org/format.html
#
# NOTE: the tests/daemon-conf regression test script requires
# that each "PARAMETER = VALUE" line in this file have the parameter
# name just after a leading "#".
#################################################################
#
@ -45,7 +48,7 @@
# Override the default configuration which binds to all network
# interfaces. This can be a numeric IPv4/6 address, or hostname
#
# listen_addr = "192.168.0.1"
#listen_addr = "192.168.0.1"
# Flag toggling mDNS advertizement of the libvirt service.

32
tests/daemon-conf
View File

@ -1,6 +1,11 @@
#!/bin/sh
# Get coverage of libvirtd's config-parsing code.
if test "$VERBOSE" = yes; then
set -x
libvirtd --version
fi
# Boilerplate code to set up a test directory, cd into it,
# and to ensure we remove it upon completion.
this_test_() { echo "./$0" | sed 's,.*/,,'; }
@ -12,8 +17,14 @@ trap '(exit $?); exit $?' 1 2 13 15
mkdir "$t_" || fail=1
cd "$t_" || fail=1
conf="$abs_top_srcdir/qemud/libvirtd.conf"
# Ensure that each commented out PARAMETER = VALUE line has the expected form.
grep '[a-z_] *= *[^ ]' "$conf" | grep -vE '^#[a-z_]+ = ' \
&& { echo "$0: found unexpected lines (above) in $conf" 1>&2; exit 1; }
# Start with the sample libvirtd.conf file, uncommenting all real directives.
sed -n 's/^#\([^ #]\)/\1/p' $abs_top_srcdir/qemud/libvirtd.conf > tmp.conf
sed -n 's/^#\([^ #]\)/\1/p' "$conf" > tmp.conf
# Iterate through that list of directives, corrupting one RHS at a
# time and running libvirtd with the resulting config. Each libvirtd
@ -22,16 +33,23 @@ n=$(wc -l < tmp.conf)
i=1
while :; do
param_name=$(sed -n "$i"'s/ = .*//p' tmp.conf)
printf "testing with corrupted config: $param_name\n" 1>&2
rhs=$(sed -n "$i"'s/.* = \(.*\)/\1/p' tmp.conf)
f=in$i.conf
# Change an RHS that starts with '"' or '[' to "3".
# Change an RHS that starts with 0 or 1 to the string '"foo"'.
sed "$i"'s/ = [["].*/ = 3/;'"$i"'s/ = [01].*/ = "foo"/' tmp.conf > $f
case $rhs in
# Change an RHS that starts with '"' or '[' to "3".
[[\"]*) sed "$i"'s/ = [["].*/ = 3/' tmp.conf > $f;;
# Change an RHS that starts with a digit to the string '"foo"'.
[0-9]*) sed "$i"'s/ = [0-9].*/ = "foo"/' tmp.conf > $f;;
esac
# Run libvirtd, expecting it to fail.
libvirtd --config=$f 2> err && fail=1
case $rhs in
# '"'*) msg='should be a string';;
'"'*) msg='invalid type: got long; expected string';;
[01]*) msg='invalid type: got string; expected long';;
[0-9]*) msg='invalid type: got string; expected long';;
'['*) msg='must be a string or list of strings';;
*) echo "unexpected RHS: $rhs" 1>&2; fail=1;;
esac
@ -48,8 +66,10 @@ while :; do
done
# Run with the unmodified config file.
sleep_secs=2
printf "running libvirtd with a valid config file ($sleep_secs seconds)\n" 1>&2
libvirtd --config=tmp.conf > log 2>&1 & pid=$!
sleep 2
sleep $sleep_secs
kill $pid
# Expect an orderly shut-down and successful exit.