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#!/bin/sh
#
# vmm tests. TAP output, no framework.
#
# ./test run every file in tests/
# ./test config run tests/config only
#
# Every test runs against a throwaway VMMDIR under $TMPDIR. Tests that
# need to boot a guest are skipped when /dev/kvm is not usable, so this
# exits 0 on a machine without virtualisation.
# shellcheck disable=SC2329 # the helpers below are called from tests/*
set -eu
umask 077
ROOT=$(cd "$(dirname "$0")" && pwd)
VMM=$ROOT/vmm
[ -x "$VMM" ] || { printf 'Bail out! not executable: %s\n' "$VMM"; exit 1; }
WORK=$(mktemp -d "${TMPDIR:-/tmp}/vmm-tests.XXXXXX")
trap 'cleanup' EXIT
trap 'exit 129' HUP
trap 'exit 130' INT
trap 'exit 143' TERM
cleanup() {
trap - EXIT HUP INT TERM
for cmdline in /proc/[0-9]*/cmdline; do
p=${cmdline#/proc/}
p=${p%/cmdline}
line=
IFS= read -r line 2>/dev/null < "$cmdline" || :
case $line in
qemu-system-*"-pidfile$WORK/vms/"*"/pid" | \
/*/qemu-system-*"-pidfile$WORK/vms/"*"/pid")
kill -9 "$p" 2>/dev/null || :
;;
esac
done
rm -rf "$WORK"
}
VMMDIR=$WORK/vms
export VMMDIR
SHUTDOWN_TIMEOUT=3
export SHUTDOWN_TIMEOUT
EDITOR=true
export EDITOR
N=0
FAILED=0
ok() {
N=$((N + 1))
printf 'ok %s - %s\n' "$N" "$1"
}
notok() {
N=$((N + 1))
FAILED=$((FAILED + 1))
printf 'not ok %s - %s\n' "$N" "$1"
shift
# Line by line: a diagnostic carrying vmm's output is usually several
# lines, and a bare one is not a comment. It is read as a result, so an
# error message mentioning 'ok' would invent a test that never ran.
for l in "$@"; do
printf '%s\n' "$l" | sed 's/^/# /'
done
}
# skip N REASON - N assertions this host cannot make
skip() {
n=$1
shift
while [ "$n" -gt 0 ]; do
N=$((N + 1))
printf 'ok %s - # SKIP %s\n' "$N" "$*"
n=$((n - 1))
done
}
# holds DESC CMD... - require a command to succeed. 'test ! -e x' says
# the negative, so there is only the one.
holds() {
desc=$1
shift
if "$@" >/dev/null 2>&1; then
ok "$desc"
else
notok "$desc" "failed: $*"
fi
}
# exits CODE DESC ARGS... - run vmm and require an exact exit code
exits() {
want=$1
desc=$2
shift 2
out=$("$VMM" "$@" 2>&1) && got=0 || got=$?
if [ "$got" = "$want" ]; then
ok "$desc"
else
notok "$desc" "wanted exit $want, got $got" "argv: $*" "output: $out"
fi
}
# outputs PATTERN DESC ARGS... - run vmm and require a matching line
outputs() {
pat=$1
desc=$2
shift 2
out=$("$VMM" "$@" 2>&1) && got=0 || got=$?
if [ "$got" = 0 ] && printf '%s\n' "$out" | grep -q -- "$pat"; then
ok "$desc"
else
notok "$desc" "exit $got, wanted 0 and a match for: $pat" \
"argv: $*" "output: $out"
fi
}
# omits PATTERN DESC ARGS... - run vmm and require no matching line
omits() {
pat=$1
desc=$2
shift 2
out=$("$VMM" "$@" 2>&1) && got=0 || got=$?
if [ "$got" != 0 ]; then
notok "$desc" "exit $got, wanted 0" "argv: $*" "output: $out"
elif printf '%s\n' "$out" | grep -q -- "$pat"; then
notok "$desc" "unwanted match for: $pat" "argv: $*" "output: $out"
else
ok "$desc"
fi
}
# refuses PATTERN DESC ARGS... - require a NON-ZERO exit AND a matching
# message. The message alone is not enough: an error downgraded to a
# warning prints the same words and still exits 0.
refuses() {
pat=$1
desc=$2
shift 2
out=$("$VMM" "$@" 2>&1) && got=0 || got=$?
if [ "$got" = 0 ]; then
notok "$desc" "expected a refusal, got exit 0" "argv: $*" "output: $out"
return 0
fi
if printf '%s\n' "$out" | grep -q -- "$pat"; then
ok "$desc"
else
notok "$desc" "exit $got but no match for: $pat" "argv: $*" "output: $out"
fi
}
cfg() {
cat > "$VMMDIR/$1/config"
}
# The list is an order, cheapest checks first. The loop refuses a file
# it does not name, which would otherwise never run and never be missed.
if [ $# -eq 0 ]; then
set -- static usage create config argv arch list clone lock env \
boot net console viewer
for f in "$ROOT"/tests/*; do
case " $* " in
*" ${f##*/} "*) continue ;;
esac
printf 'Bail out! tests/%s is in no run list\n' "${f##*/}"
exit 1
done
fi
for t in "$@"; do
if [ ! -f "$ROOT/tests/$t" ]; then
printf 'Bail out! no such test: %s\n' "$t"
exit 1
fi
# shellcheck source=/dev/null
. "$ROOT/tests/$t"
done
printf '1..%s\n' "$N"
[ "$FAILED" = 0 ] || exit 1
exit 0
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