satisfied=" "
test_have_prereq () {
- case $satisfied in
- *" $1 "*)
- : yes, have it ;;
- *)
- ! : nope ;;
- esac
+ # prerequisites can be concatenated with ','
+ save_IFS=$IFS
+ IFS=,
+ set -- $*
+ IFS=$save_IFS
+
+ total_prereq=0
+ ok_prereq=0
+ missing_prereq=
+
+ for prerequisite
+ do
+ total_prereq=$(($total_prereq + 1))
+ case $satisfied in
+ *" $prerequisite "*)
+ ok_prereq=$(($ok_prereq + 1))
+ ;;
+ *)
+ # Keep a list of missing prerequisites
+ if test -z "$missing_prereq"
+ then
+ missing_prereq=$prerequisite
+ else
+ missing_prereq="$prerequisite,$missing_prereq"
+ fi
+ esac
+ done
+
+ test $total_prereq = $ok_prereq
}
# You are not expected to call test_ok_ and test_failure_ directly, use
case "$to_skip" in
t)
say_color skip >&3 "skipping test: $@"
- say_color skip "ok $test_count # skip $1"
+ say_color skip "ok $test_count # skip $1 (missing $missing_prereq of $prereq)"
: true
;;
*)
# test whether the filesystem supports symbolic links
ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
rm -f y
+
+# When the tests are run as root, permission tests will report that
+# things are writable when they shouldn't be.
+test -w / || test_set_prereq SANITY