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#! /bin/sh
#
# Some simple tests to check if locking/unlocking works correctly.
#
set -e
PATH=.:$PATH
rm -f testlock.lock
# lock should succeed
dotlockfile -l -r 1 testlock.lock
# locking again should fail
! dotlockfile -l -r 0 testlock.lock
# unlocking should succeed
dotlockfile -u testlock.lock
[ ! -f testlock.lock ] || { echo "lockfile still exists after unlock"; exit 1; }
# same but with a command
dotlockfile -l -r 1 testlock.lock sleep 2 &
PID=$!
sleep 1
# locking again should fail
if dotlockfile -l -r 0 testlock.lock
then
if kill -0 $PID 2>/dev/null
then
echo "double lock while running command"
exit 1
fi
fi
# lock should be gone when command completes
wait
[ ! -f testlock.lock ] || { echo "lockfile still exists after running cmd"; exit 1; }
# test locking with given sleep interval
dotlockfile -l -r 0 testlock.lock
dotlockfile -l -i 4 testlock.lock /bin/true &
time_start=$(date '+%s')
sleep 4.5
dotlockfile -u testlock.lock
wait
time_end=$(date '+%s')
time_elapsed=`expr $time_end - $time_start`
# Time should equal 8 seconds
[ "$time_elapsed" = '8' ] || { echo "lockfile should take 8 seconds to be replaced. [$time_elapsed]"; exit 1; }
[ ! -f testlock.lock ] || { echo "lockfile still exists after running cmd"; exit 1; }
echo "tests OK"
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