1 files changed, 132 insertions, 0 deletions
diff --git a/ctdb/tests/UNIT/cunit/cluster_mutex_002.sh b/ctdb/tests/UNIT/cunit/cluster_mutex_002.sh
new file mode 100755
index 0000000..c672eaf
--- /dev/null
+++ b/ctdb/tests/UNIT/cunit/cluster_mutex_002.sh
@@ -0,0 +1,132 @@
+#!/bin/sh
+
+# This tests the fcntl helper, externally configured via !
+
+. "${TEST_SCRIPTS_DIR}/unit.sh"
+
+export CTDB_CLUSTER_MUTEX_HELPER="/bin/false"
+
+lockfile="${CTDB_TEST_TMP_DIR}/cluster_mutex.lockfile"
+trap 'rm ${lockfile}' 0
+
+t="${CTDB_SCRIPTS_HELPER_BINDIR}/ctdb_mutex_fcntl_helper"
+helper="!${t} ${lockfile}"
+
+test_case "No contention: lock, unlock"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-unlock "$helper"
+
+test_case "Contention: lock, lock, unlock"
+ok <<EOF
+LOCK
+CONTENTION
+NOLOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-lock-unlock "$helper"
+
+test_case "No contention: lock, unlock, lock, unlock"
+ok <<EOF
+LOCK
+UNLOCK
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-unlock-lock-unlock "$helper"
+
+test_case "Cancelled: unlock while lock still in progress"
+ok <<EOF
+CANCEL
+NOLOCK
+EOF
+unit_test cluster_mutex_test lock-cancel-check "$helper"
+
+test_case "Cancelled: unlock while lock still in progress, unlock again"
+ok <<EOF
+CANCEL
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-cancel-unlock "$helper"
+
+test_case "PPID doesn't go away: lock, wait, unlock"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-wait-unlock "$helper"
+
+test_case "PPID goes away: lock, wait, lock, unlock"
+ok <<EOF
+LOCK
+parent gone
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-ppid-gone-lock-unlock "$helper"
+
+test_case "Recheck off, lock file removed"
+ok <<EOF
+LOCK
+LOCK
+UNLOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-file-removed-no-recheck \
+	  "$helper 0" "$lockfile"
+
+test_case "Recheck on, lock file not removed"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-file-wait-recheck-unlock \
+	  "$helper 5" 10
+
+test_case "Recheck on, lock file removed"
+ok <<EOF
+LOCK
+ctdb_mutex_fcntl_helper: lock lost - lock file "${lockfile}" open failed (ret=2)
+LOST
+EOF
+unit_test cluster_mutex_test lock-file-removed "$helper 5" "$lockfile"
+
+test_case "Recheck on, lock file replaced"
+ok <<EOF
+LOCK
+ctdb_mutex_fcntl_helper: lock lost - lock file "${lockfile}" inode changed
+LOST
+EOF
+unit_test cluster_mutex_test lock-file-changed "$helper 10" "$lockfile"
+
+test_case "Recheck on, ping on, child isn't blocked"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-io-timeout "$helper 5 7" "$lockfile" 0 0
+
+test_case "Recheck on, ping on, child waits, child isn't blocked"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-io-timeout "$helper 5 3" "$lockfile" 7 0
+
+test_case "Recheck on, ping on, child waits, child blocks for short time"
+ok <<EOF
+LOCK
+UNLOCK
+EOF
+unit_test cluster_mutex_test lock-io-timeout "$helper 5 7" "$lockfile" 1 2
+
+
+test_case "Recheck on, ping on, child waits, child blocks causing ping timeout"
+ok <<EOF
+LOCK
+ctdb_mutex_fcntl_helper: ping timeout from lock test child
+LOST
+EOF
+unit_test cluster_mutex_test lock-io-timeout "$helper 5 3" "$lockfile" 1 7