func watchKey(kv kvdb.Kvdb, t *testing.T) {
fmt.Println("\nwatchKey")
watchData := watchData{
t: t,
key: "tree/key1",
otherKey: "tree/otherKey1",
stop: "stop",
iterations: 2,
}
kv.Delete(watchData.key)
kv.Delete(watchData.otherKey)
// First create a key. We should not get update for this create.
_, err := kv.Create(watchData.otherKey, []byte("bar"), 0)
// Let the create operation finish and then start the watch
time.Sleep(time.Second)
err = kv.WatchKey(watchData.otherKey, 0, &watchData, watchFn)
if err != nil {
fmt.Printf("Cannot test watchKey: %v\n", err)
return
}
err = kv.WatchKey(watchData.key, 0, &watchData, watchFn)
if err != nil {
fmt.Printf("Cannot test watchKey: %v\n", err)
return
}
go watchUpdate(kv, &watchData)
for watchData.watchStopped == false {
time.Sleep(time.Millisecond * 100)
}
// Stop the second watch
atomic.SwapInt32(&watchData.whichKey, 0)
watchData.action = kvdb.KVCreate
_, err = kv.Create(watchData.otherKey, []byte(watchData.stop), 0)
}