kvdb: move channeldb/kvdb to top level

kvdb/etcd/bucket_test.go

@@ -0,0 +1,42 @@
+// +build kvdb_etcd
+
+package etcd
+
+// bkey is a helper functon used in tests to create a bucket key from passed
+// bucket list.
+func bkey(buckets ...string) string {
+	var bucketKey []byte
+
+	rootID := makeBucketID([]byte(etcdDefaultRootBucketId))
+	parent := rootID[:]
+
+	for _, bucketName := range buckets {
+		bucketKey = makeBucketKey(parent, []byte(bucketName))
+		id := makeBucketID(bucketKey)
+		parent = id[:]
+	}
+
+	return string(bucketKey)
+}
+
+// bval is a helper function used in tests to create a bucket value (the value
+// for a bucket key) from the passed bucket list.
+func bval(buckets ...string) string {
+	id := makeBucketID([]byte(bkey(buckets...)))
+	return string(id[:])
+}
+
+// vkey is a helper function used in tests to create a value key from the
+// passed key and bucket list.
+func vkey(key string, buckets ...string) string {
+	rootID := makeBucketID([]byte(etcdDefaultRootBucketId))
+	bucket := rootID[:]
+
+	for _, bucketName := range buckets {
+		bucketKey := makeBucketKey(bucket, []byte(bucketName))
+		id := makeBucketID(bucketKey)
+		bucket = id[:]
+	}
+
+	return string(makeValueKey(bucket, []byte(key)))
+}