support rename in cluster

cluster/commands/rename_test.go

@@ -0,0 +1,28 @@
+package commands
+
+import (
+	"testing"
+
+	"github.com/hdt3213/godis/cluster/core"
+	"github.com/hdt3213/godis/lib/utils"
+	"github.com/hdt3213/godis/redis/connection"
+	"github.com/hdt3213/godis/redis/protocol/asserts"
+)
+
+func TestRename(t *testing.T) {
+	id1 := "1"
+	id2 := "2"
+	nodes := core.MakeTestCluster([]string{id1, id2})
+	node1 := nodes[id1]
+	c := connection.NewFakeConn()
+	core.RegisterDefaultCmd("set")
+	core.RegisterDefaultCmd("get")
+	node1.Exec(c, utils.ToCmdLine("set", "1", "1"))
+
+	// 1, 2 will be routed to node1 and node2, see MakeTestCluster
+	res := execRename(node1, c, utils.ToCmdLine("rename", "1", "2"))
+	asserts.AssertStatusReply(t, res, "OK")
+
+	res = node1.Exec(c, utils.ToCmdLine("get", "2"))
+	asserts.AssertBulkReply(t, res, "1")
+}