diff --git a/demo_test/functional_test/test_cli.go b/demo_test/functional_test/test_cli.go
new file mode 100644
index 0000000..114c51b
--- /dev/null
+++ b/demo_test/functional_test/test_cli.go
@@ -0,0 +1,35 @@
+// Copyright 2018-present Open Networking Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import "net"
+import "fmt"
+import "bufio"
+import "os"
+import "strings"
+
+func main() {
+	// connect to this socket
+	var message string = ""
+	cmdstr := strings.Join(os.Args[1:], " ")
+	conn, _ := net.Dial("tcp", "127.0.0.1:9999")
+	// send to socket
+	fmt.Fprintf(conn, cmdstr + "\n")
+
+	// listen for reply
+	message, _ = bufio.NewReader(conn).ReadString(';')
+	message = strings.TrimSuffix(message, ";")
+	fmt.Print(message)
+}