diff --git a/demo_test/functional_test/Makefile b/demo_test/functional_test/Makefile
new file mode 100644
index 0000000..0775546
--- /dev/null
+++ b/demo_test/functional_test/Makefile
@@ -0,0 +1,52 @@
+# 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.
+
+SHELL = /bin/bash
+DEMOTESTDIR = ..
+TESTSDIR = tests
+TESTTAG = tc
+TESTS := $(wildcard ${TESTSDIR}/*.$(TESTTAG))
+
+.PHONY : check-arg test demotest $(TESTS) clean
+
+.DEFAULT_GOAL := dm
+
+check-arg:
+ifeq ($(strip $(TESTS)),)
+	$(error no test found)
+endif
+ifeq "$(and $(IP1),$(PORT1),$(IP2),$(PORT2))" "" 
+	$(error IP1, PORT1, IP2, and PORT2 are not all defined)
+endif
+
+demotest:
+	@cd ${DEMOTESTDIR}; make demotest || exit 1; ./demotest & \
+	sleep 2
+
+dm: test_cli.go
+	go build -i -v -o $@
+
+test: check-arg dm demotest $(TESTS) clean
+	@echo "Alll tests passed!"
+
+$(TESTS): ${TESTSDIR}/%.${TESTTAG}:
+	@sed -e '/^\/\//d' -e 's/ip1/${IP1}/g; s/port1/${PORT1}/g; s/ip2/${IP2}/g; s/port2/${PORT2}/g' ${TESTSDIR}/$*.expected > ${TESTSDIR}/$*.e
+#	@sed -i '/^\/\//d' ${TESTSDIR}/$*.e
+	@echo "===== Running test $@"
+	@./$@ $(IP1) $(PORT1) $(IP2) $(PORT2) > /dev/null > ${TESTSDIR}/$*.out
+	@diff -q ${TESTSDIR}/$*.out ${TESTSDIR}/$*.e || (pkill demotest; exit 1)
+	@rm ${TESTSDIR}/*.out ${TESTSDIR}/*.e
+
+clean:
+	@pkill demotest