add etcd lock tests

Author: CMGS

Makefile

@@ -38,4 +38,4 @@ cloc:
 	cloc --exclude-dir=vendor,3rdmocks,mocks --not-match-f=test .
 
 unit-test:
-	go test --race -cover ./utils/... ./types/... ./store/etcdv3/... ./scheduler/complex/...  ./source/common/... ./network/sdn/...
+	go test --race -cover ./utils/... ./types/... ./store/etcdv3/... ./scheduler/complex/...  ./source/common/... ./network/sdn/... ./lock/etcdlock/...

lock/etcdlock/lock_test.go

@@ -0,0 +1,27 @@
+package etcdlock
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/coreos/etcd/integration"
+)
+
+func TestLock(t *testing.T) {
+	cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
+	defer cluster.Terminate(t)
+	cli := cluster.RandClient()
+
+	_, err := New(cli, "", 1)
+	assert.Error(t, err)
+	mutex, err := New(cli, "test", 1)
+	assert.NoError(t, err)
+
+	ctx := context.Background()
+	err = mutex.Lock(ctx)
+	assert.NoError(t, err)
+	err = mutex.Unlock(ctx)
+	assert.NoError(t, err)
+}