diff --git a/models/chassisMap_test.go b/models/chassisMap_test.go
new file mode 100644
index 0000000..7b30eeb
--- /dev/null
+++ b/models/chassisMap_test.go
@@ -0,0 +1,40 @@
+/*
+ Copyright 2017 the original author or authors.
+
+ 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 models_test
+
+import (
+	"testing"
+
+	"gerrit.opencord.org/abstract-olt/models"
+)
+
+func TestChassisMap_GetPhyChassisMap(t *testing.T) {
+	firstChassisMap := models.GetPhyChassisMap()
+	secondChassisMap := models.GetPhyChassisMap()
+
+	if firstChassisMap != secondChassisMap {
+		t.Fatalf("GetPhyChassisMap should always return pointer to same map")
+	}
+}
+func TestChassisMap_GetAbstractChassisMap(t *testing.T) {
+	firstChassisMap := models.GetAbstractChassisMap()
+	secondChassisMap := models.GetAbstractChassisMap()
+
+	if firstChassisMap != secondChassisMap {
+		t.Fatalf("GetPhyChassisMap should always return pointer to same map")
+	}
+}