diff --git a/models/abstract/ChassisUtils_test.go b/models/abstract/ChassisUtils_test.go
new file mode 100644
index 0000000..ecc5752
--- /dev/null
+++ b/models/abstract/ChassisUtils_test.go
@@ -0,0 +1,39 @@
+/*
+ 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 abstract_test
+
+import (
+	"testing"
+
+	"gerrit.opencord.org/abstract-olt/models/abstract"
+)
+
+func TestChassisUtils_GenerateChassis(t *testing.T) {
+	chassis := abstract.GenerateChassis("MY_CLLI")
+	slot := chassis.Slots[6]
+	port := slot.Ports[0]
+	ont := port.Onts[3]
+	svlan := ont.Svlan
+	cvlan := ont.Cvlan
+	if svlan != 98 { // see map doc
+		t.Fail()
+	}
+	if cvlan != 434 { // see map doc
+		t.Fail()
+	}
+
+}