initial code for the mac-learning app

Change-Id: I04f3b17c453e502f20477e83cb7cdc796b4160ae
diff --git a/app/src/test/java/org/opencord/maclearner/app/impl/MacLearnerManagerTest.java b/app/src/test/java/org/opencord/maclearner/app/impl/MacLearnerManagerTest.java
new file mode 100644
index 0000000..1e05637
--- /dev/null
+++ b/app/src/test/java/org/opencord/maclearner/app/impl/MacLearnerManagerTest.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017-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 org.opencord.maclearner.app.impl;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.net.ConnectPoint;
+
+import java.util.Optional;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Set of tests of the Mac Learner ONOS application component.
+ */
+public class MacLearnerManagerTest extends TestBaseMacLearner {
+
+    @Before
+    public void setUp() {
+        setUpApp();
+    }
+
+    @After
+    public void tearDown() {
+        this.macLearnerManager.deactivate();
+    }
+
+    private static final MacAddress CLIENT_MAC = MacAddress.valueOf("00:00:00:00:00:01");
+    private static final VlanId CLIENT_VLAN = VlanId.vlanId("100");
+    private static final VlanId CLIENT_QINQ_VLAN = VlanId.vlanId("200");
+    private static final ConnectPoint CLIENT_CP = ConnectPoint.deviceConnectPoint("of:0000000000000001/1");
+
+    @Test
+    public void testSingleTagDhcpPacket() {
+        packetService.processPacket(new TestDhcpRequestPacketContext(CLIENT_MAC,
+                CLIENT_VLAN,
+                VlanId.NONE,
+                CLIENT_CP));
+        Optional<MacAddress> macAddress = macLearnerManager.getMacMapping(CLIENT_CP.deviceId(),
+                CLIENT_CP.port(), CLIENT_VLAN);
+        assertTrue(macAddress.isPresent());
+        assertEquals(CLIENT_MAC, macAddress.get());
+    }
+
+    @Test
+    public void testDoubleTagDhcpPacket() {
+        packetService.processPacket(new TestDhcpRequestPacketContext(CLIENT_MAC,
+                CLIENT_VLAN,
+                CLIENT_QINQ_VLAN,
+                CLIENT_CP));
+        Optional<MacAddress> macAddress = macLearnerManager.getMacMapping(CLIENT_CP.deviceId(),
+                CLIENT_CP.port(), CLIENT_QINQ_VLAN);
+        assertTrue(macAddress.isPresent());
+        assertEquals(CLIENT_MAC, macAddress.get());
+    }
+
+}