Better logs and stats reporting

Change-Id: I1ef0d75398c8e0ff3fa3ac6a140c24d0394945cb
diff --git a/app/src/test/java/org/opencord/aaa/impl/IdentifierManagerTest.java b/app/src/test/java/org/opencord/aaa/impl/IdentifierManagerTest.java
new file mode 100644
index 0000000..890f2c6
--- /dev/null
+++ b/app/src/test/java/org/opencord/aaa/impl/IdentifierManagerTest.java
@@ -0,0 +1,57 @@
+/*
+ * 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.aaa.impl;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+
+import static org.junit.Assert.assertNotEquals;
+import static org.slf4j.LoggerFactory.getLogger;
+
+public class IdentifierManagerTest {
+
+    IdentifierManager idManager = null;
+    private final Logger log = getLogger(getClass());
+
+    @Before
+    public void setUp() {
+        System.out.print("Set up");
+        idManager = new IdentifierManager();
+    }
+
+    @After
+    public void tearDown() {
+        System.out.print("Tear down");
+        idManager = null;
+    }
+
+    @Test
+    /**
+     * Make sure that we never get ID 1 or 0 as they are reserved for RadiusOperationalStatusManager
+     */
+    public void testIdSequence() {
+        for (int i = 1; i <= 300; i++) {
+            RequestIdentifier id = idManager.getNewIdentifier(Integer.toString(i));
+            log.trace("Id: {}", id.identifier() & 0xff);
+            assertNotEquals(id.identifier(), 0);
+            assertNotEquals(id.identifier(), 1);
+            idManager.releaseIdentifier(id);
+        }
+    }
+}