diff --git a/apps/gangliametrics/src/test/java/org/onosproject/gangliametrics/GangliaMetricsReporterTest.java b/apps/gangliametrics/src/test/java/org/onosproject/gangliametrics/GangliaMetricsReporterTest.java
new file mode 100644
index 0000000..2c12b8e
--- /dev/null
+++ b/apps/gangliametrics/src/test/java/org/onosproject/gangliametrics/GangliaMetricsReporterTest.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.onosproject.gangliametrics;
+
+import com.codahale.metrics.MetricRegistry;
+import com.google.common.collect.ImmutableSet;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Unit test for metrics reporter of ganglia.
+ */
+public class GangliaMetricsReporterTest {
+
+    private GangliaMetricsReporter gmr;
+
+    private static final String METRIC_NAME1 = "consistentMap.onos-app-ids.putIfAbsent";
+    private static final String METRIC_NAME2 = "consistentMap.onos-hosts.entrySet";
+    private static final String METRIC_NAME3 = "clusterCommunication.endpoint.*";
+    private static final String METRIC_NAME4 = "atomicCounter.onos-app-id-counter.*";
+
+    private static final String PREFIXES1 = "consistentMap";
+    private static final String PREFIXES2 = "topology";
+    private static final String PREFIXES3 = "consistentMap.onos-app-ids";
+    private static final String PREFIXES4 = "consistentMap, clusterCommunication, atomicCounter";
+
+    /**
+     * Initializes ganglia metrics reporter instance.
+     */
+    @Before
+    public void setUp() {
+        gmr = new GangliaMetricsReporter();
+    }
+
+    /**
+     * Tests whether the containsName method can always return the correct result
+     * with the given metric name and a set of prefixes.
+     */
+    @Test
+    public void testContainsName() {
+        assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES1));
+        assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES3));
+        assertTrue(gmr.containsName(METRIC_NAME1, PREFIXES4));
+        assertTrue(gmr.containsName(METRIC_NAME2, PREFIXES4));
+        assertTrue(gmr.containsName(METRIC_NAME3, PREFIXES4));
+        assertTrue(gmr.containsName(METRIC_NAME4, PREFIXES4));
+        assertFalse(gmr.containsName(METRIC_NAME1, PREFIXES2));
+    }
+
+    /**
+     * Tests whether the filter method can always return the correct result.
+     */
+    @Test
+    public void testFilter() {
+        MetricRegistry filtered;
+        MetricRegistry full = new MetricRegistry();
+        full.meter(METRIC_NAME1);
+        full.meter(METRIC_NAME2);
+        full.meter(METRIC_NAME3);
+        full.meter(METRIC_NAME4);
+
+        gmr.monitorAll = true;
+        filtered = gmr.filter(full);
+
+        assertTrue(filtered.getNames()
+                .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2,
+                                             METRIC_NAME3, METRIC_NAME4)));
+
+        gmr.monitorAll = false;
+        gmr.metricNames = PREFIXES1;
+        filtered = gmr.filter(full);
+
+        assertTrue(filtered.getNames()
+                .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2)));
+        assertFalse(filtered.getNames()
+                .containsAll(ImmutableSet.of(METRIC_NAME3, METRIC_NAME4)));
+
+        gmr.metricNames = PREFIXES2;
+        filtered = gmr.filter(full);
+
+        assertFalse(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME1)));
+
+        gmr.metricNames = PREFIXES3;
+        filtered = gmr.filter(full);
+
+        assertTrue(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME1)));
+        assertFalse(filtered.getNames().containsAll(ImmutableSet.of(METRIC_NAME2)));
+
+        gmr.metricNames = PREFIXES4;
+        filtered = gmr.filter(full);
+
+        assertTrue(filtered.getNames()
+                .containsAll(ImmutableSet.of(METRIC_NAME1, METRIC_NAME2,
+                        METRIC_NAME3, METRIC_NAME4)));
+    }
+}