Fix unit test issue

Change-Id: Ie0809591652a22379e59cd5f80b7cddb3896459d
diff --git a/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java b/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java
new file mode 100644
index 0000000..d651d56
--- /dev/null
+++ b/core/store/serializers/src/test/java/org/onlab/onos/store/serializers/KryoSerializerTest.java
@@ -0,0 +1,147 @@
+package org.onlab.onos.store.serializers;
+
+import static org.junit.Assert.assertEquals;
+import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.onlab.onos.net.PortNumber.portNumber;
+
+import java.nio.ByteBuffer;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.onlab.onos.cluster.MastershipTerm;
+import org.onlab.onos.cluster.NodeId;
+import org.onlab.onos.net.Annotations;
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DefaultAnnotations;
+import org.onlab.onos.net.DefaultDevice;
+import org.onlab.onos.net.DefaultLink;
+import org.onlab.onos.net.DefaultPort;
+import org.onlab.onos.net.Device;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.LinkKey;
+import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.PortNumber;
+import org.onlab.onos.net.SparseAnnotations;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.util.KryoPool;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.testing.EqualsTester;
+
+public class KryoSerializerTest {
+
+    private static final ProviderId PID = new ProviderId("of", "foo");
+    private static final ProviderId PIDA = new ProviderId("of", "foo", true);
+    private static final DeviceId DID1 = deviceId("of:foo");
+    private static final DeviceId DID2 = deviceId("of:bar");
+    private static final PortNumber P1 = portNumber(1);
+    private static final PortNumber P2 = portNumber(2);
+    private static final ConnectPoint CP1 = new ConnectPoint(DID1, P1);
+    private static final ConnectPoint CP2 = new ConnectPoint(DID2, P2);
+    private static final String MFR = "whitebox";
+    private static final String HW = "1.1.x";
+    private static final String SW1 = "3.8.1";
+    private static final String SW2 = "3.9.5";
+    private static final String SN = "43311-12345";
+    private static final Device DEV1 = new DefaultDevice(PID, DID1, Device.Type.SWITCH, MFR, HW, SW1, SN);
+    private static final SparseAnnotations A1 = DefaultAnnotations.builder()
+            .set("A1", "a1")
+            .set("B1", "b1")
+            .build();
+    private static final SparseAnnotations A1_2 = DefaultAnnotations.builder()
+            .remove("A1")
+            .set("B3", "b3")
+            .build();
+
+    private static KryoPool kryos;
+
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+        kryos = KryoPool.newBuilder()
+                .register(KryoPoolUtil.API)
+                .register(ImmutableMap.class, new ImmutableMapSerializer())
+                .register(ImmutableSet.class, new ImmutableSetSerializer())
+                .build();
+    }
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        // removing Kryo instance to use fresh Kryo on each tests
+        kryos.getKryo();
+    }
+
+    private static <T> void testSerialized(T original) {
+        ByteBuffer buffer = ByteBuffer.allocate(1 * 1024 * 1024);
+        kryos.serialize(original, buffer);
+        buffer.flip();
+        T copy = kryos.deserialize(buffer);
+
+        new EqualsTester()
+            .addEqualityGroup(original, copy)
+            .testEquals();
+    }
+
+
+    @Test
+    public final void testSerialization() {
+        testSerialized(new ConnectPoint(DID1, P1));
+        testSerialized(new DefaultLink(PID, CP1, CP2, Link.Type.DIRECT));
+        testSerialized(new DefaultPort(DEV1, P1, true));
+        testSerialized(new DefaultLink(PID, CP1, CP2, Link.Type.DIRECT, A1));
+        testSerialized(new DefaultPort(DEV1, P1, true, A1_2));
+        testSerialized(DID1);
+        testSerialized(ImmutableMap.of(DID1, DEV1, DID2, DEV1));
+        testSerialized(ImmutableMap.of(DID1, DEV1));
+        testSerialized(ImmutableMap.of());
+        testSerialized(ImmutableSet.of(DID1, DID2));
+        testSerialized(ImmutableSet.of(DID1));
+        testSerialized(ImmutableSet.of());
+        testSerialized(IpPrefix.valueOf("192.168.0.1/24"));
+        testSerialized(IpAddress.valueOf("192.168.0.1"));
+        testSerialized(new LinkKey(CP1, CP2));
+        testSerialized(new NodeId("SomeNodeIdentifier"));
+        testSerialized(P1);
+        testSerialized(PID);
+        testSerialized(PIDA);
+        testSerialized(new NodeId("bar"));
+        testSerialized(MastershipTerm.of(new NodeId("foo"), 2));
+        for (MastershipRole role : MastershipRole.values()) {
+            testSerialized(role);
+        }
+    }
+
+    @Test
+    public final void testAnnotations() {
+        // Annotations does not have equals defined, manually test equality
+        final byte[] a1Bytes = kryos.serialize(A1);
+        SparseAnnotations copiedA1 = kryos.deserialize(a1Bytes);
+        assertAnnotationsEquals(copiedA1, A1);
+
+        final byte[] a12Bytes = kryos.serialize(A1_2);
+        SparseAnnotations copiedA12 = kryos.deserialize(a12Bytes);
+        assertAnnotationsEquals(copiedA12, A1_2);
+    }
+
+    // code clone
+    public static void assertAnnotationsEquals(Annotations actual, SparseAnnotations... annotations) {
+        SparseAnnotations expected = DefaultAnnotations.builder().build();
+        for (SparseAnnotations a : annotations) {
+            expected = DefaultAnnotations.union(expected, a);
+        }
+        assertEquals(expected.keys(), actual.keys());
+        for (String key : expected.keys()) {
+            assertEquals(expected.value(key), actual.value(key));
+        }
+    }
+
+}