PacketTest.java example

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/*
 * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.nio.serialization;

import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.internal.serialization.SerializationServiceBuilder;
import com.hazelcast.internal.serialization.impl.DefaultSerializationServiceBuilder;
import com.hazelcast.nio.Packet;
import com.hazelcast.spi.serialization.SerializationService;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.io.IOException;
import java.nio.ByteBuffer;

import static com.hazelcast.nio.Packet.FLAG_OP_CONTROL;
import static com.hazelcast.nio.Packet.FLAG_URGENT;
import static com.hazelcast.nio.serialization.SerializationConcurrencyTest.Address;
import static com.hazelcast.nio.serialization.SerializationConcurrencyTest.FACTORY_ID;
import static com.hazelcast.nio.serialization.SerializationConcurrencyTest.Person;
import static com.hazelcast.nio.serialization.SerializationConcurrencyTest.PortableAddress;
import static com.hazelcast.nio.serialization.SerializationConcurrencyTest.PortablePerson;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

@RunWith(HazelcastSerialClassRunner.class)
@Category(QuickTest.class)
public class PacketTest {

    private final Person person = new Person(111, 123L, 89.56d, "test-person", new Address("street", 987));

    private final PortablePerson portablePerson = new PortablePerson(222, 456L, "portable-person",
            new PortableAddress("street", 567));

    private SerializationServiceBuilder createSerializationServiceBuilder() {
        PortableFactory portableFactory = new PortableFactory() {
            @Override
            public Portable create(int classId) {
                switch (classId) {
                    case 1:
                        return new PortablePerson();
                    case 2:
                        return new PortableAddress();
                }
                throw new IllegalArgumentException();
            }
        };
        return new DefaultSerializationServiceBuilder().addPortableFactory(FACTORY_ID, portableFactory);
    }

    @Test
    public void testPacketWriteRead() throws IOException {
        testPacketWriteRead(person);
    }

    @Test
    public void testPacketWriteRead_usingPortable() throws IOException {
        testPacketWriteRead(portablePerson);
    }

    private void testPacketWriteRead(Object originalObject) throws IOException {
        InternalSerializationService ss = (InternalSerializationService) createSerializationServiceBuilder().build();
        byte[] originalPayload = ss.toBytes(originalObject);

        ByteBuffer buffer = ByteBuffer.allocate(originalPayload.length * 2);
        Packet originalPacket = new Packet(originalPayload);
        assertTrue(originalPacket.writeTo(buffer));
        buffer.flip();

        SerializationService ss2 = createSerializationServiceBuilder().build();
        Packet clonedPacket = new Packet();
        assertTrue(clonedPacket.readFrom(buffer));

        Object clonedObject = ss2.toObject(clonedPacket);

        assertEquals(originalPacket, clonedPacket);
        assertEquals(originalObject, clonedObject);
    }

    @Test
    public void raiseFlags() {
        Packet packet = new Packet();
        packet.raiseFlags(FLAG_URGENT);

        assertEquals(FLAG_URGENT, packet.getFlags());
    }

    @Test
    public void setPacketType() {
        Packet packet = new Packet();
        for (Packet.Type type : Packet.Type.values()) {
            packet.setPacketType(type);
            assertSame(type, packet.getPacketType());
        }
    }

    @Test
    public void isFlagSet() {
        Packet packet = new Packet();
        packet.setPacketType(Packet.Type.OPERATION);
        packet.raiseFlags(FLAG_URGENT);

        assertSame(Packet.Type.OPERATION, packet.getPacketType());
        assertTrue(packet.isFlagRaised(FLAG_URGENT));
        assertFalse(packet.isFlagRaised(FLAG_OP_CONTROL));
    }

    @Test
    public void resetFlagsTo() {
        Packet packet = new Packet().setPacketType(Packet.Type.OPERATION);
        packet.resetFlagsTo(FLAG_URGENT);

        assertSame(Packet.Type.NULL, packet.getPacketType());
        assertEquals(FLAG_URGENT, packet.getFlags());
    }
}