package jmri.jmrix.ipocs.protocol;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;

import java.nio.ByteBuffer;

import jmri.jmrix.ipocs.protocol.packets.SignOfLifePacket;
import jmri.util.JUnitUtil;

import org.junit.jupiter.api.*;

public class MessageTest {

    private final byte[] testMessage = { 0x09, 0x56, 0x78, 0x39, 0x31, 0x00, 0x17, 0x03, 0x00 };

    @Test
    public void testSerialize() {
        Message m = new Message();
        m.setObjectName("Vx91");
        m.getPackets().add(new SignOfLifePacket());
        ByteBuffer buffer = m.serialize();
        assertArrayEquals(testMessage, buffer.array(), "Message not as expected");
    }

    @Test
    public void testParse() {
        Message m = Message.parse(ByteBuffer.wrap(testMessage), testMessage.length);
        Assertions.assertNotNull(m);
        assertEquals("Vx91", m.getObjectName());
        assertEquals(1, m.getPackets().size());
        assertEquals(SignOfLifePacket.class, m.getPackets().get(0).getClass());
    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();
    }

    @AfterEach
    public void tearDown() {
        JUnitUtil.tearDown();
    }

}