package lsr.paxos.messages;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import lsr.common.Reply;
import lsr.paxos.Snapshot;
import org.junit.Before;
import org.junit.Test;
public class CatchUpSnapshotTest extends AbstractMessageTestCase<CatchUpSnapshot> {
private int view = 12;
private long requestTime = 32485729;
private byte[] value = new byte[] {1, 7, 4, 5};
private int instanceId = 52;
private Snapshot snapshot;
private CatchUpSnapshot catchUpSnapshot;
@Before
public void setUp() {
snapshot = new Snapshot();
snapshot.setNextInstanceId(instanceId);
snapshot.setValue(value);
snapshot.setLastReplyForClient(new HashMap<Long, Reply>());
snapshot.setPartialResponseCache(new ArrayList<Reply>());
catchUpSnapshot = new CatchUpSnapshot(view, requestTime, snapshot);
}
@Test
public void shouldInitializeFields() {
assertEquals(view, catchUpSnapshot.getView());
assertEquals(requestTime, catchUpSnapshot.getRequestTime());
assertEquals(instanceId, catchUpSnapshot.getSnapshot().getNextInstanceId());
assertArrayEquals(value, catchUpSnapshot.getSnapshot().getValue());
}
@Test
public void shouldSerializeAndDeserialize() throws IOException {
verifySerialization(catchUpSnapshot);
byte[] bytes = catchUpSnapshot.toByteArray();
assertEquals(bytes.length, catchUpSnapshot.byteSize());
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
DataInputStream dis = new DataInputStream(bis);
MessageType type = MessageType.values()[dis.readByte()];
CatchUpSnapshot deserializedCatchUpSnapshot = new CatchUpSnapshot(dis);
assertEquals(MessageType.CatchUpSnapshot, type);
compare(catchUpSnapshot, deserializedCatchUpSnapshot);
assertEquals(0, dis.available());
}
@Test
public void shouldReturnCorrectMessageType() {
assertEquals(MessageType.CatchUpSnapshot, catchUpSnapshot.getType());
}
protected void compare(CatchUpSnapshot expected, CatchUpSnapshot actual) {
assertEquals(expected.getView(), actual.getView());
assertEquals(expected.getSentTime(), actual.getSentTime());
assertEquals(expected.getType(), actual.getType());
assertEquals(expected.getRequestTime(), actual.getRequestTime());
assertEquals(expected.getSnapshot().getNextInstanceId(),
actual.getSnapshot().getNextInstanceId());
assertArrayEquals(expected.getSnapshot().getValue(), actual.getSnapshot().getValue());
}
}