package lsr.paxos.messages;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Arrays;
import org.junit.Before;
import org.junit.Test;
public class ProposeTest extends AbstractMessageTestCase<Propose> {
private int view = 12;
private int instanceId = 23;
private byte[] value = new byte[] {1, 7, 4, 5};
private Propose propose;
@Before
public void setUp() {
propose = new Propose(view, instanceId, value);
}
@Test
public void shouldInitializeFields() {
assertEquals(view, propose.getView());
assertEquals(instanceId, propose.getInstanceId());
assertTrue(Arrays.equals(value, propose.getValue()));
}
@Test
public void shouldSerializeAndDeserialize() throws IOException {
verifySerialization(propose);
byte[] bytes = propose.toByteArray();
assertEquals(bytes.length, propose.byteSize());
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
DataInputStream dis = new DataInputStream(bis);
MessageType type = MessageType.values()[dis.readByte()];
Propose deserializedPropose = new Propose(dis);
assertEquals(MessageType.Propose, type);
compare(propose, deserializedPropose);
assertEquals(0, dis.available());
}
@Test
public void shouldReturnCorrectMessageType() {
assertEquals(MessageType.Propose, propose.getType());
}
protected void compare(Propose expected, Propose actual) {
assertEquals(expected.getView(), actual.getView());
assertEquals(expected.getSentTime(), actual.getSentTime());
assertEquals(expected.getType(), actual.getType());
assertEquals(expected.getInstanceId(), actual.getInstanceId());
assertTrue(Arrays.equals(expected.getValue(), actual.getValue()));
}
}