package lsr.paxos.messages;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
public class AcceptTest extends AbstractMessageTestCase<Accept> {
private Accept accept;
private int view;
private int instanceId;
private byte[] values;
@Before
public void setUp() {
view = 123;
instanceId = 432;
values = new byte[] {1, 5, 7, 3};
accept = new Accept(view, instanceId);
}
@Test
public void shouldInitializeFields() {
assertEquals(view, accept.getView());
assertEquals(instanceId, accept.getInstanceId());
}
@Test
public void shouldInitializeFromProposeMessage() {
Propose propose = new Propose(view, instanceId, values);
Accept actual = new Accept(propose);
compare(accept, actual);
}
@Test
public void shouldSerializeAndDeserialize() throws IOException {
verifySerialization(accept);
byte[] bytes = accept.toByteArray();
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
DataInputStream dis = new DataInputStream(bis);
MessageType type = MessageType.values()[dis.readByte()];
Accept deserializedAccept = new Accept(dis);
assertEquals(MessageType.Accept, type);
compare(accept, deserializedAccept);
assertEquals(0, dis.available());
assertEquals(bytes.length, accept.byteSize());
}
@Test
public void shouldReturnCorrectMessageType() {
assertEquals(MessageType.Accept, accept.getType());
}
protected void compare(Accept expected, Accept actual) {
assertEquals(expected.getView(), actual.getView());
assertEquals(expected.getInstanceId(), actual.getInstanceId());
}
}