package org.jgroups.tests;
import org.jgroups.Address;
import org.jgroups.Global;
import org.jgroups.util.Digest;
import org.jgroups.util.MutableDigest;
import org.jgroups.util.Util;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
/**
* @author Bela Ban
*/
@Test(groups=Global.FUNCTIONAL, sequential=true)
public class DigestTest {
Digest d, d2;
MutableDigest md;
Address a1, a2, a3;
@BeforeClass
void beforeClass() throws Exception {
a1=Util.createRandomAddress();
a2=Util.createRandomAddress();
a3=Util.createRandomAddress();
}
@BeforeMethod
void beforeMethod() {
Map<Address, Digest.Entry> map=new HashMap<Address, Digest.Entry>();
map.put(a1, new Digest.Entry(4, 500, 501));
map.put(a2, new Digest.Entry(25, 26, 26));
map.put(a3, new Digest.Entry(20, 25, 33));
d=new Digest(map);
md=new MutableDigest(map);
}
public void testSize() {
d2=new Digest(3);
Assert.assertEquals(0, d2.size());
}
public void testEquals() {
d2=d.copy();
System.out.println("d: " + d + "\nd2= " + d2);
Assert.assertEquals(d, d);
Assert.assertEquals(d, d2);
}
public void testDifference(){
Map<Address, Digest.Entry> map=new HashMap<Address, Digest.Entry>();
map.put(a1, new Digest.Entry(4, 500, 501));
map.put(a2, new Digest.Entry(25, 26, 26));
map.put(a3, new Digest.Entry(20, 25, 33));
Digest digest =new Digest(map);
Map<Address, Digest.Entry> map2=new HashMap<Address, Digest.Entry>();
map2.put(a1, new Digest.Entry(4, 500, 501));
map2.put(a2, new Digest.Entry(25, 26, 26));
map2.put(a3, new Digest.Entry(20, 37, 33));
Digest digest2 =new Digest(map2);
Assert.assertNotSame(digest, digest2);
Digest diff = digest2.difference(digest);
System.out.println(diff);
assert diff.contains(a3);
Assert.assertEquals(1, diff.size());
Map<Address, Digest.Entry> map3=new HashMap<Address, Digest.Entry>();
map3.put(a1, new Digest.Entry(4, 500, 501));
map3.put(a2, new Digest.Entry(25, 26, 26));
map3.put(a3, new Digest.Entry(20, 37, 33));
map3.put(Util.createRandomAddress(), new Digest.Entry(1, 2, 3));
Digest digest3 =new Digest(map3);
diff = digest3.difference(digest);
System.out.println(diff);
Assert.assertEquals(2, diff.size());
diff = digest3.difference(digest2);
System.out.println(diff);
Assert.assertEquals(1, diff.size());
Digest diff2 = digest2.difference(digest3);
System.out.println(diff2);
Assert.assertEquals(1, diff2.size());
Assert.assertEquals(diff, diff2);
}
public void testIsGreaterThanOrEqual() {
Map<Address, Digest.Entry> map=new HashMap<Address, Digest.Entry>();
map.put(a1, new Digest.Entry(4, 500, 501));
map.put(a2, new Digest.Entry(25, 26, 26));
map.put(a3, new Digest.Entry(20, 25, 33));
Digest my=new Digest(map);
System.out.println("\nd: " + d + "\nmy: " + my);
assert my.isGreaterThanOrEqual(d);
map.remove(a3);
map.put(a3, new Digest.Entry(20, 26, 33));
my=new Digest(map);
System.out.println("\nd: " + d + "\nmy: " + my);
assert my.isGreaterThanOrEqual(d);
map.remove(a3);
map.put(a3, new Digest.Entry(20, 22, 32));
my=new Digest(map);
System.out.println("\nd: " + d + "\nmy: " + my);
assert !(my.isGreaterThanOrEqual(d));
}
public void testEquals2() {
md=new MutableDigest(d);
System.out.println("d: " + d + "\nmd= " + md);
Assert.assertEquals(d, d);
Assert.assertEquals(d, md);
md.incrementHighestDeliveredSeqno(a1);
System.out.println("d: " + d + "\nmd= " + md);
assert !(d.equals(md));
}
public void testMutability() {
Digest md2=md;
Assert.assertEquals(md, md2);
md.incrementHighestDeliveredSeqno(a2);
Assert.assertEquals(md, md2);
}
public void testImmutability() {
MutableDigest tmp=new MutableDigest(d);
Assert.assertEquals(d, tmp);
tmp.incrementHighestDeliveredSeqno(a2);
assert !(d.equals(tmp));
}
public void testImmutability2() {
Digest tmp=d.copy();
Assert.assertEquals(d, tmp);
}
public void testImmutability3() {
Digest tmp=new Digest(d);
Assert.assertEquals(tmp, d);
}
public void testImmutability4() {
Digest copy=md.copy();
Assert.assertEquals(copy, md);
md.incrementHighestDeliveredSeqno(a1);
assert !(copy.equals(md));
}
public void testSeal() {
MutableDigest tmp=new MutableDigest(3);
tmp.add(a2, 1,2,3);
Assert.assertEquals(1, tmp.size());
tmp.seal();
try {
tmp.add(a2, 4,5,6);
assert false : "should run into an exception";
}
catch(IllegalAccessError e) {
System.out.println("received exception \"" + e.toString() + "\" - as expected");
}
Assert.assertEquals(1, tmp.size());
}
public void testSeal2() {
md.incrementHighestDeliveredSeqno(a1);
md.seal();
try {
md.incrementHighestDeliveredSeqno(a3);
assert false : "should run into an exception";
}
catch(IllegalAccessError e) {
System.out.println("received exception \"" + e.toString() + "\" - as expected");
}
MutableDigest tmp=new MutableDigest(md);
tmp.incrementHighestDeliveredSeqno(a3);
}
public void testAdd() {
Assert.assertEquals(3, md.size());
md.add(a1, 100, 200, 201);
Assert.assertEquals(3, md.size());
md.add(Util.createRandomAddress(), 1,2,3);
Assert.assertEquals(4, md.size());
}
public void testAddDigest() {
Digest tmp=md.copy();
md.add(tmp);
Assert.assertEquals(3, md.size());
}
public void testAddDigest2() {
MutableDigest tmp=new MutableDigest(4);
tmp.add(Util.createRandomAddress(), 1,2,3);
tmp.add(Util.createRandomAddress(), 1,2,3);
tmp.add(a2, 1,2,3);
tmp.add(a3, 1,2,3);
md.add(tmp);
Assert.assertEquals(5, md.size());
}
public void testGet() {
Digest.Entry entry;
entry=d.get(a1);
Assert.assertEquals(entry, new Digest.Entry(4, 500, 501));
entry=d.get(a2);
Assert.assertEquals(entry, new Digest.Entry(25, 26, 26));
entry=d.get(a3);
Assert.assertEquals(entry, new Digest.Entry(20, 25, 33));
}
public void testIncrementHighSeqno() {
md=new MutableDigest(3);
md.add(a1, 1, 100);
md.add(a2, 3, 300);
md.add(a3, 7, 700);
long tmp=md.highestDeliveredSeqnoAt(a1);
md.incrementHighestDeliveredSeqno(a1);
Assert.assertEquals(md.highestDeliveredSeqnoAt(a1), tmp + 1);
tmp=md.highestDeliveredSeqnoAt(a2);
md.incrementHighestDeliveredSeqno(a2);
Assert.assertEquals(md.highestDeliveredSeqnoAt(a2), tmp + 1);
tmp=md.highestDeliveredSeqnoAt(a3);
md.incrementHighestDeliveredSeqno(a3);
Assert.assertEquals(md.highestDeliveredSeqnoAt(a3), tmp + 1);
}
public void testConstructor() {
Assert.assertEquals(3, md.size());
md.clear();
Assert.assertEquals(0, md.size());
md.clear();
Assert.assertEquals(0, md.size());
}
public static void testConstructor2() {
Digest dd=new Digest(3);
Assert.assertEquals(0, dd.size());
}
public static void testConstructor3() {
Digest dd=new MutableDigest(3);
Assert.assertEquals(0, dd.size());
}
public void testContains() {
assert d.contains(a1);
assert d.contains(a2);
assert d.contains(a3);
}
public void testResetAt() {
md.resetAt(a1);
Assert.assertEquals(0, md.lowSeqnoAt(a1));
Assert.assertEquals(0, md.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(0, md.highestReceivedSeqnoAt(a1));
}
public void testLowSeqnoAt() {
Assert.assertEquals(4, d.lowSeqnoAt(a1));
Assert.assertEquals(25, d.lowSeqnoAt(a2));
Assert.assertEquals(20, d.lowSeqnoAt(a3));
}
public void testHighSeqnoAt() {
Assert.assertEquals(500, d.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(26, d.highestDeliveredSeqnoAt(a2));
Assert.assertEquals(25, d.highestDeliveredSeqnoAt(a3));
}
// public void testSetHighSeqnoAt() {
// assertEquals(500, md.highSeqnoAt(a1));
// md.setHighSeqnoAt(a1, 555);
// assertEquals(555, md.highSeqnoAt(a1));
// }
public void testHighSeqnoSeenAt() {
Assert.assertEquals(501, d.highestReceivedSeqnoAt(a1));
Assert.assertEquals(26, d.highestReceivedSeqnoAt(a2));
Assert.assertEquals(33, d.highestReceivedSeqnoAt(a3));
}
// public void testSetHighSeenSeqnoAt() {
// assertEquals(26, md.highSeqnoSeenAt(a2));
// md.setHighSeqnoSeenAt(a2, 100);
// assertEquals(100, md.highSeqnoSeenAt(a2));
// }
public void testSetHighestDeliveredAndSeenSeqnoAt() {
Assert.assertEquals(4, d.lowSeqnoAt(a1));
Assert.assertEquals(500, d.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(501, md.highestReceivedSeqnoAt(a1));
md.setHighestDeliveredAndSeenSeqnos(a1, 2, 10, 20);
Assert.assertEquals(2, md.lowSeqnoAt(a1));
Assert.assertEquals(10, md.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(20, md.highestReceivedSeqnoAt(a1));
}
public void testCopy() {
d=d.copy();
testLowSeqnoAt();
testHighSeqnoAt();
testHighSeqnoSeenAt();
testContains();
testResetAt();
}
public void testCopy2() {
Digest tmp=d.copy();
Assert.assertEquals(tmp, d);
}
public void testMutableCopy() {
Digest copy=md.copy();
System.out.println("md=" + md + "\ncopy=" + copy);
Assert.assertEquals(md, copy);
md.add(a1, 4, 500, 1000);
System.out.println("md=" + md + "\ncopy=" + copy);
assert !(md.equals(copy));
}
public void testMerge() {
Map<Address, Digest.Entry> map=new HashMap<Address, Digest.Entry>();
map.put(a1, new Digest.Entry(3, 499, 502));
map.put(a2, new Digest.Entry(20, 26, 27));
map.put(a3, new Digest.Entry(21, 26, 35));
MutableDigest digest=new MutableDigest(map);
System.out.println("d: " + d);
System.out.println("digest: " + digest);
digest.merge(d);
System.out.println("merged digest: " + digest);
Assert.assertEquals(3, d.size());
Assert.assertEquals(3, digest.size());
Assert.assertEquals(3, digest.lowSeqnoAt(a1));
Assert.assertEquals(500, digest.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(502, digest.highestReceivedSeqnoAt(a1));
Assert.assertEquals(20, digest.lowSeqnoAt(a2));
Assert.assertEquals(26, digest.highestDeliveredSeqnoAt(a2));
Assert.assertEquals(27, digest.highestReceivedSeqnoAt(a2));
Assert.assertEquals(20, digest.lowSeqnoAt(a3));
Assert.assertEquals(26, digest.highestDeliveredSeqnoAt(a3));
Assert.assertEquals(35, digest.highestReceivedSeqnoAt(a3));
}
public void testNonConflictingMerge() {
MutableDigest cons_d=new MutableDigest(5);
Address ip1=Util.createRandomAddress(), ip2=Util.createRandomAddress();
cons_d.add(ip1, 1, 10, 10);
cons_d.add(ip2, 2, 20, 20);
// System.out.println("\ncons_d before: " + cons_d);
cons_d.merge(d);
Assert.assertEquals(5, cons_d.size());
//System.out.println("\ncons_d after: " + cons_d);
Assert.assertEquals(1, cons_d.lowSeqnoAt(ip1));
Assert.assertEquals(2, cons_d.lowSeqnoAt(ip2));
Assert.assertEquals(4, cons_d.lowSeqnoAt(a1));
Assert.assertEquals(25, cons_d.lowSeqnoAt(a2));
Assert.assertEquals(20, cons_d.lowSeqnoAt(a3));
Assert.assertEquals(10, cons_d.highestDeliveredSeqnoAt(ip1));
Assert.assertEquals(20, cons_d.highestDeliveredSeqnoAt(ip2));
Assert.assertEquals(500, cons_d.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(26, cons_d.highestDeliveredSeqnoAt(a2));
Assert.assertEquals(25, cons_d.highestDeliveredSeqnoAt(a3));
Assert.assertEquals(10, cons_d.highestReceivedSeqnoAt(ip1));
Assert.assertEquals(20, cons_d.highestReceivedSeqnoAt(ip2));
Assert.assertEquals(501, cons_d.highestReceivedSeqnoAt(a1));
Assert.assertEquals(26, cons_d.highestReceivedSeqnoAt(a2));
Assert.assertEquals(33, cons_d.highestReceivedSeqnoAt(a3));
}
public void testConflictingMerge() {
MutableDigest new_d=new MutableDigest(2);
new_d.add(a1, 5, 450, 501);
new_d.add(a3, 18, 28, 35);
//System.out.println("\nd before: " + d);
//System.out.println("new_: " + new_d);
md.merge(new_d);
Assert.assertEquals(3, md.size());
//System.out.println("d after: " + d);
Assert.assertEquals(4, md.lowSeqnoAt(a1));
Assert.assertEquals(500, md.highestDeliveredSeqnoAt(a1));
Assert.assertEquals(501, md.highestReceivedSeqnoAt(a1));
Assert.assertEquals(25, md.lowSeqnoAt(a2));
Assert.assertEquals(26, md.highestDeliveredSeqnoAt(a2));
Assert.assertEquals(26, md.highestReceivedSeqnoAt(a2));
Assert.assertEquals(18, md.lowSeqnoAt(a3));
Assert.assertEquals(28, md.highestDeliveredSeqnoAt(a3));
Assert.assertEquals(35, md.highestReceivedSeqnoAt(a3));
}
public void testSameSendersOtherIsNull() {
assert !(d.sameSenders(null));
}
public void testSameSenders1MNullDifferentLenth() {
d2=new Digest(1);
assert !(d2.sameSenders(d));
}
public void testSameSenders1MNullSameLength() {
d2=new Digest(3);
assert !(d2.sameSenders(d));
}
public void testSameSendersIdentical() {
d2=d.copy();
assert d.sameSenders(d2);
}
public void testSameSendersNotIdentical() {
MutableDigest tmp=new MutableDigest(3);
tmp.add(a1, 4, 500, 501);
tmp.add(a3, 20, 25, 33);
tmp.add(a2, 25, 26, 26);
assert md.sameSenders(tmp);
assert d.sameSenders(tmp);
}
public void testSameSendersNotSameLength() {
md=new MutableDigest(3);
md.add(a1, 4, 500, 501);
md.add(a2, 25, 26, 26);
assert !(d.sameSenders(md));
}
public void testStreamable() throws IOException, IllegalAccessException, InstantiationException {
ByteArrayOutputStream outstream=new ByteArrayOutputStream();
DataOutputStream dos=new DataOutputStream(outstream);
d.writeTo(dos);
dos.close();
byte[] buf=outstream.toByteArray();
ByteArrayInputStream instream=new ByteArrayInputStream(buf);
DataInputStream dis=new DataInputStream(instream);
Digest tmp=new Digest();
tmp.readFrom(dis);
Assert.assertEquals(d, tmp);
}
public void testSerializedSize() throws Exception {
long len=d.serializedSize();
byte[] buf=Util.streamableToByteBuffer(d);
Assert.assertEquals(len, buf.length);
}
}