/** Tests scenarios B-1 and B-2 in the [#16655] SR. */
@Test
public void testUpgrade() throws Exception {
open();
/* Master writes and reads v0 entities. */
masterApp.writeData(0);
masterApp.writeDataA(1);
masterApp.writeDataB(2);
masterApp.readData(0);
masterApp.readDataA(1);
masterApp.readDataB(2);
/* Replicas read v0 entities. */
replicaApp1.readData(0);
replicaApp1.readDataA(1);
replicaApp1.readDataB(2);
replicaApp2.readData(0);
replicaApp2.readDataA(1);
replicaApp2.readDataB(2);
/* Replica1 is upgraded to v1, upgrades metadata in memory. */
bounceReplica1(1);
/* Upgraded replica1 reads v0 entities, can't get new index. */
try {
replicaApp1.readData(0);
fail();
} catch (IndexNotAvailableException e) {
}
try {
replicaApp1.readDataB(2);
fail();
} catch (IndexNotAvailableException e) {
}
/* Upgraded replica1 can't get index for new entity NewData2. */
try {
replicaApp1.readData2(14);
fail();
} catch (IndexNotAvailableException e) {
}
/* Replica1 can read v0 DataA, because it has no new indexes. */
replicaApp1.readDataA(1);
/* Replica2 (not yet upgraded) reads v0 entities without errors. */
replicaApp2.readData(0);
replicaApp2.readDataA(1);
replicaApp2.readDataB(2);
/* Replica2 is upgraded to v1, upgrades metadata in memory. */
bounceReplica2(1);
/* Upgraded replicas read v0 entities, can't get new index. */
try {
replicaApp1.readData(0);
fail();
} catch (IndexNotAvailableException e) {
}
try {
replicaApp1.readDataB(2);
fail();
} catch (IndexNotAvailableException e) {
}
try {
replicaApp2.readData(0);
fail();
} catch (IndexNotAvailableException e) {
}
try {
replicaApp2.readDataB(2);
fail();
} catch (IndexNotAvailableException e) {
}
/* Upgraded replicas can't get index for new entity NewData2. */
try {
replicaApp1.readData2(14);
fail();
} catch (IndexNotAvailableException e) {
}
try {
replicaApp2.readData2(14);
fail();
} catch (IndexNotAvailableException e) {
}
/* Upgraded replicas can read v0 DataA, it has no new indexes. */
replicaApp1.readDataA(1);
replicaApp2.readDataA(1);
/* Read again on master for good measure. */
masterApp.readData(0);
masterApp.readDataA(1);
masterApp.readDataB(2);
/* Master is upgraded to v1, replica1 switches roles with master. */
bounceMaster(1);
/* Metadata is refreshed when new indexes are requested. */
try {
masterApp.readData(0);
fail();
} catch (DatabasePreemptedException expected) {
masterApp.close();
masterApp.open(masterEnv);
masterApp.readData(0);
}
masterApp.readDataA(1);
masterApp.readDataB(2);
try {
replicaApp1.readData(0);
fail();
} catch (DatabasePreemptedException expected) {
replicaApp1.close();
replicaApp1.open(replicaEnv1);
replicaApp1.readData(0);
}
replicaApp1.readDataA(1);
replicaApp1.readDataB(2);
try {
replicaApp2.readData(0);
fail();
} catch (DatabasePreemptedException expected) {
replicaApp2.close();
replicaApp2.open(replicaEnv2);
replicaApp2.readData(0);
}
replicaApp2.readDataA(1);
replicaApp2.readDataB(2);
/* Master writes v1 entities. */
masterApp.writeData(10);
masterApp.writeDataA(11);
masterApp.writeDataB(12);
/* Master reads v0 and v1 entities. */
masterApp.readData(0);
masterApp.readData(10);
masterApp.readDataA(1);
masterApp.readDataA(11);
masterApp.readDataB(2);
masterApp.readDataB(12);
/* Replicas read v0 and v1 entities. */
replicaApp1.readData(0);
replicaApp1.readData(10);
replicaApp1.readDataA(1);
replicaApp1.readDataA(11);
replicaApp1.readDataB(2);
replicaApp1.readDataB(12);
replicaApp2.readData(0);
replicaApp2.readData(10);
replicaApp2.readDataA(1);
replicaApp2.readDataA(11);
replicaApp2.readDataB(2);
replicaApp2.readDataB(12);
/* Master writes new NewDataC subclass, all can read. */
masterApp.writeDataC(13);
masterApp.readDataC(13);
replicaApp1.readDataC(13);
replicaApp2.readDataC(13);
/* Master writes new NewData2 entity class, all can read. */
masterApp.writeData2(14);
masterApp.readData2(14);
replicaApp1.readData2(14);
replicaApp2.readData2(14);
close();
}
