package org.infinispan.lock.singlelock.optimistic;
import static org.testng.Assert.assertEquals;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.lock.singlelock.AbstractNoCrashTest;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.tm.EmbeddedTransaction;
import org.testng.annotations.Test;
/**
* @author Mircea Markus
* @since 5.1
*/
@Test (groups = "functional",testName = "lock.singlelock.optimistic.BasicSingleLockOptimisticTest")
public class BasicSingleLockOptimisticTest extends AbstractNoCrashTest {
public BasicSingleLockOptimisticTest() {
super(CacheMode.DIST_SYNC, LockingMode.OPTIMISTIC, false);
}
protected void testTxAndLockOnDifferentNodes(Operation operation, boolean addFirst, boolean removed) throws Exception {
final Object k = getKeyForCache(1);
if (addFirst)
cache(0).put(k, "v_initial");
assertNotLocked(k);
tm(0).begin();
operation.perform(k, 0);
EmbeddedTransaction dtm = (EmbeddedTransaction) tm(0).getTransaction();
dtm.runPrepare();
assert !lockManager(0).isLocked(k);
assert lockManager(1).isLocked(k);
assert !lockManager(2).isLocked(k);
dtm.runCommit(false);
assertNotLocked(k);
assertValue(k, removed);
}
public void testMultipleLocksInSameTx() throws Exception {
final Object k1 = getKeyForCache(1);
final Object k2 = getKeyForCache(2);
assertEquals(advancedCache(0).getDistributionManager().locate(k1).get(0), address(1));
log.tracef("k1=%s, k2=%s", k1, k2);
tm(0).begin();
cache(0).put(k1, "v");
cache(0).put(k2, "v");
EmbeddedTransaction dtm = (EmbeddedTransaction) tm(0).getTransaction();
dtm.runPrepare();
assert !lockManager(0).isLocked(k1);
assert lockManager(1).isLocked(k1);
assert !lockManager(2).isLocked(k1);
assert !lockManager(0).isLocked(k2);
assert !lockManager(1).isLocked(k2);
assert lockManager(2).isLocked(k2);
dtm.runCommit(false);
assertNotLocked(k1);
assertNotLocked(k2);
assertValue(k1, false);
assertValue(k2, false);
}
public void testSecondTxCannotPrepare() throws Exception {
final Object k = getKeyForCache(0);
tm(0).begin();
cache(0).put(k, "v");
EmbeddedTransaction dtm = (EmbeddedTransaction) tm(0).getTransaction();
dtm.runPrepare();
tm(0).suspend();
assert checkTxCount(0, 1, 0);
assert checkTxCount(1, 0, 1);
assert checkTxCount(2, 0, 1);
tm(0).begin();
cache(0).put(k, "other");
try {
tm(0).commit();
assert false;
} catch (Throwable e) {
//ignore
}
eventually(() -> checkTxCount(0, 1, 0) && checkTxCount(1, 0, 1) && checkTxCount(2, 0, 1));
log.info("Before second failure");
tm(1).begin();
cache(1).put(k, "other");
try {
tm(1).commit();
assert false;
} catch (Throwable e) {
//expected
}
eventually(() -> checkTxCount(0, 1, 0) && checkTxCount(1, 0, 1) && checkTxCount(2, 0, 1));
tm(0).resume(dtm);
dtm.runCommit(false);
assertValue(k, false);
eventually(() -> noPendingTransactions(0) && noPendingTransactions(1) && noPendingTransactions(2));
}
}