package org.infinispan.lock.singlelock.optimistic;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.fail;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.lock.singlelock.AbstractLockOwnerCrashTest;
import org.infinispan.test.fwk.CleanupAfterMethod;
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.LockOwnerCrashOptimisticTest")
@CleanupAfterMethod
public class LockOwnerCrashOptimisticTest extends AbstractLockOwnerCrashTest {
public LockOwnerCrashOptimisticTest() {
super(CacheMode.DIST_SYNC, LockingMode.OPTIMISTIC, false);
}
private EmbeddedTransaction transaction;
public void testLockOwnerCrashesBeforePrepare() throws Exception {
final Object k = getKeyForCache(2);
inNewThread(() -> {
try {
tm(1).begin();
cache(1).put(k, "v");
transaction = (EmbeddedTransaction) tm(1).getTransaction();
} catch (Throwable e) {
log.errorf(e, "Error starting transaction for key %s", k);
}
});
eventually(() -> checkTxCount(0, 0, 0) && checkTxCount(1, 1, 0)&& checkTxCount(2, 0, 0));
killMember(2);
assert caches().size() == 2;
tm(1).resume(transaction);
tm(1).commit();
assertEquals("v", cache(0).get(k));
assertEquals("v", cache(1).get(k));
assertNotLocked(k);
eventually(() -> checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0));
}
public void lockOwnerCrasherBetweenPrepareAndCommit() throws Exception {
final Object k = getKeyForCache(2);
inNewThread(() -> {
try {
tm(1).begin();
cache(1).put(k, "v");
transaction = (EmbeddedTransaction) tm(1).getTransaction();
transaction.runPrepare();
} catch (Throwable e) {
log.errorf(e, "Error preparing transaction for key %s", k);
}
});
eventually(() -> checkTxCount(0, 0, 1) && checkTxCount(1, 1, 0) && checkTxCount(2, 0, 1));
killMember(2);
assert caches().size() == 2;
tm(1).begin();
cache(1).put(k, "v3");
try {
tm(1).commit();
fail("Exception expected as lock cannot be acquired on k=" + k);
} catch (Exception e) {
log.debugf(e, "Expected error committing transaction for key %s", k);
}
tm(0).begin();
cache(0).put(k, "v2");
try {
tm(0).commit();
fail("Exception expected as lock cannot be acquired on k=" + k);
} catch (Exception e) {
log.debugf(e, "Expected error committing transaction for key %s", k);
}
tm(1).resume(transaction);
transaction.runPrepare();
}
}