/*
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 * Copyright 2011 Red Hat Inc. and/or its affiliates and other
 * contributors as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a full listing of
 * individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.infinispan.lock.singlelock.replicated.optimistic;

import org.infinispan.config.Configuration;
import org.infinispan.lock.singlelock.AbstractCrashTest;
import org.infinispan.test.fwk.CleanupAfterMethod;
import org.infinispan.transaction.LockingMode;
import org.testng.annotations.Test;

import java.util.concurrent.CountDownLatch;

/**
 * @author Mircea Markus
 * @since 5.1
 */
@Test (groups = "functional", testName = "lock.singlelock.replicated.optimistic.InitiatorCrashOptimisticReplTest")
@CleanupAfterMethod
public class InitiatorCrashOptimisticReplTest extends AbstractCrashTest {


   public InitiatorCrashOptimisticReplTest() {
      super(Configuration.CacheMode.REPL_SYNC, LockingMode.OPTIMISTIC, false);
   }

   public InitiatorCrashOptimisticReplTest(Configuration.CacheMode mode, LockingMode locking, boolean useSync) {
      super(mode, locking, useSync);
   }

   public void testInitiatorNodeCrashesBeforeCommit() throws Exception {

      TxControlInterceptor txControlInterceptor = new TxControlInterceptor();
      txControlInterceptor.prepareProgress.countDown();
      advancedCache(1).addInterceptor(txControlInterceptor, 1);

      beginAndCommitTx("k", 1);
      txControlInterceptor.commitReceived.await();

      assertLocked(cache(0), "k");
      assertNotLocked(cache(1), "k");
      assertNotLocked(cache(2), "k");

      checkTxCount(0, 0, 1);
      checkTxCount(1, 1, 0);
      checkTxCount(2, 0, 1);

      killMember(1);
      cacheManagers.remove(1);

      assertNotLocked("k");
      eventually(new Condition() {
         @Override
         public boolean isSatisfied() throws Exception {
            return checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0);
         }
      });
   }

   public void testInitiatorCrashesBeforeReleasingLock() throws Exception {
      final CountDownLatch releaseLocksLatch = new CountDownLatch(1);

      prepareCache(releaseLocksLatch);

      beginAndCommitTx("k", 1);
      releaseLocksLatch.await();

      assert checkTxCount(0, 0, 1);
      assert checkTxCount(1, 0, 0);
      assert checkTxCount(2, 0, 1);

      assertLocked(cache(0), "k");
      assertNotLocked(cache(1), "k");
      assertNotLocked(cache(2), "k");

      killMember(1);
      cacheManagers.remove(1);

      eventually(new Condition() {
         @Override
         public boolean isSatisfied() throws Exception {
            return checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0);
         }
      });
      assertNotLocked("k");
      assert cache(0).get("k").equals("v");
      assert cache(1).get("k").equals("v");
   }

   public void testInitiatorNodeCrashesBeforePrepare() throws Exception {

      TxControlInterceptor txControlInterceptor = new TxControlInterceptor();
      advancedCache(1).addInterceptor(txControlInterceptor, 1);

      //prepare is sent, but is not precessed on other nodes because of the txControlInterceptor.preparedReceived
      beginAndPrepareTx("k", 1);

      txControlInterceptor.preparedReceived.await();
      assert checkTxCount(0, 0, 1);
      assert checkTxCount(1, 1, 0);
      assert checkTxCount(2, 0, 1);

      killMember(1);
      cacheManagers.remove(1);

      assert caches().size() == 2;
      txControlInterceptor.prepareProgress.countDown();

      assertNotLocked("k");
      eventually(new Condition() {
         @Override
         public boolean isSatisfied() throws Exception {
            return checkTxCount(0, 0, 0) && checkTxCount(1, 0, 0);
         }
      });
   }
}