Exemplo n.º 1
0
        public virtual void TestEditLogFileNotExistsWhenReadingMetadata()
        {
            URI                      uri  = BKJMUtil.CreateJournalURI("/hdfsjournal-editlogfile");
            NamespaceInfo            nsi  = NewNSInfo();
            BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf, uri, nsi);

            bkjm.Format(nsi);
            try
            {
                // start new inprogress log segment with txid=1
                // and write transactions till txid=50
                string zkpath1 = StartAndFinalizeLogSegment(bkjm, 1, 50);
                // start new inprogress log segment with txid=51
                // and write transactions till txid=100
                string zkpath2 = StartAndFinalizeLogSegment(bkjm, 51, 100);
                // read the metadata from ZK. Here simulating the situation
                // when reading,the edit log metadata can be removed by purger thread.
                ZooKeeper zkspy = Org.Mockito.Mockito.Spy(BKJMUtil.ConnectZooKeeper());
                bkjm.SetZooKeeper(zkspy);
                Org.Mockito.Mockito.DoThrow(new KeeperException.NoNodeException(zkpath2 + " doesn't exists"
                                                                                )).When(zkspy).GetData(zkpath2, false, null);
                IList <EditLogLedgerMetadata> ledgerList = bkjm.GetLedgerList(false);
                NUnit.Framework.Assert.AreEqual("List contains the metadata of non exists path.",
                                                1, ledgerList.Count);
                NUnit.Framework.Assert.AreEqual("LogLedgerMetadata contains wrong zk paths.", zkpath1
                                                , ledgerList[0].GetZkPath());
            }
            finally
            {
                bkjm.Close();
            }
        }
        public virtual void TestEmptyInputStream()
        {
            ZooKeeper  zk  = BKJMUtil.ConnectZooKeeper();
            BookKeeper bkc = new BookKeeper(new ClientConfiguration(), zk);

            try
            {
                LedgerHandle lh = bkc.CreateLedger(BookKeeper.DigestType.Crc32, Sharpen.Runtime.GetBytesForString
                                                       ("foobar"));
                lh.Close();
                EditLogLedgerMetadata metadata = new EditLogLedgerMetadata("/foobar", HdfsConstants
                                                                           .NamenodeLayoutVersion, lh.GetId(), unchecked ((int)(0x1234)));
                try
                {
                    new BookKeeperEditLogInputStream(lh, metadata, -1);
                    NUnit.Framework.Assert.Fail("Shouldn't get this far, should have thrown");
                }
                catch (IOException ioe)
                {
                    NUnit.Framework.Assert.IsTrue(ioe.Message.Contains("Invalid first bk entry to read"
                                                                       ));
                }
                metadata = new EditLogLedgerMetadata("/foobar", HdfsConstants.NamenodeLayoutVersion
                                                     , lh.GetId(), unchecked ((int)(0x1234)));
                try
                {
                    new BookKeeperEditLogInputStream(lh, metadata, 0);
                    NUnit.Framework.Assert.Fail("Shouldn't get this far, should have thrown");
                }
                catch (IOException ioe)
                {
                    NUnit.Framework.Assert.IsTrue(ioe.Message.Contains("Invalid first bk entry to read"
                                                                       ));
                }
            }
            finally
            {
                bkc.Close();
                zk.Close();
            }
        }
Exemplo n.º 3
0
 public virtual void Setup()
 {
     zkc = BKJMUtil.ConnectZooKeeper();
 }