[GitHub] [hbase] sandeepvinayak commented on a change in pull request #2960: HBASE-25583: Handle the running replication source gracefully with replication nodes deleted

[GitBox <gi...@apache.org>]

sandeepvinayak commented on a change in pull request #2960:
URL: https://github.com/apache/hbase/pull/2960#discussion_r578674958



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File path: hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceWithoutReplicationZnodes.java
##########
@@ -0,0 +1,234 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.replication.regionserver;
+
+import static org.apache.hadoop.hbase.replication.ReplicationSourceDummy.fakeExceptionMessage;
+
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.ClusterId;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;
+import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
+import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
+import org.apache.hadoop.hbase.replication.ReplicationException;
+import org.apache.hadoop.hbase.replication.ReplicationSourceDummyWithNoTermination;
+import org.apache.hadoop.hbase.replication.ReplicationSourceWithoutPeerException;
+import org.apache.hadoop.hbase.replication.ReplicationStateZKBase;
+import org.apache.hadoop.hbase.replication.regionserver.helper.DummyServer;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.FSUtils;
+import org.apache.hadoop.hbase.wal.WAL;
+import org.apache.hadoop.hbase.wal.WALFactory;
+import org.apache.hadoop.hbase.wal.WALKey;
+import org.apache.hadoop.hbase.zookeeper.ZKClusterId;
+import org.apache.hadoop.hbase.zookeeper.ZKUtil;
+import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TestName;
+
+@Category(MediumTests.class)
+public class TestReplicationSourceWithoutReplicationZnodes {
+
+  private static final Log LOG =
+    LogFactory.getLog(TestReplicationSourceManager.class);
+
+  private static Configuration conf;
+
+  private static HBaseTestingUtility utility;
+
+  private static Replication replication;
+
+  private static ReplicationSourceManager manager;
+
+  private static ZooKeeperWatcher zkw;
+
+  private static HTableDescriptor htd;
+
+  private static HRegionInfo hri;
+
+  private static final byte[] r1 = Bytes.toBytes("r1");
+
+  private static final byte[] r2 = Bytes.toBytes("r2");
+
+  private static final byte[] f1 = Bytes.toBytes("f1");
+
+  private static final byte[] f2 = Bytes.toBytes("f2");
+
+  private static final TableName test =
+    TableName.valueOf("test");
+
+  private static final String slaveId = "1";
+
+  private static FileSystem fs;
+
+  private static Path oldLogDir;
+
+  private static Path logDir;
+
+  private static DummyServer server;
+
+  @BeforeClass
+  public static void setUpBeforeClass() throws Exception {
+
+    conf = HBaseConfiguration.create();
+    conf.set("replication.replicationsource.implementation",

Review comment:
       @shahrs87 That would mean we will be running some tests twice? Since override will execute all the tests in the base class. It shares many things in common but `TestReplicationSourceManager` has lot of other stuff as well which we don't need.




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