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SOLR-8599: Improved the tests for this issue to avoid changing a variable to non-final

This commit is contained in:
Dennis Gove 2016-03-20 11:13:56 -04:00
parent d392940092
commit e3b785a906
2 changed files with 33 additions and 15 deletions
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38
solr/core/src/test/org/apache/solr/cloud/ConnectionManagerTest.java
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@ -16,6 +16,7 @@
*/
package org.apache.solr.cloud;
import java.io.IOException;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
@ -23,9 +24,14 @@ import java.util.concurrent.TimeUnit;
import org.apache.lucene.util.LuceneTestCase.Slow;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.common.cloud.ConnectionManager;
import org.apache.solr.common.cloud.DefaultConnectionStrategy;
import org.apache.solr.common.cloud.OnReconnect;
import org.apache.solr.common.cloud.SolrZkClient;
import org.apache.solr.common.cloud.ZkClientConnectionStrategy;
import org.apache.solr.common.cloud.ZkClientConnectionStrategy.ZkUpdate;
import org.apache.solr.util.DefaultSolrThreadFactory;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.Watcher.Event.EventType;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.junit.Ignore;
@ -129,22 +135,19 @@ public class ConnectionManagerTest extends SolrTestCaseJ4 {
AbstractZkTestCase.tryCleanSolrZkNode(server.getZkHost());
AbstractZkTestCase.makeSolrZkNode(server.getZkHost());
SolrZkClient zkClient = new SolrZkClient(server.getZkAddress(), TIMEOUT);
MockZkClientConnectionStrategy strat = new MockZkClientConnectionStrategy();
SolrZkClient zkClient = new SolrZkClient(server.getZkAddress(), TIMEOUT, strat , null);
ConnectionManager cm = zkClient.getConnectionManager();
try {
assertFalse(cm.isLikelyExpired());
assertTrue(cm.isConnected());
cm.setZkServerAddress("http://BADADDRESS");
executor.schedule(() -> {
cm.setZkServerAddress(server.getZkAddress());
}, 5, TimeUnit.SECONDS);
// reconnect -- should no longer be likely expired
cm.process(new WatchedEvent(EventType.None, KeeperState.Expired, ""));
assertFalse(cm.isLikelyExpired());
assertTrue(cm.isConnected());
assertTrue(strat.isExceptionThrow());
} finally {
cm.close();
zkClient.close();
@ -154,4 +157,25 @@ public class ConnectionManagerTest extends SolrTestCaseJ4 {
server.shutdown();
}
}
private class MockZkClientConnectionStrategy extends DefaultConnectionStrategy {
int called = 0;
boolean exceptionThrown = false;
@Override
public void reconnect(final String serverAddress, final int zkClientTimeout,
final Watcher watcher, final ZkUpdate updater) throws IOException {
if(called++ < 1) {
exceptionThrown = true;
throw new IOException("Testing");
}
super.reconnect(serverAddress, zkClientTimeout, watcher, updater);
}
public boolean isExceptionThrow() {
return exceptionThrown;
}
}
}

8
solr/solrj/src/java/org/apache/solr/common/cloud/ConnectionManager.java
View File

@ -37,8 +37,7 @@ public class ConnectionManager implements Watcher {
private final ZkClientConnectionStrategy connectionStrategy;
//expert: mutable for testing
private String zkServerAddress;
private final String zkServerAddress;
@ -255,9 +254,4 @@ public class ConnectionManager implements Watcher {
"", e);
}
}
//expert: mutable for testing
public void setZkServerAddress(String zkServerAddress) {
this.zkServerAddress = zkServerAddress;
}
}