pvary commented on a change in pull request #2119:
URL: https://github.com/apache/iceberg/pull/2119#discussion_r571942823
##########
File path:
hive-metastore/src/test/java/org/apache/iceberg/hive/TestClientPool.java
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@@ -19,17 +19,83 @@
package org.apache.iceberg.hive;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
+import org.apache.hadoop.hive.metastore.api.*;
+import org.apache.iceberg.relocated.com.google.common.collect.Lists;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
import org.junit.Test;
+import org.mockito.Mockito;
public class TestClientPool {
+ HiveClientPool clients;
+
+ @Before
+ public void before() {
+ HiveClientPool clientPool = new HiveClientPool(2, new Configuration());
+ clients = Mockito.spy(clientPool);
+ }
+
+ @After
+ public void after() {
+ clients.close();
+ clients = null;
+ }
+
@Test(expected = RuntimeException.class)
public void testNewClientFailure() throws Exception {
try (MockClientPool pool = new MockClientPool(2, Exception.class)) {
pool.run(Object::toString);
}
}
+ @Test
+ public void testConnectionFailureRestore() throws Exception {
+
+ HiveMetaStoreClient hmsClient = Mockito.mock(HiveMetaStoreClient.class);
+ Mockito.doReturn(hmsClient).when(clients).newClient();
+
+ // Throwing an exception may trigger the client to reconnect.
+ String metaMessage = "Got exception:
org.apache.thrift.transport.TTransportException";
+ Mockito.doThrow(new
MetaException(metaMessage)).when(hmsClient).getAllDatabases();
+ Mockito.doThrow(new
MetaException(metaMessage)).when(hmsClient).getAllFunctions();
Review comment:
Thanks!
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