/*
* Licensed 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 com.facebook.presto.hive;
import com.facebook.presto.hive.metastore.HiveMetastoreClient;
import com.facebook.presto.hive.metastore.MockHiveMetastoreClient;
import com.facebook.presto.spi.PrestoException;
import io.airlift.units.Duration;
import org.testng.annotations.Test;
import java.util.List;
import static io.airlift.testing.Assertions.assertContains;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
public class TestStaticHiveCluster
{
private static final HiveMetastoreClient DEFAULT_CLIENT = createFakeMetastoreClient();
private static final HiveMetastoreClient FALLBACK_CLIENT = createFakeMetastoreClient();
private static final StaticMetastoreConfig CONFIG_WITH_FALLBACK = new StaticMetastoreConfig()
.setMetastoreUris("thrift://default:8080,thrift://fallback:8090,thrift://fallback2:8090");
private static final StaticMetastoreConfig CONFIG_WITHOUT_FALLBACK = new StaticMetastoreConfig()
.setMetastoreUris("thrift://default:8080");
@Test
public void testDefaultHiveMetastore()
{
HiveCluster cluster = createHiveCluster(CONFIG_WITH_FALLBACK, singletonList(DEFAULT_CLIENT));
assertEquals(cluster.createMetastoreClient(), DEFAULT_CLIENT);
}
@Test
public void testFallbackHiveMetastore()
{
HiveCluster cluster = createHiveCluster(CONFIG_WITH_FALLBACK, asList(null, null, FALLBACK_CLIENT));
assertEquals(cluster.createMetastoreClient(), FALLBACK_CLIENT);
}
@Test
public void testFallbackHiveMetastoreFails()
{
HiveCluster cluster = createHiveCluster(CONFIG_WITH_FALLBACK, asList(null, null, null));
assertCreateClientFails(cluster, "Failed connecting to Hive metastore: [default:8080, fallback:8090, fallback2:8090]");
}
@Test
public void testMetastoreFailedWithoutFallback()
{
HiveCluster cluster = createHiveCluster(CONFIG_WITHOUT_FALLBACK, singletonList(null));
assertCreateClientFails(cluster, "Failed connecting to Hive metastore: [default:8080]");
}
private static void assertCreateClientFails(HiveCluster cluster, String message)
{
try {
cluster.createMetastoreClient();
fail("expected exception");
}
catch (PrestoException e) {
assertContains(e.getMessage(), message);
}
}
private static HiveCluster createHiveCluster(StaticMetastoreConfig config, List<HiveMetastoreClient> clients)
{
return new StaticHiveCluster(config, new MockHiveMetastoreClientFactory(null, new Duration(1, SECONDS), clients));
}
private static HiveMetastoreClient createFakeMetastoreClient()
{
return new MockHiveMetastoreClient();
}
}