/**
* 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.hive.metastore;
import junit.framework.Assert;
import org.apache.hadoop.hive.metastore.api.LockComponent;
import org.apache.hadoop.hive.metastore.api.LockLevel;
import org.apache.hadoop.hive.metastore.api.LockRequest;
import org.apache.hadoop.hive.metastore.api.LockType;
import org.junit.Test;
import java.net.InetAddress;
import java.util.List;
/**
* Tests for LockRequestBuilder.
*/
public class TestLockRequestBuilder {
// Test failure if user not set
@Test
public void noUser() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
boolean caughtException = false;
try {
LockRequest req = bldr.build();
} catch (RuntimeException e) {
Assert.assertEquals("Cannot build a lock without giving a user", e.getMessage());
caughtException = true;
}
Assert.assertTrue(caughtException);
}
// Test that database and table don't coalesce.
@Test
public void testDbTable() throws Exception {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(2, locks.size());
Assert.assertEquals("fred", req.getUser());
Assert.assertEquals(InetAddress.getLocalHost().getHostName(), req.getHostname());
}
// Test that database and table don't coalesce.
@Test
public void testTablePartition() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser(null);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypartition");
bldr.addLockComponent(comp);
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(2, locks.size());
Assert.assertEquals("unknown", req.getUser());
}
// Test that 2 separate databases don't coalesce.
@Test
public void testTwoSeparateDbs() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "yourdb");
bldr.addLockComponent(comp);
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(2, locks.size());
}
// Test that 2 exclusive db locks coalesce to one
@Test
public void testExExDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
}
// Test that existing exclusive db with new shared_write coalesces to
// exclusive
@Test
public void testExSWDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing exclusive db with new shared_read coalesces to
// exclusive
@Test
public void testExSRDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write db with new exclusive coalesces to
// exclusive
@Test
public void testSWExDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write db with new shared_write coalesces to
// shared_write
@Test
public void testSWSWDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_write db with new shared_read coalesces to
// shared_write
@Test
public void testSWSRDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read db with new exclusive coalesces to
// exclusive
@Test
public void testSRExDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_read db with new shared_write coalesces to
// shared_write
@Test
public void testSRSWDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read db with new shared_read coalesces to
// shared_read
@Test
public void testSRSRDb() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_READ, locks.get(0).getType());
}
// Test that 2 separate tables don't coalesce.
@Test
public void testTwoSeparateTables() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("yourtable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(2, locks.size());
}
// Test that 2 exclusive table locks coalesce to one
@Test
public void testExExTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
}
// Test that existing exclusive table with new shared_write coalesces to
// exclusive
@Test
public void testExSWTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing exclusive table with new shared_read coalesces to
// exclusive
@Test
public void testExSRTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write table with new exclusive coalesces to
// exclusive
@Test
public void testSWExTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write table with new shared_write coalesces to
// shared_write
@Test
public void testSWSWTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_write table with new shared_read coalesces to
// shared_write
@Test
public void testSWSRTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read table with new exclusive coalesces to
// exclusive
@Test
public void testSRExTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_read table with new shared_write coalesces to
// shared_write
@Test
public void testSRSWTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read table with new shared_read coalesces to
// shared_read
@Test
public void testSRSRTable() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_READ, locks.get(0).getType());
}
// Test that 2 separate partitions don't coalesce.
@Test
public void testTwoSeparatePartitions() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("yourpart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(2, locks.size());
}
// Test that 2 exclusive partition locks coalesce to one
@Test
public void testExExPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
}
// Test that existing exclusive partition with new shared_write coalesces to
// exclusive
@Test
public void testExSWPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing exclusive partition with new shared_read coalesces to
// exclusive
@Test
public void testExSRPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write partition with new exclusive coalesces to
// exclusive
@Test
public void testSWExPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_write partition with new shared_write coalesces to
// shared_write
@Test
public void testSWSWPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_write partition with new shared_read coalesces to
// shared_write
@Test
public void testSWSRPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read partition with new exclusive coalesces to
// exclusive
@Test
public void testSRExPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.EXCLUSIVE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.EXCLUSIVE, locks.get(0).getType());
}
// Test that existing shared_read partition with new shared_write coalesces to
// shared_write
@Test
public void testSRSWPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_WRITE, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_WRITE, locks.get(0).getType());
}
// Test that existing shared_read partition with new shared_read coalesces to
// shared_read
@Test
public void testSRSRPart() {
LockRequestBuilder bldr = new LockRequestBuilder();
LockComponent comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp);
comp = new LockComponent(LockType.SHARED_READ, LockLevel.DB, "mydb");
comp.setTablename("mytable");
comp.setPartitionname("mypart");
bldr.addLockComponent(comp).setUser("fred");
LockRequest req = bldr.build();
List<LockComponent> locks = req.getComponent();
Assert.assertEquals(1, locks.size());
Assert.assertEquals(LockType.SHARED_READ, locks.get(0).getType());
}
}