/**
* 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.ql.lockmgr;
import junit.framework.Assert;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockObject.HiveLockObjectData;
import org.junit.Test;
public class TestHiveLockObject {
private HiveConf conf = new HiveConf();
@Test
public void testEqualsAndHashCode() {
HiveLockObjectData data1 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"select * from mytable", conf);
HiveLockObjectData data2 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"select * from mytable", conf);
Assert.assertEquals(data1, data2);
Assert.assertEquals(data1.hashCode(), data2.hashCode());
HiveLockObject obj1 = new HiveLockObject("mytable", data1);
HiveLockObject obj2 = new HiveLockObject("mytable", data2);
Assert.assertEquals(obj1, obj2);
Assert.assertEquals(obj1.hashCode(), obj2.hashCode());
}
@Test
public void testTruncate() {
conf.setIntVar(HiveConf.ConfVars.HIVE_LOCK_QUERY_STRING_MAX_LENGTH, 1000000);
HiveLockObjectData data0 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"01234567890", conf);
Assert.assertEquals("With default settings query string should not be truncated",
data0.getQueryStr().length(), 11);
conf.setIntVar(HiveConf.ConfVars.HIVE_LOCK_QUERY_STRING_MAX_LENGTH, 10);
HiveLockObjectData data1 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"01234567890", conf);
HiveLockObjectData data2 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"0123456789", conf);
HiveLockObjectData data3 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
"012345678", conf);
HiveLockObjectData data4 = new HiveLockObjectData("ID1", "SHARED", "1997-07-01",
null, conf);
Assert.assertEquals("Long string truncation failed", data1.getQueryStr().length(), 10);
Assert.assertEquals("String truncation failed", data2.getQueryStr().length(), 10);
Assert.assertEquals("Short string should not be truncated", data3.getQueryStr().length(), 9);
Assert.assertNull("Null query string handling failed", data4.getQueryStr());
}
}