TestHiveWriterFactory.java
/*
* 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 org.testng.annotations.Test;
import java.util.OptionalInt;
import static com.facebook.presto.hive.HiveWriterFactory.computeBucketedFileName;
import static com.facebook.presto.hive.HiveWriterFactory.getBucketNumber;
import static org.apache.hadoop.hive.ql.exec.Utilities.getBucketIdFromFile;
import static org.testng.Assert.assertEquals;
public class TestHiveWriterFactory
{
@Test
public void testComputeBucketedFileName()
{
String name = computeBucketedFileName("20180102_030405_00641_x1y2z", 1234);
assertEquals(name, "001234_0_20180102_030405_00641_x1y2z");
assertEquals(getBucketIdFromFile(name), 1234);
}
@Test
public void testGetBucketNumber()
{
assertEquals(getBucketNumber("0234_0"), OptionalInt.of(234));
assertEquals(getBucketNumber("000234_0"), OptionalInt.of(234));
assertEquals(getBucketNumber("0234_99"), OptionalInt.of(234));
assertEquals(getBucketNumber("0234_0.txt"), OptionalInt.of(234));
assertEquals(getBucketNumber("0234_0_copy_1"), OptionalInt.of(234));
assertEquals(getBucketNumber("20190526_072952_00009_fn7s5_bucket-00234"), OptionalInt.of(234));
assertEquals(getBucketNumber("20190526_072952_00009_fn7s5_bucket-00234.txt"), OptionalInt.of(234));
assertEquals(getBucketNumber("20190526_235847_87654_fn7s5_bucket-56789"), OptionalInt.of(56789));
assertEquals(getBucketNumber("234_99"), OptionalInt.empty());
assertEquals(getBucketNumber("0234.txt"), OptionalInt.empty());
assertEquals(getBucketNumber("0234.txt"), OptionalInt.empty());
}
}