| /* |
| * 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.iotdb.hive; |
| |
| import org.apache.hadoop.hive.serde.serdeConstants; |
| import org.apache.hadoop.hive.serde2.SerDeException; |
| import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector; |
| import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo; |
| import org.apache.hadoop.io.IntWritable; |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.MapWritable; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class TsFileSerDeTest { |
| |
| private TsFileSerDe tsFileSerDer; |
| private List<String> columnNames; |
| private List<TypeInfo> columnTypes; |
| private JobConf job; |
| private Properties tbl; |
| |
| @Before |
| public void setUp() { |
| tsFileSerDer = new TsFileSerDe(); |
| columnNames = Arrays.asList("time_stamp", "sensor_1"); |
| columnTypes = new ArrayList<>(); |
| PrimitiveTypeInfo typeInfo1 = new PrimitiveTypeInfo(); |
| typeInfo1.setTypeName("bigint"); |
| columnTypes.add(typeInfo1); |
| PrimitiveTypeInfo typeInfo2 = new PrimitiveTypeInfo(); |
| typeInfo2.setTypeName("bigint"); |
| columnTypes.add(typeInfo2); |
| tbl = new Properties(); |
| String delimiter = ","; |
| tbl.setProperty(serdeConstants.COLUMN_NAME_DELIMITER, delimiter); |
| tbl.setProperty(serdeConstants.LIST_COLUMNS, String.join(delimiter, columnNames)); |
| tbl.setProperty(serdeConstants.LIST_COLUMN_TYPES, "bigint,bigint"); |
| tbl.setProperty(TsFileSerDe.DEVICE_ID, "device_1"); |
| job = new JobConf(); |
| try { |
| tsFileSerDer.initialize(job, tbl); |
| } catch (SerDeException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @After |
| public void tearDown() { |
| columnNames = null; |
| columnTypes = null; |
| job = null; |
| tbl = null; |
| tsFileSerDer = null; |
| } |
| |
| @Test |
| public void testDeserialize() { |
| try { |
| tsFileSerDer.initialize(job, tbl); |
| } catch (SerDeException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| assertEquals( |
| PrimitiveObjectInspector.PrimitiveCategory.LONG, |
| ((PrimitiveTypeInfo) columnTypes.get(0)).getPrimitiveCategory()); |
| |
| Writable worryWritable1 = new Text(); |
| try { |
| tsFileSerDer.deserialize(worryWritable1); |
| fail("Expect a TsFileSerDeException to be thrown!"); |
| } catch (SerDeException e) { |
| assertEquals("Expecting a MapWritable", e.getMessage()); |
| } |
| |
| MapWritable worryWritable2 = new MapWritable(); |
| worryWritable2.put(new Text("device_id"), new Text("device_2")); |
| worryWritable2.put(new Text("time_stamp"), new LongWritable(1L)); |
| worryWritable2.put(new Text("sensor_1"), new LongWritable(1L)); |
| try { |
| assertNull(tsFileSerDer.deserialize(worryWritable2)); |
| } catch (SerDeException e) { |
| fail("Don't expect a TsFileSerDeException to be Thrown!"); |
| } |
| |
| MapWritable worryWritable3 = new MapWritable(); |
| worryWritable3.put(new Text("device_id"), new Text("device_1")); |
| worryWritable3.put(new Text("time_stamp"), new LongWritable(1L)); |
| worryWritable3.put(new Text("sensor_1"), new IntWritable(1)); |
| try { |
| tsFileSerDer.deserialize(worryWritable3); |
| fail("Expect a TsFileSerDeException to be thrown!"); |
| } catch (SerDeException e) { |
| assertEquals( |
| "Unexpected data type: " |
| + worryWritable3.get(new Text("sensor_1")).getClass().getName() |
| + " for Date TypeInfo: " |
| + PrimitiveObjectInspector.PrimitiveCategory.LONG, |
| e.getMessage()); |
| } |
| |
| MapWritable writable = new MapWritable(); |
| writable.put(new Text("device_id"), new Text("device_1")); |
| writable.put(new Text("time_stamp"), new LongWritable(1L)); |
| writable.put(new Text("sensor_1"), new LongWritable(1000000L)); |
| try { |
| Object result = tsFileSerDer.deserialize(writable); |
| assertTrue(result instanceof List); |
| List<Object> row = (List<Object>) result; |
| assertEquals(columnNames.size(), row.size()); |
| assertEquals(1L, row.get(0)); |
| assertEquals(1000000L, row.get(1)); |
| } catch (SerDeException e) { |
| fail("Don't expect a TsFileSerDeException to be Thrown!"); |
| } |
| } |
| } |