| /* |
| * 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.druid.data.input; |
| |
| import com.fasterxml.jackson.databind.Module; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.avro.file.DataFileReader; |
| import org.apache.avro.file.DataFileWriter; |
| import org.apache.avro.file.FileReader; |
| import org.apache.avro.generic.GenericDatumReader; |
| import org.apache.avro.generic.GenericRecord; |
| import org.apache.avro.specific.SpecificDatumWriter; |
| import org.apache.druid.data.input.avro.AvroExtensionsModule; |
| import org.apache.druid.java.util.common.FileUtils; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| |
| public class AvroHadoopInputRowParserTest |
| { |
| private final ObjectMapper jsonMapper = new ObjectMapper(); |
| |
| @Before |
| public void setUp() |
| { |
| for (Module jacksonModule : new AvroExtensionsModule().getJacksonModules()) { |
| jsonMapper.registerModule(jacksonModule); |
| } |
| } |
| |
| @Test |
| public void testSerde() throws IOException |
| { |
| AvroHadoopInputRowParser parser = new AvroHadoopInputRowParser(AvroStreamInputRowParserTest.PARSE_SPEC, false, false, false); |
| AvroHadoopInputRowParser parser2 = jsonMapper.readValue( |
| jsonMapper.writeValueAsBytes(parser), |
| AvroHadoopInputRowParser.class |
| ); |
| Assert.assertEquals(parser, parser2); |
| } |
| |
| @Test |
| public void testSerdeNonDefaults() throws IOException |
| { |
| AvroHadoopInputRowParser parser = new AvroHadoopInputRowParser(AvroStreamInputRowParserTest.PARSE_SPEC, true, true, true); |
| AvroHadoopInputRowParser parser2 = jsonMapper.readValue( |
| jsonMapper.writeValueAsBytes(parser), |
| AvroHadoopInputRowParser.class |
| ); |
| Assert.assertEquals(parser, parser2); |
| } |
| |
| @Test |
| public void testParseNotFromPigAvroStorage() throws IOException |
| { |
| testParse(AvroStreamInputRowParserTest.buildSomeAvroDatum(), false); |
| } |
| |
| @Test |
| public void testParseFromPigAvroStorage() throws IOException |
| { |
| testParse(buildAvroFromFile(), true); |
| } |
| |
| private void testParse(GenericRecord record, boolean fromPigAvroStorage) throws IOException |
| { |
| AvroHadoopInputRowParser parser = new AvroHadoopInputRowParser(AvroStreamInputRowParserTest.PARSE_SPEC, fromPigAvroStorage, false, false); |
| AvroHadoopInputRowParser parser2 = jsonMapper.readValue( |
| jsonMapper.writeValueAsBytes(parser), |
| AvroHadoopInputRowParser.class |
| ); |
| Assert.assertEquals(parser, parser2); |
| InputRow inputRow = parser2.parseBatch(record).get(0); |
| AvroStreamInputRowParserTest.assertInputRowCorrect(inputRow, AvroStreamInputRowParserTest.DIMENSIONS, fromPigAvroStorage); |
| } |
| |
| private static GenericRecord buildAvroFromFile() throws IOException |
| { |
| return buildAvroFromFile( |
| AvroStreamInputRowParserTest.buildSomeAvroDatum() |
| ); |
| } |
| |
| private static GenericRecord buildAvroFromFile(GenericRecord datum) |
| throws IOException |
| { |
| // 0. write avro object into temp file. |
| final File someAvroDatumFile = createAvroFile(datum); |
| |
| final GenericRecord record; |
| // 3. read avro object from AvroStorage |
| try (FileReader<GenericRecord> reader = DataFileReader.openReader( |
| someAvroDatumFile, |
| new GenericDatumReader<>() |
| )) { |
| record = reader.next(); |
| } |
| |
| return record; |
| } |
| |
| public static File createAvroFile(GenericRecord datum) |
| throws IOException |
| { |
| final File tmpDir = FileUtils.createTempDir(); |
| File someAvroDatumFile = new File(tmpDir, "someAvroDatum.avro"); |
| try (DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<>( |
| new SpecificDatumWriter<>() |
| )) { |
| dataFileWriter.create(SomeAvroDatum.getClassSchema(), someAvroDatumFile); |
| dataFileWriter.append(datum); |
| } |
| return someAvroDatumFile; |
| } |
| } |