gobblin.converter.avro.AvroToBytesConverterTest.java Source code

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Here is the source code for gobblin.converter.avro.AvroToBytesConverterTest.java

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/*
 * 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 gobblin.converter.avro;

import java.io.IOException;
import java.util.Iterator;

import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
import org.apache.avro.generic.GenericRecord;
import org.apache.commons.io.IOUtils;
import org.testng.Assert;
import org.testng.annotations.Test;

import gobblin.configuration.WorkUnitState;
import gobblin.converter.DataConversionException;
import gobblin.converter.SchemaConversionException;

public class AvroToBytesConverterTest {
    @Test
    public void testSerialization() throws DataConversionException, IOException, SchemaConversionException {
        Schema inputSchema = new Schema.Parser().parse(
                getClass().getClassLoader().getResourceAsStream("converter/bytes_to_avro/test_record_schema.avsc"));

        AvroToBytesConverter converter = new AvroToBytesConverter();
        WorkUnitState state = new WorkUnitState();
        converter.init(state);
        String outputSchema = converter.convertSchema(inputSchema, state);

        // Write a record twice to make sure nothing goes wrong with caching
        for (int i = 0; i < 2; i++) {
            GenericRecord testRecord = new GenericData.Record(inputSchema);
            testRecord.put("testStr", "testing12" + ((i == 0) ? "3" : "4"));
            testRecord.put("testInt", -2);

            Iterator<byte[]> records = converter.convertRecord(outputSchema, testRecord, state).iterator();
            byte[] record = records.next();

            Assert.assertFalse(records.hasNext());
            byte[] expectedRecord = IOUtils.toByteArray(getClass().getClassLoader()
                    .getResourceAsStream("converter/bytes_to_avro/test_record_binary.avro"));

            // the serialized record was serialized with testing123 as the string; if we write testing124 out
            // contents should be the same except for the 10th byte which will be '4' instead of '3'
            if (i == 1) {
                expectedRecord[10] = 52;
            }

            Assert.assertEquals(outputSchema, inputSchema.toString());
            Assert.assertEquals(record, expectedRecord);
        }
    }
}