gobblin.compat.TextSerializerTest.java Source code

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Here is the source code for gobblin.compat.TextSerializerTest.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.compat;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import org.apache.hadoop.io.Text;
import org.testng.Assert;
import org.testng.annotations.Test;

import com.google.common.base.Strings;

import gobblin.compat.hadoop.TextSerializer;

public class TextSerializerTest {
    private static final String[] textsToSerialize = new String[] { "abracadabra",
            Strings.repeat("longString", 128000) };

    @Test
    public void testSerialize() throws IOException {

        // Use our serializer, verify Hadoop deserializer can read it back
        for (String textToSerialize : textsToSerialize) {
            ByteArrayOutputStream bOs = new ByteArrayOutputStream();
            DataOutputStream dataOutputStream = new DataOutputStream(bOs);

            TextSerializer.writeStringAsText(dataOutputStream, textToSerialize);
            dataOutputStream.close();

            ByteArrayInputStream bIn = new ByteArrayInputStream(bOs.toByteArray());
            DataInputStream dataInputStream = new DataInputStream(bIn);

            Text hadoopText = new Text();
            hadoopText.readFields(dataInputStream);

            Assert.assertEquals(hadoopText.toString(), textToSerialize);
        }
    }

    @Test
    public void testDeserialize() throws IOException {
        // Use Hadoop's serializer, verify our deserializer can read the string back
        for (String textToSerialize : textsToSerialize) {
            ByteArrayOutputStream bOs = new ByteArrayOutputStream();
            DataOutputStream dataOutputStream = new DataOutputStream(bOs);

            Text hadoopText = new Text();
            hadoopText.set(textToSerialize);
            hadoopText.write(dataOutputStream);
            dataOutputStream.close();

            ByteArrayInputStream bIn = new ByteArrayInputStream(bOs.toByteArray());
            DataInputStream dataInputStream = new DataInputStream(bIn);

            String deserializedString = TextSerializer.readTextAsString(dataInputStream);

            Assert.assertEquals(deserializedString, textToSerialize);
        }
    }
}