com.willetinc.hadoop.mapreduce.dynamodb.AttributeValueIOUtilsTest.java Source code

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Here is the source code for com.willetinc.hadoop.mapreduce.dynamodb.AttributeValueIOUtilsTest.java

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/**
 * Copyright 2012 Willet Inc.
 * 
 * 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.willetinc.hadoop.mapreduce.dynamodb;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertNull;

import java.nio.ByteBuffer;

import org.apache.commons.codec.binary.Base64;
import org.junit.Test;

import com.amazonaws.services.dynamodb.model.AttributeValue;
import com.willetinc.hadoop.mapreduce.dynamodb.AttributeValueIOUtils;
import com.willetinc.hadoop.mapreduce.dynamodb.Types;

public class AttributeValueIOUtilsTest {

    @Test
    public void testToStringS() {
        final String VALUE = "test";
        AttributeValue attr = new AttributeValue().withS(VALUE);
        String result = AttributeValueIOUtils.toString(Types.STRING, attr);
        assertEquals(VALUE, result);
    }

    @Test
    public void testToStringN() {
        final String VALUE = "1234567890";
        AttributeValue attr = new AttributeValue().withN(VALUE);
        String result = AttributeValueIOUtils.toString(Types.NUMBER, attr);
        assertEquals(VALUE, result);
    }

    @Test
    public void testToStringB() {
        final byte[] BYTES = new byte[] { 0xD, 0xE, 0xA, 0xD, 0xB, 0xE, 0xE, 0xF };
        final String ENCODED_VALUE = Base64.encodeBase64String(BYTES);

        ByteBuffer buf = ByteBuffer.wrap(BYTES);
        AttributeValue attr = new AttributeValue().withB(buf);
        String result = AttributeValueIOUtils.toString(Types.BINARY, attr);
        assertEquals(ENCODED_VALUE, result);
    }

    @Test
    public void testToStringNull() {
        assertNull(AttributeValueIOUtils.toString(Types.STRING, null));
    }

    @Test
    public void testValueOfS() {
        final String VALUE = "test";
        AttributeValue attr = AttributeValueIOUtils.valueOf(Types.STRING, VALUE);
        assertEquals(VALUE, attr.getS());
    }

    @Test
    public void testValueOfN() {
        final String VALUE = "1234567890";
        AttributeValue attr = AttributeValueIOUtils.valueOf(Types.NUMBER, VALUE);
        assertEquals(VALUE, attr.getN());
    }

    @Test
    public void testValueOfB() {
        final byte[] BYTES = new byte[] { 0xD, 0xE, 0xA, 0xD, 0xB, 0xE, 0xE, 0xF };
        final String ENCODED_VALUE = Base64.encodeBase64String(BYTES);
        AttributeValue attr = AttributeValueIOUtils.valueOf(Types.BINARY, ENCODED_VALUE);
        assertArrayEquals(BYTES, attr.getB().array());
    }

    @Test
    public void testValueOfNull() {
        assertNull(AttributeValueIOUtils.valueOf(Types.BINARY, null));
    }

}