/*
* 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.hadoop.hive.accumulo;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
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.junit.Test;
/**
* Test basic operations on AccumuloHiveRow
*/
public class TestAccumuloHiveRow {
@Test
public void testHasFamilyAndQualifier() {
AccumuloHiveRow row = new AccumuloHiveRow("row1");
// Add some columns
for (int i = 1; i <= 5; i++) {
row.add("cf1", "cq" + i, Integer.toString(i).getBytes());
}
// Check that we don't find unexpected columns
assertFalse(row.hasFamAndQual(new Text(""), new Text("")));
assertFalse(row.hasFamAndQual(new Text("cf0"), new Text("cq1")));
assertFalse(row.hasFamAndQual(new Text("cf1"), new Text("cq0")));
// Check that we do find all expected columns
for (int i = 1; i <= 5; i++) {
assertTrue(row.hasFamAndQual(new Text("cf1"), new Text("cq" + i)));
}
}
@Test
public void testGetValueFromColumn() {
AccumuloHiveRow row = new AccumuloHiveRow("row1");
// Should return null when there is no column
assertNull(row.getValue(new Text(""), new Text("")));
for (int i = 1; i <= 5; i++) {
row.add("cf", "cq" + i, Integer.toString(i).getBytes());
}
assertNull(row.getValue(new Text("cf"), new Text("cq0")));
for (int i = 1; i <= 5; i++) {
assertArrayEquals(Integer.toString(i).getBytes(),
row.getValue(new Text("cf"), new Text("cq" + i)));
}
}
@Test
public void testWritableEmptyRow() throws IOException {
AccumuloHiveRow emptyRow = new AccumuloHiveRow();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(baos);
emptyRow.write(out);
out.close();
AccumuloHiveRow emptyCopy = new AccumuloHiveRow();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
DataInputStream in = new DataInputStream(bais);
emptyCopy.readFields(in);
assertEquals(emptyRow, emptyCopy);
}
@Test
public void testWritableWithColumns() throws IOException {
AccumuloHiveRow rowWithColumns = new AccumuloHiveRow("row");
rowWithColumns.add("cf", "cq1", "1".getBytes());
rowWithColumns.add("cf", "cq2", "2".getBytes());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(baos);
rowWithColumns.write(out);
out.close();
AccumuloHiveRow copy = new AccumuloHiveRow();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
DataInputStream in = new DataInputStream(bais);
copy.readFields(in);
assertEquals(rowWithColumns, copy);
}
}