/*
* Copyright 2010 The Apache Software Foundation
*
* 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.hbase.rest;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.rest.client.Client;
import org.apache.hadoop.hbase.rest.client.Cluster;
import org.apache.hadoop.hbase.rest.client.Response;
import org.apache.hadoop.hbase.util.Bytes;
import static org.junit.Assert.*;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestTransform {
private static final String TABLE = "TestTransform";
private static final String CFA = "a";
private static final String CFB = "b";
private static final String COLUMN_1 = CFA + ":1";
private static final String COLUMN_2 = CFB + ":2";
private static final String ROW_1 = "testrow1";
private static final byte[] VALUE_1 = Bytes.toBytes("testvalue1");
private static final byte[] VALUE_2 = Bytes.toBytes("testvalue2");
private static final byte[] VALUE_2_BASE64 = Bytes.toBytes("dGVzdHZhbHVlMg==");
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
private static final HBaseRESTTestingUtility REST_TEST_UTIL =
new HBaseRESTTestingUtility();
private static Client client;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TEST_UTIL.startMiniCluster();
REST_TEST_UTIL.startServletContainer(TEST_UTIL.getConfiguration());
client = new Client(new Cluster().add("localhost",
REST_TEST_UTIL.getServletPort()));
HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
if (admin.tableExists(TABLE)) {
return;
}
HTableDescriptor htd = new HTableDescriptor(TABLE);
htd.addFamily(new HColumnDescriptor(CFA));
HColumnDescriptor cfB = new HColumnDescriptor(CFB);
cfB.setValue("Transform$1", "*:Base64");
htd.addFamily(cfB);
admin.createTable(htd);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
REST_TEST_UTIL.shutdownServletContainer();
TEST_UTIL.shutdownMiniCluster();
}
@Test
public void testTransform() throws Exception {
String path1 = "/" + TABLE + "/" + ROW_1 + "/" + COLUMN_1;
String path2 = "/" + TABLE + "/" + ROW_1 + "/" + COLUMN_2;
// store value 1
Response response = client.put(path1, Constants.MIMETYPE_BINARY, VALUE_1);
assertEquals(response.getCode(), 200);
// store value 2 (stargate should transform into base64)
response = client.put(path2, Constants.MIMETYPE_BINARY, VALUE_2);
assertEquals(response.getCode(), 200);
// get the table contents directly
HTable table = new HTable(TEST_UTIL.getConfiguration(), TABLE);
Get get = new Get(Bytes.toBytes(ROW_1));
get.addFamily(Bytes.toBytes(CFA));
get.addFamily(Bytes.toBytes(CFB));
Result result = table.get(get);
// value 1 should not be transformed
byte[] value = result.getValue(Bytes.toBytes(CFA), Bytes.toBytes("1"));
assertNotNull(value);
assertTrue(Bytes.equals(value, VALUE_1));
// value 2 should have been base64 encoded
value = result.getValue(Bytes.toBytes(CFB), Bytes.toBytes("2"));
assertNotNull(value);
assertTrue(Bytes.equals(value, VALUE_2_BASE64));
table.close();
// stargate should decode the transformed value back to original bytes
response = client.get(path2, Constants.MIMETYPE_BINARY);
assertEquals(response.getCode(), 200);
value = response.getBody();
assertTrue(Bytes.equals(value, VALUE_2));
}
}