/*
* Copyright 2014 the original author or authors.
*
* 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 org.springframework.xd.integration.test;
import static org.junit.Assert.assertEquals;
import java.util.UUID;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.xd.test.fixtures.HdfsJdbcJob;
import org.springframework.xd.test.fixtures.JdbcSink;
/**
* Asserts that this job will read the specified file from hdfs and place the results into the database.
*
* @author Glenn Renfro
*/
public class HdfsJdbcTest extends AbstractJobTest {
private final static String DEFAULT_FILE_NAME = "hdfsjdbctest";
private JdbcSink jdbcSink;
private String tableName;
/**
* Removes the table created from a previous test.
*/
@Before
public void initialize() {
jdbcSink = sinks.jdbc();
tableName = HdfsJdbcJob.DEFAULT_TABLE_NAME;
jdbcSink.tableName(tableName);
cleanup();
jdbcSink.getJdbcTemplate().getDataSource();
}
/**
* Asserts that hdfsJdbcJob has written the test data from a file on hdfs to the table.
*
*/
@Test
public void testHdfsJdbcJob() {
String data = UUID.randomUUID().toString();
HdfsJdbcJob job = jobs.hdfsJdbcJob();
job.fileName(HdfsJdbcJob.DEFAULT_FILE_NAME + "-0.txt");
// Create a stream that writes to a hdfs file. This file will be used by the job.
stream("dataSender", sources.http() + XD_DELIMITER + sinks.hdfs()
.directoryName(HdfsJdbcJob.DEFAULT_DIRECTORY).fileName(DEFAULT_FILE_NAME).toDSL());
sources.http(getContainerHostForSource("dataSender")).postData(data);
job(job.toDSL());
waitForXD();
//Undeploy the dataSender stream to force XD to close the file.
undeployStream("dataSender");
waitForXD();
jobLaunch();
waitForXD();
String query = String.format("SELECT data FROM %s", tableName);
assertEquals(data,
jdbcSink.getJdbcTemplate().queryForObject(query, String.class));
}
/**
* Being a good steward, remove the result table from the DB and source file from hdfs.
*/
@After
public void cleanup() {
if (jdbcSink != null) {
jdbcSink.dropTable(tableName);
}
if (hadoopUtil.fileExists(HdfsJdbcJob.DEFAULT_DIRECTORY)) {
hadoopUtil.fileRemove(HdfsJdbcJob.DEFAULT_DIRECTORY);
}
}
}