/*
* Copyright 2013 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.hadoop.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;
/**
* @author Mark Fisher
* @author Thomas Risberg
*/
public class HdfsOutboundChannelAdapterIntegrationTests {
@Test
public void testWritesWithRollover() throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"org/springframework/xd/integration/hadoop/config/HdfsOutboundChannelAdapterIntegrationTests.xml");
MessageChannel channel = context.getBean("hdfsOut", MessageChannel.class);
channel.send(MessageBuilder.withPayload("foo").build());
channel.send(MessageBuilder.withPayload("bar").build());
FileSystem fileSystem = context.getBean("hadoopFs", FileSystem.class);
String path = context.getBean("path", String.class);
context.close();
Path basepath = new Path(path + "/testdir/");
Path filepath0 = new Path(basepath, "testfile-0");
Path filepath1 = new Path(basepath, "testfile-1");
assertTrue(fileSystem.exists(basepath));
assertTrue(fileSystem.exists(filepath0));
assertTrue(fileSystem.exists(filepath1));
BufferedReader reader0 = new BufferedReader(new InputStreamReader(fileSystem.open(filepath0)));
assertEquals("foo", reader0.readLine());
BufferedReader reader1 = new BufferedReader(new InputStreamReader(fileSystem.open(filepath1)));
assertEquals("bar", reader1.readLine());
reader0.close();
reader1.close();
assertTrue(fileSystem.delete(basepath, true));
}
@Test
public void testWritesWithPartition() throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"org/springframework/xd/integration/hadoop/config/HdfsOutboundChannelAdapterIntegrationPartitionTests.xml");
MessageChannel channel = context.getBean("hdfsOut", MessageChannel.class);
FileSystem fileSystem = context.getBean("hadoopFs", FileSystem.class);
String path = context.getBean("path", String.class);
String YYYYMM = new SimpleDateFormat("yyyy/MM").format(new Date());
Path basepath = new Path(path + "/testdir2/");
Path filepath0 = new Path(basepath, YYYYMM + "/0_hash/foos_list/testfile-0");
Path filepath1 = new Path(basepath, YYYYMM + "/0_hash/bars_list/testfile-0");
fileSystem.delete(basepath, true);
channel.send(MessageBuilder.withPayload("foo").build());
channel.send(MessageBuilder.withPayload("bar").build());
context.close();
assertTrue(fileSystem.exists(basepath));
assertTrue(fileSystem.exists(filepath0));
assertTrue(fileSystem.exists(filepath1));
BufferedReader reader0 = new BufferedReader(new InputStreamReader(fileSystem.open(filepath0)));
assertEquals("foo", reader0.readLine());
BufferedReader reader1 = new BufferedReader(new InputStreamReader(fileSystem.open(filepath1)));
assertEquals("bar", reader1.readLine());
reader0.close();
reader1.close();
assertTrue(fileSystem.delete(basepath, true));
}
}