/*
* 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.flume.serialization;
import com.google.common.base.Charsets;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.apache.flume.Context;
import org.apache.flume.event.EventBuilder;
import org.junit.Assert;
import org.junit.Test;
public class TestHeaderAndBodyTextEventSerializer {
File testFile = new File("src/test/resources/events.txt");
File expectedFile = new File("src/test/resources/events.txt");
@Test
public void testWithNewline() throws FileNotFoundException, IOException {
Map<String, String> headers = new HashMap<String, String>();
headers.put("header1", "value1");
headers.put("header2", "value2");
OutputStream out = new FileOutputStream(testFile);
EventSerializer serializer =
EventSerializerFactory.getInstance("header_and_text", new Context(), out);
serializer.afterCreate();
serializer.write(EventBuilder.withBody("event 1", Charsets.UTF_8, headers));
serializer.write(EventBuilder.withBody("event 2", Charsets.UTF_8, headers));
serializer.write(EventBuilder.withBody("event 3", Charsets.UTF_8, headers));
serializer.flush();
serializer.beforeClose();
out.flush();
out.close();
BufferedReader reader = new BufferedReader(new FileReader(testFile));
Assert.assertEquals("{header2=value2, header1=value1} event 1", reader.readLine());
Assert.assertEquals("{header2=value2, header1=value1} event 2", reader.readLine());
Assert.assertEquals("{header2=value2, header1=value1} event 3", reader.readLine());
Assert.assertNull(reader.readLine());
reader.close();
FileUtils.forceDelete(testFile);
}
@Test
public void testNoNewline() throws FileNotFoundException, IOException {
Map<String, String> headers = new HashMap<String, String>();
headers.put("header1", "value1");
headers.put("header2", "value2");
OutputStream out = new FileOutputStream(testFile);
Context context = new Context();
context.put("appendNewline", "false");
EventSerializer serializer =
EventSerializerFactory.getInstance("header_and_text", context, out);
serializer.afterCreate();
serializer.write(EventBuilder.withBody("event 1\n", Charsets.UTF_8, headers));
serializer.write(EventBuilder.withBody("event 2\n", Charsets.UTF_8, headers));
serializer.write(EventBuilder.withBody("event 3\n", Charsets.UTF_8, headers));
serializer.flush();
serializer.beforeClose();
out.flush();
out.close();
BufferedReader reader = new BufferedReader(new FileReader(testFile));
Assert.assertEquals("{header2=value2, header1=value1} event 1", reader.readLine());
Assert.assertEquals("{header2=value2, header1=value1} event 2", reader.readLine());
Assert.assertEquals("{header2=value2, header1=value1} event 3", reader.readLine());
Assert.assertNull(reader.readLine());
reader.close();
FileUtils.forceDelete(testFile);
}
}