/**
* Licensed to Cloudera, Inc. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Cloudera, Inc. 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 com.cloudera.flume.handlers.hdfs;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.junit.Assert;
import org.junit.Test;
import com.cloudera.flume.core.Event.Priority;
import com.cloudera.flume.core.EventImpl;
import com.cloudera.util.Clock;
import com.cloudera.util.NetUtils;
/**
* Test to make sure Writeables serialize and deserialize to the same values.
*/
public class TestWriteableEvent {
@Test
public void testWritableReversible() throws IOException {
String s = "this is a test string";
WriteableEvent e = new WriteableEvent(new EventImpl(s.getBytes()));
ByteArrayOutputStream bas = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(bas);
e.write(out);
out.flush();
byte[] stuff = bas.toByteArray();
WriteableEvent e2 = WriteableEvent.createWriteableEvent(stuff);
Assert.assertEquals(e.getTimestamp(), e2.getTimestamp());
Assert.assertEquals(e.getPriority(), e2.getPriority());
Assert.assertTrue(Arrays.equals(e.getBody(), e2.getBody()));
}
/**
* Test the map serialization and deserialization.
*/
@Test
public void testWritableReversibleWithField() throws IOException {
String s = "this is a test string";
Map<String, byte[]> fields = new HashMap<String, byte[]>();
byte[] data = { 'd', 'a', 't', 'a' };
fields.put("test", data);
WriteableEvent e = new WriteableEvent(
new EventImpl(s.getBytes(), Clock.unixTime(), Priority.INFO, Clock
.nanos(), NetUtils.localhost(), fields));
ByteArrayOutputStream bas = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(bas);
e.write(out);
out.flush();
byte[] stuff = bas.toByteArray();
WriteableEvent e2 = WriteableEvent.createWriteableEvent(stuff);
Assert.assertEquals(e.getTimestamp(), e2.getTimestamp());
Assert.assertEquals(e.getPriority(), e2.getPriority());
Assert.assertTrue(Arrays.equals(e.getBody(), e2.getBody()));
byte[] data2 = e2.get("test");
Assert.assertTrue(Arrays.equals(data, data2));
}
/**
* Test the map serialization and deserialization.
*/
@Test
public void testWritableReversibleWithFields() throws IOException {
String s = "this is a test string";
Map<String, byte[]> fields = new HashMap<String, byte[]>();
byte[] data = { 'd', 'a', 't', 'a' };
fields.put("test", data);
String val = "more data, with longer value";
fields.put("moredata", val.getBytes());
WriteableEvent e = new WriteableEvent(
new EventImpl(s.getBytes(), Clock.unixTime(), Priority.INFO, Clock
.nanos(), NetUtils.localhost(), fields));
ByteArrayOutputStream bas = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(bas);
e.write(out);
out.flush();
byte[] stuff = bas.toByteArray();
WriteableEvent e2 = WriteableEvent.createWriteableEvent(stuff);
Assert.assertEquals(e.getTimestamp(), e2.getTimestamp());
Assert.assertEquals(e.getPriority(), e2.getPriority());
Assert.assertTrue(Arrays.equals(e.getBody(), e2.getBody()));
byte[] data2 = e2.get("test");
Assert.assertTrue(Arrays.equals(data, data2));
Assert.assertTrue(val.equals(new String(e2.get("moredata"))));
}
}