/**
* 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.endtoend;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.junit.Test;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.core.Event;
import com.cloudera.flume.core.EventImpl;
import com.cloudera.flume.core.EventSink;
import com.cloudera.flume.handlers.debug.ConsoleEventSink;
import com.cloudera.flume.handlers.debug.MemorySinkSource;
/**
* This just verifies that events have been reordered
*/
public class TestReorderDecorator {
// first version for me to see the order
@Test
public void testReorderDecorator() throws IOException, InterruptedException {
ReorderDecorator<EventSink> reorder =
new ReorderDecorator<EventSink>(new ConsoleEventSink(), .5, .5, 0);
reorder.open();
for (int i = 0; i < 10; i++) {
Event e = new EventImpl(new byte[0]);
e.set("order", ByteBuffer.allocate(4).putInt(i).array());
reorder.append(e);
}
System.out.println("closing");
reorder.close();
}
// this version checks to make sure it remains the same.
@Test
public void testReorderDecoratorCheck() throws IOException,
InterruptedException {
MemorySinkSource mss = new MemorySinkSource();
ReorderDecorator<EventSink> reorder =
new ReorderDecorator<EventSink>(mss, .5, .5, 0);
reorder.open();
for (int i = 0; i < 10; i++) {
Event e = new EventImpl(new byte[0]);
e.set("order", ByteBuffer.allocate(4).putInt(i).array());
reorder.append(e);
}
System.out.println("closing");
reorder.close();
int[] order = { 0, 2, 1, 4, 3, 5, 7, 6, 8, 9 };
for (int i = 0; i < order.length; i++) {
Event e = mss.next();
int j = ByteBuffer.wrap(e.get("order")).asIntBuffer().get();
assertEquals(j, order[i]);
}
}
@Test
public void testBuilder() {
ReorderDecorator.builder().build(new Context(), "0.0", "0.0");
}
@Test(expected = IllegalArgumentException.class)
public void testBadBuilder1() {
ReorderDecorator.builder().build(new Context(), "-1.0", "0.0");
}
@Test(expected = IllegalArgumentException.class)
public void testBadBuilder2() {
ReorderDecorator.builder().build(new Context(), "2.0", "0.0");
}
@Test(expected = IllegalArgumentException.class)
public void testBadBuilder3() {
ReorderDecorator.builder().build(new Context(), "0.0", "-1.0");
}
@Test(expected = IllegalArgumentException.class)
public void testBadBuilder4() {
ReorderDecorator.builder().build(new Context(), "0.0", "2.0");
}
}