/*
* 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.nifi.processors.beats.handler;
import java.io.IOException;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.apache.nifi.logging.ComponentLog;
import org.apache.nifi.processor.util.listen.dispatcher.AsyncChannelDispatcher;
import org.apache.nifi.processor.util.listen.event.EventFactory;
import org.apache.nifi.processor.util.listen.response.ChannelResponder;
import org.apache.nifi.processor.util.listen.response.ChannelResponse;
import org.apache.nifi.processors.beats.event.BeatsEvent;
import org.apache.nifi.processors.beats.event.BeatsEventFactory;
import org.apache.nifi.processors.beats.frame.BeatsEncoder;
import org.apache.nifi.processors.beats.frame.BeatsFrame;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
public class TestBeatsFrameHandler {
private Charset charset;
private EventFactory<BeatsEvent> eventFactory;
private BlockingQueue<BeatsEvent> events;
private SelectionKey key;
private AsyncChannelDispatcher dispatcher;
private BeatsEncoder encoder;
private ComponentLog logger;
private BeatsFrameHandler<BeatsEvent> frameHandler;
@Before
public void setup() {
this.charset = StandardCharsets.UTF_8;
this.eventFactory = new BeatsEventFactory();
this.events = new LinkedBlockingQueue<>();
this.key = Mockito.mock(SelectionKey.class);
this.dispatcher = Mockito.mock(AsyncChannelDispatcher.class);
this.logger = Mockito.mock(ComponentLog.class);
this.frameHandler = new BeatsFrameHandler<>(key, charset, eventFactory, events, dispatcher, logger);
}
@Test
public void testWindow() throws IOException, InterruptedException {
final BeatsFrame openFrame = new BeatsFrame.Builder()
.version((byte) 0x31)
.frameType((byte) 0x57)
.seqNumber(-1)
.payload(Integer.toString(1).getBytes())
.build();
final String sender = "sender1";
final CapturingChannelResponder responder = new CapturingChannelResponder();
// call the handler and verify respond() was called once with once response
frameHandler.handle(openFrame, responder, sender);
// No response expected
Assert.assertEquals(0, responder.responded);
}
@Test
public void testJson() throws IOException, InterruptedException {
final byte jsonPayload[] = new byte[]{
// Payload eq { "message": "test-content", "field": "value"}
0x7b, 0x22, 0x6d, 0x65,
0x73, 0x73, 0x61, 0x67,
0x65, 0x22, 0x3a, 0x20,
0x22, 0x74, 0x65, 0x73,
0x74, 0x2d, 0x63, 0x6f,
0x6e, 0x74, 0x65, 0x6e,
0x74, 0x22, 0x2c, 0x20,
0x22, 0x66, 0x69, 0x65,
0x6c, 0x64, 0x22, 0x3a,
0x20, 0x22, 0x76, 0x61,
0x6c, 0x75, 0x65, 0x22,
0x7d
};
final BeatsFrame jsonFrame = new BeatsFrame.Builder()
.version((byte) 0x32)
.frameType((byte) 0x4a)
.seqNumber(1)
.dataSize(45)
.payload(jsonPayload)
.build();
final String sender = "sender1";
final CapturingChannelResponder responder = new CapturingChannelResponder();
// call the handler and verify respond() was called once with once response
frameHandler.handle(jsonFrame, responder, sender);
// No response expected
Assert.assertEquals(0, responder.responded);
// But events should contain one event
Assert.assertEquals(1, events.size());
final BeatsEvent event = events.poll();
Assert.assertEquals("{\"message\": \"test-content\", \"field\": \"value\"}", new String(event.getData(), charset));
}
private static class CapturingChannelResponder implements ChannelResponder<SocketChannel> {
int responded;
List<ChannelResponse> responses = new ArrayList<>();
@Override
public SocketChannel getChannel() {
return Mockito.mock(SocketChannel.class);
}
@Override
public List<ChannelResponse> getResponses() {
return responses;
}
@Override
public void addResponse(ChannelResponse response) {
responses.add(response);
}
@Override
public void respond() throws IOException {
responded++;
}
}
}