| /* |
| * 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.standard.relp.handler; |
| |
| 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.standard.relp.event.RELPEvent; |
| import org.apache.nifi.processors.standard.relp.event.RELPEventFactory; |
| import org.apache.nifi.processors.standard.relp.frame.RELPFrame; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| 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; |
| |
| public class TestRELPFrameHandler { |
| |
| private Charset charset; |
| private EventFactory<RELPEvent> eventFactory; |
| private BlockingQueue<RELPEvent> events; |
| private SelectionKey key; |
| private AsyncChannelDispatcher dispatcher; |
| private ComponentLog logger; |
| |
| private RELPFrameHandler<RELPEvent> frameHandler; |
| |
| @Before |
| public void setup() { |
| this.charset = StandardCharsets.UTF_8; |
| this.eventFactory = new RELPEventFactory(); |
| 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 RELPFrameHandler<>(key, charset, eventFactory, events, dispatcher, logger); |
| } |
| |
| @Test |
| public void testOpen() throws IOException, InterruptedException { |
| final String offer1 = "relp_version=0"; |
| final String offer2 = "relp_software=librelp,1.2.7,http://librelp.adiscon.com"; |
| final String offer3 = "commands=syslog"; |
| |
| final String data = offer1 + "\n" + offer2 + "\n" + offer3; |
| |
| final RELPFrame openFrame = new RELPFrame.Builder() |
| .txnr(1).command("open") |
| .dataLength(data.length()) |
| .data(data.getBytes(charset)) |
| .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); |
| Assert.assertEquals(1, responder.responded); |
| Assert.assertEquals(1, responder.responses.size()); |
| |
| // verify the response sent back the offers that were received |
| final ChannelResponse response = responder.responses.get(0); |
| final String responseData = new String(response.toByteArray(), charset); |
| Assert.assertTrue(responseData.contains(offer1)); |
| Assert.assertTrue(responseData.contains(offer2)); |
| Assert.assertTrue(responseData.contains(offer3)); |
| } |
| |
| @Test |
| public void testClose() throws IOException, InterruptedException { |
| final RELPFrame openFrame = new RELPFrame.Builder() |
| .txnr(1).command("close") |
| .dataLength(0) |
| .data(new byte[0]) |
| .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); |
| Assert.assertEquals(1, responder.responded); |
| Assert.assertEquals(1, responder.responses.size()); |
| |
| // verify the response sent back the offers that were received |
| final ChannelResponse response = responder.responses.get(0); |
| final String responseData = new String(response.toByteArray(), charset); |
| Assert.assertTrue(responseData.contains("200 OK")); |
| } |
| |
| @Test |
| public void testCommand() throws IOException, InterruptedException { |
| final String data = "this is a syslog message"; |
| |
| final RELPFrame openFrame = new RELPFrame.Builder() |
| .txnr(1).command("syslog") |
| .dataLength(data.length()) |
| .data(data.getBytes(charset)) |
| .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); |
| Assert.assertEquals(0, responder.responded); |
| Assert.assertEquals(0, responder.responses.size()); |
| Assert.assertEquals(1, events.size()); |
| |
| final RELPEvent event = events.poll(); |
| Assert.assertEquals(data, 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++; |
| } |
| } |
| |
| } |