| /* |
| * 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.minifi.bootstrap.configuration.ingestors.common; |
| |
| import org.apache.nifi.minifi.bootstrap.configuration.ConfigurationChangeListener; |
| import org.apache.nifi.minifi.bootstrap.configuration.ConfigurationChangeNotifier; |
| import org.apache.nifi.minifi.bootstrap.configuration.ListenerHandleResult; |
| import org.apache.nifi.minifi.bootstrap.configuration.differentiators.interfaces.Differentiator; |
| import org.apache.nifi.minifi.bootstrap.configuration.ingestors.PullHttpChangeIngestor; |
| import org.eclipse.jetty.server.Request; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.handler.AbstractHandler; |
| import org.eclipse.jetty.server.handler.HandlerCollection; |
| import org.eclipse.jetty.util.thread.QueuedThreadPool; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Collections; |
| import java.util.Properties; |
| |
| import static org.apache.nifi.minifi.bootstrap.configuration.ingestors.PullHttpChangeIngestor.PATH_KEY; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| public abstract class PullHttpChangeIngestorCommonTest { |
| |
| public static volatile Server jetty; |
| public static volatile int port; |
| public static volatile PullHttpChangeIngestor pullHttpChangeIngestor; |
| public static ConfigurationChangeNotifier testNotifier = Mockito.mock(ConfigurationChangeNotifier.class); |
| public static Differentiator<ByteBuffer> mockDifferentiator = Mockito.mock(Differentiator.class); |
| public static final String RESPONSE_STRING = "test"; |
| public static final String PATH_RESPONSE_STRING = "path"; |
| public static ByteBuffer configBuffer= ByteBuffer.wrap(RESPONSE_STRING.getBytes()); |
| public static ByteBuffer pathConfigBuffer= ByteBuffer.wrap(PATH_RESPONSE_STRING.getBytes()); |
| public static final String ETAG = "testEtag"; |
| public static final String QUOTED_ETAG = "\"testEtag\""; |
| |
| public static void init() { |
| QueuedThreadPool queuedThreadPool = new QueuedThreadPool(); |
| queuedThreadPool.setDaemon(true); |
| jetty = new Server(queuedThreadPool); |
| |
| HandlerCollection handlerCollection = new HandlerCollection(true); |
| handlerCollection.addHandler(new JettyHandler(RESPONSE_STRING, PATH_RESPONSE_STRING)); |
| jetty.setHandler(handlerCollection); |
| } |
| |
| public abstract void pullHttpChangeIngestorInit(Properties properties); |
| |
| @Before |
| public void before() { |
| Mockito.reset(testNotifier); |
| ConfigurationChangeListener testListener = Mockito.mock(ConfigurationChangeListener.class); |
| when(testListener.getDescriptor()).thenReturn("MockChangeListener"); |
| Mockito.when(testNotifier.notifyListeners(Mockito.any())).thenReturn(Collections.singleton(new ListenerHandleResult(testListener))); |
| } |
| |
| @AfterClass |
| public static void shutdown() throws Exception { |
| jetty.stop(); |
| } |
| |
| @Test |
| public void testNewUpdate() throws IOException { |
| Properties properties = new Properties(); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setUseEtag(false); |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(true); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.eq(configBuffer.asReadOnlyBuffer())); |
| } |
| |
| |
| @Test |
| public void testNoUpdate() throws IOException { |
| Properties properties = new Properties(); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setUseEtag(false); |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(false); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.never()).notifyListeners(Mockito.any()); |
| } |
| |
| @Test |
| public void testUseEtag() throws IOException { |
| Properties properties = new Properties(); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setLastEtag(""); |
| |
| pullHttpChangeIngestor.setUseEtag(true); |
| |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(true); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.eq(configBuffer)); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.any()); |
| |
| } |
| |
| @Test |
| public void testNewUpdateWithPath() throws IOException { |
| Properties properties = new Properties(); |
| properties.put(PATH_KEY, "/config.yml"); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setUseEtag(false); |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(true); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.eq(pathConfigBuffer.asReadOnlyBuffer())); |
| } |
| |
| @Test |
| public void testNoUpdateWithPath() throws IOException { |
| Properties properties = new Properties(); |
| properties.put(PATH_KEY, "/config.yml"); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setUseEtag(false); |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(false); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.never()).notifyListeners(Mockito.any()); |
| } |
| |
| @Test |
| public void testUseEtagWithPath() throws IOException { |
| Properties properties = new Properties(); |
| properties.put(PATH_KEY, "/config.yml"); |
| pullHttpChangeIngestorInit(properties); |
| pullHttpChangeIngestor.setLastEtag(""); |
| |
| pullHttpChangeIngestor.setUseEtag(true); |
| |
| when(mockDifferentiator.isNew(Mockito.any(ByteBuffer.class))).thenReturn(true); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.eq(pathConfigBuffer.asReadOnlyBuffer())); |
| |
| pullHttpChangeIngestor.run(); |
| |
| verify(testNotifier, Mockito.times(1)).notifyListeners(Mockito.any()); |
| |
| } |
| |
| static class JettyHandler extends AbstractHandler { |
| volatile String configResponse; |
| volatile String pathResponse; |
| |
| public JettyHandler(String configResponse, String pathResponse){ |
| this.configResponse = configResponse; |
| this.pathResponse = pathResponse; |
| } |
| |
| |
| @Override |
| public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| baseRequest.setHandled(true); |
| |
| if ("GET".equals(request.getMethod())) { |
| |
| if (QUOTED_ETAG.equals(baseRequest.getHeader("If-None-Match"))){ |
| writeOutput(response, null, 304); |
| } else { |
| |
| if ("/config.yml".equals(baseRequest.getPathInfo())) { |
| writeOutput(response, pathResponse, 200); |
| } else { |
| writeOutput(response, configResponse, 200); |
| } |
| } |
| |
| |
| } else { |
| writeOutput(response, "not a GET request", 404); |
| } |
| } |
| |
| private void writeOutput(HttpServletResponse response, String responseBuffer, int responseCode) throws IOException { |
| response.setStatus(responseCode); |
| response.setHeader("ETag", ETAG); |
| if (responseBuffer != null) { |
| response.setContentType("text/plain"); |
| response.setContentLength(responseBuffer.length()); |
| response.setCharacterEncoding(StandardCharsets.UTF_8.displayName()); |
| try (PrintWriter writer = response.getWriter()) { |
| writer.print(responseBuffer); |
| writer.flush(); |
| } |
| } |
| } |
| |
| } |
| } |