| /** |
| * 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.apex.malhar.lib.io; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.server.Handler; |
| import org.eclipse.jetty.server.Request; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.handler.AbstractHandler; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.apex.malhar.lib.testbench.CollectorTestSink; |
| import org.apache.apex.malhar.lib.util.TestUtils; |
| |
| /** |
| * Tests the {@link HttpGetMapOperator} for sending get requests to specified url |
| * and processing responses if output port is connected |
| */ |
| public class HttpGetMapOperatorTest |
| { |
| private final String KEY1 = "key1"; |
| private final String KEY2 = "key2"; |
| private final String VAL1 = "val1"; |
| private final String VAL2 = "val2"; |
| private final String VAL3 = "val3"; |
| private final String VAL4 = "val4"; |
| |
| @Test |
| public void testGetOperator() throws Exception |
| { |
| final List<Map<String, String[]>> receivedRequests = new ArrayList<Map<String, String[]>>(); |
| Handler handler = new AbstractHandler() |
| { |
| @Override |
| public void handle(String string, Request rq, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException |
| { |
| receivedRequests.add(request.getParameterMap()); |
| response.setContentType("text/html"); |
| response.setStatus(HttpServletResponse.SC_OK); |
| response.getWriter().println(request.getParameterNames().nextElement()); |
| ((Request)request).setHandled(true); |
| } |
| |
| }; |
| |
| Server server = new Server(0); |
| server.setHandler(handler); |
| server.start(); |
| |
| String url = "http://localhost:" + server.getConnectors()[0].getLocalPort() + "/context"; |
| |
| HttpGetMapOperator<String, String> operator = new HttpGetMapOperator<String, String>(); |
| operator.setUrl(url); |
| operator.setup(null); |
| |
| CollectorTestSink<String> sink = TestUtils.setSink(operator.output, new CollectorTestSink<String>()); |
| |
| Map<String, String> data = new HashMap<String, String>(); |
| data.put(KEY1, VAL1); |
| operator.input.process(data); |
| |
| data.clear(); |
| data.put(KEY1, VAL2); |
| data.put(KEY2, VAL3); |
| operator.input.process(data); |
| |
| data.clear(); |
| data.put("key1", VAL4); |
| operator.input.process(data); |
| |
| long startTms = System.currentTimeMillis(); |
| long waitTime = 10000L; |
| |
| while (receivedRequests.size() < 3 && System.currentTimeMillis() - startTms < waitTime) { |
| Thread.sleep(250); |
| } |
| |
| Assert.assertEquals("request count", 3, receivedRequests.size()); |
| Assert.assertEquals("parameter value", VAL1, receivedRequests.get(0).get(KEY1)[0]); |
| Assert.assertNull("parameter value", receivedRequests.get(0).get(KEY2)); |
| Assert.assertEquals("parameter value", VAL2, receivedRequests.get(1).get(KEY1)[0]); |
| Assert.assertEquals("parameter value", VAL3, receivedRequests.get(1).get(KEY2)[0]); |
| Assert.assertEquals("parameter value", VAL4, receivedRequests.get(2).get(KEY1)[0]); |
| |
| Assert.assertEquals("emitted size", 3, sink.collectedTuples.size()); |
| Assert.assertEquals("emitted tuples", KEY1, sink.collectedTuples.get(0).trim()); |
| } |
| |
| } |