gerrit.onap Code Review - ccsdk/features.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : ccsdk features
   4  * ================================================================================
   5  * Copyright (C) 2018 highstreet technologies GmbH Intellectual Property.
   6  * All rights reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  *
  21  */
  22 package org.onap.ccsdk.features.sdnr.wt.common.test.helper;
  23
  24 import static org.junit.Assert.assertEquals;
  25 import static org.junit.Assert.assertTrue;
  26 import static org.junit.Assert.fail;
  27 import static org.mockito.Mockito.mock;
  28 import static org.mockito.Mockito.verify;
  29 import static org.mockito.Mockito.when;
  30 import com.sun.net.httpserver.HttpExchange;
  31 import com.sun.net.httpserver.HttpHandler;
  32 import com.sun.net.httpserver.HttpServer;
  33 import java.io.IOException;
  34 import java.io.OutputStream;
  35 import java.net.InetSocketAddress;
  36 import java.util.Enumeration;
  37 import java.util.Map;
  38 import java.util.Vector;
  39 import java.util.concurrent.ExecutorService;
  40 import java.util.concurrent.Executors;
  41 import javax.servlet.http.HttpServletRequest;
  42 import javax.servlet.http.HttpServletResponse;
  43 import org.junit.After;
  44 import org.junit.Before;
  45 import org.onap.ccsdk.features.sdnr.wt.common.test.ServletInputStreamFromByteArrayInputStream;
  46 import org.onap.ccsdk.features.sdnr.wt.common.test.ServletOutputStreamToStringWriter;
  47
  48 @SuppressWarnings("restriction")
  49 public class HelpServletBase {
  50
  51     public static final String RESPONSE_GET = "This is the response get";
  52     public static final String RESPONSE_POST = "This is the response post";
  53     public static final String RESPONSE_PUT = "This is the response put";
  54     public static final String RESPONSE_DELETE = "This is the response delete";
  55     public static final String RESPONSE_OPTIONS = "This is the response options";
  56
  57     public static final String HTTPMETHOD_GET = "GET";
  58     public static final String HTTPMETHOD_POST = "POST";
  59     public static final String HTTPMETHOD_PUT = "PUT";
  60     public static final String HTTPMETHOD_DELETE = "DELETE";
  61     public static final String HTTPMETHOD_OPTIONS = "OPTIONS";
  62     private IPublicServlet servlet;
  63     private static HttpServer server;
  64     private static ExecutorService httpThreadPool;
  65
  66     public final String HOST = "localhost";
  67     protected static int testPort;
  68     private final String baseUri;
  69     protected static final String LR = "\n";
  70
  71     public HelpServletBase(String baseuri, int port) {
  72         this.baseUri = baseuri;
  73         testPort = port;
  74     }
  75
  76     public void setServlet(IPublicServlet s) {
  77         this.servlet = s;
  78     }
  79
  80     protected void testrequest(String method, String data, String expectedResponse, boolean exact) {
  81         this.testrequest("/mwtn/test", method, data, expectedResponse, exact, null);
  82     }
  83
  84     protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact) {
  85         this.testrequest(uri, method, data, expectedResponse, exact, null);
  86     }
  87
  88     protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact,
  89             Map<String, String> headersToCheck) {
  90
  91         HttpServletRequest mockRequest = mock(HttpServletRequest.class);
  92         HttpServletResponse mockResponse = mock(HttpServletResponse.class);
  93
  94         ServletOutputStreamToStringWriter printOut = new ServletOutputStreamToStringWriter();
  95         ServletInputStreamFromByteArrayInputStream inputStream = new ServletInputStreamFromByteArrayInputStream(data.getBytes());
  96         Vector<String> headers = new Vector<String>();
  97         headers.addElement("Accept");
  98         headers.add("User-Agent");
  99         Enumeration<String> headerNames = headers.elements();
 100         try {
 101             when(mockRequest.getRequestURI()).thenReturn(this.baseUri + uri);
 102             when(mockRequest.getHeaderNames()).thenReturn(headerNames);
 103             when(mockRequest.getHeader("Accept")).thenReturn("application/json");
 104             when(mockRequest.getHeader("User-Agent")).thenReturn("Gecko abc");
 105             when(mockRequest.getInputStream()).thenReturn(inputStream);
 106             when(mockResponse.getOutputStream()).thenReturn(printOut);
 107             System.out.println("do a " + method + " request");
 108             if (method == HTTPMETHOD_GET)
 109                 this.servlet.doGet(mockRequest, mockResponse);
 110             else if (method == HTTPMETHOD_POST)
 111                 this.servlet.doPost(mockRequest, mockResponse);
 112             else if (method == HTTPMETHOD_PUT)
 113                 this.servlet.doPut(mockRequest, mockResponse);
 114             else if (method == HTTPMETHOD_DELETE)
 115                 this.servlet.doDelete(mockRequest, mockResponse);
 116             else if (method == HTTPMETHOD_OPTIONS)
 117                 this.servlet.doOptions(mockRequest, mockResponse);
 118             else
 119                 fail("http request method " + method + " test not implemented");
 120         } catch (Exception e) {
 121             System.err.println(e.getMessage());
 122         }
 123
 124         verify(mockResponse).setStatus(200);
 125         if (exact)
 126             assertEquals(expectedResponse, printOut.getStringWriter().toString());
 127         else
 128             assertTrue("response not for method " + method + "correct", printOut.getStringWriter().toString().contains(expectedResponse));
 129         // currently unable to check extra headers
 130         if (headersToCheck != null) {
 131
 132         }
 133     }
 134
 135     @Before
 136     private void init() throws IOException {
 137
 138
 139         initEsTestWebserver(testPort);
 140     }
 141
 142     @After
 143     private void deinit() {
 144         stopTestWebserver();
 145     }
 146
 147     public static void initEsTestWebserver(int port) throws IOException {
 148         initEsTestWebserver(port, "/mwtn/test");
 149     }
 150
 151     public static void initEsTestWebserver(int port, String baseUri) throws IOException {
 152         server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
 153         httpThreadPool = Executors.newFixedThreadPool(5);
 154         server.setExecutor(httpThreadPool);
 155         server.createContext(baseUri, new MyHandler());
 156         //server.createContext("/", new MyRootHandler());
 157         server.setExecutor(null); // creates a default executor
 158         server.start();
 159         System.out.println("http server started");
 160     }
 161
 162     public static void stopTestWebserver() {
 163         if (server != null) {
 164             server.stop(0);
 165             httpThreadPool.shutdownNow();
 166             System.out.println("http server stopped");
 167         }
 168     }
 169
 170
 171
 172     public static class MyHandler implements HttpHandler {
 173         @Override
 174         public void handle(HttpExchange t) throws IOException {
 175             String method = t.getRequestMethod();
 176             System.out.println(String.format("req received: %s %s", method, t.getRequestURI()));
 177             OutputStream os = null;
 178             try {
 179                 if (method.equals(HTTPMETHOD_GET)) {
 180                     t.sendResponseHeaders(200, RESPONSE_GET.length());
 181                     os = t.getResponseBody();
 182                     os.write(RESPONSE_GET.getBytes());
 183                 } else if (method.equals(HTTPMETHOD_POST)) {
 184                     t.sendResponseHeaders(200, RESPONSE_POST.length());
 185                     os = t.getResponseBody();
 186                     os.write(RESPONSE_POST.getBytes());
 187                 } else if (method.equals(HTTPMETHOD_PUT)) {
 188                     t.sendResponseHeaders(200, RESPONSE_PUT.length());
 189                     os = t.getResponseBody();
 190                     os.write(RESPONSE_PUT.getBytes());
 191                 } else if (method.equals(HTTPMETHOD_DELETE)) {
 192                     t.sendResponseHeaders(200, RESPONSE_DELETE.length());
 193                     os = t.getResponseBody();
 194                     os.write(RESPONSE_DELETE.getBytes());
 195                 } else if (method.equals(HTTPMETHOD_OPTIONS)) {
 196                     t.sendResponseHeaders(200, RESPONSE_OPTIONS.length());
 197                     //os = t.getResponseBody();
 198                     //os.write(RESPONSE_OPTIONS.getBytes());
 199                 } else {
 200                     t.sendResponseHeaders(404, 0);
 201                 }
 202                 System.out.println("req handled successful");
 203
 204             } catch (Exception e) {
 205                 System.out.println(e.getMessage());
 206             } finally {
 207                 if (os != null) {
 208                     os.close();
 209                 }
 210             }
 211         }
 212     }
 213 }