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

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : CCSDK.apps.sdnr.wt.apigateway
   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 package org.onap.ccsdk.features.sdnr.wt.apigateway.test.helper;
  22
  23 import static org.junit.Assert.assertEquals;
  24 import static org.junit.Assert.assertTrue;
  25 import static org.junit.Assert.fail;
  26 import static org.mockito.Mockito.mock;
  27 import static org.mockito.Mockito.verify;
  28 import static org.mockito.Mockito.when;
  29
  30 import java.io.ByteArrayInputStream;
  31 import java.io.IOException;
  32 import java.io.OutputStream;
  33 import java.io.StringWriter;
  34 import java.net.InetSocketAddress;
  35 import java.util.Enumeration;
  36 import java.util.Map;
  37 import java.util.Vector;
  38 import java.util.concurrent.ExecutorService;
  39 import java.util.concurrent.Executors;
  40
  41 import javax.servlet.ServletInputStream;
  42 import javax.servlet.ServletOutputStream;
  43 import javax.servlet.http.HttpServletRequest;
  44 import javax.servlet.http.HttpServletResponse;
  45
  46 import org.junit.After;
  47 import org.junit.Before;
  48 import com.sun.net.httpserver.HttpExchange;
  49 import com.sun.net.httpserver.HttpHandler;
  50 import com.sun.net.httpserver.HttpServer;
  51
  52 public class HelpServletBase {
  53
  54         public static final String HTTPMETHOD_GET = "GET";
  55         public static final String HTTPMETHOD_POST = "POST";
  56         public static final String HTTPMETHOD_PUT = "PUT";
  57         public static final String HTTPMETHOD_DELETE = "DELETE";
  58         public static final String HTTPMETHOD_OPTIONS = "OPTIONS";
  59         private IPublicServlet servlet;
  60         private static HttpServer server;
  61         private static ExecutorService httpThreadPool;
  62
  63         public final String HOST = "localhost";
  64         protected static int testPort;
  65         private final String baseUri;
  66         protected static final String LR = "\n";
  67
  68         public HelpServletBase(String baseuri, int port) {
  69                 this.baseUri=baseuri;
  70                 testPort = port;
  71         }
  72
  73         public void setServlet(IPublicServlet s)
  74         {
  75                 this.servlet=s;
  76         }
  77
  78         protected void testrequest(String method, String data, String expectedResponse, boolean exact) {
  79                 this.testrequest("/mwtn/test",method, data, expectedResponse, exact, null);
  80         }
  81         protected void testrequest(String uri,String method, String data, String expectedResponse, boolean exact) {
  82                 this.testrequest(uri,method, data, expectedResponse, exact, null);
  83         }
  84
  85         protected void testrequest(String uri,String method, String data, String expectedResponse, boolean exact,
  86                         Map<String, String> headersToCheck) {
  87
  88                 HttpServletRequest mockRequest = mock(HttpServletRequest.class);
  89                 HttpServletResponse mockResponse = mock(HttpServletResponse.class);
  90
  91                 StringWriter out = new StringWriter();
  92                 ServletOutputStream printOut = new ServletOutputStream() {
  93
  94                         @Override
  95                         public void write(int arg0) throws IOException {
  96                                 out.write(arg0);
  97                         }
  98                 };
  99                 ByteArrayInputStream bis = new ByteArrayInputStream(data.getBytes());
 100                 ServletInputStream inputStream= new ServletInputStream() {
 101                         @Override
 102                         public int read() throws IOException {
 103                                 return bis.read();
 104                         }
 105                 };
 106                 Vector<String> headers=new Vector<String>();
 107                 headers.addElement("Accept");
 108                 headers.add("User-Agent");
 109                 Enumeration<String> headerNames = headers.elements();
 110                 try {
 111                         when(mockRequest.getRequestURI()).thenReturn(this.baseUri+uri);
 112                         when(mockRequest.getHeaderNames()).thenReturn(headerNames);
 113                         when(mockRequest.getHeader("Accept")).thenReturn("application/json");
 114                         when(mockRequest.getHeader("User-Agent")).thenReturn("Gecko abc");
 115                         when(mockRequest.getInputStream()).thenReturn(inputStream);
 116                         when(mockResponse.getOutputStream()).thenReturn(printOut);
 117                         System.out.println("do a " + method + " request");
 118                         if (method == HTTPMETHOD_GET)
 119                                 this.servlet.doGet(mockRequest, mockResponse);
 120                         else if (method == HTTPMETHOD_POST)
 121                                 this.servlet.doPost(mockRequest, mockResponse);
 122                         else if (method == HTTPMETHOD_PUT)
 123                                 this.servlet.doPut(mockRequest, mockResponse);
 124                         else if (method == HTTPMETHOD_DELETE)
 125                                 this.servlet.doDelete(mockRequest, mockResponse);
 126                         else if (method == HTTPMETHOD_OPTIONS)
 127                                 this.servlet.doOptions(mockRequest, mockResponse);
 128                         else
 129                                 fail("http request method " + method + " test not implemented");
 130                 } catch (Exception e) {
 131                         System.err.println(e.getMessage());
 132                 }
 133
 134                 verify(mockResponse).setStatus(200);
 135                 if (exact)
 136                         assertEquals(expectedResponse, out.toString());
 137                 else
 138                         assertTrue("response not for method " + method + "correct", out.toString().contains(expectedResponse));
 139                 // currently unable to check extra headers
 140                 if (headersToCheck != null) {
 141
 142                 }
 143         }
 144         @Before
 145         private void init() throws IOException{
 146
 147
 148                 initEsTestWebserver(testPort);
 149         }
 150         @After
 151         private void deinit() {
 152                 stopTestWebserver();
 153         }
 154
 155         public static void initEsTestWebserver(int port) throws IOException {
 156                 initEsTestWebserver(port, "/mwtn/test");
 157         }
 158         public static void initEsTestWebserver(int port,String baseUri) throws IOException {
 159                 server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
 160                 httpThreadPool = Executors.newFixedThreadPool(5);
 161                 server.setExecutor(httpThreadPool);
 162                 server.createContext(baseUri, new MyHandler());
 163                 //server.createContext("/", new MyRootHandler());
 164                 server.setExecutor(null); // creates a default executor
 165                 server.start();
 166                 System.out.println("http server started");
 167         }
 168
 169         public static void stopTestWebserver() {
 170                 if (server != null) {
 171                         server.stop(0);
 172                         httpThreadPool.shutdownNow();
 173                         System.out.println("http server stopped" );
 174                 }
 175         }
 176
 177
 178
 179         public static class MyHandler implements HttpHandler {
 180                 @Override
 181                 public void handle(HttpExchange t) throws IOException {
 182                         String method = t.getRequestMethod();
 183                         System.out.println(String.format("req received: %s %s" ,method,t.getRequestURI()));
 184                         OutputStream os = null;
 185                         try {
 186                                 if (method.equals(HTTPMETHOD_GET)) {
 187                                         t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_GET.length());
 188                                         os = t.getResponseBody();
 189                                         os.write(HelpEsServlet.RESPONSE_GET.getBytes());
 190                                 } else if (method.equals(HTTPMETHOD_POST)) {
 191                                         t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_POST.length());
 192                                         os = t.getResponseBody();
 193                                         os.write(HelpEsServlet.RESPONSE_POST.getBytes());
 194                                 } else if (method.equals(HTTPMETHOD_PUT)) {
 195                                         t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_PUT.length());
 196                                         os = t.getResponseBody();
 197                                         os.write(HelpEsServlet.RESPONSE_PUT.getBytes());
 198                                 } else if (method.equals(HTTPMETHOD_DELETE)) {
 199                                         t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_DELETE.length());
 200                                         os = t.getResponseBody();
 201                                         os.write(HelpEsServlet.RESPONSE_DELETE.getBytes());
 202                                 } else if (method.equals(HTTPMETHOD_OPTIONS)) {
 203                                         t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_OPTIONS.length());
 204                                         //os = t.getResponseBody();
 205                                         //os.write(RESPONSE_OPTIONS.getBytes());
 206                                 } else {
 207                                         t.sendResponseHeaders(404, 0);
 208                                 }
 209                                 System.out.println("req handled successful");
 210
 211                         } catch (Exception e) {
 212                                 System.out.println(e.getMessage());
 213                         }
 214                         finally {
 215                                 if (os != null)
 216                                 {
 217                                         os.close();
 218                                 }
 219                         }
 220                 }
 221         }
 222 }