sdnr/wt/apigateway/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/apigateway/test/helper/HelpServletBase.java

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