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 @SuppressWarnings("restriction")
  53 public class HelpServletBase {
  54
  55     public static final String HTTPMETHOD_GET = "GET";
  56     public static final String HTTPMETHOD_POST = "POST";
  57     public static final String HTTPMETHOD_PUT = "PUT";
  58     public static final String HTTPMETHOD_DELETE = "DELETE";
  59     public static final String HTTPMETHOD_OPTIONS = "OPTIONS";
  60     private IPublicServlet servlet;
  61     private static HttpServer server;
  62     private static ExecutorService httpThreadPool;
  63
  64     public final String HOST = "localhost";
  65     protected static int testPort;
  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         testPort = port;
  72     }
  73
  74     public void setServlet(IPublicServlet s) {
  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
  82     protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact) {
  83         this.testrequest(uri, method, data, expectedResponse, exact, null);
  84     }
  85
  86     protected void testrequest(String uri, String method, String data, String expectedResponse, boolean exact,
  87             Map<String, String> headersToCheck) {
  88
  89         HttpServletRequest mockRequest = mock(HttpServletRequest.class);
  90         HttpServletResponse mockResponse = mock(HttpServletResponse.class);
  91
  92         StringWriter out = new StringWriter();
  93         ServletOutputStream printOut = new ServletOutputStream() {
  94
  95             @Override
  96             public void write(int arg0) throws IOException {
  97                 out.write(arg0);
  98             }
  99         };
 100         ByteArrayInputStream bis = new ByteArrayInputStream(data.getBytes());
 101         ServletInputStream inputStream = new ServletInputStream() {
 102             @Override
 103             public int read() throws IOException {
 104                 return bis.read();
 105             }
 106         };
 107         Vector<String> headers = new Vector<String>();
 108         headers.addElement("Accept");
 109         headers.add("User-Agent");
 110         Enumeration<String> headerNames = headers.elements();
 111         try {
 112             when(mockRequest.getRequestURI()).thenReturn(this.baseUri + uri);
 113             when(mockRequest.getHeaderNames()).thenReturn(headerNames);
 114             when(mockRequest.getHeader("Accept")).thenReturn("application/json");
 115             when(mockRequest.getHeader("User-Agent")).thenReturn("Gecko abc");
 116             when(mockRequest.getInputStream()).thenReturn(inputStream);
 117             when(mockResponse.getOutputStream()).thenReturn(printOut);
 118             System.out.println("do a " + method + " request");
 119             if (method == HTTPMETHOD_GET)
 120                 this.servlet.doGet(mockRequest, mockResponse);
 121             else if (method == HTTPMETHOD_POST)
 122                 this.servlet.doPost(mockRequest, mockResponse);
 123             else if (method == HTTPMETHOD_PUT)
 124                 this.servlet.doPut(mockRequest, mockResponse);
 125             else if (method == HTTPMETHOD_DELETE)
 126                 this.servlet.doDelete(mockRequest, mockResponse);
 127             else if (method == HTTPMETHOD_OPTIONS)
 128                 this.servlet.doOptions(mockRequest, mockResponse);
 129             else
 130                 fail("http request method " + method + " test not implemented");
 131         } catch (Exception e) {
 132             System.err.println(e.getMessage());
 133         }
 134
 135         verify(mockResponse).setStatus(200);
 136         if (exact)
 137             assertEquals(expectedResponse, out.toString());
 138         else
 139             assertTrue("response not for method " + method + "correct", out.toString().contains(expectedResponse));
 140         // currently unable to check extra headers
 141         if (headersToCheck != null) {
 142
 143         }
 144     }
 145
 146     @Before
 147     private void init() throws IOException {
 148
 149
 150         initEsTestWebserver(testPort);
 151     }
 152
 153     @After
 154     private void deinit() {
 155         stopTestWebserver();
 156     }
 157
 158     public static void initEsTestWebserver(int port) throws IOException {
 159         initEsTestWebserver(port, "/mwtn/test");
 160     }
 161
 162     public static void initEsTestWebserver(int port, String baseUri) throws IOException {
 163         server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
 164         httpThreadPool = Executors.newFixedThreadPool(5);
 165         server.setExecutor(httpThreadPool);
 166         server.createContext(baseUri, new MyHandler());
 167         //server.createContext("/", new MyRootHandler());
 168         server.setExecutor(null); // creates a default executor
 169         server.start();
 170         System.out.println("http server started");
 171     }
 172
 173     public static void stopTestWebserver() {
 174         if (server != null) {
 175             server.stop(0);
 176             httpThreadPool.shutdownNow();
 177             System.out.println("http server stopped");
 178         }
 179     }
 180
 181
 182
 183     public static class MyHandler implements HttpHandler {
 184         @Override
 185         public void handle(HttpExchange t) throws IOException {
 186             String method = t.getRequestMethod();
 187             System.out.println(String.format("req received: %s %s", method, t.getRequestURI()));
 188             OutputStream os = null;
 189             try {
 190                 if (method.equals(HTTPMETHOD_GET)) {
 191                     t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_GET.length());
 192                     os = t.getResponseBody();
 193                     os.write(HelpEsServlet.RESPONSE_GET.getBytes());
 194                 } else if (method.equals(HTTPMETHOD_POST)) {
 195                     t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_POST.length());
 196                     os = t.getResponseBody();
 197                     os.write(HelpEsServlet.RESPONSE_POST.getBytes());
 198                 } else if (method.equals(HTTPMETHOD_PUT)) {
 199                     t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_PUT.length());
 200                     os = t.getResponseBody();
 201                     os.write(HelpEsServlet.RESPONSE_PUT.getBytes());
 202                 } else if (method.equals(HTTPMETHOD_DELETE)) {
 203                     t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_DELETE.length());
 204                     os = t.getResponseBody();
 205                     os.write(HelpEsServlet.RESPONSE_DELETE.getBytes());
 206                 } else if (method.equals(HTTPMETHOD_OPTIONS)) {
 207                     t.sendResponseHeaders(200, HelpEsServlet.RESPONSE_OPTIONS.length());
 208                     //os = t.getResponseBody();
 209                     //os.write(RESPONSE_OPTIONS.getBytes());
 210                 } else {
 211                     t.sendResponseHeaders(404, 0);
 212                 }
 213                 System.out.println("req handled successful");
 214
 215             } catch (Exception e) {
 216                 System.out.println(e.getMessage());
 217             } finally {
 218                 if (os != null) {
 219                     os.close();
 220                 }
 221             }
 222         }
 223     }
 224 }