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