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     public static final String RESPONSE_GET = "This is the response get";
  56     public static final String RESPONSE_POST = "This is the response post";
  57     public static final String RESPONSE_PUT = "This is the response put";
  58     public static final String RESPONSE_DELETE = "This is the response delete";
  59     public static final String RESPONSE_OPTIONS = "This is the response 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         ServletOutputStreamToStringWriter printOut = new ServletOutputStreamToStringWriter();
  93         ServletInputStreamFromByteArrayInputStream inputStream = new ServletInputStreamFromByteArrayInputStream(data.getBytes());
  94         Vector<String> headers = new Vector<String>();
  95         headers.addElement("Accept");
  96         headers.add("User-Agent");
  97         Enumeration<String> headerNames = headers.elements();
  98         try {
  99             when(mockRequest.getRequestURI()).thenReturn(this.baseUri + uri);
 100             when(mockRequest.getHeaderNames()).thenReturn(headerNames);
 101             when(mockRequest.getHeader("Accept")).thenReturn("application/json");
 102             when(mockRequest.getHeader("User-Agent")).thenReturn("Gecko abc");
 103             when(mockRequest.getInputStream()).thenReturn(inputStream);
 104             when(mockResponse.getOutputStream()).thenReturn(printOut);
 105             System.out.println("do a " + method + " request");
 106             if (method == HTTPMETHOD_GET)
 107                 this.servlet.doGet(mockRequest, mockResponse);
 108             else if (method == HTTPMETHOD_POST)
 109                 this.servlet.doPost(mockRequest, mockResponse);
 110             else if (method == HTTPMETHOD_PUT)
 111                 this.servlet.doPut(mockRequest, mockResponse);
 112             else if (method == HTTPMETHOD_DELETE)
 113                 this.servlet.doDelete(mockRequest, mockResponse);
 114             else if (method == HTTPMETHOD_OPTIONS)
 115                 this.servlet.doOptions(mockRequest, mockResponse);
 116             else
 117                 fail("http request method " + method + " test not implemented");
 118         } catch (Exception e) {
 119             System.err.println(e.getMessage());
 120         }
 121
 122         verify(mockResponse).setStatus(200);
 123         if (exact)
 124             assertEquals(expectedResponse, printOut.getStringWriter().toString());
 125         else
 126             assertTrue("response not for method " + method + "correct", printOut.getStringWriter().toString().contains(expectedResponse));
 127         // currently unable to check extra headers
 128         if (headersToCheck != null) {
 129
 130         }
 131     }
 132
 133     @Before
 134     private void init() throws IOException {
 135
 136
 137         initEsTestWebserver(testPort);
 138     }
 139
 140     @After
 141     private void deinit() {
 142         stopTestWebserver();
 143     }
 144
 145     public static void initEsTestWebserver(int port) throws IOException {
 146         initEsTestWebserver(port, "/mwtn/test");
 147     }
 148
 149     public static void initEsTestWebserver(int port, String baseUri) throws IOException {
 150         server = HttpServer.create(new InetSocketAddress("127.0.0.1", port), 0);
 151         httpThreadPool = Executors.newFixedThreadPool(5);
 152         server.setExecutor(httpThreadPool);
 153         server.createContext(baseUri, new MyHandler());
 154         //server.createContext("/", new MyRootHandler());
 155         server.setExecutor(null); // creates a default executor
 156         server.start();
 157         System.out.println("http server started");
 158     }
 159
 160     public static void stopTestWebserver() {
 161         if (server != null) {
 162             server.stop(0);
 163             httpThreadPool.shutdownNow();
 164             System.out.println("http server stopped");
 165         }
 166     }
 167
 168
 169
 170     public static class MyHandler implements HttpHandler {
 171         @Override
 172         public void handle(HttpExchange t) throws IOException {
 173             String method = t.getRequestMethod();
 174             System.out.println(String.format("req received: %s %s", method, t.getRequestURI()));
 175             OutputStream os = null;
 176             try {
 177                 if (method.equals(HTTPMETHOD_GET)) {
 178                     t.sendResponseHeaders(200, RESPONSE_GET.length());
 179                     os = t.getResponseBody();
 180                     os.write(RESPONSE_GET.getBytes());
 181                 } else if (method.equals(HTTPMETHOD_POST)) {
 182                     t.sendResponseHeaders(200, RESPONSE_POST.length());
 183                     os = t.getResponseBody();
 184                     os.write(RESPONSE_POST.getBytes());
 185                 } else if (method.equals(HTTPMETHOD_PUT)) {
 186                     t.sendResponseHeaders(200, RESPONSE_PUT.length());
 187                     os = t.getResponseBody();
 188                     os.write(RESPONSE_PUT.getBytes());
 189                 } else if (method.equals(HTTPMETHOD_DELETE)) {
 190                     t.sendResponseHeaders(200, RESPONSE_DELETE.length());
 191                     os = t.getResponseBody();
 192                     os.write(RESPONSE_DELETE.getBytes());
 193                 } else if (method.equals(HTTPMETHOD_OPTIONS)) {
 194                     t.sendResponseHeaders(200, RESPONSE_OPTIONS.length());
 195                     //os = t.getResponseBody();
 196                     //os.write(RESPONSE_OPTIONS.getBytes());
 197                 } else {
 198                     t.sendResponseHeaders(404, 0);
 199                 }
 200                 System.out.println("req handled successful");
 201
 202             } catch (Exception e) {
 203                 System.out.println(e.getMessage());
 204             } finally {
 205                 if (os != null) {
 206                     os.close();
 207                 }
 208             }
 209         }
 210     }
 211 }