datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/ProxyServletTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.dmaap.datarouter.provisioning;
  22
  23 import static org.mockito.Matchers.any;
  24 import static org.mockito.Mockito.mock;
  25 import static org.powermock.api.mockito.PowerMockito.when;
  26
  27 import java.io.ByteArrayInputStream;
  28 import java.io.IOException;
  29 import java.util.ArrayList;
  30 import java.util.Collections;
  31 import java.util.Enumeration;
  32 import java.util.List;
  33 import javax.persistence.EntityManager;
  34 import javax.persistence.EntityManagerFactory;
  35 import javax.persistence.Persistence;
  36 import javax.servlet.ServletConfig;
  37 import javax.servlet.http.HttpServletRequest;
  38 import javax.servlet.http.HttpServletResponse;
  39 import org.apache.commons.lang3.reflect.FieldUtils;
  40 import org.apache.http.Header;
  41 import org.apache.http.HttpEntity;
  42 import org.apache.http.HttpResponse;
  43 import org.apache.http.StatusLine;
  44 import org.apache.http.client.methods.CloseableHttpResponse;
  45 import org.apache.http.client.methods.HttpUriRequest;
  46 import org.apache.http.conn.scheme.Scheme;
  47 import org.apache.http.impl.client.DefaultHttpClient;
  48 import org.apache.http.message.BasicHeader;
  49 import org.junit.AfterClass;
  50 import org.junit.Before;
  51 import org.junit.BeforeClass;
  52 import org.junit.Test;
  53 import org.junit.runner.RunWith;
  54 import org.mockito.Mock;
  55 import org.mockito.Mockito;
  56 import org.onap.dmaap.datarouter.provisioning.utils.SynchronizerTask;
  57 import org.onap.dmaap.datarouter.provisioning.utils.URLUtilities;
  58 import org.powermock.api.mockito.PowerMockito;
  59 import org.powermock.core.classloader.annotations.PowerMockIgnore;
  60 import org.powermock.core.classloader.annotations.PrepareForTest;
  61 import org.powermock.modules.junit4.PowerMockRunner;
  62
  63 @RunWith(PowerMockRunner.class)
  64 @PowerMockIgnore("javax.net.ssl.*")
  65 @PrepareForTest({URLUtilities.class, BaseServlet.class, Scheme.class})
  66 public class ProxyServletTest {
  67     private static ProxyServlet proxyServlet;
  68     private static EntityManagerFactory emf;
  69     private static EntityManager em;
  70
  71     @Mock
  72     private DefaultHttpClient httpClient;
  73     @Mock
  74     private HttpServletRequest request;
  75     @Mock
  76     private HttpServletResponse servletResponse;
  77     @Mock
  78     private CloseableHttpResponse response;
  79     @Mock
  80     private StatusLine statusLine;
  81
  82     @BeforeClass
  83     public static void init() {
  84         emf = Persistence.createEntityManagerFactory("dr-unit-tests");
  85         em = emf.createEntityManager();
  86         System.setProperty(
  87                 "org.onap.dmaap.datarouter.provserver.properties",
  88                 "src/test/resources/h2Database.properties");
  89     }
  90
  91     @AfterClass
  92     public static void tearDownClass() {
  93         em.clear();
  94         em.close();
  95         emf.close();
  96     }
  97
  98     @Before
  99     public void setUp() throws Exception {
 100         proxyServlet = new ProxyServlet();
 101         FieldUtils.writeDeclaredField(proxyServlet, "inited", true, true);
 102
 103         org.apache.http.conn.ssl.SSLSocketFactory sslSocketFactory = PowerMockito.mock(org.apache.http.conn.ssl.SSLSocketFactory.class);
 104         Mockito.doNothing().when(sslSocketFactory).setHostnameVerifier(org.apache.http.conn.ssl.SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
 105         Scheme scheme = new Scheme("http", 80, sslSocketFactory);
 106         FieldUtils.writeDeclaredField(proxyServlet, "sch", scheme, true);
 107
 108         PowerMockito.mockStatic(BaseServlet.class);
 109         PowerMockito.mockStatic(URLUtilities.class);
 110         when(URLUtilities.getPeerPodName()).thenReturn("localhost");
 111
 112         SynchronizerTask synchronizerTask = SynchronizerTask.getSynchronizer();
 113         FieldUtils.writeDeclaredField(synchronizerTask, "podState", 2, true);
 114         FieldUtils.writeDeclaredStaticField(BaseServlet.class, "synctask", synchronizerTask, true);
 115
 116         proxyServlet.init(mock(ServletConfig.class));
 117         setHeadersForValidRequest();
 118         mockHttpClientForGetRequest();
 119     }
 120
 121     @Test
 122     public void Given_Request_Is_HTTP_POST_Exception_Is_Thrown() {
 123         proxyServlet.doPost(request, servletResponse);
 124     }
 125
 126     @Test
 127     public void Given_Request_Is_HTTP_DELETE_Exception_Is_Thrown() {
 128         proxyServlet.doDelete(request, servletResponse);
 129     }
 130
 131     @Test
 132     public void Given_Request_Is_HTTP_GET_Exception_Is_Thrown() {
 133         proxyServlet.doGet(request, servletResponse);
 134     }
 135
 136     @Test
 137     public void Given_Request_Is_HTTP_PUT_Exception_Is_Thrown() {
 138         proxyServlet.doPut(request, servletResponse);
 139     }
 140
 141     @Test
 142     public void Given_Request_Is_HTTP_GetWithFallBack_Exception_Is_Thrown() {
 143         proxyServlet.doGetWithFallback(request, servletResponse);
 144     }
 145
 146     @Test
 147     public void Veirfy_Headers_Are_Copied() {
 148         HttpResponse proxyResponse = PowerMockito.mock(HttpResponse.class);
 149         Header[] headersArray = new Header[2];
 150         headersArray[0] = new BasicHeader("cache-control", "public, max-age=86400");
 151         headersArray[1] = new BasicHeader("content-type", "text/plain");
 152         PowerMockito.when(proxyResponse.getAllHeaders()).thenReturn(headersArray);
 153         proxyServlet.copyResponseHeaders(proxyResponse, servletResponse);
 154     }
 155
 156     @Test
 157     public void Veirfy_EntitiyContent_Copied() throws IOException {
 158         HttpResponse proxyResponse = PowerMockito.mock(HttpResponse.class);
 159         HttpEntity entity = PowerMockito.mock(HttpEntity.class);
 160         PowerMockito.when(proxyResponse.getEntity()).thenReturn(entity);
 161         PowerMockito.when(entity.getContent()).thenReturn(new ByteArrayInputStream("blah".getBytes()));
 162         proxyServlet.copyEntityContent(proxyResponse, servletResponse);
 163     }
 164
 165     private void setHeadersForValidRequest() {
 166         List<String> headers = new ArrayList<>();
 167         headers.add("Content-Type");
 168         headers.add("X-DMAAP-DR-ON-BEHALF-OF");
 169         headers.add("X-DMAAP-DR-META");
 170         Enumeration<String> headerNames = Collections.enumeration(headers);
 171         Mockito.when(request.getHeaderNames()).thenReturn(headerNames);
 172         Enumeration<String> contentTypeHeader = Collections.enumeration(Collections.singletonList("text/plain"));
 173         Enumeration<String> behalfHeader = Collections.enumeration(Collections.singletonList("User1"));
 174         Enumeration<String> metaDataHeader = Collections.enumeration(Collections.singletonList("?#@><"));
 175         Mockito.when(request.getHeaders("Content-Type")).thenReturn(contentTypeHeader);
 176         Mockito.when(request.getHeaders("X-DMAAP-DR-ON-BEHALF-OF")).thenReturn(behalfHeader);
 177         Mockito.when(request.getHeaders("X-DMAAP-DR-META")).thenReturn(metaDataHeader);
 178     }
 179
 180     private void mockHttpClientForGetRequest() throws Exception {
 181         PowerMockito.when(httpClient.execute(any(HttpUriRequest.class))).thenReturn(response);
 182         Mockito.when(request.getRequestURI()).thenReturn("/api");
 183         Mockito.when(response.getStatusLine()).thenReturn(statusLine);
 184     }
 185 }