content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.chemistry.opencmis.server.impl;
  
  import static org.mockito.Matchers.any;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.io.PrintWriter;
  import java.net.URISyntaxException;
  
  import javax.servlet.Servlet;
  import javax.servlet.ServletConfig;
  import javax.servlet.ServletContext;
  import javax.servlet.ServletException;
  import javax.servlet.ServletOutputStream;
  import javax.servlet.WriteListener;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.chemistry.opencmis.commons.data.CacheHeaderContentStream;
  import org.apache.chemistry.opencmis.commons.server.CallContext;
  import org.apache.chemistry.opencmis.commons.server.CmisService;
  import org.apache.chemistry.opencmis.commons.server.CmisServiceFactory;
  import org.apache.chemistry.opencmis.server.impl.atompub.AbstractAtomPubServiceCall;
  import org.apache.chemistry.opencmis.server.impl.atompub.CmisAtomPubServlet;
  import org.apache.chemistry.opencmis.server.impl.browser.CmisBrowserBindingServlet;
  import org.apache.chemistry.opencmis.server.shared.Dispatcher;
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.Mock;
  import org.mockito.MockitoAnnotations;
  
  public class HttpRequestHeadMethodTest {
      private static final String CONTEXT_PATH = "/context";
      private static final String ATOMPUB_SERVLET_PATH = "/cmisatom";
      private static final String BROWSER_SERVLET_PATH = "/cmisjson";
      private static final String REPOSITORY_ID = "22d2880a-bae5-4cfc-a5a9-3b2618e6e11c";
      private static final int BACKEND_SERVER_PORT = 8080;
      private static final String BACKEND_SERVER_NAME = "www.backend.be";
      private static final String BACKEND_SERVER_PROTO = "http";
  
      @Mock
      private CmisServiceFactory cmisServiceFactory;
  
      @Mock
      private CmisService cmisService;
  
      @Mock
      private CacheHeaderContentStream contentStream;
  
      @Mock
      private HttpServletRequest request;
  
      @Mock
      private ServletConfig config;
  
      @Mock
      private ServletContext context;
  
      @Before
      public void setUp() throws Exception {
          MockitoAnnotations.initMocks(this);
          when(this.request.getScheme()).thenReturn(BACKEND_SERVER_PROTO);
          when(this.request.getServerName()).thenReturn(BACKEND_SERVER_NAME);
          when(this.request.getServerPort()).thenReturn(BACKEND_SERVER_PORT);
          when(this.request.getContextPath()).thenReturn(CONTEXT_PATH);
          when(this.config.getServletContext()).thenReturn(context);
          when(this.context.getAttribute(CmisRepositoryContextListener.SERVICES_FACTORY)).thenReturn(cmisServiceFactory);
          when(cmisServiceFactory.getService((CallContext) any())).thenReturn(cmisService);
      }
  
      @Test
      public void testAtomPubHeadRequest() throws URISyntaxException, IOException, ServletException {
          String requestURI = CONTEXT_PATH + ATOMPUB_SERVLET_PATH + "/" + REPOSITORY_ID + "/content";
          String queryString = "id=123";
          doTestHeadRequest(new CmisAtomPubServlet(), ATOMPUB_SERVLET_PATH, requestURI, queryString);
      }
  
      @Test
      public void testBrowserBindingHeadRequest() throws URISyntaxException, IOException, ServletException {
          String requestURI = CONTEXT_PATH + BROWSER_SERVLET_PATH + "/" + REPOSITORY_ID + "/root";
          String queryString = "cmisselector=content&objectId=123";
          doTestHeadRequest(new CmisBrowserBindingServlet(), BROWSER_SERVLET_PATH, requestURI, queryString);
      }
  
      private void doTestHeadRequest(Servlet servlet, String servletPath, String requestURI, String queryString)
              throws URISyntaxException, IOException, ServletException {
  
          when(this.request.getServletPath()).thenReturn(servletPath);
          when(this.request.getRequestURI()).thenReturn(requestURI);
          when(this.request.getQueryString()).thenReturn(queryString);
          when(this.request.getMethod()).thenReturn(Dispatcher.METHOD_HEAD);
  
          when(this.cmisService.getContentStream(REPOSITORY_ID, "123", null, null, null, null)).thenReturn(contentStream);
          when(this.contentStream.getStream()).thenReturn(new ByteArrayInputStream("789".getBytes()));
          when(this.contentStream.getETag()).thenReturn("456");
  
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          HttpServletResponse response = getMockResponse(baos);
          servlet.init(config);
          servlet.service(request, response);
          verify(response).setStatus(HttpServletResponse.SC_OK);
          verify(response).setHeader("ETag", "\"456\"");
      }
  
      private HttpServletResponse getMockResponse(OutputStream out) throws IOException {
          HttpServletResponse resp = mock(HttpServletResponse.class);
          ServletOutputStream sos = new StubServletOutputStream(out);
          PrintWriter printWriter = new PrintWriter(sos);
          when(resp.getOutputStream()).thenReturn(sos);
          when(resp.getWriter()).thenReturn(printWriter);
          return resp;
      }
  
      static class UrlServiceCall extends AbstractAtomPubServiceCall {
          @Override
          public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
                  HttpServletResponse response) throws Exception {
              // no implementation
          }
      }
  
      static class StubServletOutputStream extends ServletOutputStream {
          private OutputStream os;
  
          public StubServletOutputStream(OutputStream os) {
              this.os = os;
          }
  
          @Override
          public void write(int i) throws IOException {
              os.write(i);
          }
  
          @Override
          public boolean isReady() {
              return true;
          }
  
          @Override
          public void setWriteListener(WriteListener writeListener) {
          }
      }
  }