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.ambari.server.api;
  
  import static org.easymock.EasyMock.expect;
  
  import java.io.IOException;
  import java.util.Vector;
  
  import jakarta.servlet.FilterChain;
  import jakarta.servlet.ServletException;
  import jakarta.servlet.ServletRequest;
  import jakarta.servlet.ServletResponse;
  import jakarta.servlet.http.HttpServletRequest;
  import jakarta.servlet.http.HttpServletResponse;
  import jakarta.ws.rs.core.HttpHeaders;
  import jakarta.ws.rs.core.MediaType;
  
  import org.easymock.EasyMockRule;
  import org.easymock.EasyMockSupport;
  import org.easymock.Mock;
  import org.easymock.MockType;
  import org.junit.Rule;
  import org.junit.Test;
  
  import junit.framework.Assert;
  
  
  public class ContentTypeOverrideFilterTest extends EasyMockSupport {
  
      private class FilterChainMock implements FilterChain {
          HttpServletResponse response;
          HttpServletRequest request;
  
          @Override
          public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
              this.request = (HttpServletRequest) request;
              this.response = (HttpServletResponse) response;
          }
      }
  
      @Rule
      public EasyMockRule mock = new EasyMockRule(this);
  
      @Mock(type = MockType.NICE)
      private HttpServletRequest request;
  
      @Mock(type = MockType.NICE)
      private HttpServletResponse response;
  
      private final ContentTypeOverrideFilter filter = new ContentTypeOverrideFilter();
  
      @Test
      public void testJSONContentTypeRequest() throws Exception {
          Vector<String> headers = new Vector<>(1);
          headers.add(MediaType.APPLICATION_JSON);
  
          expect(request.getContentType()).andReturn(MediaType.APPLICATION_JSON).atLeastOnce();
          expect(request.getHeader(HttpHeaders.CONTENT_TYPE)).andReturn(MediaType.APPLICATION_JSON).atLeastOnce();
          expect(request.getHeaders(HttpHeaders.CONTENT_TYPE)).andReturn(headers.elements()).atLeastOnce();
          replayAll();
  
          FilterChainMock chain = new FilterChainMock();
          filter.doFilter(request, response, chain);
  
          Assert.assertEquals(MediaType.TEXT_PLAIN, chain.request.getHeader(HttpHeaders.CONTENT_TYPE));
          Assert.assertEquals(MediaType.TEXT_PLAIN, chain.request.getHeaders(HttpHeaders.CONTENT_TYPE).nextElement());
  
          verifyAll();
      }
  }
  