/*
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    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.http.impl.client;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.apache.http.HttpEntity;
  import org.apache.http.HttpResponse;
  import org.apache.http.HttpVersion;
  import org.apache.http.StatusLine;
  import org.apache.http.client.HttpResponseException;
  import org.apache.http.entity.StringEntity;
  import org.apache.http.message.BasicStatusLine;
  import org.apache.http.util.EntityUtils;
  import org.junit.Assert;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  /**
   * Unit tests for {@link BasicResponseHandler}.
   */
  public class TestAbstractResponseHandler {
  
      @Test
      public void testSuccessfulResponse() throws Exception {
          final StatusLine sl = new BasicStatusLine(HttpVersion.HTTP_1_1, 200, "OK");
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          final HttpEntity entity = new StringEntity("42");
          Mockito.when(response.getStatusLine()).thenReturn(sl);
          Mockito.when(response.getEntity()).thenReturn(entity);
  
          final AbstractResponseHandler<Integer> handler = new AbstractResponseHandler<Integer>() {
  
            @Override
            public Integer handleEntity(final HttpEntity entity) throws IOException {
              return Integer.valueOf(EntityUtils.toString(entity));
            }
          };
          final Integer number = handler.handleResponse(response);
          Assert.assertEquals(42, number.intValue());
      }
  
      @SuppressWarnings("boxing")
      @Test
      public void testUnsuccessfulResponse() throws Exception {
          final InputStream inStream = Mockito.mock(InputStream.class);
          final HttpEntity entity = Mockito.mock(HttpEntity.class);
          Mockito.when(entity.isStreaming()).thenReturn(true);
          Mockito.when(entity.getContent()).thenReturn(inStream);
          final StatusLine sl = new BasicStatusLine(HttpVersion.HTTP_1_1, 404, "Not Found");
          final HttpResponse response = Mockito.mock(HttpResponse.class);
          Mockito.when(response.getStatusLine()).thenReturn(sl);
          Mockito.when(response.getEntity()).thenReturn(entity);
  
          final BasicResponseHandler handler = new BasicResponseHandler();
          try {
              handler.handleResponse(response);
              Assert.fail("HttpResponseException expected");
          } catch (final HttpResponseException ex) {
              Assert.assertEquals(404, ex.getStatusCode());
              Assert.assertEquals("Not Found", ex.getReasonPhrase());
              Assert.assertEquals("status code: 404, reason phrase: Not Found", ex.getMessage());
          }
          Mockito.verify(entity).getContent();
          Mockito.verify(inStream).close();
      }
  
      @SuppressWarnings("boxing")
      @Test
      public void testUnsuccessfulResponseEmptyReason() throws Exception {
          final InputStream inStream = Mockito.mock(InputStream.class);
          final HttpEntity entity = Mockito.mock(HttpEntity.class);
          Mockito.when(entity.isStreaming()).thenReturn(true);
         Mockito.when(entity.getContent()).thenReturn(inStream);
         final StatusLine sl = new BasicStatusLine(HttpVersion.HTTP_1_1, 404, null);
         final HttpResponse response = Mockito.mock(HttpResponse.class);
         Mockito.when(response.getStatusLine()).thenReturn(sl);
         Mockito.when(response.getEntity()).thenReturn(entity);
 
         final BasicResponseHandler handler = new BasicResponseHandler();
         try {
             handler.handleResponse(response);
             Assert.fail("HttpResponseException expected");
         } catch (final HttpResponseException ex) {
             Assert.assertEquals(404, ex.getStatusCode());
             Assert.assertNull(ex.getReasonPhrase());
             Assert.assertEquals("status code: 404", ex.getMessage());
         }
         Mockito.verify(entity).getContent();
         Mockito.verify(inStream).close();
     }
 }