/*
    * ====================================================================
    * 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.hc.core5.http.io.entity;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.nio.charset.StandardCharsets;
  
  import org.apache.hc.core5.http.ContentType;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  /**
   * Unit tests for {@link BasicHttpEntity}.
   *
   */
  public class TestBasicHttpEntity {
  
      @Test
      public void testBasics() throws Exception {
          final byte[] bytes = "Message content".getBytes(StandardCharsets.US_ASCII);
          final BasicHttpEntity httpentity = new BasicHttpEntity(new ByteArrayInputStream(bytes), bytes.length, null);
          Assertions.assertEquals(bytes.length, httpentity.getContentLength());
          // always false
          Assertions.assertFalse(httpentity.isRepeatable());
          // always true
          Assertions.assertTrue(httpentity.isStreaming());
      }
  
      @Test
      public void testConstructorNullContent() throws Exception {
          // BasicHttpEntity(InputStream, ContentType)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, ContentType.APPLICATION_ATOM_XML));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, null));
          // BasicHttpEntity(InputStream, ContentType, boolean)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, ContentType.APPLICATION_ATOM_XML, false));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, null, false));
          // BasicHttpEntity(InputStream, ContentType, String)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, ContentType.APPLICATION_ATOM_XML, ""));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, null, ""));
          // BasicHttpEntity(InputStream, long, ContentType)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, ContentType.APPLICATION_ATOM_XML));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, null));
          // BasicHttpEntity(InputStream, long, ContentType, String)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, ContentType.APPLICATION_ATOM_XML, ""));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, null, ""));
          // BasicHttpEntity(InputStream, long, ContentType, String, boolean)
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, ContentType.APPLICATION_ATOM_XML, "", false));
          Assertions.assertThrows(NullPointerException.class, () -> new BasicHttpEntity(null, 0, null, "", false));
      }
  
      @Test
      public void testToString() throws Exception {
          try (final BasicHttpEntity httpentity = new BasicHttpEntity(EmptyInputStream.INSTANCE, 10,
                  ContentType.parseLenient("blah"), "yada", true)) {
              Assertions.assertEquals(
                      "[Entity-Class: BasicHttpEntity, Content-Type: blah, Content-Encoding: yada, chunked: true]",
                      httpentity.toString());
          }
      }
  
      @Test
      public void testWriteTo() throws Exception {
          final byte[] bytes = "Message content".getBytes(StandardCharsets.US_ASCII);
          final BasicHttpEntity httpentity = new BasicHttpEntity(new ByteArrayInputStream(bytes), bytes.length,
                  ContentType.TEXT_PLAIN);
          // always false
          Assertions.assertFalse(httpentity.isRepeatable());
          // always true
          Assertions.assertTrue(httpentity.isStreaming());
          final ByteArrayOutputStream out = new ByteArrayOutputStream();
          httpentity.writeTo(out);
          final byte[] bytes2 = out.toByteArray();
          Assertions.assertNotNull(bytes2);
         Assertions.assertEquals(bytes.length, bytes2.length);
         for (int i = 0; i < bytes.length; i++) {
             Assertions.assertEquals(bytes[i], bytes2[i]);
         }
     }
 
 }