/*
    * ====================================================================
    * 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.client5.http.impl.auth;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  import org.apache.hc.client5.http.auth.AuthChallenge;
  import org.apache.hc.client5.http.auth.AuthScheme;
  import org.apache.hc.client5.http.auth.AuthScope;
  import org.apache.hc.client5.http.auth.BearerToken;
  import org.apache.hc.client5.http.auth.ChallengeType;
  import org.apache.hc.client5.http.auth.CredentialsProvider;
  import org.apache.hc.core5.http.HttpHost;
  import org.apache.hc.core5.http.HttpRequest;
  import org.apache.hc.core5.http.message.BasicHttpRequest;
  import org.apache.hc.core5.http.message.BasicNameValuePair;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  /**
   * Bearer authentication test cases.
   */
  public class TestBearerScheme {
  
      @Test
      public void testBearerAuthenticationEmptyChallenge() throws Exception {
          final AuthChallenge authChallenge = new AuthChallenge(ChallengeType.TARGET, "BEARER");
          final AuthScheme authscheme = new BearerScheme();
          authscheme.processChallenge(authChallenge, null);
          Assertions.assertNull(authscheme.getRealm());
      }
  
      @Test
      public void testBearerAuthentication() throws Exception {
          final AuthChallenge authChallenge = new AuthChallenge(ChallengeType.TARGET, "Bearer",
                  new BasicNameValuePair("realm", "test"));
  
          final AuthScheme authscheme = new BearerScheme();
          authscheme.processChallenge(authChallenge, null);
  
          final HttpHost host  = new HttpHost("somehost", 80);
          final CredentialsProvider credentialsProvider = CredentialsProviderBuilder.create()
                  .add(new AuthScope(host, "test", null), new BearerToken("some token"))
                  .build();
  
          final HttpRequest request = new BasicHttpRequest("GET", "/");
          Assertions.assertTrue(authscheme.isResponseReady(host, credentialsProvider, null));
          authscheme.generateAuthResponse(host, request, null);
  
          Assertions.assertEquals("test", authscheme.getRealm());
          Assertions.assertTrue(authscheme.isChallengeComplete());
          Assertions.assertFalse(authscheme.isConnectionBased());
      }
  
      @Test
      public void testSerialization() throws Exception {
          final AuthChallenge authChallenge = new AuthChallenge(ChallengeType.TARGET, "Bearer",
                  new BasicNameValuePair("realm", "test"),
                  new BasicNameValuePair("code", "read"));
  
          final AuthScheme authscheme = new BearerScheme();
          authscheme.processChallenge(authChallenge, null);
  
          final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          final ObjectOutputStream out = new ObjectOutputStream(buffer);
          out.writeObject(authscheme);
          out.flush();
          final byte[] raw = buffer.toByteArray();
          final ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(raw));
          final BearerScheme authcheme2 = (BearerScheme) in.readObject();
  
          Assertions.assertEquals(authcheme2.getName(), authcheme2.getName());
         Assertions.assertEquals(authcheme2.getRealm(), authcheme2.getRealm());
         Assertions.assertEquals(authcheme2.isChallengeComplete(), authcheme2.isChallengeComplete());
     }
 
 }