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 com.aliyun.oss.crypto;
  
  
  import java.security.Provider;
  import java.security.SecureRandom;
  
  import org.junit.Test;
  import junit.framework.Assert;
  
  public class CryptoConfigurationTest {
      @Test
      public void testConstruction() {
          CryptoConfiguration cryptoConfig = new CryptoConfiguration();
          Assert.assertEquals(ContentCryptoMode.AES_CTR_MODE, cryptoConfig.getContentCryptoMode());
          Assert.assertEquals(CryptoStorageMethod.ObjectMetadata, cryptoConfig.getStorageMethod());
          Assert.assertEquals(SecureRandom.class.getName(), cryptoConfig.getSecureRandom().getClass().getName());
          Assert.assertNull(cryptoConfig.getContentCryptoProvider());
  
          cryptoConfig = new CryptoConfiguration(
                  ContentCryptoMode.AES_CTR_MODE,
                  CryptoStorageMethod.ObjectMetadata,
                  new SecureRandom(),
                  getBouncyCastleProvider());
  
          Assert.assertEquals(ContentCryptoMode.AES_CTR_MODE, cryptoConfig.getContentCryptoMode());
          Assert.assertEquals(CryptoStorageMethod.ObjectMetadata, cryptoConfig.getStorageMethod());
          Assert.assertEquals(SecureRandom.class.getName(), cryptoConfig.getSecureRandom().getClass().getName());
          Assert.assertEquals("BC", cryptoConfig.getContentCryptoProvider().getName());
      }
  
      @Test
      public void testRandom() {
          CryptoConfiguration cryptoConfig = new CryptoConfiguration();
          Assert.assertNotNull(cryptoConfig.getSecureRandom());
  
          cryptoConfig = new CryptoConfiguration().withSecureRandom(null);
          Assert.assertNull(cryptoConfig.getSecureRandom());
  
          cryptoConfig = new CryptoConfiguration();
          cryptoConfig.setSecureRandom(null);
          Assert.assertNull(cryptoConfig.getSecureRandom());
      }
  
      @Test
      public void testProvider() {
          CryptoConfiguration cryptoConfig = new CryptoConfiguration();
          Assert.assertNull(cryptoConfig.getContentCryptoProvider());
  
          cryptoConfig = new CryptoConfiguration().withContentCryptoProvider(getBouncyCastleProvider());
          Assert.assertEquals("BC", cryptoConfig.getContentCryptoProvider().getName());
  
          cryptoConfig = new CryptoConfiguration();
          cryptoConfig.setContentCryptoProvider(getBouncyCastleProvider());
          Assert.assertEquals("BC", cryptoConfig.getContentCryptoProvider().getName());
      }
  
      public static Provider getBouncyCastleProvider()
      {
          try {
              Class<?> clz = Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
              return (Provider)clz.newInstance();
          } catch (Exception e) {
              return null;
          }
      }
  }
  