/*
    * 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.commons.crypto.cipher;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.IOException;
  import java.security.GeneralSecurityException;
  import java.util.Properties;
  
  import org.apache.commons.crypto.utils.AES;
  import org.junit.jupiter.api.Test;
  
  
  public class CryptoCipherFactoryTest {
      @Test
      public void testDefaultCipher() throws GeneralSecurityException {
          final CryptoCipher defaultCipher = CryptoCipherFactory
                  .getCryptoCipher(AES.CTR_NO_PADDING);
          final String name = defaultCipher.getClass().getName();
          if (OpenSsl.getLoadingFailureReason() == null) {
              assertEquals(OpenSslCipher.class.getName(), name);
          } else {
              assertEquals(JceCipher.class.getName(), name);
          }
      }
  
      @Test
      public void testEmptyCipher() throws GeneralSecurityException, IOException {
          final Properties properties = new Properties();
          properties.setProperty(CryptoCipherFactory.CLASSES_KEY, ""); // TODO should this really mean use the default?
          try (CryptoCipher defaultCipher = CryptoCipherFactory.getCryptoCipher(
                  AES.CBC_NO_PADDING, properties)) {
              final String name = defaultCipher.getClass().getName();
              if (OpenSsl.getLoadingFailureReason() == null) {
                  assertEquals(OpenSslCipher.class.getName(), name);
              } else {
                  assertEquals(JceCipher.class.getName(), name);
              }
          }
      }
  
      @Test
      public void testInvalidCipher() {
          final Properties properties = new Properties();
          properties.setProperty(CryptoCipherFactory.CLASSES_KEY,
                  "InvalidCipherName");
          assertThrows(GeneralSecurityException.class,
                  () -> CryptoCipherFactory.getCryptoCipher(AES.CBC_NO_PADDING, properties));
  
      }
  
      @Test
      public void testInvalidTransformation() {
        final Properties properties = new Properties();
          assertThrows(GeneralSecurityException.class,
                  () -> CryptoCipherFactory.getCryptoCipher("AES/Invalid/NoPadding", properties));
  
      }
  
      @Test
      public void testNoCipher() {
          final Properties properties = new Properties();
          // An empty string currently means use the default
          // However the splitter drops empty fields
          properties.setProperty(CryptoCipherFactory.CLASSES_KEY, ",");
          assertThrows(IllegalArgumentException.class,
                  () -> CryptoCipherFactory.getCryptoCipher(AES.CBC_NO_PADDING, properties));
  
      }
  
  }