/*
    * 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
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   * under the License.
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  package org.apache.syncope.core.provisioning.api.serialization;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.mockito.Mockito.when;
  
  import com.fasterxml.jackson.core.JsonParser;
  import com.fasterxml.jackson.databind.DeserializationContext;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.node.JsonNodeFactory;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import java.io.IOException;
  import java.util.Base64;
  import java.util.HashMap;
  import java.util.Map;
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.syncope.core.provisioning.api.AbstractTest;
  import org.identityconnectors.common.security.EncryptorFactory;
  import org.identityconnectors.common.security.GuardedString;
  import org.junit.jupiter.api.Test;
  import org.mockito.Mock;
  import org.springframework.test.util.ReflectionTestUtils;
  
  public class GuardedStringDeserializerTest extends AbstractTest {
  
      private static final String READONLY = "readOnly";
  
      private static final String DISPOSED = "disposed";
  
      private static final String ENCRYPTED_BYTES = "encryptedBytes";
  
      private static final String BASE64_SHA1_HASH = "base64SHA1Hash";
  
      private final GuardedStringDeserializer deserializer = new GuardedStringDeserializer();
  
      @Mock
      private JsonParser jp;
  
      @Mock
      private DeserializationContext ctx;
  
      @Mock
      private JsonNode node;
  
      @Test
      public void deserialize() throws IOException {
          Map<String, JsonNode> kids = new HashMap<>();
          kids.put(READONLY, node);
          kids.put(DISPOSED, node);
          kids.put(ENCRYPTED_BYTES, node);
          kids.put(BASE64_SHA1_HASH, node);
          ObjectNode tree = new ObjectNode(JsonNodeFactory.instance, kids);
          String testString = "randomTestString";
          byte[] encryptedBytes = EncryptorFactory.getInstance().getDefaultEncryptor().encrypt(testString.getBytes());
          String encryptedString = Base64.getEncoder().encodeToString(encryptedBytes);
  
          when(jp.readValueAsTree()).thenReturn(tree);
          when(node.asText()).thenReturn(encryptedString);
          assertEquals(Boolean.FALSE, ReflectionTestUtils.getField(deserializer.deserialize(jp, ctx), READONLY));
          kids.remove(READONLY);
          assertEquals(Boolean.FALSE, ReflectionTestUtils.getField(deserializer.deserialize(jp, ctx), DISPOSED));
          kids.remove(DISPOSED);
          assertEquals(encryptedString, 
                  ReflectionTestUtils.getField(deserializer.deserialize(jp, ctx), BASE64_SHA1_HASH));
  
          kids.remove(BASE64_SHA1_HASH);
          GuardedString expected = new GuardedString(new String(testString.getBytes()).toCharArray());
          assertTrue(EqualsBuilder.reflectionEquals(ReflectionTestUtils.getField(expected, ENCRYPTED_BYTES),
                  ReflectionTestUtils.getField(deserializer.deserialize(jp, ctx), ENCRYPTED_BYTES)));
      }
  }