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    * 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.
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  package org.apache.syncope.core.persistence.jpa.inner;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.List;
  import java.util.stream.Collectors;
  import org.apache.syncope.common.lib.SyncopeConstants;
  import org.apache.syncope.common.lib.types.CipherAlgorithm;
  import org.apache.syncope.common.lib.types.IdMEntitlement;
  import org.apache.syncope.core.persistence.api.dao.PlainSchemaDAO;
  import org.apache.syncope.core.persistence.api.dao.RealmDAO;
  import org.apache.syncope.core.persistence.api.dao.UserDAO;
  import org.apache.syncope.core.persistence.api.entity.user.User;
  import org.apache.syncope.core.persistence.jpa.AbstractTest;
  import org.apache.syncope.core.spring.security.SyncopeAuthenticationDetails;
  import org.apache.syncope.core.spring.security.SyncopeGrantedAuthority;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
  import org.springframework.security.core.GrantedAuthority;
  import org.springframework.security.core.context.SecurityContextHolder;
  import org.springframework.transaction.annotation.Transactional;
  
  @Transactional("Two")
  @Tag("multitenancy")
  public class MultitenancyTest extends AbstractTest {
  
      @Autowired
      private PlainSchemaDAO plainSchemaDAO;
  
      @Autowired
      private RealmDAO realmDAO;
  
      @Autowired
      private UserDAO userDAO;
  
      @BeforeAll
      public static void setAuthContext() {
          List<GrantedAuthority> authorities = IdMEntitlement.values().stream().
                  map(entitlement -> new SyncopeGrantedAuthority(entitlement, SyncopeConstants.ROOT_REALM)).
                  collect(Collectors.toList());
  
          UsernamePasswordAuthenticationToken auth = new UsernamePasswordAuthenticationToken(
                  new org.springframework.security.core.userdetails.User(
                          "admin", "FAKE_PASSWORD", authorities), "FAKE_PASSWORD", authorities);
          auth.setDetails(new SyncopeAuthenticationDetails("Two", null));
          SecurityContextHolder.getContext().setAuthentication(auth);
      }
  
      @AfterAll
      public static void unsetAuthContext() {
          SecurityContextHolder.getContext().setAuthentication(null);
      }
  
      @Test
      public void readPlainSchemas() {
          assertEquals(1, plainSchemaDAO.findAll().size());
      }
  
      @Test
      public void readRealm() {
          assertEquals(1, realmDAO.findDescendants(realmDAO.getRoot().getFullPath(), null, -1, -1).size());
          assertEquals(
                  realmDAO.getRoot(),
                  realmDAO.findDescendants(realmDAO.getRoot().getFullPath(), null, -1, -1).get(0));
      }
  
      @Test
      public void createUser() {
          assertNull(realmDAO.getRoot().getPasswordPolicy());
          assertTrue(userDAO.findAll(1, 100).isEmpty());
  
          User user = entityFactory.newEntity(User.class);
          user.setRealm(realmDAO.getRoot());
          user.setPassword("password");
         user.setCipherAlgorithm(CipherAlgorithm.SHA256);
         user.setUsername("username");
 
         User actual = userDAO.save(user);
         assertNotNull(actual);
         assertEquals(0, actual.getPasswordHistory().size());
     }
 }