text: /**
   * Copyright (C) 2017 MongoDB Inc.
   *
   * This program is free software: you can redistribute it and/or  modify
   * it under the terms of the GNU Affero General Public License, version 3,
   * as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   *
   * As a special exception, the copyright holders give permission to link the
   * code of portions of this program with the OpenSSL library under certain
   * conditions as described in each individual source file and distribute
   * linked combinations including the program with the OpenSSL library. You
   * must comply with the GNU Affero General Public License in all respects
   * for all of the code used other than as permitted herein. If you modify
   * file(s) with this exception, you may extend this exception to your
   * version of the file(s), but you are not obligated to do so. If you do not
   * wish to do so, delete this exception statement from your version. If you
   * delete this exception statement from all source files in the program,
   * then also delete it in the license file.
   */
  
  #include "mongo/platform/basic.h"
  
  #include "mongo/db/auth/authorization_session_for_test.h"
  
  #include <algorithm>
  #include <memory>
  
  #include "mongo/db/auth/privilege.h"
  #include "mongo/db/auth/user.h"
  #include "mongo/db/auth/user_name.h"
  #include "mongo/db/auth/user_set.h"
  #include "mongo/stdx/memory.h"
  
  namespace mongo {
  constexpr StringData AuthorizationSessionForTest::kTestDBName;
  
  AuthorizationSessionForTest::~AuthorizationSessionForTest() {
      revokeAllPrivileges();
  }
  
  void AuthorizationSessionForTest::assumePrivilegesForDB(Privilege privilege, StringData dbName) {
      assumePrivilegesForDB(std::vector<Privilege>{privilege}, dbName);
  }
  
  void AuthorizationSessionForTest::assumePrivilegesForDB(PrivilegeVector privileges,
                                                          StringData dbName) {
      auto user = stdx::make_unique<User>(UserName("authorizationSessionForTestUser", dbName));
      user->addPrivileges(privileges);
  
      _authenticatedUsers.add(user.get());
      _testUsers.emplace_back(std::move(user));
      _buildAuthenticatedRolesVector();
  }
  
  void AuthorizationSessionForTest::revokePrivilegesForDB(StringData dbName) {
      _authenticatedUsers.removeByDBName(dbName);
      _testUsers.erase(std::remove_if(_testUsers.begin(),
                                      _testUsers.end(),
                                      [&](const std::unique_ptr<User>& user) {
                                          return dbName == user->getName().getDB();
                                      }),
                       _testUsers.end());
  }
  
  void AuthorizationSessionForTest::revokeAllPrivileges() {
      _testUsers.erase(std::remove_if(_testUsers.begin(),
                                      _testUsers.end(),
                                      [&](const std::unique_ptr<User>& user) {
                                          _authenticatedUsers.removeByDBName(user->getName().getDB());
                                          return true;
                                      }),
                       _testUsers.end());
  }
  }  // namespace mongo
  