/*
 * @project      The CERN Tape Archive (CTA)
 * @copyright    Copyright © 2021-2022 CERN
 * @license      This program is free software, distributed under the terms of the GNU General Public
 *               Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING". You can
 *               redistribute it and/or modify it under the terms of the GPL Version 3, or (at your
 *               option) any later version.
 *
 *               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 General Public License for more details.
 *
 *               In applying this licence, CERN does not waive the privileges and immunities
 *               granted to it by virtue of its status as an Intergovernmental Organization or
 *               submit itself to any jurisdiction.
 */

#include "common/exception/Exception.hpp"
#include "rdbms/ConnPool.hpp"
#include "rdbms/Login.hpp"

#include <gtest/gtest.h>

namespace unitTests {

class cta_rdbms_ConnPoolTest : public ::testing::Test {
protected:

  virtual void SetUp() {
  }

  virtual void TearDown() {
  }
};

TEST_F(cta_rdbms_ConnPoolTest, getPooledConn) {
  using namespace cta::rdbms;

  const Login login(Login::DBTYPE_SQLITE, "", "", "file::memory:?cache=shared", "", 0);
  const uint64_t maxNbConns = 2;
  ConnPool pool(login, maxNbConns);

  Conn conn = pool.getConn();
}

TEST_F(cta_rdbms_ConnPoolTest, getPooledConn_maxNbConns_zero) {
  using namespace cta::rdbms;

  const Login login(Login::DBTYPE_SQLITE, "", "", "file::memory:?cache=shared", "", 0);
  const uint64_t maxNbConns = 0;
  ConnPool pool(login, maxNbConns);

  ASSERT_THROW(Conn conn = pool.getConn(), ConnPool::ConnPoolConfiguredWithZeroConns);
}

TEST_F(cta_rdbms_ConnPoolTest, assignment) {
  using namespace cta::rdbms;

  const Login login(Login::DBTYPE_SQLITE, "", "", "file::memory:?cache=shared", "", 0);
  const uint64_t maxNbConns = 2;
  ConnPool pool(login, maxNbConns);

  Conn conn = pool.getConn();

  Conn conn2(nullptr, nullptr);

  conn2 = pool.getConn();
}

TEST_F(cta_rdbms_ConnPoolTest, moveConstructor) {
  using namespace cta::rdbms;

  const Login login(Login::DBTYPE_SQLITE, "", "", "file::memory:?cache=shared", "", 0);
  const uint64_t maxNbConns = 2;
  ConnPool pool(login, maxNbConns);

  Conn conn = pool.getConn();

  Conn conn2(std::move(conn));
}

} // namespace unitTests