/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.bolt.tls;

import static org.neo4j.configuration.connectors.BoltConnector.EncryptionLevel.REQUIRED;

import java.io.IOException;
import java.util.Map;
import org.neo4j.bolt.test.annotation.BoltTestExtension;
import org.neo4j.bolt.test.annotation.connection.transport.preset.PlaintextTransportOnly;
import org.neo4j.bolt.test.annotation.setup.SettingsFunction;
import org.neo4j.bolt.test.annotation.test.TransportTest;
import org.neo4j.bolt.testing.assertions.BoltConnectionAssertions;
import org.neo4j.bolt.testing.client.TransportConnection;
import org.neo4j.bolt.testing.messages.BoltWire;
import org.neo4j.bolt.transport.Neo4jWithSocketExtension;
import org.neo4j.configuration.connectors.BoltConnector;
import org.neo4j.graphdb.config.Setting;
import org.neo4j.test.extension.testdirectory.EphemeralTestDirectoryExtension;

/**
 * Ensures that Bolt terminates plaintext connections when the TLS policy requires all connections to establish
 * encrypted connections.
 */
@EphemeralTestDirectoryExtension
@Neo4jWithSocketExtension
@BoltTestExtension
public class RequiredTransportSecurityIT {

    @SettingsFunction
    static void customizeSettings(Map<Setting<?>, Object> settings) {
        settings.put(BoltConnector.encryption_level, REQUIRED);
    }

    @TransportTest
    @PlaintextTransportOnly
    void shouldCloseUnencryptedConnectionOnHandshakeWhenEncryptionIsRequired(
            BoltWire wire, TransportConnection connection) throws IOException {
        connection.send(wire.getProtocolVersion());

        BoltConnectionAssertions.assertThat(connection).isEventuallyTerminated();
    }
}
