/*
 * 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.protocol.common.message;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;

import org.junit.jupiter.api.Test;
import org.neo4j.graphdb.DatabaseShutdownException;
import org.neo4j.kernel.DeadlockDetectedException;
import org.neo4j.kernel.api.exceptions.Status;

class ErrorTest {
    @Test
    void shouldAssignUnknownStatusToUnpredictedException() {
        // Given
        Throwable cause = new Throwable("This is not an error we know how to handle.");
        Error error = Error.from(cause);

        // Then
        assertThat(error.status()).isEqualTo(Status.General.UnknownError);
    }

    @Test
    void shouldConvertDeadlockException() {
        // When
        Error error = Error.from(new DeadlockDetectedException(null));

        // Then
        assertEquals(Status.Transaction.DeadlockDetected, error.status());
    }

    @Test
    void shouldSetStatusToDatabaseUnavailableOnDatabaseShutdownException() {
        // Given
        DatabaseShutdownException ex = new DatabaseShutdownException();

        // When
        Error error = Error.from(ex);

        // Then
        assertThat(error.status()).isEqualTo(Status.General.DatabaseUnavailable);
        assertThat(error.cause()).isEqualTo(ex);
    }
}
