/*
 * 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.kernel.impl.coreapi;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.neo4j.graphdb.RelationshipType.withName;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.neo4j.graphdb.NotInTransactionException;
import org.neo4j.graphdb.Relationship;
import org.neo4j.kernel.impl.core.NodeEntity;
import org.neo4j.kernel.internal.GraphDatabaseAPI;
import org.neo4j.test.extension.DbmsExtension;
import org.neo4j.test.extension.Inject;

@DbmsExtension
public class RelationshipAccessRequireTransactionIT {
    @Inject
    private GraphDatabaseAPI databaseAPI;

    private InternalTransaction transaction;

    @BeforeEach
    void setUp() {
        transaction = (InternalTransaction) databaseAPI.beginTx();
    }

    @AfterEach
    void tearDown() {
        if (transaction != null) {
            transaction.close();
        }
    }

    @Test
    void deleteRelationshipRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::delete);
    }

    @Test
    void startNodeAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getStartNode);
    }

    @Test
    void endNodeAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getEndNode);
    }

    @Test
    void otherNodeAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, () -> relationship.getOtherNode(new NodeEntity(null, 7)));
    }

    @Test
    void nodesAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getNodes);
    }

    @Test
    void relationshipTypeAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getType);
    }

    @Test
    void relationshipTypeCheckAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, () -> relationship.isType(withName("any")));
    }

    @Test
    void startNodeIdAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getStartNodeId);
    }

    @Test
    void endNodeIdAccessRequireTransaction() {
        var relationship = detachedRelationship();
        assertThrows(NotInTransactionException.class, relationship::getEndNodeId);
    }

    private Relationship detachedRelationship() {
        var startNode = transaction.createNode();
        var endNode = transaction.createNode();
        var relationship = transaction.getRelationshipById(
                startNode.createRelationshipTo(endNode, withName("type")).getId());
        transaction.close();
        return relationship;
    }
}
