/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.shardingsphere.proxy.backend.handler.tcl.local.type;

import org.apache.shardingsphere.proxy.backend.connector.jdbc.transaction.ProxyBackendTransactionManager;
import org.apache.shardingsphere.proxy.backend.response.header.ResponseHeader;
import org.apache.shardingsphere.proxy.backend.response.header.update.UpdateResponseHeader;
import org.apache.shardingsphere.sql.parser.statement.core.statement.type.tcl.TCLStatement;
import org.junit.jupiter.api.Test;
import org.mockito.MockedConstruction;

import java.sql.SQLException;

import static org.hamcrest.Matchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.mockConstruction;
import static org.mockito.Mockito.verify;

class RollbackProxyBackendHandlerTest {
    
    @Test
    void assertExecuteRollbackAndReturnUpdateResponseHeader() throws SQLException {
        TCLStatement sqlStatement = mock(TCLStatement.class);
        try (MockedConstruction<ProxyBackendTransactionManager> mockedConstruction = mockConstruction(ProxyBackendTransactionManager.class)) {
            RollbackProxyBackendHandler handler = new RollbackProxyBackendHandler(sqlStatement, mock());
            ResponseHeader actual = handler.execute();
            ProxyBackendTransactionManager transactionManager = mockedConstruction.constructed().get(0);
            verify(transactionManager).rollback();
            assertThat(((UpdateResponseHeader) actual).getSqlStatement(), is(sqlStatement));
        }
    }
}
