/*
 * 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.
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package org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended;

import org.apache.shardingsphere.database.protocol.postgresql.packet.PostgreSQLPacket;
import org.apache.shardingsphere.database.protocol.postgresql.packet.command.query.extended.PostgreSQLColumnType;
import org.apache.shardingsphere.infra.hint.HintValueContext;
import org.junit.jupiter.api.Test;

import java.util.Arrays;
import java.util.Collections;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.is;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;

class PostgreSQLServerPreparedStatementTest {
    
    @Test
    void assertDescribeParameters() {
        assertNotNull(createPreparedStatement().describeParameters());
    }
    
    @Test
    void assertDescribeRows() {
        PostgreSQLServerPreparedStatement preparedStatement = createPreparedStatement();
        assertFalse(preparedStatement.describeRows().isPresent());
        preparedStatement.setRowDescription(mock(PostgreSQLPacket.class));
        assertTrue(preparedStatement.describeRows().isPresent());
    }
    
    @Test
    void assertAdjustParametersOrder() {
        PostgreSQLServerPreparedStatement preparedStatement = createPreparedStatement();
        assertThat(preparedStatement.adjustParametersOrder(Collections.emptyList()), is(Collections.emptyList()));
        assertThat(preparedStatement.adjustParametersOrder(Arrays.asList("first", "second")), contains("second", "first"));
    }
    
    private PostgreSQLServerPreparedStatement createPreparedStatement() {
        return new PostgreSQLServerPreparedStatement(
                "INSERT INTO t VALUES ($1, $2)", mock(), new HintValueContext(), Arrays.asList(PostgreSQLColumnType.INT4, PostgreSQLColumnType.VARCHAR), Arrays.asList(1, 0));
    }
}
