/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.druid.bvt.sql.sqlserver;

import java.util.List;

import junit.framework.TestCase;

import org.junit.Assert;

import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerOutputVisitor;

public class SQLServerParameterizedOutputVisitorTest extends TestCase {

    public void test_simple() throws Exception {
        String sql = "select GEN_VAL " + //
                     "from ID_GENERATOR with (updlock, rowlock) " + //
                     "where GEN_NAME = 'T_USERS' AND FID = 3 AND FSTATE IN (1, 2, 3)"; //

        String expect = "SELECT GEN_VAL" + //
                        "\nFROM ID_GENERATOR WITH (updlock, rowlock)" + //
                        "\nWHERE GEN_NAME = ?" +
                        "\n\tAND FID = ?" +
                        "\n\tAND FSTATE IN (?)";

        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
        List<SQLStatement> stmtList = parser.parseStatementList();

        String text = outputSqlServer(stmtList);

        Assert.assertEquals(expect, text);
    }
    
    public static String outputSqlServer(List<SQLStatement> stmtList) {
        StringBuilder out = new StringBuilder();
        SQLServerOutputVisitor visitor = new SQLServerOutputVisitor(out, true);

        for (SQLStatement stmt : stmtList) {
            stmt.accept(visitor);
        }

        return out.toString();
    }
}