/*
 * Copyright 1999-2018 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.mysql;

import com.alibaba.druid.DbType;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import junit.framework.TestCase;
import org.junit.Assert;

import java.util.List;

public class MySqlSetTest_3 extends TestCase {
    public void test_0() throws Exception {
        String sql = "SET sql_mode=?,NAMES ?,CHARACTER SET utf8,CHARACTER_SET_RESULTS=utf8,COLLATION_CONNECTION=?";

        MySqlStatementParser parser = new MySqlStatementParser(sql);
        List<SQLStatement> stmtList = parser.parseStatementList();
        SQLStatement stmt = stmtList.get(0);
//        print(stmtList);

        Assert.assertEquals(1, stmtList.size());

        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
        stmt.accept(visitor);

//        System.out.println("Tables : " + visitor.getTables());
//        System.out.println("fields : " + visitor.getColumns());
//        System.out.println("coditions : " + visitor.getConditions());
//        System.out.println("orderBy : " + visitor.getOrderByColumns());

        Assert.assertEquals(0, visitor.getTables().size());
        Assert.assertEquals(0, visitor.getColumns().size());
        Assert.assertEquals(0, visitor.getConditions().size());

        String text = SQLUtils.toMySqlString(stmt);

        Assert.assertEquals("SET sql_mode = ?, NAMES ?, CHARACTER SET utf8, CHARACTER_SET_RESULTS = utf8, COLLATION_CONNECTION = ?", text);
    }

    public void test_1() throws Exception {
        SQLUtils.parseSingleStatement("set names utf8mb4", "mysql");
        SQLUtils.parseSingleStatement("set names utf8mb4", (DbType) null);
    }
}
