/*
 * 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 org.junit.Assert;
import junit.framework.TestCase;

import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLCreateViewStatement;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;

public class SQLServerCreateTableTest extends TestCase {

    public void test_0() throws Exception {
        String sql = "CREATE VIEW [Current Product List] AS\n" + //
                     "SELECT ProductID,ProductName\n" + //
                     "FROM Products\n" + //
                     "WHERE Discontinued=No";

        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
        List<SQLStatement> statementList = parser.parseStatementList();
        SQLCreateViewStatement stmt = (SQLCreateViewStatement) statementList.get(0);

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

        SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
        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(1, visitor.getTables().size());
        Assert.assertEquals(4, visitor.getColumns().size());
        Assert.assertEquals(2, visitor.getConditions().size());

        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("Products")));

        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductID")));
        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductName")));
        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "Discontinued")));
        Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "No")));
    }
}