SQLParserDelegateTest.java

/*
 * Copyright 1999-2012 Alibaba Group.
 * 
 * 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.
 */
/**
 * (created at 2012-3-13)
 */
package fm.liu.timo.parser.recognizer;

import java.sql.SQLSyntaxErrorException;
import fm.liu.timo.parser.ast.stmt.SQLStatement;
import fm.liu.timo.parser.ast.stmt.dml.DMLSelectStatement;
import fm.liu.timo.parser.recognizer.SQLParserDelegate;
import fm.liu.timo.parser.recognizer.mysql.syntax.AbstractSyntaxTest;
import junit.framework.Assert;

/**
 * @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
 */
public class SQLParserDelegateTest extends AbstractSyntaxTest {

    public void testProperlyEnd() throws SQLSyntaxErrorException {
        String sql = "select * from tb1;";
        SQLStatement stmt = SQLParserDelegate.parse(sql);
        Assert.assertEquals(DMLSelectStatement.class, stmt.getClass());

        sql = "select * from tb1 ;;;  ";
        stmt = SQLParserDelegate.parse(sql);
        Assert.assertEquals(DMLSelectStatement.class, stmt.getClass());

        sql = "select * from tb1 /***/  ";
        stmt = SQLParserDelegate.parse(sql);
        Assert.assertEquals(DMLSelectStatement.class, stmt.getClass());

        sql = "select * from tb1 ,  ";
        try {
            stmt = SQLParserDelegate.parse(sql);
            Assert.fail("should detect inproperly end");
        } catch (SQLSyntaxErrorException e) {}

        sql = "select * from tb1 ;,  ";
        try {
            stmt = SQLParserDelegate.parse(sql);
            Assert.fail("should detect inproperly end");
        } catch (SQLSyntaxErrorException e) {}

    }
}