sqlexpressiontest.java

torque服务器源代码

package org.apache.torque.util;

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import java.lang.reflect.Array;

import junit.framework.TestCase;

import org.apache.torque.adapter.DB;
import org.apache.torque.adapter.DBFactory;

/**
 * Tests for SqlExpression
 * 
 * @author <a href="mailto:[e-mail]">Martin Poeschl</a>
 * @version $Id: SqlExpressionTest.java,v 1.2 2003/08/27 22:50:11 mpoeschl Exp $
 */
public class SqlExpressionTest extends TestCase
{
    private DB db = null;
    

	/**
	 * Constructor for SqlExpressionTest.
	 * @param arg0
	 */
	public SqlExpressionTest(String arg0)
	{
		super(arg0);
	}

    /**
     * set up environment
     */
    public void setUp()
    {
        try
        {
            db = DBFactory.create("mysql");
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
    }

	/**
	 * Test for String buildInnerJoin(String, String)
	 */
	public void testBuildInnerJoinStringString()
	{
        String result = SqlExpression.buildInnerJoin("TA.COLA", "TB.COLB");
        assertEquals(result, "TA.COLA=TB.COLB");
	}

	/**
	 * Test for String buildInnerJoin(String, String, boolean, DB)
	 */
	public void testBuildInnerJoinStringStringbooleanDB()
	{
        String result = SqlExpression.buildInnerJoin("TA.COLA", "TB.COLB", 
                true, db);
        assertEquals(result, "TA.COLA=TB.COLB");
	}

	/**
	 * Test for String buildIn(String, Object, SqlEnum, boolean, DB)
	 */
	public void testBuildInStringObjectSqlEnumbooleanDB()
	{
        String[] values = new String[] { "42", "43", "44" };
        String result = SqlExpression.buildIn("COL", values, SqlEnum.IN, 
                true, db);
        assertEquals(result, "COL IN ('42','43','44')");
	}
    
    public void testLargeBuildInStringObjectSqlEnumbooleanDB()
    {
        int size = 10000;
        String[] values = new String[size];
        for (int i = 0; i < size; i++)
        {
            Array.set(values, i, String.valueOf(i));
        }
        long start = System.currentTimeMillis();
        String result = SqlExpression.buildIn("COL", values, SqlEnum.IN, 
                true, db);
        long end =  System.currentTimeMillis();
        System.out.println("large buildIn: " + (end - start));
    }
    
}