forwardonlytabletest.java

采用 Java 编写的数据库系统单元测试程序。

/*
 *
 * The DbUnit Database Testing Framework
 * Copyright (C)2002-2004, DbUnit.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
package org.dbunit.dataset;

/**
 * @author Manuel Laflamme
 * @since Apr 11, 2003
 * @version $Revision: 398 $
 */
public class ForwardOnlyTableTest extends DefaultTableTest
{
    public ForwardOnlyTableTest(String s)
    {
        super(s);
    }

    protected ITable createTable() throws Exception
    {
        return new ForwardOnlyTable(super.createTable());
    }

    public void testGetRowCount() throws Exception
    {
        try
        {
            createTable().getRowCount();
            fail("Should have throw UnsupportedOperationException");
        }
        catch (UnsupportedOperationException e)
        {

        }
    }

    public void testGetValueRowBounds() throws Exception
    {
        int[] rows = new int[]{ROW_COUNT, ROW_COUNT + 1};
        ITable table = createTable();
        String columnName = table.getTableMetaData().getColumns()[0].getColumnName();

        for (int i = 0; i < rows.length; i++)
        {
            try
            {
                table.getValue(rows[i], columnName);
                fail("Should throw a RowOutOfBoundsException!");
            }
            catch (RowOutOfBoundsException e)
            {
            }
        }
    }

    public void testGetValueIterateBackward() throws Exception
    {
        ITable table = createTable();
        for (int i = 0; i < ROW_COUNT; i++)
        {
            for (int j = 0; j < COLUMN_COUNT; j++)
            {
                String columnName = "COLUMN" + j;
                String expected = "row " + i + " col " + j;
                Object value = table.getValue(i, columnName);
                assertEquals("value", expected, value);
            }

            // Try access values from previous row
            for (int j = 0; j < COLUMN_COUNT; j++)
            {
                String columnName = "COLUMN" + j;
                try
                {
                    table.getValue(i - 1, columnName);
                }
                catch (UnsupportedOperationException e)
                {

                }
            }
        }
    }

    public void testGetValueOnEmptyTable() throws Exception
    {
        MockTableMetaData metaData =
                new MockTableMetaData("TABLE", new String[] {"C1"});
        ITable table = new ForwardOnlyTable(new DefaultTable(metaData));
        try
        {
            table.getValue(0, "C1");
            fail("Should have throw RowOutOfBoundsException");
        }
        catch (RowOutOfBoundsException e)
        {

        }
    }

}