/*
 *
 * 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;

import org.dbunit.database.AmbiguousTableNameException;
import org.dbunit.dataset.xml.XmlDataSet;

import java.io.FileReader;

/**
 * @author Manuel Laflamme
 * @version $Revision: 398 $
 * @since Feb 22, 2002
 */
public class FilteredDataSetTest extends AbstractDataSetTest
{
    public FilteredDataSetTest(String s)
    {
        super(s);
    }

    protected IDataSet createDataSet() throws Exception
    {
        IDataSet dataSet1 = new XmlDataSet(
                new FileReader("src/xml/dataSetTest.xml"));
        IDataSet dataSet2 = new XmlDataSet(
                new FileReader("src/xml/filteredDataSetTest.xml"));

        IDataSet dataSet = new CompositeDataSet(dataSet1, dataSet2);
        assertEquals("count before filter", getExpectedNames().length + 1,
                dataSet.getTableNames().length);
        return new FilteredDataSet(getExpectedNames(), dataSet);
    }

    protected IDataSet createDuplicateDataSet() throws Exception
    {
        IDataSet dataSet1 = new XmlDataSet(
                new FileReader("src/xml/xmlDataSetDuplicateTest.xml"));
        IDataSet dataSet2 = new XmlDataSet(
                new FileReader("src/xml/filteredDataSetTest.xml"));

        IDataSet dataSet = new CompositeDataSet(dataSet1, dataSet2, false);
        assertEquals("count before filter", getExpectedDuplicateNames().length + 1,
                dataSet.getTableNames().length);
        return new FilteredDataSet(getExpectedDuplicateNames(), dataSet);
    }

    protected IDataSet createMultipleCaseDuplicateDataSet() throws Exception
    {
        String[] names = getExpectedDuplicateNames();
        names[0] = names[0].toLowerCase();

        return new FilteredDataSet(names, createDuplicateDataSet());
    }

    public void testGetFilteredTableNames() throws Exception
    {
        String[] originalNames = getExpectedNames();
        String expectedName = originalNames[0];
        IDataSet dataSet = createDataSet();
        assertTrue("original count", dataSet.getTableNames().length > 1);

        IDataSet filteredDataSet = new FilteredDataSet(new String[]{expectedName}, dataSet);
        assertEquals("filtered count", 1, filteredDataSet.getTableNames().length);
        assertEquals("filtered names", expectedName, filteredDataSet.getTableNames()[0]);
    }

    public void testGetFilteredTable() throws Exception
    {
        String[] originalNames = getExpectedNames();
        IDataSet filteredDataSet = new FilteredDataSet(
                new String[]{originalNames[0]}, createDataSet());


        for (int i = 0; i < originalNames.length; i++)
        {
            String name = originalNames[i];
            if (i == 0)
            {
                assertEquals("table " + i, name,
                        filteredDataSet.getTable(name).getTableMetaData().getTableName());
            }
            else
            {
                try
                {
                    filteredDataSet.getTable(name);
                    fail("Should throw a NoSuchTableException");
                }
                catch (NoSuchTableException e)
                {
                }
            }
        }
    }

    public void testGetFilteredTableMetaData() throws Exception
    {
        String[] originalNames = getExpectedNames();
        IDataSet filteredDataSet = new FilteredDataSet(
                new String[]{originalNames[0]}, createDataSet());


        for (int i = 0; i < originalNames.length; i++)
        {
            String name = originalNames[i];
            if (i == 0)
            {
                assertEquals("table " + i, name,
                        filteredDataSet.getTableMetaData(name).getTableName());
            }
            else
            {
                try
                {
                    filteredDataSet.getTableMetaData(name);
                    fail("Should throw a NoSuchTableException");
                }
                catch (NoSuchTableException e)
                {
                }
            }
        }
    }

    public void testGetDuplicateTableNames() throws Exception
    {
        IDataSet dataSet = createDuplicateDataSet();
        try
        {
            dataSet.getTableNames();
            fail("Should throw AmbiguousTableNameException");
        }
        catch (AmbiguousTableNameException e)
        {
        }
    }

    public void testGetDuplicateTables() throws Exception
    {
        IDataSet dataSet = createDuplicateDataSet();
        try
        {
            dataSet.getTables();
            fail("Should throw AmbiguousTableNameException");
        }
        catch (AmbiguousTableNameException e)
        {
        }
    }

    public void testReverseIteratorAndDuplicateTable() throws Exception
    {
        IDataSet dataSet = createDuplicateDataSet();
        try
        {
            dataSet.iterator();
            fail("Should throw AmbiguousTableNameException");
        }
        catch (AmbiguousTableNameException e)
        {
        }
    }

    public void testIteratorAndDuplicateTable() throws Exception
    {
        IDataSet dataSet = createDuplicateDataSet();
        try
        {
            dataSet.reverseIterator();
            fail("Should throw AmbiguousTableNameException");
        }
        catch (AmbiguousTableNameException e)
        {
        }
    }
}