/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
* *************************************************************************************
*/
package com.espertech.esper.view.window;
import com.espertech.esper.support.view.SupportStatementContextFactory;
import com.espertech.esper.view.TestViewSupport;
import com.espertech.esper.view.ViewParameterException;
import com.espertech.esper.view.std.FirstElementView;
import junit.framework.TestCase;
public class TestLengthBatchViewFactory extends TestCase
{
private LengthBatchViewFactory factory;
public void setUp()
{
factory = new LengthBatchViewFactory();
}
public void testSetParameters() throws Exception
{
tryParameter(new Object[] {Short.parseShort("10")}, 10);
tryParameter(new Object[] {100}, 100);
tryInvalidParameter("theString");
tryInvalidParameter(true);
tryInvalidParameter(1.1d);
tryInvalidParameter(0);
tryInvalidParameter(1000L);
}
public void testCanReuse() throws Exception
{
factory.setViewParameters(SupportStatementContextFactory.makeViewContext(), TestViewSupport.toExprListBean(new Object[] {1000}));
assertFalse(factory.canReuse(new FirstElementView()));
assertFalse(factory.canReuse(new LengthBatchView(null, factory, 1, null)));
assertTrue(factory.canReuse(new LengthBatchView(null, factory, 1000, null)));
}
private void tryInvalidParameter(Object param) throws Exception
{
try
{
factory.setViewParameters(SupportStatementContextFactory.makeViewContext(), TestViewSupport.toExprListBean(new Object[] {param}));
fail();
}
catch (ViewParameterException ex)
{
// expected
}
}
private void tryParameter(Object[] param, int size) throws Exception
{
LengthBatchViewFactory factory = new LengthBatchViewFactory();
factory.setViewParameters(SupportStatementContextFactory.makeViewContext(), TestViewSupport.toExprListBean(param));
LengthBatchView view = (LengthBatchView) factory.makeView(SupportStatementContextFactory.makeAgentInstanceViewFactoryContext());
assertEquals(size, view.getSize());
}
}