/*
* *************************************************************************************
* 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.std;
import com.espertech.esper.support.view.SupportStatementContextFactory;
import com.espertech.esper.support.epl.SupportExprNodeFactory;
import com.espertech.esper.support.event.SupportEventTypeFactory;
import com.espertech.esper.support.bean.SupportBean;
import com.espertech.esper.view.TestViewSupport;
import com.espertech.esper.view.ViewParameterException;
import junit.framework.TestCase;
public class TestUniqueByPropertyViewFactory extends TestCase
{
private UniqueByPropertyViewFactory factory;
public void setUp()
{
factory = new UniqueByPropertyViewFactory();
}
public void testSetParameters() throws Exception
{
tryParameter("longPrimitive", "longPrimitive");
tryInvalidParameter(1.1d);
}
public void testCanReuse() throws Exception
{
factory.setViewParameters(null, TestViewSupport.toExprListBean(new Object[] {"intPrimitive"}));
factory.attach(SupportEventTypeFactory.createBeanType(SupportBean.class), SupportStatementContextFactory.makeContext(), null, null);
assertFalse(factory.canReuse(new FirstElementView()));
assertTrue(factory.canReuse(new UniqueByPropertyView(SupportExprNodeFactory.makeIdentNodesBean("intPrimitive"), null)));
assertFalse(factory.canReuse(new UniqueByPropertyView(SupportExprNodeFactory.makeIdentNodesBean("intBoxed"), null)));
}
private void tryInvalidParameter(Object param) throws Exception
{
try
{
UniqueByPropertyViewFactory factory = new UniqueByPropertyViewFactory();
factory.setViewParameters(null, TestViewSupport.toExprListBean(new Object[] {param}));
factory.attach(SupportEventTypeFactory.createBeanType(SupportBean.class), SupportStatementContextFactory.makeContext(), null, null);
fail();
}
catch (ViewParameterException ex)
{
// expected
}
}
private void tryParameter(Object param, String fieldName) throws Exception
{
UniqueByPropertyViewFactory factory = new UniqueByPropertyViewFactory();
factory.setViewParameters(null, TestViewSupport.toExprListBean(new Object[] {param}));
factory.attach(SupportEventTypeFactory.createBeanType(SupportBean.class), SupportStatementContextFactory.makeContext(), null, null);
UniqueByPropertyView view = (UniqueByPropertyView) factory.makeView(SupportStatementContextFactory.makeAgentInstanceViewFactoryContext());
assertEquals(fieldName, view.getCriteriaExpressions()[0].toExpressionString());
}
}