/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* 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.epl.expression.ops;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.core.ExprNodeUtility;
import com.espertech.esper.epl.expression.core.ExprValidationException;
import com.espertech.esper.supportunit.bean.SupportBean;
import com.espertech.esper.supportunit.epl.SupportExprNode;
import com.espertech.esper.supportunit.epl.SupportExprNodeFactory;
import com.espertech.esper.supportunit.event.SupportEventBeanFactory;
import com.espertech.esper.util.support.SupportExprValidationContextFactory;
import junit.framework.TestCase;
public class TestExprInNode extends TestCase {
private ExprInNode inNodeNormal;
private ExprInNode inNodeNotIn;
public void setUp() throws Exception {
inNodeNormal = SupportExprNodeFactory.makeInSetNode(false);
inNodeNotIn = SupportExprNodeFactory.makeInSetNode(true);
}
public void testGetType() throws Exception {
assertEquals(Boolean.class, inNodeNormal.getExprEvaluator().getType());
assertEquals(Boolean.class, inNodeNotIn.getExprEvaluator().getType());
}
public void testValidate() throws Exception {
inNodeNormal = SupportExprNodeFactory.makeInSetNode(true);
inNodeNormal.validate(SupportExprValidationContextFactory.makeEmpty());
// No subnodes: Exception is thrown.
tryInvalidValidate(new ExprInNodeImpl(true));
// singe child node not possible, must be 2 at least
inNodeNormal = new ExprInNodeImpl(true);
inNodeNormal.addChildNode(new SupportExprNode(new Integer(4)));
tryInvalidValidate(inNodeNormal);
// test a type mismatch
inNodeNormal = new ExprInNodeImpl(true);
inNodeNormal.addChildNode(new SupportExprNode("sx"));
inNodeNormal.addChildNode(new SupportExprNode(4));
tryInvalidValidate(inNodeNormal);
}
public void testEvaluate() throws Exception {
assertFalse((Boolean) inNodeNormal.evaluate(makeEvent(0), false, null));
assertTrue((Boolean) inNodeNormal.evaluate(makeEvent(1), false, null));
assertTrue((Boolean) inNodeNormal.evaluate(makeEvent(2), false, null));
assertFalse((Boolean) inNodeNormal.evaluate(makeEvent(3), false, null));
assertTrue((Boolean) inNodeNotIn.evaluate(makeEvent(0), false, null));
assertFalse((Boolean) inNodeNotIn.evaluate(makeEvent(1), false, null));
assertFalse((Boolean) inNodeNotIn.evaluate(makeEvent(2), false, null));
assertTrue((Boolean) inNodeNotIn.evaluate(makeEvent(3), false, null));
}
public void testEquals() throws Exception {
ExprInNode otherInNodeNormal = SupportExprNodeFactory.makeInSetNode(false);
ExprInNode otherInNodeNotIn = SupportExprNodeFactory.makeInSetNode(true);
assertTrue(inNodeNormal.equalsNode(otherInNodeNormal, false));
assertTrue(inNodeNotIn.equalsNode(otherInNodeNotIn, false));
assertFalse(inNodeNormal.equalsNode(otherInNodeNotIn, false));
assertFalse(inNodeNotIn.equalsNode(otherInNodeNormal, false));
assertFalse(inNodeNotIn.equalsNode(SupportExprNodeFactory.makeCaseSyntax1Node(), false));
assertFalse(inNodeNormal.equalsNode(SupportExprNodeFactory.makeCaseSyntax1Node(), false));
}
public void testToExpressionString() throws Exception {
assertEquals("s0.intPrimitive in (1,2)", ExprNodeUtility.toExpressionStringMinPrecedenceSafe(inNodeNormal));
assertEquals("s0.intPrimitive not in (1,2)", ExprNodeUtility.toExpressionStringMinPrecedenceSafe(inNodeNotIn));
}
private EventBean[] makeEvent(int intPrimitive) {
SupportBean theEvent = new SupportBean();
theEvent.setIntPrimitive(intPrimitive);
return new EventBean[]{SupportEventBeanFactory.createObject(theEvent)};
}
private void tryInvalidValidate(ExprInNode exprInNode) throws Exception {
try {
exprInNode.validate(SupportExprValidationContextFactory.makeEmpty());
fail();
} catch (ExprValidationException ex) {
// expected
}
}
}