/*
* $Header: /home/cvs/jakarta-struts/src/test/org/apache/struts/validator/TestValidWhen.java,v 1.1 2004/09/03 18:12:26 niallp Exp $
* $Revision: 1.1 $
* $Date: 2004/09/03 18:12:26 $
*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.struts.validator;
import java.io.StringReader;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.struts.validator.validwhen.ValidWhenLexer;
import org.apache.struts.validator.validwhen.ValidWhenParser;
import org.apache.commons.validator.util.ValidatorUtils;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;
/**
* Unit tests for the ValidWhen Parser/Lexer.
*/
public class TestValidWhen extends TestCase {
/** All logging goes through this logger */
private static Log log = LogFactory.getLog(TestValidWhen.class);
protected PojoBean testBean;
/**
* Defines the testcase name for JUnit.
*
* @param theName the testcase's name.
*/
public TestValidWhen(String theName) {
super(theName);
}
/**
* Start the tests.
*
* @param theArgs the arguments. Not used
*/
public static void main(String[] theArgs) {
junit.awtui.TestRunner.main(
new String[] {TestValidWhen.class.getName()});
}
/**
* @return a test suite (<code>TestSuite</code>) that includes all methods
* starting with "test"
*/
public static Test suite() {
// All methods starting with "test" will be executed in the test suite.
return new TestSuite(TestValidWhen.class);
}
public void setUp() {
testBean = new PojoBean(123, 789);
testBean.setStringValue1("ABC");
testBean.setStringValue2(null);
testBean.setBeans(new PojoBean[] {new PojoBean(11, 12),
new PojoBean(21, 22),
new PojoBean(31, 42),
new PojoBean(41, 52),
new PojoBean(51, 62)});
testBean.setMapped("testKey", "mappedValue");
}
public void tearDown() {
testBean = null;
}
/**
* Test Operators.
*/
public void testProperty() {
// *this*
doParse("(*this* == 123)", testBean , 0, "intValue1", true);
// Named property
doParse("(intValue2 == 789)", testBean , 0, "intValue1", true);
// Indexed Property
doParse("(beans[].intValue1 == 21)", testBean , 1, "intValue1", true);
doParse("(beans[1].intValue1 == 21)", testBean , 4, "intValue1", true);
// Mapped Property - *** NOT SUPPORTED ***
// doParse("(mapped(mappedValue) == 'testKey')", testBean , 0, "mappedValue", true);
}
/**
* Test Operators.
*/
public void testOperators() {
// Equal
doParse("(*this* == 123)", testBean , 0, "intValue1", true);
// Not Equal
doParse("(*this* != 456)", testBean , 0, "intValue1", true);
// Less Than
doParse("(*this* < 456)", testBean , 0, "intValue1", true);
// Greater Than
doParse("(*this* > 100)", testBean , 0, "intValue1", true);
// Less Than Equal
doParse("(*this* <= 123)", testBean , 0, "intValue1", true);
// Greater Than Equal
doParse("(*this* >= 123)", testBean , 0, "intValue1", true);
}
/**
* Test String values.
*/
public void testString() {
doParse("(*this* != '--')", "XX", 0, "stringValue1", true);
doParse("(*this* == '--')", "--", 0, "stringValue1", true);
String testValue = "dsgUOLMdLsdL";
// single quote
doParse("(*this* == '" + testValue + "')", testValue, 0, "stringValue1", true);
// double quote
doParse("(*this* == \"" + testValue + "\")", testValue, 0, "stringValue1", true);
}
/**
* Test Numeric values.
*/
public void testNumeric() {
// Test Zero
PojoBean numberBean = new PojoBean(0, -50);
doParse("(intValue1 == 0)", numberBean, 0, "intValue1", true);
doParse("(intValue2 != 0)", numberBean, 0, "intValue2", true);
doParse("(integerValue1 == 0)", numberBean, 0, "integerValue1", true);
doParse("(integerValue2 != 0)", numberBean, 0, "integerValue2", true);
// int
doParse("(intValue1 == 123)", testBean , 0, "intValue1", true);
// Integer
doParse("(integerValue1 == 123)", testBean , 0, "integerValue1", true);
// Negative Numbers
doParse("((intValue2 < -10) and (intValue2 > -60))", numberBean, 0, "intValue2", true);
doParse("((integerValue2 < -10) and (integerValue2 > -60))", numberBean, 0, "integerValue2", true);
// Hex
doParse("(integerValue1 == 0x7B)", testBean , 0, "integerValue1", true);
// Octal
doParse("(integerValue1 == 0173)", testBean , 0, "integerValue1", true);
}
/**
* Test Null.
*/
public void testNull() {
// Not Null
doParse("(*this* != null)", testBean , 0, "stringValue1", true);
// Null
doParse("(*this* == null)", testBean , 0, "stringValue2", true);
}
/**
* Test Joined expressions ('and' or 'or')
*/
public void testJoined() {
// Join with 'or'
doParse("((*this* == 'ABC') or (stringValue2 == null))", testBean , 0, "stringValue1", true);
doParse("((*this* != 'ABC') or (stringValue2 == null))", testBean , 0, "stringValue1", true);
doParse("((*this* == 'ABC') or (stringValue2 != null))", testBean , 0, "stringValue1", true);
doParse("((*this* != 'ABC') or (stringValue2 != null))", testBean , 0, "stringValue1", false);
// Join with 'and'
doParse("((*this* == 'ABC') and (stringValue2 == null))", testBean , 0, "stringValue1", true);
doParse("((*this* != 'ABC') and (stringValue2 == null))", testBean , 0, "stringValue1", false);
doParse("((*this* == 'ABC') and (stringValue2 != null))", testBean , 0, "stringValue1", false);
doParse("((*this* != 'ABC') and (stringValue2 != null))", testBean , 0, "stringValue1", false);
}
/**
* Parse the expression and check that the expected result
* (either true or false) occurs - fail if an exception is thrown
* opr the wrong result occurs.
*
* @param test Test expression
* @param bean Test Bean
* @param index index value
* @param property Bean property
* @param expected Expected Result
*/
private void doParse(String test, Object bean, int index, String property, boolean expected) {
boolean result = false;
try {
result = doParse(test, bean, index, property);
} catch (Exception ex) {
log.error("Parsing " + test + " for property '"+property+"'", ex);
fail("Parsing " + test + " threw " + ex);
}
if (expected) {
assertTrue(test + " didn't return TRUE for " + property, result);
} else {
assertFalse(test + " didn't return FALSE for " + property, result);
}
}
/**
* Parse the expression and check that an Exception is throw.
* Failes if no expection is thrown.
*
* @param test Test expression
* @param bean Test Bean
* @param index index value
* @param property Bean property
*/
private void doParseFail(String test, Object bean, int index, String property) {
try {
boolean result = doParse(test, bean, index, property);
fail("Parsing " + test + " didn't throw exception as expected " + result);
} catch (Exception expected) {
// ignore exception - expected result
}
}
/**
* Parse the expression returning the result
*
* @param test Test expression
* @param bean Test Bean
* @param index index value
* @param property Bean property
*/
private boolean doParse(String test, Object bean, int index, String property) throws Exception {
if (bean == null) {
throw new NullPointerException("Bean is null for property '"+property+"'");
}
String value = String.class.isInstance(bean)
? (String)bean
: ValidatorUtils.getValueAsString(bean, property);
ValidWhenLexer lexer = new ValidWhenLexer(new StringReader(test));
ValidWhenParser parser = new ValidWhenParser(lexer);
parser.setForm(bean);
parser.setIndex(index);
parser.setValue(value);
parser.expression();
return parser.getResult();
}
}