/*
* $Id: TestValidWhen.java 504715 2007-02-07 22:10:26Z bayard $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.validator.util.ValidatorUtils;
import org.apache.struts.validator.validwhen.ValidWhenLexer;
import org.apache.struts.validator.validwhen.ValidWhenParser;
import java.io.StringReader;
/**
* 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);
// obscure characters
doParse("(*this* == \":\")", ":", 0,
"stringValue1", true);
doParse("(*this* == \"foo:bar\")", "foo:bar", 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 'String' numbers
PojoBean stringBean = new PojoBean("11", "2");
doParse("(stringValue1 > stringValue2)", stringBean, 0, "stringValue1",
true);
doParse("(stringValue1 < stringValue2)", stringBean, 0, "stringValue1",
false);
}
/**
* 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();
}
}