geirm 02/04/25 21:45:28 Added: jexl/src/test/org/apache/commons/jexl JexlTest.java Log: Basic expression tests Revision Changes Path 1.1 jakarta-commons-sandbox/jexl/src/test/org/apache/commons/jexl/JexlTest.java Index: JexlTest.java =================================================================== /* * The Apache Software License, Version 1.1 * * Copyright (c) 2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Commons", "Jexl" and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.commons.jexl; import junit.framework.TestCase; import junit.framework.Test; import junit.framework.TestSuite; import org.apache.commons.jexl.parser.Parser; import org.apache.commons.jexl.parser.SimpleNode; import org.apache.commons.jexl.Expression; import org.apache.commons.jexl.ExpressionFactory; import java.io.StringReader; import java.util.ArrayList; import java.util.List; import java.util.HashMap; import java.util.Map; /** * Simple testcases * * @author <a href="mailto:[EMAIL PROTECTED]";>Geir Magnusson Jr.</a> * @version $Id: JexlTest.java,v 1.1 2002/04/26 04:45:28 geirm Exp $ */ public class JexlTest extends TestCase { protected static final String METHOD_STRING = "Method string"; protected static final String GET_METHOD_STRING = "GetMethod string"; public static Test suite() { return new TestSuite(JexlTest.class); } public JexlTest(String testName) { super(testName); } /** * test a simple property expression */ public void testProperty() throws Exception { /* * tests a simple property expression */ Expression e = ExpressionFactory.createExpression("foo.bar"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); Object o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("o incorrect", o.equals(GET_METHOD_STRING)); } /** * test a simple method expression */ public void testMethod() throws Exception { /* * tests a simple method expression */ Expression e = ExpressionFactory.createExpression("foo.bar()"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); Object o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("o incorrect", o.equals(METHOD_STRING)); } /** * test a simple method expression */ public void testArrayAccess() throws Exception { Expression e = ExpressionFactory.createExpression("list[1]"); JexlContext jc = JexlHelper.createContext(); /* * test List access */ List l = new ArrayList(); l.add(new Integer(1)); l.add(new Integer(2)); l.add(new Integer(3)); jc.getVars().put("list", l); Object o = e.evaluate(jc); assertTrue("o not instanceof Integer", o instanceof Integer); assertTrue("o incorrect", o.equals(new Integer(2))); e = ExpressionFactory.createExpression("list[1+1]"); o = e.evaluate(jc); assertTrue("o not instanceof Integer", o instanceof Integer); assertTrue("o incorrect", o.equals(new Integer(3))); e = ExpressionFactory.createExpression("list[loc+1]"); jc.getVars().put("loc", new Integer(1)); o = e.evaluate(jc); assertTrue("o not instanceof Integer", o instanceof Integer); assertTrue("o incorrect", o.equals(new Integer(3))); /* * test array access */ String[] args = {"hello", "there"}; jc.getVars().put("array", args); e = ExpressionFactory.createExpression("array[0]"); o = e.evaluate(jc); assertTrue("array[0]", o.equals("hello")); /* * test map access */ Map m = new HashMap(); m.put("foo", "bar"); jc.getVars().put("map", m); jc.getVars().put("key", "foo"); e = ExpressionFactory.createExpression("map[\"foo\"]"); o = e.evaluate(jc); assertTrue("map[foo]", o.equals("bar")); e = ExpressionFactory.createExpression("map[key]"); o = e.evaluate(jc); assertTrue("map[key]", o.equals("bar")); /* * test bean access */ jc.getVars().put("foo", new Foo()); e = ExpressionFactory.createExpression("foo[\"bar\"]"); o = e.evaluate(jc); assertTrue("foo['bar']", o.equals(GET_METHOD_STRING)); } public void testMulti() throws Exception { /* * tests a simple property expression */ Expression e = ExpressionFactory.createExpression("foo.innerFoo.bar()"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); Object o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("o incorrect", o.equals(METHOD_STRING)); } public void testBoolean() throws Exception { Expression e = ExpressionFactory.createExpression("foo.convertBoolean(a==b)"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); jc.getVars().put("a", Boolean.TRUE); jc.getVars().put("b", Boolean.FALSE); Object o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("1 : o incorrect", o.equals("Boolean : false")); e = ExpressionFactory.createExpression("foo.convertBoolean(a==true)"); o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("2 : o incorrect", o.equals("Boolean : true")); e = ExpressionFactory.createExpression("foo.convertBoolean(a==false)"); o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("3 : o incorrect", o.equals("Boolean : false")); e = ExpressionFactory.createExpression("foo.convertBoolean(true==false)"); o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("4 : o incorrect", o.equals("Boolean : false")); e = ExpressionFactory.createExpression("true eq false"); o = e.evaluate(jc); assertTrue("true eq false", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("true ne false"); o = e.evaluate(jc); assertTrue("true ne false", o.equals(Boolean.TRUE)); } public void testStringLit() throws Exception { /* * tests a simple property expression */ Expression e = ExpressionFactory.createExpression("foo.get(\"woogie\")"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); Object o = e.evaluate(jc); assertTrue("o not instanceof String", o instanceof String); assertTrue("o incorrect", o.equals("Repeat : woogie")); } public void testExpression() throws Exception { Expression e = ExpressionFactory.createExpression("a == b"); JexlContext jc = JexlHelper.createContext(); jc.getVars().put("foo", new Foo() ); jc.getVars().put("a", Boolean.TRUE); jc.getVars().put("b", Boolean.FALSE); jc.getVars().put("num", new Integer(5)); Object o = e.evaluate(jc); assertTrue("1 : o incorrect", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("a==true"); o = e.evaluate(jc); assertTrue("2 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("a==false"); o = e.evaluate(jc); assertTrue("3 : o incorrect", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("true==false"); o = e.evaluate(jc); assertTrue("4 : o incorrect", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("num < 3"); o = e.evaluate(jc); assertTrue("5 : o incorrect", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("num <= 5"); o = e.evaluate(jc); assertTrue("6 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("num >= 5"); o = e.evaluate(jc); assertTrue("7 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("num > 4"); o = e.evaluate(jc); assertTrue("8 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("\"foo\" + \"bar\" == \"foobar\""); o = e.evaluate(jc); assertTrue("9 : o incorrect", o.equals(Boolean.TRUE)); } public void testEmpty() throws Exception { JexlContext jc = JexlHelper.createContext(); jc.getVars().put("string", ""); jc.getVars().put("array", new Object[0]); jc.getVars().put("map", new HashMap()); jc.getVars().put("list", new ArrayList()); jc.getVars().put("longstring", "thingthing"); /* * I can't believe anyone thinks this is a syntax.. :) */ Expression e = ExpressionFactory.createExpression("empty nullthing"); Object o = e.evaluate(jc); assertTrue("1 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("empty string"); o = e.evaluate(jc); assertTrue("2 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("empty array"); o = e.evaluate(jc); assertTrue("3 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("empty map"); o = e.evaluate(jc); assertTrue("4 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("empty list"); o = e.evaluate(jc); assertTrue("5 : o incorrect", o.equals(Boolean.TRUE)); e = ExpressionFactory.createExpression("empty longstring"); o = e.evaluate(jc); assertTrue("6 : o incorrect", o.equals(Boolean.FALSE)); e = ExpressionFactory.createExpression("not empty longstring"); o = e.evaluate(jc); assertTrue("7 : o incorrect", o.equals(Boolean.TRUE)); } public void testSize() throws Exception { JexlContext jc = JexlHelper.createContext(); jc.getVars().put("string", "five!"); jc.getVars().put("array", new Object[5]); Map map = new HashMap(); map.put("1", new Integer(1)); map.put("2", new Integer(2)); map.put("3", new Integer(3)); map.put("4", new Integer(4)); map.put("5", new Integer(5)); jc.getVars().put("map", map); List list = new ArrayList(); list.add(""); list.add(""); list.add(""); list.add(""); list.add(""); jc.getVars().put("list", list); Expression e = ExpressionFactory.createExpression("size(string)"); Object o = e.evaluate(jc); assertTrue("1 : o incorrect", o.equals(new Integer(5))); e = ExpressionFactory.createExpression("size(array)"); o = e.evaluate(jc); assertTrue("2 : o incorrect", o.equals(new Integer(5))); e = ExpressionFactory.createExpression("size(map)"); o = e.evaluate(jc); assertTrue("3 : o incorrect", o.equals(new Integer(5))); e = ExpressionFactory.createExpression("size(list)"); o = e.evaluate(jc); assertTrue("4 : o incorrect", o.equals(new Integer(5))); } public class Foo { public String bar() { return METHOD_STRING; } public String getBar() { return GET_METHOD_STRING; } public Foo getInnerFoo() { return new Foo(); } public String get(String arg) { return "Repeat : " + arg; } public String convertBoolean(boolean b) { return "Boolean : " + b; } } }
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