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From ge...@apache.org
Subject cvs commit: jakarta-commons-sandbox/jexl/src/test/org/apache/commons/jexl JexlTest.java
Date Fri, 26 Apr 2002 04:45:28 GMT
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 apache@apache.org.
   *
   * 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:geirm@apache.org">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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