JMeter example source code file (TestFunctor.java)

This example JMeter source code file (TestFunctor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

exception, functor, functor, illegalargumentexception, illegalargumentexception, illegalstateexception, object, should, string, string, test1, test1, test1a, test2, util

The JMeter TestFunctor.java source code

/*
 * 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.jorphan.reflect;

import java.util.Map;
import java.util.Properties;

import org.apache.jmeter.junit.JMeterTestCase;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.JMeterError;

/*
 * Unit tests for classes that use Functors
 * 
 */
public class TestFunctor extends JMeterTestCase {

    interface HasName {
        String getName();
    }
    
    interface HasString {
        String getString(String s);
    }

    class Test1 implements HasName {
        private final String name;
        public Test1(){
            this("");
        }
        public Test1(String s){
            name=s;
        }
        public String getName(){
            return name;
        }
        public String getString(String s){
            return s;
        }
    }
    class Test1a extends Test1{
        Test1a(){
            super("1a");
        }
        Test1a(String s){
            super("1a:"+s);
        }
        @Override
        public String getName(){
            return super.getName()+".";
        }
    }
    static class Test2 implements HasName, HasString {
        private final String name;
        public Test2(){
            this("");
        }
        public Test2(String s){
            name=s;
        }
        public String getName(){
            return name;
        }
        public String getString(String s){
            return s;
        }
    }
    
    public TestFunctor(String arg0) {
        super(arg0);
    }
    
    @Override
    public void setUp(){
        LoggingManager.setPriority("FATAL_ERROR",LoggingManager.removePrefix(Functor.class.getName()));     
    }

    public void testName() throws Exception{
        Functor f1 = new Functor("getName");
        Functor f2 = new Functor("getName");
        Functor f1a = new Functor("getName");
        Test1 t1 = new Test1("t1");
        Test2 t2 = new Test2("t2");
        Test1a t1a = new Test1a("aa");
        assertEquals("t1",f1.invoke(t1));
        //assertEquals("t1",f1.invoke());
        try {
            f1.invoke(t2);
            fail("Should have generated error");
        } catch (JMeterError e){
            
        }
        assertEquals("t2",f2.invoke(t2));
        //assertEquals("t2",f2.invoke());
        assertEquals("1a:aa.",f1a.invoke(t1a));
        //assertEquals("1a:aa.",f1a.invoke());
        try {
            f1a.invoke(t1);// can't call invoke using super class
            fail("Should have generated error");
        } catch (JMeterError e){
            
        }
        // OK (currently) to invoke using sub-class 
        assertEquals("1a:aa.",f1.invoke(t1a));
        //assertEquals("1a:aa.",f1.invoke());// N.B. returns different result from before
    }
    
    public void testNameTypes() throws Exception{
        Functor f = new Functor("getString",new Class[]{String.class});
        Functor f2 = new Functor("getString");// Args will be provided later
        Test1 t1 = new Test1("t1");
        assertEquals("x1",f.invoke(t1,new String[]{"x1"}));
        try {
            assertEquals("x1",f.invoke(t1));
            fail("Should have generated an Exception");
        } catch (JMeterError ok){
        }
        assertEquals("x2",f2.invoke(t1,new String[]{"x2"}));
        try {
            assertEquals("x2",f2.invoke(t1));
            fail("Should have generated an Exception");
        } catch (JMeterError ok){
        }
    }
    public void testObjectName() throws Exception{
        Test1 t1 = new Test1("t1");
        Test2 t2 = new Test2("t2");
        Functor f1 = new Functor(t1,"getName");
        assertEquals("t1",f1.invoke(t1));
        assertEquals("t1",f1.invoke(t2)); // should use original object
    }
    
    // Check how Class definition behaves
    public void testClass() throws Exception{
        Test1 t1 = new Test1("t1");
        Test1 t1a = new Test1a("t1a");
        Test2 t2 = new Test2("t2");
        Functor f1 = new Functor(HasName.class,"getName");
        assertEquals("t1",f1.invoke(t1));
        assertEquals("1a:t1a.",f1.invoke(t1a));
        assertEquals("t2",f1.invoke(t2));
        try {
            f1.invoke();
            fail("Should have failed");
        } catch (IllegalStateException ok){
            
        }
        Functor f2 = new Functor(HasString.class,"getString");
        assertEquals("xyz",f2.invoke(t2,new String[]{"xyz"}));
        try {
            f2.invoke(t1,new String[]{"xyz"});
            fail("Should have failed");
        } catch (JMeterError ok){
            
        }
        Functor f3 = new Functor(t2,"getString");
        assertEquals("xyz",f3.invoke(t2,new Object[]{"xyz"}));
        
        Properties p = new Properties();
        p.put("Name","Value");
        Functor fk = new Functor(Map.Entry.class,"getKey");
        Functor fv = new Functor(Map.Entry.class,"getValue");
        Object o = p.entrySet().iterator().next();
        assertEquals("Name",fk.invoke(o));
        assertEquals("Value",fv.invoke(o));
    }
    
    public void testBadParameters() throws Exception{
        try {
            new Functor(null);
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(null,new Class[]{});
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(null,new Object[]{});
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(String.class,null);
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(new Object(),null);
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(new Object(),null, new Class[]{});
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
        try {
            new Functor(new Object(),null, new Object[]{});
            fail("should have generated IllegalArgumentException;");
        } catch (IllegalArgumentException ok){}
    }
    public void testIllegalState() throws Exception{
        Functor f = new Functor("method");
        try {
            f.invoke();
            fail("should have generated IllegalStateException;");
        } catch (IllegalStateException ok){}        
        try {
            f.invoke(new Object[]{});
            fail("should have generated IllegalStateException;");
        } catch (IllegalStateException ok){}        
    }
}