Re: [TFUI] newbie wants to understand TFUI with jemmy

maraflux wrote:

> So I am trying my first "hands on" experience with
> TFUI using jemmy and the (extended) 
> example from Astels's "TDD: A Practical Guide,"
> chapter 10. So what I have now, as far as I 
> can see is a GUI that gets built by jemmy! My GUI
> doesn't exist in that I don't have an app 
> to run with it's own GUI. Yet I have tests that
> build and test a GUI. Seems quite strange to 
> me. 

Can you submit some sample code?

When I use TDD to create a small sample, I seems to be
an app I can use outside the test rig. If anyone wants
an app with a single button.


import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JPanel;

import org.netbeans.jemmy.*;
import org.netbeans.jemmy.operators.*;
import org.netbeans.jemmy.operators.JButtonOperator;

public class JemmyScenario implements Scenario {
    
    public static final class SampleApp extends
JFrame{
        public JButton m_button;
        
        public static void main(String[] argv) {
            new SampleApp().show();
            }
        private SampleApp() {
            super("Sample App");
            m_button = new JButton();
            JPanel rootPanel = (JPanel)
getContentPane();
            rootPanel.setLayout(new BorderLayout());
            rootPanel.add(m_button,
BorderLayout.CENTER);           
        }
    }
    
    public int runIt(Object param) {
    try {
        //start application
        SampleApp app = new SampleApp();
        new ClassReference(app).startApplication();
                
        //wait frame
        JFrameOperator mainFrame = new
JFrameOperator("Sample App");
        app.m_button.action(null, null);
        
        JButtonOperator opp = new
JButtonOperator(mainFrame, 0);
        opp.clickMouse();
    } catch(Exception e) {
        e.printStackTrace();
        return(1);
    }
    return(0);
    }
    public static void main(String[] argv) {
    String[] params = {"JemmyScenario"};
    org.netbeans.jemmy.Test.main(params);
    }
}

Someone farther up the Swing learning curve might be
able to add an assertion that proves the button got
clicked.

However, because targets of Jemmy must be in-JVM with
it, what does Jemmy provide that making our button
public and calling its action() method itself not
provide?

> I have yet to work through the other chapters, but I
> am guessing that I will slowly build the 
> same GUI for the app that I use jemmy to
> build/teardown. This seems like duplication. It 
> seems like a lot of extra work and the GUI tests
> will only be valid if I build the app's GUI in 
> the same way that I instruct jemmy to build it in
> the tests. I know there is the interface and 
> the MVC separation by passing the Editor/Controller
> the "view" and the "model" objects. 
> But somehow, this feels contrived as far as testing
> the GUI... I mean the app technically 
> has no GUI yet... do I really need to build/teardown
> a GUI to test the interface... isn't there 
> a way to build the app's actual GUI and test it !!!

My GUI is a private static class because I'm too lazy
to put it into another module. But if I weren't, we
could just use that GUI. I don't understand what you
have done with Jemmy to create a GUI that only Jemmy
can construct.

Recall the goal of TDD is adding tests, then adding
code, and I think I could do that here with or without
Jemmy. But the goal of Agility is to continuously grow
all features - including the model and controller of
your peri-GUI modules. So don't do whatever you did to
Jemmy for too long before ensuring that your
intermediate result can plug into the other two components.

=====
Phlip
    http://www.xpsd.org/cgi-bin/wiki?TestFirstUserInterfaces


	
		
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