Category Archives: Learning

A musing post

Some readers might wonder about the fact that I tweeted Lisa. Yes, the Lisa from the testing books. And yes, Janet was the other author.

Was this a typical case about courage? Nope.

If you would ask me, that I would use Twitter 5 years ago, then my answer would be: “No way”.

Today Twitter is my way to get updates from the testing community.

I want to stress that my tweet to Lisa is not about ‘Don’t fear your peer’.

I just grew.

Is it possible to find new ways of testing in a tester infected country like the Netherlands? Sure.
But there are already so many test methodologies and specialists.
So what?

Hark! The testing muses sing
[On the melody of ‘Hark! The Herald angels sing’ ]

An artist gets her or his inspiration from a muse. Some readers might think about a person, whose mere presence brings music or words in her or his mind.

For testing there are other muses. Do they sing Mozart? I do not know.

A muse like Lisa tweets. She writes.

Hark! The testing muses write
[On the melody of ‘Hark! The Herald angels sing’ ]

At this moment one muse Katrina is writing a book. The announcement led to great excitement in the testing community. And she blogs.

Read the stuff the muses wrote
[On the melody of ‘Hark! The Herald angels sing’ ]

I read posts from Maaret, a rather influential one. I read posts and books from Elisabeth, Alan, and Jerry.

I just grew.

An Appendix to Visual Testing

Last weeks I read some blogs, which I will incorporate in my workshop at TestBash NL. As you might have read, it is about visual testing.

I combined my thoughts and experiences with the ideas from blogs of my testing muses.

Now I am in the editing phase for my workshop: figuring out some logic in my slides, creating mind maps for structure, and using insights from sketchnotes.

It was and is a wonderful journey. (Hark! The muses co-create.)
Thanks for the invitation, Rosie and Huib. Other testing muses indeed.

I just grew.

Teaching = Learning

This week I sent 2 proposals for the Spring Event to TestNet, the Dutch Special Interest Group in Software Testing. One was for a presentation for 3 quarters of an hour, the other one for a workshop of 1 and a 1/2 hour. The process of writing proposals was time consuming and intense. My proposals will be rated and then ranked against the other proposals. Finally I will be notified, whether I have a speaker slot.

In 1992 I went to my first Dutch Juggling Convention. I was thrilled; I would be performing in the Public Show. It had taken me months to acquire the Blow Off Your Socks level of juggling. (I still dropped my juggling prop though.) The first part of the convention was a long warming up for my act.

On the first day I walked in the gym. I noticed a few people juggling, but a big white paper sheet drew my attention. It was a table. On one side time slots were mentioned, on the other workshop areas. 2 or 3 workshops had been filled in.  A marker was hanging on a string.

I am still amused, how simple it is to book a workshop for myself on a juggling convention. No rating, no ranking. Just write down my name, juggling prop, and level. Or one name and two nouns. (The only exception I experienced is an International Juggling Association convention, but that is another story.)

There are many possible reasons, why I signed up to give a workshop. I only wanted to share knowledge about juggling. My favourite juggling prop is the devilstick. Wouldn’t it be great, if there were more good jugglers with a devilstick? So this workshop was not planned. A coincidence to happen.

If there is a huge juggling convention which cannot be ignored by a mainstream juggler, then it is the European one. My first European Juggling Convention was in Leeds. This time I came fully prepared. I had rehearsed two workshops for devilsticking in English, which definitely differs from my native language Dutch. The schedule of each workshop I had written down and memorised. And the tricks and combinations were still evolving during my preparations. The most difficult part was to locate the workshop schedule. You still remember that big white thing on the wall attached to a marker. I had planned two workshops, but gave a total of 3 workshops. Good response can be a nudge in the right direction.

Looking back I notice exciting patterns:

  • Determine the biggest step people can take and still follow me.
    [Blank faces.]
  • Discover and share new tricks and combinations, because attendees love them.
    “Did you write a book?”

The most important thing I learned was to observe the attendees. A struggle with the devilstick triggered the reaction: I had either been unclear or combined too many movements. So their struggle became my struggle. By dissecting my juggling tricks for my workshop pupils I learned more than I imagined. I determined the elementary movements to make more combinations.

Once a young woman was impressed by my flurry of movements of the devilstick. Then a man remarked dryly: “He is just combining a few little tricks.”

Let’s go back to testing. It is my way to earn my living after all. In one consultancy company I had to earn my place as a teacher or workshop leader. I spoke with several colleagues about test courses. Yes, they were looking for new teachers. My pitch was: “I have more than 15 year of experience with giving workshops in juggling.”

In the meantime I started to teach mind mapping to my colleagues. The whole process of dissection repeated for me: why do you add branches clockwise? What is a fast way to make a mind map? A lot of questions, which bothered the attendees. I learned to mind map according to the rules, but also using mind map programs working around their restrictions.
BTW I wrote this post using a mind map program while commuting. I moved and added branches to make this a compelling story. Hopefully.

My pitch became: “I have experience with teaching mind maps to colleagues in our company. These are my scores from their feedback.”

Once I had a funny insight to illustrate testing Virtual Reality with juggling. I had one brilliant test idea to start with. My colleagues were supportive and a Bit sceptic (with a capital B). To everyone’s surprise my proposal was accepted in 2008. The preparation gave me lots of energy and inspiration. What is a good test idea and why? Let me break it down for you and show it to you with Real Life juggling.

Then I noticed that there were more people willing to speak than available speaker slots in a test conference. As you might have guessed: I did not speak at many test conferences.

I started to miss the thoughts in my head breaking down my testing examples and improving them. So I began to experiment on my work, but that was not enough.

Why not start a blog and write about mind mapping, SFDIPOT, and 2 screens?  Wouldn’t it be great, if there are more good testers? So this blog post was not planned. A coincidence to happen.

 

Losing gracefully

“Han Toan, something has to be tested.”
I got a short briefing, csv files and decent specifications. A senior tester and I had to test an interface. He started sprinting: opening a csv file and logging bugs. I froze. No time for writing test cases and reviewing them. I confessed to the tester, that I was uncomfortable with the situation. I tested a csv file, but I was losing gracefully.

Theory and practice revisited

The following text is translation of a text I found in a Dutch farm:

“Theory is: if one knows everything and nothing is right.

Practice is: if everything functions and nobody knows why.

In this company theory and practice are combined.

Nothing is right and nobody knows why.”

Learning to win

One evening I was playing Skip-Bo with my wife. My plan was to lose gracefully. So I forced myself to play the wrong cards. Her position in the game improved gradually. She was happy, so was I.

After a while I was holding too many good cards in my hand. There was no way, that I could hide them for long. I would either win or lose awkwardly. The last option was worse than the first one.

In the months after this clumsy situation I tried to repeat the steps during other games. What was the first wrong move I made? What were my following strange steps? Based on my observations I was able to extract a single rule to win or heuristic.

I think, that I might be able to find scientific evidence for my heuristic. But I chose not to, because it worked. That was my goal.

No log in required
During an afternoon session James Bach told about testing without scripts. He was in a hotel lobby and saw a computer. He described the techniques and heuristics he used to get access to this computer. At the end he succeeded.  

I was in the library. Killing my time with browsing newspaper articles. But that was not exciting after a while. I had an appointment within half an hour. In the meantime there should be something to be tested. I was still staring at the computer, when I remembered the story of James.

The computer environment had 2 access levels for normal users. A guest could use only basic functions, which were also limited. I did not have a library subscription, which would grant me a time slot to use standard office software and the browser. I could buy a time slot, but that would lower the challenge.

So I started testing the applications. There were many search engines for news and books. Then I noticed, that I could open the browser. It did not take me much time to go the download area. A document with Resume in the title drew my attention. I expected an error message, when I would attempt to open the file.

Then I actually opened the file. I had access to Word. And to personal data like name, address, birth day, …. I got more information than I had anticipated.

It was time to inform the information desk about this particular situation. One of the women acted adequately:
“Did you log in?”
“No. I did not log in.”
One brief look on the computer screen made her check the other computers in the library. She asked me the steps to reproduce the error. After my answer she continued with:
“After logging out the cache should be cleared. I’ll contact the system administrator about this situation. ”

I went back to the computer, which still showed the resume. I closed it. Then I noticed, that a pdf reader had been installed on the PC. One of the recently opened files contained passport in the name. One click gave me a high resolution full colour scan of a passport including social security number and picture of a fellow citizen.

I had made a little start. To explore in unknown environment. Without a script.