Blogs

News today history tomorrow

“I can train anyone to do the automation. This changes

what kind of skillset I need with an

automation tester. It’s very easy to

maintain when you have such a tool compared

to maintaining the direct Selenium code.”

– NIH

When to use Mocking – Manager’s edition

During our recent webinar on revisiting the test automation pyramid, an attendee named Stephen asked for some guidance on when mocking was good or bad. The good folks at Subject7 asked me to take a look at the question and offer my perspective. Mocking Defined A strict definition of a mock is a bit of

Read More

When Should You Rewrite or Retire a Test?

In the preface to his book Extreme Programming Explained, Kent Beck said that he likes teams to run fast. Design documents, technical specifications and anything that needs to be changed as the software changes create cruft. Cruft will either become outdated (and incorrect) over time, or else need to be maintained, and maintaining cruft slows

Read More

Should you Focus on Unit versus End-to-End Tests?

The best part of a presentation might just be the Q&A.  After all, that is the part where the material meets the actual life experiences of the audience.  About a month ago, we hosted a panel discussion titled “Revisiting the Test Automation Pyramid – 20 years later.”  The panel attracted a lot of great questions,

Read More

Performance Testing in the CI/CD Pipeline

You can skip the cup of coffee; this might be my shortest ever blog. Some have asked what you need to run performance testing in the CI/CD pipeline, and here’s my answer. To run performance testing in the CI/CD pipeline, all you need is to “just run the tests!” Well, except for a few minor nuances of course.

Read More

Smarter Simulations in Performance Testing

In my introduction to performance testing I mentioned two problems that stand in tension of each other. On one hand, you might make testing appear too simple. At the extreme end, this is just hitting a static web page frequently, and never actually hitting the parts of the website that require database lookups. The performance test

Read More

How to Start Performance Testing

Sometimes when people talk about a discipline, they make it harder than it needs to be.  This does not have to be on purpose.  When the aspiring performance tester starts out, they have to read a bunch of documentation, thick books with big words, and, frankly, figure out what works by trial and experiment.  As

Read More

Dev and Test – Switching Lanes?

In computer science we strive for more and more power. The way to do that is typically through reuse and high-level logic. Write a function, call it, reuse it, never write it again. In other words, Don’t Repeat Yourself (DRY). Sometimes it can be helpful to understand what is going on at lower levels. For me that

Read More