September 16, 2021
I’m often asked to help people improve the value of their root cause analysis (RCA). Here’s my most common advice. I include a RCA process to improve your software development and advice to make your analysis more effective.
January 10, 2020
New code has unit tests added as the code is created. If you are good, you write them before the code is created (TDD), but even if you don’t use TDD, get them done and merged into the master branch at the same time as the code. If you put it off it won’t happen — or it will be bad.
December 12, 2019
One of the companies produced “integration” tests for every component — which were clearly component tests. “Integration testing” has become such a generic term that companies often use it to mean component or API testing. We distinguish here because the investment size is different. You’ll want…
November 20, 2019
API testing checks the external interface of one or more components, while component testing tests the functionality of a single component.
November 11, 2019
With good unit tests, the code is much easier to modify. Unit tests help the most on the second and subsequent times you change the code, as it’s easy to know if you have broken basic functionality in seconds.
November 5, 2019
I’ve been engaged by five different companies to help them create a quality strategy.
October 29, 2019
In this article series, I’ll show you a test strategy I’ve used with several different companies to achieve high quality and productivity.
May 28, 2019
Equivalence classes are a set of input values that produce the same result.
May 27, 2019
Data driven testing solves the problem: “I want to try a bunch of different test values, but I don’t want to write a different test for each one.”
May 26, 2019
“Regression testing is doing the same thing over and over and expecting a different result.”
April 26, 2012
Lately, I have seen some confusion at the level of testing that should be done when a daily build is generated. How do we know that the daily build is ready for general consumption? What’s the difference between BVT and smoke testing?