Recently, I received a newsletter email from the founder of egghead.io. You can read the message on his blog. He explained, why they didn’t have a single test in their front-end applications. Many of the reasons and experience he described, resonated with me. Joel’s transparency and openness…
Recently I gave a talk on BerlinJS community event where I wanted to share my recent experience with Snapshot testing. Pretty sure, you heard that term since it recently popularized with Jest testing framework. Snapshot testing approach is not something new. First time I heard about it in famous…
TLDR; Do you express your wishes and expectations towards your team? If the answer is no, it is a sign that you lead or manage implicit. It is a natural habit that leaders and managers need to be aware of and handle it. Plan and express expectations towards your peers. Help and support everyone to…
Then snapshot (aka Characterized or Golden Master) testing approach is nothing more as keeping of the system state in “diffable” way, so if an intentional or unintentional change occurs, the test fails and showing the difference of expected and actual output. Because of that, snapshot testing is…
tldr; We suffered from JavaScript fatigue and created something like create-react-app for our Node.js projects. By wrapping tools like Babel, ESLint, or Prettier with an additional CLI we can set up and maintain tooling much easier. Earlier this year I heard about a new tool in the JavaScript…