
…were mature. That anecdote is what prompted me to write this article. In case there are any doubts, letting junior engineers code without senior engineers to review their work and guide them is equivalent to stashing time bombs all over the codebase.
What about tests for the container component? I don’t unit test container components. Instead, I use functional tests, which run in-browser and simulate user interactions with the actual UI, running end-to-end. You need both kinds of tests (unit and functional) in your application, and unit testing your conta…