Just participated as one of the reviewers for "Angry Tests" by Yegor Bugayenko. This book is a practical guide to writing better tests, and I found it to be a valuable resource for anyone involved in software testing.
The idea behind the gem is to shorten long constant names that often appear as a project grows. Your services, models, and controllers get buried under deep namespaces, and typing them repeatedly becomes tedious. I'm a lazy developer, and I believe many of us are too.
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