The engineering notebook
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Articles, practical guides, and engineering notes on jest.
By Ashish Bhakhand 108 published articles
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2 articles
Reset filtersDeterministic Tests by Injecting Time and IDs
Replace hidden calls to the clock and random UUID generator with tiny dependencies that make Jest tests exact and repeatable.
Testing Business Logic Without AWS or MongoDB
Use Jest and repository ports to test decisions directly, without building fake Lambda events or connecting to a database.