← Back to Learn
Career Development

Test the Fulfillment Side Effect, Not Just the Webhook Response

By Tom · DEV Community · 10/31/2026

A webhook handler can return a successful response twice and still create two warehouse pick tasks. An integration test should check the business side effect after a repeated delivery. This is a small runnable teaching example from YX Fulfillment, not a description of the company's production…

Read Full Article on DEV Community →

Full credit and content belongs to Tom and DEV Community. This page links to their original work — we never republish it.