traffic inspection

Didi Tech

Jul 25, 2023 · Backend Development

Separating Test Traffic Trigger and Result Verification for Didi Ride‑Hailing Backend

By separating test‑traffic triggering from result verification, Didi’s ride‑hailing backend uses live‑traffic inspection and replayed offline tests with bucketed validation rules to achieve near‑zero‑cost, full‑coverage QA, catching hundreds of bugs annually and dramatically improving service reliability for drivers and passengers.