cdn-cache-purge-tests

Overview

CDN cache-purge tests verify that the write-origin-then-invalidate-edge sequence works end-to-end - the most-likely-broken cache integration in real deployments.

Per developers.cloudflare.com/cache/how-to/purge-cache/, Cloudflare offers five purge methods (Single-file, Everything, Cache-tags, Hostname, Prefix). Fastly's surrogate-key pattern and CloudFront's invalidation API offer similar shapes.

When to use