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[READ-ONLY] Mirror of https://github.com/openstatusHQ/openstatus. 🫖 Status page with uptime monitoring & API monitoring as code 🫖 openstatus.dev
bun drizzle-orm monitoring monitoring-as-code nextjs observability on-call open-source shadcn-ui status-page statuspage synthetic-monitoring tinybird turso uptime uptime-checker uptime-monitor
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4.9 kB · 159 lines
TypeScript
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import { normalizeCacheStatus } from "./normalize-cache-status";
describe("cloudflare", () => { for (const [raw, status] of [ ["HIT", "HIT"], ["MISS", "MISS"], ["EXPIRED", "EXPIRED"], ["STALE", "STALE"], ["UPDATING", "STALE"], ["REVALIDATED", "HIT"], ["BYPASS", "BYPASS"], ["DYNAMIC", "DYNAMIC"], ] as const) { test(`cf-cache-status: ${raw} -> ${status}`, () => { const result = normalizeCacheStatus({ "Cf-Cache-Status": raw }); expect(result.status).toBe(status); expect(result.source).toBe("cf-cache-status"); expect(result.raw).toBe(raw); }); }});
describe("vercel", () => { for (const [raw, status] of [ ["HIT", "HIT"], ["MISS", "MISS"], ["STALE", "STALE"], ["PRERENDER", "HIT"], ["REVALIDATED", "HIT"], ["BYPASS", "BYPASS"], ] as const) { test(`x-vercel-cache: ${raw} -> ${status}`, () => { const result = normalizeCacheStatus({ "X-Vercel-Cache": raw }); expect(result.status).toBe(status); expect(result.source).toBe("x-vercel-cache"); }); }});
describe("cloudfront / fastly / akamai (x-cache)", () => { for (const [raw, status] of [ ["Hit from cloudfront", "HIT"], ["Miss from cloudfront", "MISS"], ["RefreshHit from cloudfront", "EXPIRED"], ["HIT", "HIT"], ["MISS, HIT", "HIT"], ["HIT, MISS", "HIT"], [ "TCP_HIT from a23-45-67-89.deploy.akamaitechnologies.com (AkamaiGHost)", "HIT", ], ["TCP_MEM_HIT", "HIT"], ["TCP_MISS", "MISS"], ["TCP_REFRESH_HIT", "EXPIRED"], ["TCP_EXPIRED_MISS", "EXPIRED"], ] as const) { test(`x-cache: ${raw} -> ${status}`, () => { const result = normalizeCacheStatus({ "X-Cache": raw }); expect(result.status).toBe(status); expect(result.source).toBe("x-cache"); }); }});
describe("rfc 9211 cache-status", () => { for (const [raw, status] of [ ['"Netlify Edge"; hit', "HIT"], ["ExampleCache; fwd=miss; stored", "MISS"], ["ExampleCache; fwd=stale", "EXPIRED"], ["ExampleCache; fwd=bypass", "BYPASS"], ["OriginCache; hit, EdgeCache; fwd=miss", "MISS"], ["OriginCache; fwd=miss, EdgeCache; hit", "HIT"], ["OriginCache; fwd=bypass, EdgeCache; fwd=stale", "EXPIRED"], ['OriginCache; hit, "Edge, Cache"; fwd=miss', "MISS"], ['OriginCache; hit, EdgeCache; fwd=miss; detail="a,b; hit"', "MISS"], [ String.raw`OriginCache; hit, EdgeCache; fwd=miss; detail="a\",b; hit"`, "MISS", ], [String.raw`OriginCache; detail="a\\"; hit, EdgeCache; fwd=miss`, "MISS"], ] as const) { test(`cache-status: ${raw} -> ${status}`, () => { const result = normalizeCacheStatus({ "Cache-Status": raw }); expect(result.status).toBe(status); expect(result.source).toBe("cache-status"); expect(result.raw).toBe(raw); }); }
test("does not use an upstream hit when the last cache has no status", () => { expect( normalizeCacheStatus({ "Cache-Status": "OriginCache; hit, EdgeCache" }) .status, ).toBe("UNKNOWN"); });});
describe("vendor header priority", () => { test("cf-cache-status wins over x-cache", () => { const result = normalizeCacheStatus({ "Cf-Cache-Status": "HIT", "X-Cache": "MISS", }); expect(result.status).toBe("HIT"); expect(result.source).toBe("cf-cache-status"); });});
describe("generic fallback", () => { test("age > 0 with cacheable cache-control -> HIT", () => { const result = normalizeCacheStatus({ Age: "842", "Cache-Control": "public, max-age=3600", }); expect(result.status).toBe("HIT"); expect(result.source).toBe("age"); });
test("no-store -> DYNAMIC", () => { const result = normalizeCacheStatus({ "Cache-Control": "private, no-cache, no-store, max-age=0", }); expect(result.status).toBe("DYNAMIC"); expect(result.source).toBe("cache-control"); });
test("mixed-case directives are matched (RFC 9111)", () => { const result = normalizeCacheStatus({ "Cache-Control": "Private, No-Store", }); expect(result.status).toBe("DYNAMIC"); });
test("age 0 with cacheable cache-control -> UNKNOWN", () => { const result = normalizeCacheStatus({ Age: "0", "Cache-Control": "public, max-age=3600", }); expect(result.status).toBe("UNKNOWN"); });
test("no caching headers at all -> UNKNOWN", () => { const result = normalizeCacheStatus({ "Content-Type": "text/html", Server: "nginx", }); expect(result.status).toBe("UNKNOWN"); expect(result.raw).toBeNull(); expect(result.source).toBeNull(); });
test("lowercase header keys are matched", () => { const result = normalizeCacheStatus({ "cf-cache-status": "HIT" }); expect(result.status).toBe("HIT"); });});