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The sitemap timing test is a coin flip under load #6194

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scout/forge:scout/6193-the-sitemap-timing-test-is-a-coin-flip-u → main 1 commit fork

  • Merged. scout/6193-the-sitemap-timing-test-is-a-coin-flip-u was merged into main as 6554809.

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1 file changed +11 −4
test/sitemap.test.ts +11 −4
@@ -8,6 +8,7 @@ import { createRepo } from "../src/actions/repos.ts";
88 import { forgetListings } from "../src/core/listings.ts";
99 import { createUser } from "../src/core/users.ts";
1010 import { serve, type Servers } from "../src/http/server.ts";
11 import { baselineMs, expectBudget } from "./helpers/budget.ts";
1112
1213 let dataDir: string;
1314 let app: App;
@@ -36,14 +37,20 @@ afterAll(async () => {
3637 const phases = (h: string) => [...h.matchAll(/(\w+);dur=([\d.]+)/g)].reduce((n, m) => n + Number(m[2]), 0);
3738
3839 test("lists the 100 public repositories and none of the 20 private ones, built in under 15 ms", async () => {
39 forgetListings(app.db);
40 const res = await fetch(`${servers.url}/sitemap.xml`);
41 const body = await res.text();
40 let best = Infinity;
41 let res!: Response;
42 let body = "";
43 for (let i = 0; i < 5; i++) {
44 forgetListings(app.db);
45 res = await fetch(`${servers.url}/sitemap.xml`);
46 body = await res.text();
47 best = Math.min(best, phases(res.headers.get("server-timing") ?? ""));
48 }
4249 expect(body.match(/\/alice\/pub\d+</g)?.length).toBe(100);
4350 expect(body).not.toContain("priv");
4451 const timing = res.headers.get("server-timing") ?? "";
4552 for (const phase of ["repos", "render", "etag"]) expect(timing).toContain(`${phase};dur=`);
46 expect(phases(timing)).toBeLessThan(15);
53 expectBudget(best, { ms: 15, against: await baselineMs(servers.url) });
4754 });
4855
4956 test("a repeat with If-None-Match gets a 304, a stale tag gets the document", async () => {

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