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The API's read of one repository names its Server-Timing phases: session, repo, each read, render #3795

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scout/forge:scout/3790-the-api-s-read-of-one-repository-names-i → main 3 commits fork 1 thread · 1 unresolved

  • Merged. scout/3790-the-api-s-read-of-one-repository-names-i was merged into main as 9bb2121.

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2 files changed +79 −7
src/http/api.ts +9 −7
@@ -2276,13 +2276,15 @@ export function apiRoutes(router: Router<Handler>): void {
22762276 });
22772277
22782278 router.add("GET", "/api/v1/repos/:owner/:name", (ctx) => {
2279 const repo = loadRepo(ctx);
2280 return repo
2281 ? json({
2282 ...repoJson(ctx, repo),
2283 audience: audienceFor(ctx.app.db, repo, ctx.auth.user),
2284 })
2285 : notFound();
2279 notePhase(ctx.request, "session", takeSessionTime(ctx.request));
2280 const repo = timePhase(ctx.request, "repo", () => loadRepo(ctx));
2281 if (!repo) return notFound();
2282 const facts = timePhase(ctx.request, "counts", () => repoJson(ctx, repo));
2283 const audience = timePhase(ctx.request, "audience", () => audienceFor(ctx.app.db, repo, ctx.auth.user));
2284 const rendering = performance.now();

Nit, not blocking: timePhase(ctx.request, "render", () => json({ ...facts, audience })) does the same as this hand-rolled performance.now() pair, and it is how the pull-diff handler names its render phase. Using it would keep the two handlers alike.

2285 const res = json({ ...facts, audience });
2286 notePhase(ctx.request, "render", performance.now() - rendering);
2287 return res;
22862288 });
22872289
22882290 router.add("PATCH", "/api/v1/repos/:owner/:name", async (ctx) => {
test/api-repo-timing.test.ts added +70
@@ -0,0 +1,70 @@
1 /** `GET /api/v1/repos/:owner/:name` names session, repo, its reads and render in Server-Timing (#3790). */
2 import { afterAll, beforeAll, expect, test } from "bun:test";
3 import { mkdtempSync, rmSync } from "node:fs";
4 import { tmpdir } from "node:os";
5 import { join } from "node:path";
6 import { createRepo } from "../src/actions/repos.ts";
7 import { createApp, type App } from "../src/app.ts";
8 import { createUser } from "../src/core/users.ts";
9 import { serve, type Servers } from "../src/http/server.ts";
10 import { proveAll } from "./helpers/verified.ts";
11 import { quietLogs } from "./helpers/globals.ts";
12
13 quietLogs();
14
15 let root = "";
16 let app: App;
17 let servers: Servers;
18 let cookie = "";
19
20 beforeAll(async () => {
21 root = mkdtempSync(join(tmpdir(), "forge-api-repo-timing-"));
22 app = createApp({ dataDir: root, port: 0, forgeRepo: "alice/forge" });
23 const u = await createUser(app.db, {
24 origin: "seed",
25 trusted: true,
26 username: "alice",
27 email: "[email protected]",
28 password: "a-good-passphrase",
29 adminIfFirst: true,
30 });
31 if (!u.ok) throw new Error(u.error);
32 proveAll(app);
33 const made = await createRepo(app, { id: u.value.id, username: "alice" } as never, { name: "forge" });
34 if (!made.ok) throw new Error(made.error);
35 servers = await serve(app);
36 const signin = await fetch(`${servers.url}/signin`, {
37 method: "POST",
38 headers: { origin: servers.url },
39 body: new URLSearchParams({ username: "alice", password: "a-good-passphrase" }),
40 redirect: "manual",
41 });
42 cookie = (signin.headers.get("set-cookie") ?? "").split(";")[0]!;
43 });
44 afterAll(() => {
45 servers.stop();
46 app.close();
47 rmSync(root, { recursive: true, force: true });
48 });
49
50 const names = (res: Response): string[] =>
51 (res.headers.get("server-timing") ?? "").split(", ").map((p) => p.split(";")[0]!);
52
53 test("the read of one repository names its phases", async () => {
54 const res = await fetch(`${servers.url}/api/v1/repos/alice/forge`, { headers: { cookie } });
55 expect(res.status).toBe(200);
56 const body = (await res.json()) as { name: string; audience: unknown; counts: unknown };
57 expect(body.name).toBe("forge");
58 expect(body.audience).toBeDefined();
59 expect(body.counts).toBeDefined();
60 for (const name of ["app", "session", "repo", "counts", "audience", "render"])
61 expect(names(res)).toContain(name);
62 });
63
64 test("a 404 still names session and repo", async () => {
65 const res = await fetch(`${servers.url}/api/v1/repos/alice/nope`, { headers: { cookie } });
66 expect(res.status).toBe(404);
67 expect(names(res)).toContain("session");
68 expect(names(res)).toContain("repo");
69 expect(names(res)).not.toContain("render");
70 });

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