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The milestones page's Server-Timing names its phases: session, each read, render #3302

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scout/forge:scout/3281-the-milestones-page-s-server-timing-name → main 1 commit fork 1 thread · 1 unresolved

  • Merged. scout/3281-the-milestones-page-s-server-timing-name was merged into main as 89ed9d8.

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2 files changed +72 −6
src/web/pages/milestones.ts +15 −6
@@ -37,6 +37,7 @@ import { watchMilestone } from "../../actions/watches.ts";
3737 import { replanResult } from "../../actions/limb_replan.ts";
3838 import { given, pendingFor } from "../../core/limb_replan.ts";
3939 import type { Ctx } from "../../http/context.ts";
40 import { notePhase, takeSessionTime, timePhase } from "../../core/route_timing.ts";
4041 import { askToLiveFor } from "../ask_to_live.ts";
4142 import {
4243 crumbsFor,
@@ -196,13 +197,19 @@ function limbLine(base: string, limb: Limb, move: Html | null = null): Html {
196197
197198 /** GET /:owner/:name/milestones — the plan, collapsed to its limbs. */
198199 export function milestonesPage(ctx: Ctx): Response {
199 const repo = loadRepo(ctx);
200 notePhase(ctx.request, "session", takeSessionTime(ctx.request));
201 const repo = timePhase(ctx.request, "repo", () => loadRepo(ctx));
200202 if (!repo) return notFoundPage(ctx);
201 const plan = readPlan(ctx.app.db, repo, {
202 spend: canSeeOwnerFacts(ctx.app.db, repo, ctx.auth.user),
203 });
203 const plan = timePhase(ctx.request, "plan", () =>
204 readPlan(ctx.app.db, repo, {
205 spend: canSeeOwnerFacts(ctx.app.db, repo, ctx.auth.user),
206 }),
207 );
204208 const base = repoBase(repo);
205 const move = moverFor(ctx.app.db, repo, ctx.auth.user, plan.read);
209 const move = timePhase(ctx.request, "seats", () =>
210 moverFor(ctx.app.db, repo, ctx.auth.user, plan.read),
211 );
212 const rendering = performance.now();
206213 const body = html`${repoHeader(ctx, repo, "map")}
207214 <div class="page-head mt">
208215 <h1>Milestones</h1>
@@ -224,7 +231,7 @@ export function milestonesPage(ctx: Ctx): Response {
224231 )}
225232 </div>`}
226233 ${liveMount({ repo: base })}`;
227 return page({
234 const response = page({
228235 ctx,
229236 title: `Milestones · ${repo.name}`,
230237 crumbs: crumbsFor(repo),
@@ -232,6 +239,8 @@ export function milestonesPage(ctx: Ctx): Response {
232239 body,
233240 scriptJs: liveClientJs,
234241 });
242 notePhase(ctx.request, "render", performance.now() - rendering);
243 return response;
235244 }
236245
237246 const STATE_TONE: Record<LeafState, "success" | "attn" | undefined> = {
test/milestones-timing.test.ts added +57
@@ -0,0 +1,57 @@
1 /** `/:owner/:name/milestones` names session, repo, plan, seats and render in Server-Timing (#3281). */

Check that #3281 is the issue this test is meant to cite.

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
19 beforeAll(async () => {
20 root = mkdtempSync(join(tmpdir(), "forge-milestones-timing-"));
21 app = createApp({ dataDir: root, port: 0, forgeRepo: "alice/forge" });
22 const u = await createUser(app.db, {
23 origin: "seed",
24 trusted: true,
25 username: "alice",
26 email: "[email protected]",
27 password: "a-good-passphrase",
28 adminIfFirst: true,
29 });
30 if (!u.ok) throw new Error(u.error);
31 proveAll(app);
32 const made = await createRepo(app, { id: u.value.id, username: "alice" } as never, { name: "forge" });
33 if (!made.ok) throw new Error(made.error);
34 servers = await serve(app);
35 });
36 afterAll(() => {
37 servers.stop();
38 app.close();
39 rmSync(root, { recursive: true, force: true });
40 });
41
42 test("GET /:owner/:name/milestones names its phases", async () => {
43 const signin = await fetch(`${servers.url}/signin`, {
44 method: "POST",
45 headers: { origin: servers.url },
46 body: new URLSearchParams({ username: "alice", password: "a-good-passphrase" }),
47 redirect: "manual",
48 });
49 const cookie = (signin.headers.get("set-cookie") ?? "").split(";")[0]!;
50 const res = await fetch(`${servers.url}/alice/forge/milestones`, { headers: { cookie } });
51 const body = await res.text();
52 expect(res.status).toBe(200);
53 expect(body).toContain("<h1>Milestones</h1>");
54 const parts = (res.headers.get("server-timing") ?? "").split(", ");
55 for (const name of ["app", "session", "repo", "plan", "seats", "render"])
56 expect(parts.find((p) => p.startsWith(`${name};`))).toMatch(/^[a-z]+;dur=\d+\.\d$/);
57 });

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