WFDASH-WEBAPP/scripts/perf/dashboard-end-to-end.ts

// Time /api/v1/dashboard end-to-end via the running dev server.
// First mints a PB user-token, then fires 3 cold + 3 warm GETs.
import { performance } from "node:perf_hooks";
import PocketBase from "pocketbase";

async function main() {
  const baseUrl = process.env.NEXT_PUBLIC_POCKETBASE_URL || "http://127.0.0.1:8090";
  const appUrl = process.env.WFDASH_APP_URL || "http://127.0.0.1:4001";
  const email = process.env.PB_ADMIN_EMAIL;
  const password = process.env.PB_ADMIN_PASSWORD;
  if (!email || !password) {
    console.error("Missing PB_ADMIN_EMAIL / PB_ADMIN_PASSWORD");
    process.exit(1);
  }

  const pb = new PocketBase(baseUrl);
  // Mint a user-token (the route asserts via /auth-refresh, which
  // accepts users-issued tokens).
  const userAuth = await pb.collection("users").authWithPassword("david.els1@outlook.com", "1234567890");
  const token = userAuth.token;

  console.log(`App: ${appUrl}`);
  console.log(`PB:  ${baseUrl}`);

  const cold: number[] = [];
  const warm: number[] = [];

  for (let i = 0; i < 3; i += 1) {
    const t0 = performance.now();
    const res = await fetch(`${appUrl}/api/v1/dashboard`, {
      headers: { Authorization: token },
      cache: "no-store",
    });
    const body = await res.text();
    const t1 = performance.now();
    cold.push(t1 - t0);
    if (!res.ok) {
      console.error(`cold #${i + 1}: HTTP ${res.status} body=${body.slice(0, 200)}`);
      continue;
    }
    console.log(`cold #${i + 1}: ${(t1 - t0).toFixed(0)}ms body=${body.length}B`);
  }

  for (let i = 0; i < 3; i += 1) {
    const t0 = performance.now();
    const res = await fetch(`${appUrl}/api/v1/dashboard`, {
      headers: { Authorization: token },
      cache: "no-store",
    });
    const t1 = performance.now();
    warm.push(t1 - t0);
    console.log(`warm #${i + 1}: ${(t1 - t0).toFixed(0)}ms`);
  }

  const median = (xs: number[]) => {
    const sorted = [...xs].sort((a, b) => a - b);
    return sorted[Math.floor(sorted.length / 2)];
  };

  console.log("---");
  console.log(`Cold median: ${median(cold).toFixed(0)}ms`);
  console.log(`Warm median: ${median(warm).toFixed(0)}ms`);
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});