538bf42e32
pnpm dev/local dashboard prebuild now rebuilds @fusion/core and @fusion/engine alongside the dashboard UI (was client-only), and startup warns loudly when built dist/ is older than src/. Prevents the FN-6638 class where landed engine fixes silently never run because the process loads stale dist.
91 lines
3.2 KiB
JavaScript
91 lines
3.2 KiB
JavaScript
import { test } from "node:test";
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import assert from "node:assert/strict";
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import { computeDistStaleness, formatDistStalenessWarning } from "../lib/dist-freshness.mjs";
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/*
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FNXC:DevWorkflow 2026-06-18-16:50:
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FN-6638 stale-dist guard tests. Verifies the startup freshness check flags a
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src-ahead-of-dist build, stays quiet when fresh, and never false-positives for
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pure-source (no dist) or packaged (no src) layouts.
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*/
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// In-memory fs seam: paths are exact strings; dirs list children; files carry mtimeMs.
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function makeFs({ dirs, files }) {
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const dirSet = new Set(dirs);
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// files: { "<dir>": [{ name, mtimeMs, isDir? }] } keyed by parent dir
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return {
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existsSync: (p) => dirSet.has(p),
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readdirSync: (dir) =>
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(files[dir] ?? []).map((e) => ({
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name: e.name,
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isDirectory: () => Boolean(e.isDir),
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})),
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statSync: (p) => {
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// p is "<dir>/<name>"; look it up by scanning entries
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for (const [dir, entries] of Object.entries(files)) {
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for (const e of entries) {
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if (`${dir}/${e.name}` === p) return { mtimeMs: e.mtimeMs };
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}
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}
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return { mtimeMs: 0 };
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},
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};
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}
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const ROOT = "/repo";
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function layout({ srcMs, distMs, withSrc = true, withDist = true }) {
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const dirs = [];
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const files = {};
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const srcDir = `${ROOT}/packages/engine/src`;
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const distDir = `${ROOT}/packages/engine/dist`;
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if (withSrc) {
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dirs.push(srcDir);
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files[srcDir] = [{ name: "executor.ts", mtimeMs: srcMs }];
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}
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if (withDist) {
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dirs.push(distDir);
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files[distDir] = [{ name: "executor.js", mtimeMs: distMs }];
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}
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return makeFs({ dirs, files });
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}
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test("flags stale when src is newer than dist beyond slack", () => {
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const fs = layout({ srcMs: 10_000, distMs: 1_000 });
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const result = computeDistStaleness({ rootDir: ROOT, packages: ["engine"], fs });
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assert.equal(result.stale, true);
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assert.equal(result.packages[0].stale, true);
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const warning = formatDistStalenessWarning(result);
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assert.match(warning, /STALE BUILD/);
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assert.match(warning, /@fusion\/engine/);
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assert.match(warning, /pnpm build/);
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});
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test("not stale when dist is newer than src", () => {
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const fs = layout({ srcMs: 1_000, distMs: 10_000 });
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const result = computeDistStaleness({ rootDir: ROOT, packages: ["engine"], fs });
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assert.equal(result.stale, false);
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assert.equal(formatDistStalenessWarning(result), null);
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});
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test("not stale within slack window", () => {
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const fs = layout({ srcMs: 1_500, distMs: 1_000 }); // 500ms < 2000ms slack
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const result = computeDistStaleness({ rootDir: ROOT, packages: ["engine"], fs });
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assert.equal(result.stale, false);
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});
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test("skips packages with no dist (pure source run)", () => {
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const fs = layout({ srcMs: 10_000, distMs: 0, withDist: false });
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const result = computeDistStaleness({ rootDir: ROOT, packages: ["engine"], fs });
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assert.equal(result.stale, false);
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assert.equal(result.packages.length, 0);
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});
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test("skips packages with no src (packaged install)", () => {
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const fs = layout({ srcMs: 0, distMs: 10_000, withSrc: false });
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const result = computeDistStaleness({ rootDir: ROOT, packages: ["engine"], fs });
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assert.equal(result.stale, false);
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assert.equal(result.packages.length, 0);
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});
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