QA Lab

import { mkdir, mkdtemp, rm, writeFile } from "node:fs/promises"; import os from "node:os"; import path from "node:path"; import { afterEach, describe, expect, it } from "vitest"; import { detectContentType, missingUiHtml, resolveUiAssetVersion, tryResolveUiAsset, } from "./lab-server-ui.js"; const cleanups: Array<() => Promise> = []; afterEach(async () => { while (cleanups.length > 0) { await cleanups.pop()?.(); } }); describe("qa-lab server ui helpers", () => { it("detects basic UI asset content types", () => { expect(detectContentType("index.html")).toBe("text/html; charset=utf-8"); expect(detectContentType("styles.css")).toBe("text/css; charset=utf-8"); expect(detectContentType("main.js")).toBe("text/javascript; charset=utf-8"); expect(detectContentType("icon.svg")).toBe("image/svg+xml"); }); it("renders the missing-ui placeholder html", () => { expect(missingUiHtml()).toContain("QA Lab UI not built"); expect(missingUiHtml()).toContain("pnpm qa:lab:build"); }); it("hashes built UI assets and changes when bundle contents change", async () => { const uiDistDir = await mkdtemp(path.join(os.tmpdir(), "qa-lab-ui-dist-")); cleanups.push(async () => { await rm(uiDistDir, { recursive: true, force: true }); }); await writeFile( path.join(uiDistDir, "index.html"), "QA Lab

", "utf8", ); const version1 = resolveUiAssetVersion(uiDistDir); expect(version1).toMatch(/^[0-9a-f]{12}$/); await writeFile( path.join(uiDistDir, "index.html"), "QA Lab Updated

", "utf8", ); const version2 = resolveUiAssetVersion(uiDistDir); expect(version2).toMatch(/^[0-9a-f]{12}$/); expect(version2).not.toBe(version1); }); it("never resolves sibling files outside the UI dist root", async () => { const rootDir = await mkdtemp(path.join(os.tmpdir(), "qa-lab-ui-boundary-")); cleanups.push(async () => { await rm(rootDir, { recursive: true, force: true }); }); const uiDistDir = path.join(rootDir, "dist"); const siblingDir = path.join(rootDir, "dist-other"); await mkdir(uiDistDir, { recursive: true }); await mkdir(siblingDir, { recursive: true }); await writeFile( path.join(uiDistDir, "index.html"), "bundle-root", "utf8", ); await writeFile(path.join(siblingDir, "secret.txt"), "sibling-secret", "utf8"); expect(tryResolveUiAsset("/", uiDistDir, rootDir)).toBe(path.join(uiDistDir, "index.html")); expect(tryResolveUiAsset("/../dist-other/secret.txt", uiDistDir, rootDir)).toBeNull(); }); it("rejects malformed percent-encoded UI asset paths", async () => { const uiDistDir = await mkdtemp(path.join(os.tmpdir(), "qa-lab-ui-malformed-")); cleanups.push(async () => { await rm(uiDistDir, { recursive: true, force: true }); }); await writeFile( path.join(uiDistDir, "index.html"), "bundle-root", "utf8", ); expect(tryResolveUiAsset("/%E0%A4", uiDistDir, uiDistDir)).toBeNull(); }); });