import { readFileSync } from "fs" import path from "path" import { describe, expect, test } from "bun:test" // html-rendering.md is the format-rendering reference for HTML output. It is // byte-duplicated between ce-plan and ce-brainstorm (enforced by // tests/compound-support-files.test.ts), so we test one copy and trust the // drift check to cover the other. The assertions below pin failure-mode // defenses observed across iterative dogfood — each rule prevents a named // bad outcome. const REFERENCE_PATH = path.join( process.cwd(), "plugins/compound-engineering/skills/ce-plan/references/html-rendering.md", ) const REFERENCE = readFileSync(REFERENCE_PATH, "utf8") describe("html-rendering.md reference content invariants", () => { test("declares single-self-contained-file invariant", () => { expect(/single self-contained/i.test(REFERENCE)).toBe(true) expect(/No companion `\.css`|no companion files/i.test(REFERENCE)).toBe(true) }) test("permits CDN webfonts only with a fallback stack", () => { expect( /CDN webfont/i.test(REFERENCE) && /fallback/i.test(REFERENCE), "Reference must permit CDN webfonts only with an offline-readable fallback font stack.", ).toBe(true) }) test("forbids hidden machine-readable metadata copy (no JSON frontmatter)", () => { // Under exclusive output mode, metadata lives in visible text only. // A `