78 lines
2.5 KiB
TypeScript
78 lines
2.5 KiB
TypeScript
import { readdirSync, readFileSync, statSync } from "node:fs";
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import { join } from "node:path";
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import { describe, expect, it } from "@suaveplan/testing/runner";
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const SRC = new URL("../src/", import.meta.url).pathname;
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function walk(dir: string, acc: string[] = []): string[] {
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for (const name of readdirSync(dir)) {
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const p = join(dir, name);
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const st = statSync(p);
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if (st.isDirectory()) walk(p, acc);
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else if (/\.ts$/.test(p) && !/\.test\.ts$/.test(p)) acc.push(p);
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}
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return acc;
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}
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const FORBIDDEN_BROWSER_GLOBALS = [
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"AudioContext",
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"AnalyserNode",
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"AudioBuffer",
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];
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const FORBIDDEN_NODE_IMPORTS = ["node:fs", "node:path"];
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describe("purity — universal guard", () => {
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it("source references no platform-only globals", { timeout: 5000 }, () => {
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const files = walk(SRC);
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const violations: string[] = [];
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for (const f of files) {
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const text = readFileSync(f, "utf8");
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for (const g of FORBIDDEN_BROWSER_GLOBALS) {
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const re = new RegExp(`\\b${g}\\b`);
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if (re.test(text)) violations.push(`${f}: contains ${g}`);
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}
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for (const g of FORBIDDEN_NODE_IMPORTS) {
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if (text.includes(g)) violations.push(`${f}: contains ${g}`);
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}
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}
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expect(violations).toEqual([]);
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});
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it("dependency set is limited to the declared workspace deps and zod", {
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timeout: 5000,
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}, () => {
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const pkg = JSON.parse(
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readFileSync(new URL("../package.json", import.meta.url), "utf8")
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) as {
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dependencies: Record<string, string>;
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};
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const allowed = new Set([
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"@suaveplan/audio-core",
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"@suaveplan/error",
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"@suaveplan/types",
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"@opentelemetry/api",
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"tslib",
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"zod",
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]);
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for (const dep of Object.keys(pkg.dependencies)) {
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expect(allowed.has(dep)).toBe(true);
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}
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});
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it("importing the package mutates no global state", {
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timeout: 5000,
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}, async () => {
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// Import once to settle any one-shot runner bookkeeping, then verify
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// a second import adds no new keys of its own.
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await import("../src/index.js");
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const before = new Set(Object.keys(globalThis));
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await import("../src/index.js");
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const added: string[] = [];
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for (const k of Object.keys(globalThis)) {
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if (!before.has(k)) added.push(k);
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}
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expect(added).toEqual([]);
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});
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});
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