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// SPDX-License-Identifier: AGPL-3.0-or-later

import assert from "node:assert";

import fs from "node:fs";

import os from "node:os";

import path from "node:path";

import test from "node:test";

import {

computeBufferIntegrity,

readLockfile,

updateLockfilePackage,

verifyIntegrity,

writeLockfile,

type ModelScriptLockfile,

} from "../src/util/lockfile.js";

test("Multi-Domain Lockfile (msx.lock) Management & Verification", async (t) => {

const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "msx-lock-test-"));

t.after(() => {

try {

fs.rmSync(tmpDir, { recursive: true, force: true });

} catch {

// Ignore cleanup error

}

});

await t.test("Generates deterministic msx.lock file with sorted packages", () => {

const lockfile: ModelScriptLockfile = {

lockfileVersion: 1,

packages: {

Modelica: {

version: "4.1.0",

resolved: "https://registry.modelscript.org/api/v1/libraries/Modelica/4.1.0/download",

integrity: "sha256:1111111111111111111111111111111111111111111111111111111111111111",

domains: {

modelica: { files: ["package.mo", "Electrical.mo"] },

},

},

"@acme/chassis": {

version: "1.0.0",

resolved: "file:./chassis.zip",

integrity: "sha256:2222222222222222222222222222222222222222222222222222222222222222",

domains: {

cad: { files: ["cad/frame.step"] },

sysml2: { files: ["sysml/chassis.sysml"] },

},

},

},

};

writeLockfile(tmpDir, lockfile);

const read = readLockfile(tmpDir);

assert.ok(read);

assert.strictEqual(read.lockfileVersion, 1);

// Verify sorted keys

const keys = Object.keys(read.packages);

assert.strictEqual(keys[0], "@acme/chassis");

assert.strictEqual(keys[1], "Modelica");

const chassis = read.packages["@acme/chassis"]!;

assert.strictEqual(chassis.version, "1.0.0");

assert.ok(chassis.domains?.["cad"]);

assert.ok(chassis.domains?.["sysml2"]);

});

await t.test("updateLockfilePackage updates existing lockfile incrementally", () => {

updateLockfilePackage(tmpDir, "@acme/powertrain", {

version: "2.0.0",

resolved: "https://registry.modelscript.org/api/v1/libraries/@acme/powertrain/2.0.0/download",

integrity: "sha256:3333333333333333333333333333333333333333333333333333333333333333",

domains: {

modelica: { files: ["Inverter.mo"] },

cad: { files: ["Inverter.step"] },

},

});

const read = readLockfile(tmpDir);

assert.ok(read);

assert.strictEqual(Object.keys(read.packages).length, 3);

assert.ok(read.packages["@acme/powertrain"]);

});

await t.test("verifyIntegrity detects tampered binary content", () => {

const originalBuf = Buffer.from("Modelica Standard Library 4.1.0 Simulation Equations");

const integrity = computeBufferIntegrity(originalBuf);

assert.ok(integrity.startsWith("sha256:"));

assert.strictEqual(verifyIntegrity(originalBuf, integrity), true);

const tamperedBuf = Buffer.from("Tampered Modelica Standard Library with Malicious Payload");

assert.strictEqual(verifyIntegrity(tamperedBuf, integrity), false);

});

});