Files
Thingport/backend/tests/modelPreviewLimits.test.ts
Tautvydas Derzinskas 358dfc1a03 feat: system notifications updates, Thingport grab in System health check, node 24+ (#52)
* feat: update system notifications

* feat: add Thingport grab to system health check

* ci: upgrade to Node.js 24 and centralize version management
2026-10-17 10:44:13 +02:00

62 lines
2.9 KiB
TypeScript

import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
import fs from "node:fs/promises";
import fsSync from "node:fs";
import os from "node:os";
import path from "node:path";
// Separate file because limits are read when config.ts loads. 1 MB is raised to the 8 MB floor (any lower and
// the worker can't start, which crashes the whole process on Node 24); 8 MB is still too little for a render.
vi.hoisted(() => {
process.env.MODEL_PREVIEW_MAX_MEMORY_MB = "1";
});
const { writeZip } = await import("../src/utils/zipWriter");
const { generateModelPreviewGlb, modelPreviewGlbExists, modelPreviewGlbPath } =
await import("../src/services/modelPreviewCache");
const MODEL_XML = `<?xml version="1.0" encoding="UTF-8"?>
<model xmlns="http://schemas.microsoft.com/3dmanufacturing/core/2015/02" unit="millimeter">
<resources><object id="1" type="model"><mesh><vertices><vertex x="0" y="0" z="0" /><vertex x="10" y="0" z="0" /><vertex x="0" y="10" z="0" /></vertices><triangles><triangle v1="0" v2="1" v3="2" /></triangles></mesh></object></resources>
<build><item objectid="1" /></build>
</model>
`;
describe("modelPreviewCache -- worker limits", () => {
let fixture: string;
const plateId = `test-fixture-limits-${Date.now()}`;
const cacheDir = () => path.dirname(modelPreviewGlbPath("x"));
beforeAll(async () => {
await fs.mkdir(cacheDir(), { recursive: true });
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "thingport-3mf-limits-"));
const modelPath = path.join(dir, "3dmodel.model");
await fs.writeFile(modelPath, MODEL_XML);
fixture = path.join(dir, "limits.3mf");
await writeZip(fixture, [{ arcname: "3D/3dmodel.model", filePath: modelPath }]);
});
afterAll(async () => {
for (const ext of [".v3.glb", ".v3.error", ".pending"]) {
await fs.rm(path.join(cacheDir(), `${plateId}${ext}`), { force: true });
}
});
it("kills a render that exceeds its memory budget and keeps the server process alive", async () => {
await generateModelPreviewGlb(plateId, fixture);
expect(modelPreviewGlbExists(plateId)).toBe(false);
const error = fsSync.readFileSync(path.join(cacheDir(), `${plateId}.v3.error`), "utf-8");
expect(error).toMatch(/^permanent: (memory grew|worker heap exceeded)/);
expect(fsSync.existsSync(path.join(cacheDir(), `${plateId}.pending`))).toBe(false);
expect(fsSync.readdirSync(cacheDir()).some((f) => f.startsWith(plateId) && f.endsWith(".tmp"))).toBe(false);
});
it("does not retry a limit failure, even once the cooldown has passed", async () => {
const errorPath = path.join(cacheDir(), `${plateId}.v3.error`);
const longAgo = new Date(Date.now() - 2 * 60 * 60 * 1000);
await fs.utimes(errorPath, longAgo, longAgo);
await generateModelPreviewGlb(plateId, fixture);
// Untouched: a retry would have rewritten it.
expect(Math.round(fsSync.statSync(errorPath).mtimeMs)).toBe(longAgo.getTime());
});
});