Files
linumiq-invoice/tests/dedupe-and-language.test.ts
T
Gerhard Scheikl dde53319e5 fix(observability,webhooks,i18n): timestamped logs, dedupe webhook retries, default non-de locales to English
- New custom server.js (replaces react-router-serve): ISO timestamps on
  all console.* output and on access logs, and skip successful /healthz
  polls so real traffic stays visible.
- New ProcessedWebhook table + dedupe helper keyed on
  X-Shopify-Webhook-Id; stops Shopify retries from triggering a second
  invoice email when the original delivery exceeded the 5s ack timeout.
- orders/create + orders/fulfilled now respond 200 immediately and run
  the PDF/email work in the background so we stay under that timeout.
- pickLanguage(): non-German locales (it, fr, es, ...) now default to
  English instead of falling back to German. Empty/unknown still maps to
  'de' so the per-shop defaultLanguage chain keeps working.
- Tests for pickLanguage and dedupe via node --test + tsx.
2026-05-15 11:02:17 +02:00

80 lines
3.0 KiB
TypeScript

import { strict as assert } from "node:assert";
import { describe, it } from "node:test";
import { pickLanguage } from "../app/services/invoice/i18n";
import { isDuplicateWebhook, type DedupeDeps } from "../app/services/webhooks/dedupe.server";
describe("pickLanguage", () => {
it("returns 'de' only for explicit German locales", () => {
assert.equal(pickLanguage("de"), "de");
assert.equal(pickLanguage("de-AT"), "de");
assert.equal(pickLanguage("de-DE"), "de");
assert.equal(pickLanguage("de_CH"), "de");
assert.equal(pickLanguage("DE-AT"), "de"); // case-insensitive
});
it("returns 'en' for non-German locales (regression: it/fr/es no longer fall back to de)", () => {
assert.equal(pickLanguage("en"), "en");
assert.equal(pickLanguage("en-US"), "en");
assert.equal(pickLanguage("it"), "en");
assert.equal(pickLanguage("it-IT"), "en");
assert.equal(pickLanguage("fr"), "en");
assert.equal(pickLanguage("fr-FR"), "en");
assert.equal(pickLanguage("es"), "en");
assert.equal(pickLanguage("hu-HU"), "en");
});
it("falls back to 'de' for empty/unknown input so the per-shop default chain still works", () => {
assert.equal(pickLanguage(undefined), "de");
assert.equal(pickLanguage(null), "de");
assert.equal(pickLanguage(""), "de");
});
});
function makeRequest(headers: Record<string, string> = {}): Request {
return new Request("https://example.com/webhooks/test", {
method: "POST",
headers,
});
}
function makeDeps(behaviour: "ok" | "p2002" | "boom"): DedupeDeps {
return {
db: {
processedWebhook: {
create: async () => {
if (behaviour === "ok") return {};
if (behaviour === "p2002") {
const err = new Error("Unique constraint failed") as Error & { code?: string };
err.code = "P2002";
throw err;
}
throw new Error("DB unavailable");
},
},
},
};
}
describe("isDuplicateWebhook", () => {
it("returns false on first delivery (insert succeeds)", async () => {
const req = makeRequest({ "x-shopify-webhook-id": "abc-123" });
assert.equal(await isDuplicateWebhook(req, "shop.myshopify.com", "ORDERS_CREATE", makeDeps("ok")), false);
});
it("returns true on a retried delivery (P2002)", async () => {
const req = makeRequest({ "x-shopify-webhook-id": "abc-123" });
assert.equal(await isDuplicateWebhook(req, "shop.myshopify.com", "ORDERS_CREATE", makeDeps("p2002")), true);
});
it("returns false (and proceeds) when the dedupe table itself errors \u2014 fail-open, never drop a webhook silently", async () => {
const req = makeRequest({ "x-shopify-webhook-id": "abc-123" });
assert.equal(await isDuplicateWebhook(req, "shop.myshopify.com", "ORDERS_CREATE", makeDeps("boom")), false);
});
it("returns false when the X-Shopify-Webhook-Id header is missing (test harness / non-Shopify caller)", async () => {
const req = makeRequest();
assert.equal(await isDuplicateWebhook(req, "shop.myshopify.com", "ORDERS_CREATE", makeDeps("ok")), false);
});
});