Kuma/tests/notifications/notification-types.test.ts

import { describe, it, expect } from "vitest";
import {
  NOTIFICATION_TYPES,
  NOTIFICATION_TYPE_KEYS,
  isNotificationType,
  resolveNotificationSettings,
} from "@/src/modules/notifications/lib/notification-types";

describe("isNotificationType", () => {
  it("erkennt gültige Registry-Keys", () => {
    expect(isNotificationType("booking.created")).toBe(true);
    expect(isNotificationType("course.cancelled")).toBe(true);
  });

  it("lehnt unbekannte Keys ab", () => {
    expect(isNotificationType("booking.unknown")).toBe(false);
    expect(isNotificationType("")).toBe(false);
    expect(isNotificationType("__proto__")).toBe(false);
  });
});

describe("resolveNotificationSettings", () => {
  it("liefert bei null alle Registry-Defaults", () => {
    const resolved = resolveNotificationSettings(null);
    expect(Object.keys(resolved).sort()).toEqual([...NOTIFICATION_TYPE_KEYS].sort());
    for (const key of NOTIFICATION_TYPE_KEYS) {
      expect(resolved[key]).toBe(NOTIFICATION_TYPES[key].defaultOn);
    }
  });

  it("übersteuert einzelne Keys aus dem gespeicherten Wert", () => {
    const resolved = resolveNotificationSettings({ "booking.created": false });
    expect(resolved["booking.created"]).toBe(false);
    // nicht gesetzte Keys fallen weiterhin auf den Default zurück
    expect(resolved["course.cancelled"]).toBe(NOTIFICATION_TYPES["course.cancelled"].defaultOn);
  });

  it("ignoriert unbekannte Keys und Nicht-Boolean-Werte", () => {
    const resolved = resolveNotificationSettings({
      "booking.created": "yes",
      "bogus.key": true,
      "course.full": 1,
    });
    expect(resolved["booking.created"]).toBe(NOTIFICATION_TYPES["booking.created"].defaultOn);
    expect(resolved["course.full"]).toBe(NOTIFICATION_TYPES["course.full"].defaultOn);
    expect("bogus.key" in resolved).toBe(false);
  });

  it("behandelt Arrays / primitive Werte als leer", () => {
    expect(resolveNotificationSettings([1, 2, 3])).toEqual(resolveNotificationSettings(null));
    expect(resolveNotificationSettings("string")).toEqual(resolveNotificationSettings(null));
    expect(resolveNotificationSettings(42)).toEqual(resolveNotificationSettings(null));
  });
});