feat(federation): permanent-failure callback registry

2026-04-25 21:42:57 +02:00
parent 03737c0955
commit be3eb5284e
2 changed files with 80 additions and 0 deletions
@@ -0,0 +1,41 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import {
+  registerPermanentFailureCallback,
+  invokePermanentFailureCallback,
+  _resetCallbacks,
+} from './federationRollback.js';
+
+describe('permanent-failure callback registry', () => {
+  beforeEach(() => _resetCallbacks());
+
+  it('invokes the registered callback when called by eventType', () => {
+    const cb = vi.fn();
+    registerPermanentFailureCallback('friend_request_create', cb);
+    invokePermanentFailureCallback('friend_request_create', 'msg-123', 'recipient_not_found');
+    expect(cb).toHaveBeenCalledWith('msg-123', 'recipient_not_found');
+  });
+
+  it('is a no-op for unregistered event types', () => {
+    expect(() =>
+      invokePermanentFailureCallback('unknown_event_type', 'msg-1', 'whatever')
+    ).not.toThrow();
+  });
+
+  it('replaces a previously-registered callback for the same eventType', () => {
+    const old = vi.fn();
+    const fresh = vi.fn();
+    registerPermanentFailureCallback('e1', old);
+    registerPermanentFailureCallback('e1', fresh);
+    invokePermanentFailureCallback('e1', 'msg-9', 'reason');
+    expect(old).not.toHaveBeenCalled();
+    expect(fresh).toHaveBeenCalledWith('msg-9', 'reason');
+  });
+
+  it('swallows errors thrown by the callback (logs but does not throw)', () => {
+    registerPermanentFailureCallback('boom', () => { throw new Error('test'); });
+    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+    expect(() => invokePermanentFailureCallback('boom', 'msg-x', 'r')).not.toThrow();
+    expect(errSpy).toHaveBeenCalled();
+    errSpy.mockRestore();
+  });
+});