Pause suspended Reddit accounts

tests/account-suspension.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, it, vi } from 'vitest';
+import { AccountSuspensionService } from '../src/services/account-suspension.js';
+import { RedditRateLimitError } from '../src/reddit/api.js';
+import { createMockLogger } from './mockLogger.js';
+
+const activeProfile = {
+  createdAt: null, linkKarma: null, commentKarma: null, totalKarma: null,
+  hasVerifiedEmail: null, isSuspended: false,
+};
+
+describe('AccountSuspensionService', () => {
+  it('pauses an authenticated account only when its own profile confirms suspension', async () => {
+    const pause = vi.fn();
+    const reddit = { getAccountProfile: vi.fn().mockResolvedValue({ ...activeProfile, isSuspended: true }) };
+    const service = new AccountSuspensionService(
+      'owned-account', reddit, pause, createMockLogger(), { isFullyAuthenticated: () => true },
+    );
+
+    await expect(service.checkNow()).resolves.toBe(true);
+    expect(reddit.getAccountProfile).toHaveBeenCalledWith('owned-account');
+    expect(pause).toHaveBeenCalledWith('Reddit profile marks this account as suspended');
+  });
+
+  it('does not pause for a missing profile, a transient failure, or a rate limit', async () => {
+    const pause = vi.fn();
+    const reddit = { getAccountProfile: vi.fn()
+      .mockResolvedValueOnce(null)
+      .mockRejectedValueOnce(new Error('upstream unavailable'))
+      .mockRejectedValueOnce(new RedditRateLimitError(1_000)) };
+    const service = new AccountSuspensionService(
+      'owned-account', reddit, pause, createMockLogger(), { isFullyAuthenticated: () => true },
+    );
+
+    await expect(service.checkNow()).resolves.toBe(false);
+    await expect(service.checkNow()).resolves.toBe(false);
+    await expect(service.checkNow()).resolves.toBe(false);
+    expect(pause).not.toHaveBeenCalled();
+  });
+
+  it('does not probe while the account is not authenticated', async () => {
+    const reddit = { getAccountProfile: vi.fn() };
+    const service = new AccountSuspensionService(
+      'owned-account', reddit, vi.fn(), createMockLogger(), { isFullyAuthenticated: () => false },
+    );
+
+    await expect(service.checkNow()).resolves.toBe(false);
+    expect(reddit.getAccountProfile).not.toHaveBeenCalled();
+  });
+});