From 6d6fc8968600f86f327568195097f73bd9bd5f5e Mon Sep 17 00:00:00 2001
From: Dudu-0223 <fsyo0223@gmail.com>
Date: Sat, 7 Nov 2026 13:05:01 +0800
Subject: [PATCH] test: cover macOS CUA channel policy forwarding on every
 platform

---
 .../cua-macos/tests/provider-channel.spec.ts  | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 packages/experimental/cua-macos/tests/provider-channel.spec.ts

diff --git a/packages/experimental/cua-macos/tests/provider-channel.spec.ts b/packages/experimental/cua-macos/tests/provider-channel.spec.ts
new file mode 100644
index 0000000000..02d9fc0fe6
--- /dev/null
+++ b/packages/experimental/cua-macos/tests/provider-channel.spec.ts
@@ -0,0 +1,36 @@
+/** Provider configuration reaches the native transport without opening a macOS connection. */
+import { resolve } from 'node:path'
+import { PassThrough } from 'node:stream'
+import { Context } from '@deepseek-ai/cordis'
+import { installCua } from '@deepseek-ai/dsh-cua'
+import type { NativeChannel } from '@deepseek-ai/dsh-cua/native-client'
+import { expect, it, onTestFinished, vi } from 'vitest'
+import { apply, Config } from '../src/index.ts'
+import { createSharedNativeChannel } from '../src/shared-native.ts'
+
+vi.mock('@deepseek-ai/dsh-cua', async importOriginal => ({
+  ...await importOriginal<typeof import('@deepseek-ai/dsh-cua')>(),
+  installCua: vi.fn(),
+}))
+vi.mock('../src/shared-native.ts', () => ({ createSharedNativeChannel: vi.fn() }))
+
+it.each([false, true])('forwards systemPointerHover=%s and native limits to each channel', async (systemPointerHover) => {
+  const ctx = new Context()
+  onTestFinished(() => ctx.fiber.dispose())
+  const config = Config({ helperPath: resolve('fixture-helper'), systemPointerHover })
+  const channel: NativeChannel = {
+    stdin: new PassThrough(), stdout: new PassThrough(), done: Promise.resolve(),
+    close() {}, waitForClose: async () => {},
+  }
+  onTestFinished(() => { channel.stdin.destroy(); channel.stdout.destroy() })
+  vi.mocked(installCua).mockClear()
+  vi.mocked(createSharedNativeChannel).mockReset().mockReturnValue(channel)
+
+  await apply(ctx, config)
+  expect(installCua).toHaveBeenCalledTimes(1)
+  const backend = vi.mocked(installCua).mock.calls[0]![2]
+  const owner = { subprocess: { spawn: vi.fn() } }
+  const native = { ...config, helperPath: resolve('fixture-helper'), cwd: process.cwd() }
+  expect(backend.createChannel(owner, native)).toBe(channel)
+  expect(createSharedNativeChannel).toHaveBeenCalledExactlyOnceWith(owner, native, systemPointerHover)
+})