refactor(github): organize concrete feature owners (#41601)

src/main/github/pull-requests/stacks/github-pr-stack.test.ts

@@ -0,0 +1,53 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const { ghExecFileAsyncMock, rateLimitGuardMock, noteRateLimitSpendMock } = vi.hoisted(() => ({
+  ghExecFileAsyncMock: vi.fn(),
+  rateLimitGuardMock: vi.fn(() => ({ blocked: false })),
+  noteRateLimitSpendMock: vi.fn()
+}))
+
+vi.mock('../../../git/command-runner/hosted-cli/gh-exec-file', async (importOriginal) => ({
+  ...(await importOriginal<Record<string, unknown>>()),
+  ghExecFileAsync: ghExecFileAsyncMock
+}))
+vi.mock('../../api/rate-limit', () => ({
+  repositoryRateLimitGuard: rateLimitGuardMock,
+  noteRepositoryRateLimitSpend: noteRateLimitSpendMock
+}))
+import { _resetGitHubPRStackCacheForTests } from './github-pr-stack'
+import { mergeGitHubPRStack } from './github-pr-stack-async-merge'
+
+const repository = { owner: 'stablyai', repo: 'orca', host: 'github.com' }
+
+beforeEach(() => {
+  vi.useRealTimers()
+  ghExecFileAsyncMock.mockReset()
+  rateLimitGuardMock.mockReset()
+  rateLimitGuardMock.mockReturnValue({ blocked: false })
+  noteRateLimitSpendMock.mockReset()
+  _resetGitHubPRStackCacheForTests()
+})
+
+describe('mergeGitHubPRStack', () => {
+  it('reports an in-progress merge after polling is exhausted', async () => {
+    vi.useFakeTimers()
+    ghExecFileAsyncMock.mockResolvedValue({
+      stdout: JSON.stringify({ status: 'pending', details: { uuid: 'merge-uuid' } })
+    })
+
+    const result = mergeGitHubPRStack({
+      repository,
+      prNumber: 202,
+      method: 'squash',
+      mergeAction: 'direct_merge',
+      ghOptions: { cwd: '/repo' }
+    })
+    await vi.advanceTimersByTimeAsync(180_000)
+
+    await expect(result).resolves.toMatchObject({
+      ok: false,
+      error: 'GitHub is still merging this stack. Refresh to check its status.'
+    })
+    expect(ghExecFileAsyncMock).toHaveBeenCalledTimes(181)
+  })
+})