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import { beforeEach, describe, expect, it, vi } from 'vitest'

import type * as GlUtils from './gl-utils'

const {

glabExecFileAsyncMock,

glabApiWithHeadersMock,

getGlabKnownHostsMock,

getProjectRefMock,

resolveIssueSourceMock,

acquireMock,

releaseMock,

gitExecFileAsyncMock

} = vi.hoisted(() => ({

glabExecFileAsyncMock: vi.fn(),

glabApiWithHeadersMock: vi.fn(),

getGlabKnownHostsMock: vi.fn(),

getProjectRefMock: vi.fn(),

resolveIssueSourceMock: vi.fn(),

acquireMock: vi.fn(),

releaseMock: vi.fn(),

gitExecFileAsyncMock: vi.fn()

}))

// Why: the #9171 default-branch guard resolves the repo default branch via

// git; keep those probes hermetic instead of spawning real git processes.

vi.mock('../git/runner', () => ({

gitExecFileAsync: gitExecFileAsyncMock

}))

vi.mock('./gl-utils', async () => {

const actual = await vi.importActual<typeof GlUtils>('./gl-utils')

return {

...actual,

glabExecFileAsync: glabExecFileAsyncMock,

glabApiWithHeaders: glabApiWithHeadersMock,

getGlabKnownHosts: getGlabKnownHostsMock,

getProjectRef: getProjectRefMock,

resolveIssueSource: resolveIssueSourceMock,

acquire: acquireMock,

release: releaseMock

}

})

import { _getGitLabRateLimitCacheSize, diagnoseAuth, getRateLimit } from './client'

import { resetGitLabMrMocks } from './client-mr-test-harness'

describe('gitlab client — MR operations', () => {

beforeEach(() => {

resetGitLabMrMocks({

glabExecFileAsyncMock,

glabApiWithHeadersMock,

getGlabKnownHostsMock,

getProjectRefMock,

resolveIssueSourceMock,

acquireMock,

releaseMock,

gitExecFileAsyncMock

})

})

describe('diagnoseAuth', () => {

it('reports glab hosts from auth status', async () => {

glabExecFileAsyncMock.mockResolvedValueOnce({

stdout: '✓ Logged in to gitlab.com as alice\n',

stderr: ''

})

await expect(diagnoseAuth()).resolves.toMatchObject({

glabAvailable: true,

authenticated: true,

hosts: ['gitlab.com'],

activeHost: 'gitlab.com'

})

expect(glabExecFileAsyncMock).toHaveBeenCalledWith(['auth', 'status'], {

allowDefaultWslFallback: false

})

})

it('merges many authenticated hosts with one cache scan', async () => {

const hostCount = 256

glabExecFileAsyncMock.mockResolvedValueOnce({

stdout: Array.from(

{ length: hostCount },

(_, index) => `Logged in to gitlab-${index}.example.test as user`

).join('\n'),

stderr: ''

})

const originalMap = Array.prototype.map

let knownHostCacheScans = 0

const mapSpy = vi.spyOn(Array.prototype, 'map').mockImplementation(function (

this: unknown[],

callback: (value: unknown, index: number, array: unknown[]) => unknown,

thisArg?: unknown

): unknown[] {

if (this[0] === 'gitlab.com' && this.every((value) => typeof value === 'string')) {

knownHostCacheScans += 1

}

return originalMap.call(this, callback, thisArg)

})

try {

await expect(diagnoseAuth()).resolves.toMatchObject({

authenticated: true,

hosts: expect.any(Array)

})

} finally {

mapSpy.mockRestore()

}

expect(knownHostCacheScans).toBe(1)

})

})

describe('getRateLimit', () => {

it('parses GitLab REST budget headers', async () => {

glabApiWithHeadersMock.mockResolvedValueOnce({

body: '{}',

headers: {

'ratelimit-limit': '2000',

'ratelimit-remaining': '1997',

'ratelimit-reset': '1780000000'

}

})

await expect(

getRateLimit({ host: 'gitlab.example.com', force: true })

).resolves.toMatchObject({

ok: true,

snapshot: {

host: 'gitlab.example.com',

rest: {

limit: 2000,

remaining: 1997,

resetAt: 1780000000

}

}

})

expect(glabApiWithHeadersMock).toHaveBeenCalledWith([

'--hostname',

'gitlab.example.com',

'user'

])

})

it('reports a null bucket when the host omits rate-limit headers', async () => {

glabApiWithHeadersMock.mockResolvedValueOnce({ body: '{}', headers: {} })

await expect(getRateLimit({ force: true })).resolves.toMatchObject({

ok: true,

snapshot: { host: null, rest: null }

})

})

it('bounds cached rate-limit snapshots across many hosts', async () => {

glabApiWithHeadersMock.mockResolvedValue({ body: '{}', headers: {} })

for (let i = 0; i < 70; i++) {

await getRateLimit({ host: `gitlab-${i}.example.com`, force: true })

}

expect(_getGitLabRateLimitCacheSize()).toBe(64)

})

})

})