scrum4me-mcp/__tests__/git/file-lock.test.ts
Madhura68 f7f5a487ec PBI-9 + PBI-47: worktree foundation, product-worktrees, P0 fixes, PAUSED flow
Adds two interlocking PBIs:

PBI-9 — Worktree foundation + persistent product-worktrees for idea-jobs
  - src/git/worktree-paths.ts: centralised root + skip-set + lock-path helpers
  - src/git/file-lock.ts: proper-lockfile wrapper, deadlock-safe ordered acquire
  - src/git/product-worktree.ts: detached-HEAD worktree per product, .scratch/
    excluded via git rev-parse --git-path (handles linked .git file)
  - src/git/job-locks.ts: setupProductWorktrees + releaseLocksOnTerminal
  - wait-for-job.ts: idea-branch wires product-worktrees for IDEA_GRILL/MAKE_PLAN
  - update-job-status.ts + pbi-cascade.ts + stale-reset: release on all four
    server-side terminal transitions (DONE/FAILED/CANCELLED/stale)
  - cleanup-my-worktrees: skip _products/ + *.lock
  - README: worktrees section with single-host invariant + advisory-lock path

PBI-47 — Sprint-flow P0 corrections + PAUSED flow with rich pause_context
  - prisma schema: ClaudeJob.{base_sha,head_sha} + SprintRun.pause_context
  - tryClaimJob captures base_sha; prepareDoneUpdate captures head_sha
  - verify-task-against-plan diffs vs base_sha (no more origin/main fallback);
    rejects with MISSING_BASE_SHA when null — fixes per-task verify-scope P0
  - pr.ts: createPullRequest enableAutoMerge default false; new
    enableAutoMergeOnPr with --match-head-commit guard + 5-category typed
    EnableAutoMergeResult — fixes STORY auto-merge timing P0
  - src/flow/{effects,worktree-lease,pr-flow,sprint-run}.ts: pure transition
    modules + idempotent declarative effects executor
  - update-job-status: STORY auto-merge fires only on the last task of the
    story (story.status === DONE), with head_sha as merge guard; MERGE_CONFLICT
    routes to sprint-run flow which produces CREATE_CLAUDE_QUESTION +
    SET_SPRINT_RUN_STATUS effects with rich pause_context

Tests: 31 test files, 242 passing. Pure-transition tests cover STORY 3-tasks
auto-merge timing, SPRINT draft→ready, MERGE_CONFLICT pause/resume, file-lock
deadlock prevention, worktree-lease lifecycle, delete-only verify (ALIGNED),
per-job verify scope (base_sha isolation), 5-category auto-merge errors.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-06 21:09:48 +02:00

96 lines
3.2 KiB
TypeScript

import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import * as fs from 'node:fs/promises'
import * as os from 'node:os'
import * as path from 'node:path'
import { acquireFileLock, acquireFileLocksOrdered } from '../../src/git/file-lock.js'
describe('file-lock', () => {
let tmpDir: string
beforeEach(async () => {
tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'file-lock-'))
})
afterEach(async () => {
await fs.rm(tmpDir, { recursive: true, force: true })
})
it('acquires and releases a lock; lockfile is gone after release', async () => {
const lockPath = path.join(tmpDir, 'a.lock')
const release = await acquireFileLock(lockPath)
// proper-lockfile creates a directory at <lockPath>.lock for the actual lock
const stat = await fs.stat(`${lockPath}.lock`).catch(() => null)
expect(stat).not.toBeNull()
await release()
// After release, the .lock dir should be gone
const after = await fs.stat(`${lockPath}.lock`).catch(() => null)
expect(after).toBeNull()
})
it('release is idempotent (second call is no-op)', async () => {
const lockPath = path.join(tmpDir, 'b.lock')
const release = await acquireFileLock(lockPath)
await release()
await expect(release()).resolves.toBeUndefined()
})
it('second acquire blocks until first release', async () => {
const lockPath = path.join(tmpDir, 'c.lock')
const release1 = await acquireFileLock(lockPath)
let secondAcquired = false
const second = acquireFileLock(lockPath).then((r) => {
secondAcquired = true
return r
})
// Give the second acquire a moment to attempt
await new Promise((r) => setTimeout(r, 200))
expect(secondAcquired).toBe(false)
await release1()
const release2 = await second
expect(secondAcquired).toBe(true)
await release2()
}, 10_000)
it('acquireFileLocksOrdered sorts paths alphabetically (deadlock-free for crossed sets)', async () => {
const a = path.join(tmpDir, 'A.lock')
const b = path.join(tmpDir, 'B.lock')
// Two concurrent multi-locks with crossed orders both sort to [A, B]
const r1Promise = acquireFileLocksOrdered([b, a])
// First should grab both since paths sort the same
const r1 = await r1Promise
let secondAcquired = false
const r2Promise = acquireFileLocksOrdered([a, b]).then((r) => {
secondAcquired = true
return r
})
await new Promise((r) => setTimeout(r, 200))
expect(secondAcquired).toBe(false)
await r1()
const r2 = await r2Promise
expect(secondAcquired).toBe(true)
await r2()
}, 15_000)
it('partial failure releases held locks', async () => {
// Force the second acquire to fail by writing a regular file at the lockfile
// location proper-lockfile wants to create as a directory.
const a = path.join(tmpDir, 'A.lock')
const bPath = path.join(tmpDir, 'B.lock')
// Create a regular file at `${bPath}.lock` so proper-lockfile's mkdir fails with EEXIST
await fs.writeFile(`${bPath}.lock`, 'blocked')
await expect(acquireFileLocksOrdered([a, bPath])).rejects.toThrow()
// After failure, A's lock should be released — re-acquire immediately
const r = await acquireFileLock(a)
await r()
}, 90_000)
})