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62 lines
2.3 KiB
TypeScript
62 lines
2.3 KiB
TypeScript
import { beforeEach, describe, expect, it } from 'vitest'
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import {
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getCachedWorktrees,
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MOBILE_WORKTREE_CACHE_MAX_ITEMS_PER_HOST,
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resetWorktreeCacheForTests,
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setCachedWorktrees
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} from './worktree-cache'
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// Why: AC #8498 guarantees a reconnect refetch writes through the
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// same cache path the host detail screen seeds from, so a reconnect can't
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// serve a stale snapshot. This unit pins the write-through contract.
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describe('worktree-cache write-through', () => {
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beforeEach(() => {
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resetWorktreeCacheForTests()
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})
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it('returns the most-recently written snapshot, not a stale one', () => {
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const hostId = 'host-write-through'
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const stale = [{ worktreeId: 'a', name: 'stale' }]
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const fresh = [
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{ worktreeId: 'a', name: 'fresh' },
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{ worktreeId: 'b', name: 'added' }
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]
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setCachedWorktrees(hostId, stale)
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expect(getCachedWorktrees(hostId)).toEqual(stale)
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// Why: simulates the reconnect refetch write-through — the fresh
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// worktree.ps snapshot must fully replace the poisoned cache entry.
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setCachedWorktrees(hostId, fresh)
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expect(getCachedWorktrees(hostId)).toEqual(fresh)
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expect(getCachedWorktrees(hostId)).not.toEqual(stale)
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})
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it('exposes a fresh snapshot to a remounting screen after reconnect', () => {
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// Why: the host detail screen reads getCachedWorktrees(hostId)
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// on (re)mount as its initialCache. A reconnect that writes
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// through must therefore surface here instead of the pre-reconnect data.
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const hostId = 'host-remount'
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setCachedWorktrees(hostId, [{ worktreeId: 'old', name: 'pre-reconnect' }])
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// Reconnect refetch lands a fresh snapshot and writes it through.
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const reconnected = [
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{ worktreeId: 'old', name: 'post-reconnect' },
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{ worktreeId: 'new', name: 'now-visible' }
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]
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setCachedWorktrees(hostId, reconnected)
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// A fresh screen mount reads the cache — must see the connected set.
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expect(getCachedWorktrees(hostId)).toEqual(reconnected)
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})
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it('retains the exact per-host item cap and rejects one over', () => {
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const exact = Array.from({ length: MOBILE_WORKTREE_CACHE_MAX_ITEMS_PER_HOST }, () => null)
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setCachedWorktrees('host', exact)
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expect(getCachedWorktrees('host')).toBe(exact)
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setCachedWorktrees('host', [...exact, null])
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expect(getCachedWorktrees('host')).toBeNull()
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})
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})
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