refactor(suggestion): drive suggestion decisions from one core step and split SuggestionService collaborators

This commit is contained in:
Yun Chan 2026-09-28 00:53:42 +09:00
parent 9aa7302944
commit 190b6db284
13 changed files with 1994 additions and 496 deletions

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import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { eq } from 'drizzle-orm'
import { createTestDb } from '../../helpers/createTestDb'
import { personalPhrases, phraseEdges, typingSamples } from '../../../src/main/db/schema'
const holder = vi.hoisted(() => ({
db: null as unknown,
config: new Map<string, unknown>()
}))
vi.mock('electron', () => ({ screen: { getPrimaryDisplay: () => ({ scaleFactor: 1 }) } }))
vi.mock('uiohook-napi', () => ({ uIOhook: { on: vi.fn(), removeListener: vi.fn() } }))
vi.mock('../../../src/main/db', async (importOriginal) => ({
...(await importOriginal<typeof import('../../../src/main/db')>()),
getDatabase: () => holder.db
}))
vi.mock('../../../src/main/services/ConfigService', () => ({
configGet: (key: string) => holder.config.get(key),
configSet: (key: string, value: unknown) => holder.config.set(key, value)
}))
vi.mock('../../../src/main/services/LoggerService', () => ({
getLogger: () => ({ debug: vi.fn(), info: vi.fn(), warn: vi.fn(), error: vi.fn() })
}))
vi.mock('../../../src/main/services/global-input-hook', () => ({ acquireGlobalInputHook: () => () => undefined }))
vi.mock('../../../src/main/services/KeyBindingService', () => ({ uiohookCodeToVk: () => null }))
vi.mock('../../../src/main/services/UiaContextService', () => ({
getUiaContextService: () => ({ isAvailable: () => false, lastReason: 'test', lastSuccessAt: 0 })
}))
vi.mock('../../../src/main/utils/win32-foreground', () => ({ getForegroundWindowInfo: () => null }))
import {
getInputTelemetryService,
resetInputTelemetryServiceForTests
} from '../../../src/main/services/InputTelemetryService'
import {
getPersonalGraphService,
resetPersonalGraphServiceForTests
} from '../../../src/main/services/PersonalGraphService'
let testDb: ReturnType<typeof createTestDb>
interface TelemetryInternal {
_foreground: { appName: string | null; windowTitle: string | null; hwnd: number | null }
_applyTypedDelta(snapshot: { windowTitle: string | null; controlName?: string; controlType?: string; text: string }): void
}
function snapshot(text: string) {
return { windowTitle: '채널', controlName: '메시지', controlType: 'Edit', text }
}
function typedSamples(): string[] {
return testDb.db
.select()
.from(typingSamples)
.all()
.filter((row) => row.source === 'typed')
.map((row) => row.text)
}
beforeEach(() => {
testDb = createTestDb()
holder.db = testDb.db
holder.config.clear()
holder.config.set('inputLearnTypedText', true)
holder.config.set('inputExcludedApps', [])
resetInputTelemetryServiceForTests()
resetPersonalGraphServiceForTests()
const telemetry = getInputTelemetryService() as unknown as TelemetryInternal
telemetry._foreground.appName = 'Slack.exe'
})
afterEach(() => {
testDb.close()
})
describe('버그 3: 프로그램이 삽입한 텍스트를 타이핑으로 다시 학습하지 않는다', () => {
const ACCEPTED = '다음 회의는 내일 오후 세 시에 하겠습니다'
it('예고된 제안 수락 삽입은 diff 에서 typed 로 학습하지 않는다', () => {
const telemetry = getInputTelemetryService()
const internal = telemetry as unknown as TelemetryInternal
internal._applyTypedDelta(snapshot('안녕하세요 여러분 '))
telemetry.expectProgrammaticInsert(ACCEPTED)
internal._applyTypedDelta(snapshot(`안녕하세요 여러분 ${ACCEPTED}`))
expect(typedSamples()).toEqual([])
})
it('삽입 앞뒤로 직접 친 부분만 학습한다', () => {
const telemetry = getInputTelemetryService()
const internal = telemetry as unknown as TelemetryInternal
internal._applyTypedDelta(snapshot('시작 '))
telemetry.expectProgrammaticInsert(ACCEPTED)
internal._applyTypedDelta(snapshot(`시작 ${ACCEPTED} 확인 부탁드립니다`))
expect(typedSamples()).toEqual(['확인 부탁드립니다'])
})
it('예고는 한 번만 소비된다 — 같은 문장을 나중에 직접 치면 학습한다', () => {
const telemetry = getInputTelemetryService()
const internal = telemetry as unknown as TelemetryInternal
internal._applyTypedDelta(snapshot(''))
internal._applyTypedDelta(snapshot('첫 줄 '))
telemetry.expectProgrammaticInsert(ACCEPTED)
internal._applyTypedDelta(snapshot(`첫 줄 ${ACCEPTED}`))
internal._applyTypedDelta(snapshot(`첫 줄 ${ACCEPTED}\n${ACCEPTED}`))
expect(typedSamples()).toContain(ACCEPTED)
})
it('삽입이 실패해 예고를 취소하면 이후 직접 친 같은 글은 학습한다', () => {
const telemetry = getInputTelemetryService()
const internal = telemetry as unknown as TelemetryInternal
internal._applyTypedDelta(snapshot('앞 '))
const cancel = telemetry.expectProgrammaticInsert(ACCEPTED)
cancel()
internal._applyTypedDelta(snapshot(`앞 ${ACCEPTED}`))
expect(typedSamples()).toEqual([ACCEPTED])
})
it('키보드 방식으로 치는 도중 잡힌 앞부분도 학습하지 않고 나머지를 기다린다', () => {
const telemetry = getInputTelemetryService()
const internal = telemetry as unknown as TelemetryInternal
internal._applyTypedDelta(snapshot(''))
internal._applyTypedDelta(snapshot('x '))
telemetry.expectProgrammaticInsert(ACCEPTED)
internal._applyTypedDelta(snapshot(`x ${ACCEPTED.slice(0, 8)}`))
internal._applyTypedDelta(snapshot(`x ${ACCEPTED}`))
expect(typedSamples()).toEqual([])
})
})
describe('버그 9: 문구 삭제는 그 문장의 그래프 엣지도 지운다', () => {
const ANCHOR = '오늘 회의 결과를 공유드립니다'
const PRIVATE = '계좌 비밀번호는 따로 보내드리겠습니다'
it('삭제한 문장이 follows 이웃·통계·조회에 남지 않는다', () => {
const graph = getPersonalGraphService()
graph.indexText(`${ANCHOR}. ${PRIVATE}.`, { source: 'typed', appName: 'Slack.exe' })
expect(graph.retrieveContext('오늘 회의 결과를').related).toContain(PRIVATE)
const row = testDb.db
.select()
.from(personalPhrases)
.where(eq(personalPhrases.phrase, PRIVATE))
.get()
expect(row).toBeDefined()
expect(getInputTelemetryService().deletePhrase(row?.id ?? '')).toBe(true)
const edges = testDb.db.select().from(phraseEdges).all()
expect(edges.filter((edge) => edge.fromPhrase === PRIVATE || edge.toPhrase === PRIVATE)).toEqual([])
expect(graph.retrieveContext('오늘 회의 결과를').related).not.toContain(PRIVATE)
expect(graph.getStats().topEdges.some((edge) => edge.to === PRIVATE || edge.from === PRIVATE)).toBe(false)
expect(graph.query('오늘 회의').neighbors.some((neighbor) => neighbor.text === PRIVATE)).toBe(false)
})
it('없는 id 삭제는 false 이고 다른 엣지를 건드리지 않는다', () => {
const graph = getPersonalGraphService()
graph.indexText(`${ANCHOR}. ${PRIVATE}.`, { source: 'typed', appName: 'Slack.exe' })
const before = testDb.db.select().from(phraseEdges).all().length
expect(getInputTelemetryService().deletePhrase('missing')).toBe(false)
expect(testDb.db.select().from(phraseEdges).all()).toHaveLength(before)
})
it('removePhrase 는 양방향 엣지를 모두 지우고 지운 수를 돌려준다', () => {
const graph = getPersonalGraphService()
graph.indexText(`${ANCHOR}. ${PRIVATE}. 확인 후 다시 연락드리겠습니다.`, { source: 'typed' })
const removed = graph.removePhrase(PRIVATE)
expect(removed).toBeGreaterThanOrEqual(2)
const remaining = testDb.db.select().from(phraseEdges).all()
expect(remaining.every((edge) => edge.fromPhrase !== PRIVATE && edge.toPhrase !== PRIVATE)).toBe(true)
})
})

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import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
const config = vi.hoisted(() => ({
suggestionEnabled: true as boolean,
suggestionModelId: 'model-a' as string | null,
llmModelId: 'model-a' as string | null,
inputExcludedApps: [] as string[],
suggestionTriggerDelayMs: 600,
suggestionMinPrefixChars: 8,
suggestionMaxRequestsPerMinute: 12,
suggestionDailyBudget: 500,
suggestionRequestTimeoutMs: 8000,
inputLearnTypedText: false,
inputTelemetryEnabled: false,
suggestionOverlayInteractive: true,
insertMethod: 'clipboard'
}))
const harness = vi.hoisted(() => ({
isAvailable: vi.fn(() => true),
streamGenerate: vi.fn(),
insertText: vi.fn(async (text: string) => ({ success: true, method: 'clipboard', textLength: text.length })),
continuations: [] as string[]
}))
vi.mock('../../../src/main/services/ConfigService', () => ({
configGet: vi.fn((key: keyof typeof config) => config[key]),
configSet: vi.fn()
}))
vi.mock('../../../src/main/services/LoggerService', () => ({
getLogger: () => ({ info: vi.fn(), warn: vi.fn(), error: vi.fn(), debug: vi.fn() })
}))
vi.mock('../../../src/main/services/LocalLLMService', () => ({
getLocalLLMService: () => ({ isAvailable: harness.isAvailable, streamGenerate: harness.streamGenerate })
}))
vi.mock('../../../src/main/services/InputTelemetryService', () => ({
getInputTelemetryService: () => ({ listPhrases: () => [] })
}))
vi.mock('../../../src/main/services/PersonalGraphService', () => ({
getPersonalGraphService: () => ({
retrieveContext: () => ({ continuations: harness.continuations, related: [] })
})
}))
vi.mock('../../../src/main/services/TextInsertService', () => ({
getTextInsertService: () => ({ insertText: harness.insertText })
}))
vi.mock('../../../src/main/services/modifier-state', () => ({ waitForModifiersReleased: async () => true }))
vi.mock('../../../src/main/utils/win32-foreground', () => ({ getForegroundWindowInfo: () => null }))
vi.mock('../../../src/main/db', () => ({ getDatabase: vi.fn() }))
vi.mock('../../../src/main/db/schema', () => ({ suggestions: {} }))
import { SuggestionService, type SuggestionServiceDeps } from '../../../src/main/services/SuggestionService'
import { SuggestionBudget } from '../../../src/main/services/suggestion/SuggestionBudget'
import { ModelWarmTracker } from '../../../src/main/services/suggestion/ModelWarmTracker'
import type { TypingContext } from '../../../src/main/services/InputTelemetryService'
const SHORT_PREFIX = '오늘 회의에서 논의한 내용을 정리해서'
const LONG_PREFIX = `${'가나다라 '.repeat(100)}${SHORT_PREFIX}`
function typingContext(overrides: Partial<TypingContext> = {}): TypingContext {
const prefix = overrides.prefix ?? SHORT_PREFIX
return {
prefix,
fullText: prefix,
caretOffset: prefix.length,
anchor: null,
anchorKind: null,
isPassword: false,
isEditable: true,
isComposing: false,
hasSelection: false,
available: true,
appName: 'chrome.exe',
windowTitle: 'Gmail',
windowHandle: 101,
idleMs: 2000,
capturedAt: Date.now(),
editedSinceFocus: true,
typedRecently: true,
...overrides
}
}
interface Fakes {
deps: SuggestionServiceDeps
record: ReturnType<typeof vi.fn>
foregroundHandle: { value: number | null }
expectInsert: ReturnType<typeof vi.fn>
cancelInsert: ReturnType<typeof vi.fn>
recordAccepted: ReturnType<typeof vi.fn>
}
function fakes(): Fakes {
const record = vi.fn()
const foregroundHandle = { value: 101 as number | null }
const cancelInsert = vi.fn()
const expectInsert = vi.fn(() => cancelInsert)
const recordAccepted = vi.fn()
return {
record,
foregroundHandle,
expectInsert,
cancelInsert,
recordAccepted,
deps: {
repository: { record, markAccepted: vi.fn(), list: vi.fn(() => []) },
budget: new SuggestionBudget(),
warmth: new ModelWarmTracker(),
foreground: { currentWindowHandle: () => foregroundHandle.value },
learning: { expectProgrammaticInsert: expectInsert, recordAccepted }
}
}
}
function streamOf(text: string) {
return (async function* () {
yield text
})()
}
let services: SuggestionService[] = []
function create(deps: SuggestionServiceDeps): SuggestionService {
const service = new SuggestionService(deps)
services.push(service)
return service
}
interface Internal {
_generate(prefix: string, context: TypingContext, maxCandidates: number, maxChars: number): Promise<void>
_warmUpPromise: Promise<void> | null
_lastSkipReason: string | null
}
beforeEach(() => {
config.suggestionEnabled = true
config.suggestionModelId = 'model-a'
config.llmModelId = 'model-a'
harness.isAvailable.mockReset()
harness.isAvailable.mockReturnValue(true)
harness.streamGenerate.mockReset()
harness.insertText.mockClear()
harness.continuations = []
})
afterEach(() => {
for (const service of services) service.dispose()
services = []
vi.useRealTimers()
})
describe('버그 1: 400자 넘는 접두에서 세션이 stale 로 닫히지 않는다', () => {
it('같은 긴 접두의 다음 스냅샷에서도 세션이 유지되고 재생성하지 않는다', async () => {
harness.streamGenerate.mockImplementation(() => streamOf('다음 단계도 확인하겠습니다.'))
const { deps } = fakes()
deps.warmth.noteWarm('model-a', Date.now() + 600_000)
const service = create(deps)
const internal = service as unknown as Internal
const context = typingContext({ prefix: LONG_PREFIX })
expect(LONG_PREFIX.length).toBeGreaterThan(400)
await internal._generate(LONG_PREFIX, context, 3, 160)
expect(service.isVisible).toBe(true)
service.handleTypingContext(context)
expect(service.isVisible).toBe(true)
expect(service.getState().lastSkipReason).not.toBe('stale')
// 세션이 유지되므로 새 첫 요청(예산 소비)이 일어나지 않는다.
expect(deps.budget.minuteCount).toBe(1)
})
it('긴 접두에서도 이어 치면 세션을 끝낸다', async () => {
harness.streamGenerate.mockImplementation(() => streamOf('다음 단계도 확인하겠습니다.'))
const { deps } = fakes()
deps.warmth.noteWarm('model-a', Date.now() + 600_000)
const service = create(deps)
await (service as unknown as Internal)._generate(LONG_PREFIX, typingContext({ prefix: LONG_PREFIX }), 3, 160)
service.handleTypingContext(typingContext({ prefix: `${LONG_PREFIX} 그리고`, idleMs: 100 }))
expect(service.isVisible).toBe(false)
expect(service.getState().lastSkipReason).toBe('stale')
})
})
describe('버그 2: 쿨다운 중 표시된 로컬 기억 세션', () => {
function coolingService(): { service: SuggestionService; fake: Fakes } {
const fake = fakes()
fake.deps.budget.noteFailure(Date.now())
fake.deps.budget.noteFailure(Date.now())
expect(fake.deps.budget.isCoolingDown(Date.now())).toBe(true)
harness.continuations = ['첫 번째 이어쓰기 문장입니다', '두 번째 이어쓰기 문장입니다']
const service = create(fake.deps)
service.handleTypingContext(typingContext())
expect(service.getState()).toMatchObject({ visible: true, provenance: { mode: 'local-memory' } })
expect(fake.record).toHaveBeenCalledTimes(1)
return { service, fake }
}
it('다음 후보 단축키(키 입력 직후 스냅샷)로 세션이 닫히지 않는다', () => {
const { service } = coolingService()
service.next()
service.handleTypingContext(typingContext({ idleMs: 100 }))
expect(service.getState()).toMatchObject({ visible: true, activeIndex: 1 })
})
it('멈춘 상태의 주기 스냅샷이 선택을 초기화하거나 이력을 중복 기록하지 않는다', () => {
const { service, fake } = coolingService()
service.next()
service.handleTypingContext(typingContext({ idleMs: 2000 }))
service.handleTypingContext(typingContext({ idleMs: 2800 }))
expect(service.getState().activeIndex).toBe(1)
expect(fake.record).toHaveBeenCalledTimes(1)
})
it('타이핑이 끊긴 뒤(not-typing)에도 읽는 중인 세션을 닫지 않는다', () => {
const { service } = coolingService()
service.handleTypingContext(typingContext({ typedRecently: false, idleMs: 9000 }))
expect(service.isVisible).toBe(true)
})
it('비밀번호 칸으로 옮기면 쿨다운 중에도 닫는다', () => {
const { service } = coolingService()
service.handleTypingContext(typingContext({ isPassword: true }))
expect(service.isVisible).toBe(false)
})
})
describe('버그 4: 모델 변경 뒤 콜드 모델로 바로 생성하지 않는다', () => {
it('이전 모델이 warm 이어도 새 모델은 워밍업부터 한다', async () => {
harness.streamGenerate.mockImplementation(() => streamOf('ok'))
const { deps } = fakes()
deps.warmth.noteWarm('model-a', Date.now() + 600_000)
const service = create(deps)
const internal = service as unknown as Internal
const generateSpy = vi.spyOn(internal, '_generate')
config.suggestionModelId = 'model-b'
service.handleTypingContext(typingContext())
expect(generateSpy).not.toHaveBeenCalled()
expect(harness.streamGenerate).toHaveBeenCalledWith('hi', expect.objectContaining({ model: 'model-b', maxTokens: 1 }))
expect(service.getState().lastSkipReason).toBe('model-unavailable')
await internal._warmUpPromise
expect(deps.warmth.isWarm('model-b', Date.now())).toBe(true)
})
it('handleModelChanged 는 새 콜드 모델을 미리 워밍업한다', async () => {
harness.streamGenerate.mockImplementation(() => streamOf('ok'))
const { deps } = fakes()
deps.warmth.noteWarm('model-a', Date.now() + 600_000)
const service = create(deps)
service.handleModelChanged()
expect(harness.streamGenerate).not.toHaveBeenCalled()
config.suggestionModelId = 'model-b'
service.handleModelChanged()
await (service as unknown as Internal)._warmUpPromise
expect(harness.streamGenerate).toHaveBeenCalledTimes(1)
expect(harness.streamGenerate).toHaveBeenCalledWith('hi', expect.objectContaining({ model: 'model-b' }))
})
})
describe('버그 5: 실패한 워밍업은 실패로 센다', () => {
it('워밍업 실패 뒤 다음 멈춤에서 워밍업을 바로 다시 쏘지 않고, 두 번째 실패로 쿨다운에 들어간다', async () => {
vi.useFakeTimers()
harness.streamGenerate.mockImplementation(() =>
(async function* () {
throw new Error('Ollama responded with 404')
})()
)
const { deps } = fakes()
const service = create(deps)
const internal = service as unknown as Internal
service.handleTypingContext(typingContext())
await internal._warmUpPromise
expect(harness.streamGenerate).toHaveBeenCalledTimes(1)
expect(deps.budget.consecutiveFailures).toBe(1)
expect(service.getState().lastSkipReason).toBe('generation-failed')
// 800ms 뒤 샘플 — 실패 직후라 워밍업을 다시 쏘지 않는다.
vi.advanceTimersByTime(800)
service.handleTypingContext(typingContext())
expect(harness.streamGenerate).toHaveBeenCalledTimes(1)
expect(service.getState()).toMatchObject({ warmingUp: false, lastSkipReason: 'generation-failed' })
// 물러서기 시간이 지나면 한 번 더 시도하고, 그 실패로 쿨다운에 들어간다.
vi.advanceTimersByTime(5000)
service.handleTypingContext(typingContext())
await internal._warmUpPromise
expect(harness.streamGenerate).toHaveBeenCalledTimes(2)
expect(deps.budget.isCoolingDown(Date.now())).toBe(true)
expect(service.getState().coolingDown).toBe(true)
})
})
describe('버그 6: 수락 직전 대상 창 확인', () => {
async function visibleService(fake: Fakes): Promise<SuggestionService> {
harness.streamGenerate.mockImplementation(() => streamOf('다음 단계도 확인하겠습니다.'))
fake.deps.warmth.noteWarm('model-a', Date.now() + 600_000)
const service = create(fake.deps)
await (service as unknown as Internal)._generate(SHORT_PREFIX, typingContext({ windowHandle: 101 }), 3, 160)
expect(service.isVisible).toBe(true)
return service
}
it('포커스가 다른 창으로 옮겨 갔으면 붙여넣지 않는다', async () => {
const fake = fakes()
const service = await visibleService(fake)
fake.foregroundHandle.value = 202
const result = await service.accept()
expect(result).toEqual({ ok: false, reason: 'stale' })
expect(harness.insertText).not.toHaveBeenCalled()
expect(fake.expectInsert).not.toHaveBeenCalled()
})
it('같은 창이면 삽입하고, 삽입 예고와 수락 학습을 한 번씩 알린다', async () => {
const fake = fakes()
const service = await visibleService(fake)
const result = await service.accept()
expect(result).toEqual({ ok: true })
expect(harness.insertText).toHaveBeenCalledWith('다음 단계도 확인하겠습니다.', 'clipboard')
expect(fake.expectInsert).toHaveBeenCalledWith('다음 단계도 확인하겠습니다.')
expect(fake.recordAccepted).toHaveBeenCalledTimes(1)
expect(fake.cancelInsert).not.toHaveBeenCalled()
})
it('삽입이 실패하면 삽입 예고를 취소한다', async () => {
const fake = fakes()
const service = await visibleService(fake)
harness.insertText.mockResolvedValueOnce({ success: false, method: 'clipboard', textLength: 0 })
const result = await service.accept()
expect(result.ok).toBe(false)
expect(fake.cancelInsert).toHaveBeenCalledTimes(1)
expect(fake.recordAccepted).not.toHaveBeenCalled()
})
it('창을 알 수 없으면(포그라운드 조회 실패) 기존처럼 삽입한다', async () => {
const fake = fakes()
const service = await visibleService(fake)
fake.foregroundHandle.value = null
expect(await service.accept()).toEqual({ ok: true })
})
})
describe('SuggestionBudget', () => {
it('consume 은 창을 먼저 굴린다 — 오래 쉰 뒤의 요청도 예산에 잡힌다', () => {
const budget = new SuggestionBudget()
const t0 = new Date(2026, 8, 28, 10, 0, 0).getTime()
budget.consume(t0)
const later = t0 + 120_000
budget.consume(later)
// 직후의 상태 조회(창 굴리기)가 방금 소비를 지우면 안 된다.
expect(budget.snapshot(later + 10)).toMatchObject({ requestsThisMinute: 1, requestsToday: 2 })
})
it('창이 바뀐 뒤의 환급은 새 창의 카운트를 깎지 않는다', () => {
const budget = new SuggestionBudget()
const t0 = new Date(2026, 8, 28, 10, 0, 0).getTime()
budget.consume(t0)
budget.consume(t0 + 61_000)
budget.snapshot(t0 + 61_000)
budget.consume(t0 + 62_000)
budget.refund()
expect(budget.snapshot(t0 + 62_000)).toMatchObject({ requestsThisMinute: 1 })
expect(budget.lastRequestAt).toBe(t0 + 61_000)
const other = new SuggestionBudget()
other.consume(t0)
other.snapshot(t0 + 61_000)
other.refund()
expect(other.minuteCount).toBe(0)
expect(other.dayCount).toBe(0)
})
it('연속 실패 임계에서 쿨다운, 성공이면 초기화, relaxInterval 은 최소 간격만 푼다', () => {
const budget = new SuggestionBudget({ failureCooldownThreshold: 2, failureCooldownMs: 60_000 })
expect(budget.noteFailure(1000)).toBe(false)
expect(budget.noteFailure(2000)).toBe(true)
expect(budget.isCoolingDown(61_999)).toBe(true)
expect(budget.isCoolingDown(62_000)).toBe(false)
budget.noteSuccess()
expect(budget.isCoolingDown(3000)).toBe(false)
budget.consume(100_000)
budget.relaxInterval(101_000, 5000)
expect(budget.snapshot(101_000)).toMatchObject({ sinceLastRequestMs: 5000, requestsThisMinute: 1 })
})
})
describe('ModelWarmTracker', () => {
it('온기와 워밍업 실패를 모델별로 기억한다', () => {
const tracker = new ModelWarmTracker()
tracker.noteWarm('a', 10_000)
expect(tracker.isWarm('a', 9_999)).toBe(true)
expect(tracker.isWarm('a', 10_000)).toBe(false)
expect(tracker.isWarm('b', 5_000)).toBe(false)
expect(tracker.isWarm(null, 5_000)).toBe(false)
tracker.noteWarmUpFailure('b', 1_000)
expect(tracker.isBackingOff('b', 5_999, 5_000)).toBe(true)
expect(tracker.isBackingOff('b', 6_000, 5_000)).toBe(false)
expect(tracker.isBackingOff('a', 2_000, 5_000)).toBe(false)
tracker.noteWarm('b', 20_000)
expect(tracker.isBackingOff('b', 2_000, 5_000)).toBe(false)
})
})