Tianyi Cui
91 lines
4.0 KiB
TypeScript
91 lines
4.0 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { Context } from 'cordis'
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import SessionStore from '@deepseek-ai/dsh-session'
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import * as CompactInvariant from '@deepseek-ai/dsh-compact/invariant'
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import InvariantService from '@deepseek-ai/dsh-invariants'
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async function setup(): Promise<Context> {
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const ctx = new Context()
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await ctx.plugin(SessionStore)
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await ctx.plugin(InvariantService)
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await ctx.plugin(CompactInvariant)
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return ctx
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}
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const summary = (overrides: Record<string, unknown> = {}) => ({
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summary: [{ type: 'text' as const, text: 'short' }],
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shadowedRange: { start: 2, end: 4 },
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shadowedSeqs: [2, 3, 4],
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shadowedTokenCount: 12,
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provider: 'mock',
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model: 'mock',
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...overrides,
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})
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describe('compaction invariants', () => {
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it('accepts successful and failed compaction lifecycles', async () => {
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const ctx = await setup()
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const success = ctx.sessions.create()
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success.append('compact/start', { turn: 1 })
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success.append('compact/summary', summary())
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success.append('compact/end', { turn: 1 })
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const failed = ctx.sessions.create()
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failed.append('compact/start', { turn: 2 })
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failed.append('compact/end', { turn: 2, error: 'provider failed' })
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})
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it('rebuilds an open trace when the companion loads after the session', async () => {
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const ctx = new Context()
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await ctx.plugin(SessionStore)
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const session = ctx.sessions.create()
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session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
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session.append('compact/start', { turn: 3 })
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await ctx.plugin(InvariantService)
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await ctx.plugin(CompactInvariant)
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expect(() => session.append('compact/end', { turn: 3, error: 'resume failed' })).not.toThrow()
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session.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
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})
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it.each([
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['summary without start', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/summary', summary())
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}, /no matching compact\/start/],
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['nested start', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/start', { turn: 2 })
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}, /still compacting/],
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['repeated summary', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/summary', summary())
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session.append('compact/summary', summary())
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}, /repeated within one compaction/],
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['empty shadow set', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/summary', summary({ shadowedSeqs: [] }))
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}, /shadowedSeqs must be non-empty/],
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['wrong endpoints', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/summary', summary({ shadowedRange: { start: 1, end: 4 } }))
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}, /shadowedRange must match/],
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['invalid token count', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/summary', summary({ shadowedTokenCount: -1 }))
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}, /non-negative safe integer/],
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['end without start', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/end', { turn: 1, error: 'failed' })
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}, /no matching compact\/start/],
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['wrong end turn', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/end', { turn: 2, error: 'failed' })
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}, /does not match/],
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['success without summary', (session: ReturnType<Context['sessions']['create']>) => {
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session.append('compact/start', { turn: 1 })
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session.append('compact/end', { turn: 1 })
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}, /requires one compact\/summary/],
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])('rejects %s', async (_name, action, message) => {
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const ctx = await setup()
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expect(() => { action(ctx.sessions.create()) }).toThrow(message)
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})
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})
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