Files
deepseek-harness/packages/session-query/tool-session-query/tests/tool-session-query.spec.ts
2026-07-24 15:58:03 +08:00

820 lines
33 KiB
TypeScript

import { afterEach, describe, expect, it, vi } from 'vitest'
import { Context, type Fiber } from 'cordis'
import type { Agent } from '@deepseek-ai/dsh-agent'
import { CallId, HarnessError } from '@deepseek-ai/dsh-llm'
import { MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout'
import SessionStore, {
SESSION_FORMAT_VERSION,
SessionId,
type Session,
type SessionHeader,
type SessionId as SessionIdValue,
} from '@deepseek-ai/dsh-session'
import SessionQueryService, {
SessionQueryError,
SessionSearchCursor,
type SessionEventSearchHit,
type SessionEventSearchRequest,
type SessionSearchExecContext,
type SessionSearchHit,
type SessionSearchPage,
type SessionSearchRequest,
} from '@deepseek-ai/dsh-session-query'
import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
import ToolRegistry, { type ToolExecutionResult } from '@deepseek-ai/dsh-tools'
import * as ToolSessionQuery from '@deepseek-ai/dsh-tool-session-query'
const activeContexts: Context[] = []
afterEach(async () => {
vi.restoreAllMocks()
for (const ctx of activeContexts.splice(0)) await ctx.fiber.dispose()
FakeQuery.reset()
})
function header(id: string, cwd: string | undefined, createdAt = 1, parentSession?: SessionIdValue): SessionHeader {
return {
version: SESSION_FORMAT_VERSION,
id: SessionId(id),
createdAt,
...cwd === undefined ? {} : { cwd },
...parentSession === undefined ? {} : { parentSession },
}
}
function createSession(
ctx: Context,
id: string,
cwd: string | undefined,
createdAt = 1,
parentSession?: SessionIdValue,
): Session {
return ctx.sessions.create(SessionId(id), {
meta: {
createdAt,
...cwd === undefined ? {} : { cwd },
...parentSession === undefined ? {} : { parentSession },
},
})
}
function openStep(session: Session, text = 'prior needle'): void {
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
session.append(
'user/message',
{ content: [{ type: 'text', text }], source: { kind: 'user' } },
{ surfaceOp: 'append' },
)
session.append('step/start', { turn: 1, step: 1 })
}
function fakeAgent(session: Session): Agent {
return { id: session.id, session } as unknown as Agent
}
function sessionHit(
id: string,
cwd: string | undefined,
text = 'needle excerpt',
parentSession?: SessionIdValue,
): SessionSearchHit {
return {
header: header(id, cwd, 100, parentSession),
live: true,
persisted: false,
bestMatch: {
sessionId: SessionId(id),
seq: 4,
type: 'assistant/message',
time: 200,
surface: 'current',
snippet: text,
},
}
}
function eventHit(sessionId: SessionIdValue, seq: number, text = 'needle excerpt'): SessionEventSearchHit {
return {
sessionId,
seq,
type: 'user/message',
time: 200 + seq,
surface: 'current',
snippet: text,
}
}
class FakeQuery extends SessionQueryService {
static sessionSearch: (
request: SessionSearchRequest,
exec?: SessionSearchExecContext,
) => Promise<SessionSearchPage<SessionSearchHit>> = () => Promise.resolve({ items: [] })
static eventSearch: (
request: SessionEventSearchRequest,
exec?: SessionSearchExecContext,
) => Promise<SessionSearchPage<SessionEventSearchHit>> = () => Promise.resolve({ items: [] })
static sessionRequests: SessionSearchRequest[] = []
static eventRequests: SessionEventSearchRequest[] = []
static searchSignals: Array<AbortSignal | undefined> = []
static titles = new Map<SessionIdValue, string | Error>()
static reset(): void {
this.sessionSearch = () => Promise.resolve({ items: [] })
this.eventSearch = () => Promise.resolve({ items: [] })
this.sessionRequests = []
this.eventRequests = []
this.searchSignals = []
this.titles = new Map()
}
override searchSessions(
request: SessionSearchRequest,
exec?: SessionSearchExecContext,
): Promise<SessionSearchPage<SessionSearchHit>> {
FakeQuery.sessionRequests.push(request)
FakeQuery.searchSignals.push(exec?.signal)
return FakeQuery.sessionSearch(request, exec)
}
override searchEvents(
request: SessionEventSearchRequest,
exec?: SessionSearchExecContext,
): Promise<SessionSearchPage<SessionEventSearchHit>> {
FakeQuery.eventRequests.push(request)
FakeQuery.searchSignals.push(exec?.signal)
return FakeQuery.eventSearch(request, exec)
}
override async readTitle(sessionId: SessionIdValue) {
const value = FakeQuery.titles.get(sessionId)
if (value instanceof Error) throw value
if (value === undefined) return super.readTitle(sessionId)
return {
title: value,
messageSeqs: [],
source: { kind: 'fallback' as const },
eventSeq: 0,
updatedAt: 1,
}
}
}
interface Mounted {
readonly ctx: Context
readonly fiber: Fiber
readonly caller: Session
call(name: string, args: unknown, options?: { agent?: Agent; signal?: AbortSignal }): Promise<ToolExecutionResult>
}
async function mount(
config: ToolSessionQuery.Config = {},
callerCwd: string | null = '/work',
): Promise<Mounted> {
const ctx = new Context()
activeContexts.push(ctx)
await ctx.plugin(SessionStore)
await ctx.plugin(SystemPrompt)
await ctx.plugin(ToolRegistry)
await ctx.plugin(FakeQuery)
const fiber = await ctx.plugin(ToolSessionQuery, config)
const caller = createSession(ctx, 'caller', callerCwd ?? undefined, 10)
openStep(caller)
let calls = 0
return {
ctx,
fiber,
caller,
call: (toolName, args, options = {}) => ctx.tools.execute({
name: toolName,
arguments: args,
callId: CallId(`call-${++calls}`),
signal: options.signal ?? new AbortController().signal,
...options.agent === undefined ? { agent: fakeAgent(caller) } : { agent: options.agent },
}),
}
}
function text(result: ToolExecutionResult): string {
return result.content.map(block => block.type === 'text' ? block.text : '').join('\n')
}
function errorCode(result: ToolExecutionResult): string | undefined {
return result.isError ? result.error.info?.code : undefined
}
describe('registration and schemas', () => {
it('registers the five cursor-free tools, prompt, timeouts, and pure generic presenters, then disposes them', async () => {
const mounted = await mount({ maxSearchResults: 7, searchTimeoutMs: 1234 })
const names = mounted.ctx.tools.schemas().map(schema => schema.name)
expect(names).toEqual([
'session_search',
'session_event_search',
'session_trace',
'session_event_trace',
'session_event_read',
])
const sessionSchema = mounted.ctx.tools.schemas().find(schema => schema.name === 'session_search')
expect(sessionSchema?.parameters).not.toHaveProperty('properties.cursor')
expect(sessionSchema?.parameters).not.toHaveProperty('properties.limit')
expect(sessionSchema?.parameters).not.toHaveProperty('properties.cwd')
expect(mounted.ctx.tools.get('session_search')?.timeoutMs).toBe(1234)
expect(mounted.ctx.tools.get('session_trace')?.timeoutMs).toBeUndefined()
const safeArgs: Record<string, unknown> = {
session_search: { query: 'q' },
session_event_search: { query: 'q' },
session_trace: {},
session_event_trace: { seq: 0 },
session_event_read: { seq: 0 },
}
for (const name of names) {
expect(mounted.ctx.tools.get(name)?.isConcurrencySafe?.(safeArgs[name])).toBe(true)
}
expect(mounted.ctx.tools.get('session_search')?.output.render({}, 'rendered'))
.toEqual([{ type: 'text', text: 'rendered' }])
expect(mounted.ctx.tools.get('session_search')?.presentCall?.({ query: 'needle' }))
.toEqual({ card: 'generic', kind: 'search', title: 'Search prior sessions', rawInput: 'needle' })
expect(mounted.ctx.tools.get('session_event_search')?.presentCall?.({ query: 'needle' }))
.toEqual({ card: 'generic', kind: 'search', title: 'Search session events', rawInput: 'needle' })
expect(mounted.ctx.tools.get('session_trace')?.presentCall?.({}))
.toEqual({ card: 'generic', kind: 'read', title: 'Trace current session' })
expect(mounted.ctx.tools.get('session_trace')?.presentCall?.({ session_id: 'other' }))
.toEqual({ card: 'generic', kind: 'read', title: 'Trace session other', rawInput: 'other' })
expect(mounted.ctx.tools.get('session_event_trace')?.presentCall?.({ session_id: 'other', seq: 3 }))
.toEqual({
card: 'generic',
kind: 'read',
title: 'Trace event 3',
rawInput: { session_id: 'other', seq: 3 },
})
expect(mounted.ctx.tools.get('session_event_read')?.presentCall?.({ seq: 4 }))
.toEqual({ card: 'generic', kind: 'read', title: 'Read event 4', rawInput: { seq: 4 } })
const assembly = await mounted.ctx.systemPrompt.assemble()
expect(assembly.sections.find(section => section.name === 'tool:session-query')?.text)
.toContain('prior sessions')
await mounted.fiber.dispose()
expect(mounted.ctx.tools.schemas().map(schema => schema.name)).toEqual([])
expect((await mounted.ctx.systemPrompt.assemble()).sections.map(section => section.name))
.not.toContain('tool:session-query')
})
it('fails invalid direct config before registering anything', async () => {
const mounted = await mount()
for (const maxSearchResults of [0, 1.5, Number.NaN]) {
expect(() => { ToolSessionQuery.apply(mounted.ctx, { maxSearchResults }) })
.toThrow('maxSearchResults')
}
for (const searchTimeoutMs of [0, 1.5, Number.POSITIVE_INFINITY, MAX_TIMER_DELAY_MS + 1]) {
expect(() => { ToolSessionQuery.apply(mounted.ctx, { searchTimeoutMs }) })
.toThrow(`no greater than ${MAX_TIMER_DELAY_MS}`)
}
expect(() => { ToolSessionQuery.apply(new Context(), {}) }).toThrow()
})
it('expresses the complete Node timer range in the Loader config schema', () => {
expect(new ToolSessionQuery.Config({ searchTimeoutMs: MAX_TIMER_DELAY_MS }))
.toEqual({ maxSearchResults: 100, searchTimeoutMs: MAX_TIMER_DELAY_MS })
expect(() => new ToolSessionQuery.Config({ searchTimeoutMs: 1.5 })).toThrow()
expect(() => new ToolSessionQuery.Config({ searchTimeoutMs: MAX_TIMER_DELAY_MS + 1 })).toThrow()
})
})
describe('input validation and translation', () => {
it.each([
[{ query: ' ' }, 'SESSION_QUERY_INVALID_QUERY'],
[{ query: 'bad\0query' }, 'SESSION_QUERY_INVALID_QUERY'],
[{ query: 'q', session_ids: [] }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', parent_session_ids: [] }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', availability: [] }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', availability: ['archived'] }, 'INVALID_ARGS'],
[{ query: 'q', event_types: [] }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', event_surfaces: [] }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', event_surfaces: ['hidden'] }, 'INVALID_ARGS'],
[{ query: 'q', event_seq_from: -1 }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', event_seq_to: Number.MAX_SAFE_INTEGER + 1 }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', event_seq_from: 2, event_seq_to: 1 }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-07-24T10:00:00' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-02-30T10:00:00Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2100-02-29T10:00:00Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-04-31T10:00:00Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-01-01T24:00:00Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-01-01T00:60:00Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-01-01T00:00:60Z' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-01-01T00:00:00+24:00' }, 'SESSION_QUERY_INVALID_FILTER'],
[{ query: 'q', created_at_from: '2026-01-01T00:00:00+00:60' }, 'SESSION_QUERY_INVALID_FILTER'],
[{
query: 'q',
created_at_from: '2026-07-25T00:00:00Z',
created_at_to: '2026-07-24T00:00:00Z',
}, 'SESSION_QUERY_INVALID_FILTER'],
])('rejects invalid search arguments %#', async (args, code) => {
const mounted = await mount()
const result = await mounted.call('session_search', args)
expect(errorCode(result)).toBe(code)
})
it('normalizes the query and compiles inclusive session/event filters with one parent OR clause', async () => {
const mounted = await mount()
await mounted.call('session_search', {
query: ' alpha beta ',
session_ids: ['a', 'b'],
created_at_from: '2026-07-24T00:00:00+08:00',
created_at_to: '2026-07-24T01:00:00+08:00',
parent_session_ids: ['parent'],
include_root_sessions: true,
availability: ['live'],
event_seq_from: 2,
event_seq_to: 9,
event_time_from: '2026-07-24T00:00:00Z',
event_time_to: '2026-07-24T01:00:00Z',
event_types: ['plugin/open-event'],
event_surfaces: ['shadowed'],
})
expect(FakeQuery.sessionRequests).toHaveLength(1)
expect(FakeQuery.sessionRequests[0]).toEqual({
query: 'alpha beta',
sessionFilters: [
{ kind: 'id', values: ['a', 'b'] },
{
kind: 'created-at',
from: Date.parse('2026-07-24T00:00:00+08:00'),
to: Date.parse('2026-07-24T01:00:00+08:00'),
},
{ kind: 'parent', values: ['parent', null] },
{ kind: 'availability', values: ['live'] },
{ kind: 'cwd', values: ['/work'] },
],
eventFilters: [
{ kind: 'seq', from: 2, to: 9 },
{
kind: 'time',
from: Date.parse('2026-07-24T00:00:00Z'),
to: Date.parse('2026-07-24T01:00:00Z'),
},
{ kind: 'type', values: ['plugin/open-event'] },
{ kind: 'surface', values: ['shadowed'] },
],
})
})
it('compiles one-sided timestamps and independent root/parent clauses', async () => {
const mounted = await mount()
await mounted.call('session_search', {
query: 'q',
created_at_from: '2024-02-29T00:00Z',
include_root_sessions: true,
event_time_to: '2000-02-29T00:00Z',
})
expect(FakeQuery.sessionRequests[0]?.sessionFilters).toContainEqual({
kind: 'created-at',
from: Date.parse('2024-02-29T00:00Z'),
})
expect(FakeQuery.sessionRequests[0]?.sessionFilters).toContainEqual({
kind: 'parent',
values: [null],
})
expect(FakeQuery.sessionRequests[0]?.eventFilters).toContainEqual({
kind: 'time',
to: Date.parse('2000-02-29T00:00Z'),
})
await mounted.call('session_search', {
query: 'q',
parent_session_ids: ['parent'],
})
expect(FakeQuery.sessionRequests[1]?.sessionFilters).toContainEqual({
kind: 'parent',
values: ['parent'],
})
})
})
describe('workspace authority and lineage redaction', () => {
it('fails closed without an agent and for direct cross-workspace targets', async () => {
const mounted = await mount()
createSession(mounted.ctx, 'outside', '/outside')
const missing = await mounted.ctx.tools.execute({
name: 'session_trace',
arguments: {},
callId: CallId('missing-agent'),
signal: new AbortController().signal,
})
expect(errorCode(missing)).toBe('SESSION_QUERY_TOOL_MISSING_AGENT')
const denied = await mounted.call('session_event_read', { session_id: 'outside', seq: 0 })
expect(errorCode(denied)).toBe('SESSION_QUERY_TOOL_UNAUTHORIZED')
expect(text(denied)).not.toContain('session "outside"')
})
it('allows only self for a null-cwd caller and denies cross-session search', async () => {
const mounted = await mount({}, null)
const own = await mounted.call('session_trace', {})
expect(own.isError).toBe(false)
expect(text(own)).toContain('Session caller')
expect(errorCode(await mounted.call('session_search', { query: 'q' })))
.toBe('SESSION_QUERY_TOOL_UNAUTHORIZED')
createSession(mounted.ctx, 'other', undefined)
expect(errorCode(await mounted.call('session_trace', { session_id: 'other' })))
.toBe('SESSION_QUERY_TOOL_UNAUTHORIZED')
})
it('redacts an unauthorized ancestor and prunes unauthorized descendant subtrees without hidden ids', async () => {
const mounted = await mount()
const hiddenParent = createSession(mounted.ctx, 'hidden-parent-secret', '/outside')
const target = createSession(mounted.ctx, 'target', '/work', 20, hiddenParent.id)
const visible = createSession(mounted.ctx, 'visible-child', '/work', 30, target.id)
const hidden = createSession(mounted.ctx, 'hidden-child-secret', '/outside', 40, target.id)
createSession(mounted.ctx, 'hidden-grandchild-secret', '/work', 50, hidden.id)
FakeQuery.titles.set(target.id, 'Target title')
FakeQuery.titles.set(visible.id, 'Visible title')
const result = await mounted.call('session_trace', { session_id: target.id })
const output = text(result)
expect(output).toContain('Target title')
expect(output).toContain('visible-child')
expect(output).toContain('[outside workspace boundary]')
expect(output).toContain('[outside workspace subtree]')
expect(output).not.toContain('hidden-parent-secret')
expect(output).not.toContain('hidden-child-secret')
expect(output).not.toContain('hidden-grandchild-secret')
})
it('renders authorized ancestors and an unresolved lineage boundary without leaking it', async () => {
const mounted = await mount()
const root = createSession(mounted.ctx, 'visible-root', '/work', 5)
const target = createSession(mounted.ctx, 'visible-target', '/work', 6, root.id)
const complete = text(await mounted.call('session_trace', { session_id: target.id }))
expect(complete).toContain('visible-root')
const missingParent = SessionId('missing-parent-secret')
const incomplete = createSession(mounted.ctx, 'incomplete-target', '/work', 7, missingParent)
const redacted = text(await mounted.call('session_trace', { session_id: incomplete.id }))
expect(redacted).toContain('[outside workspace boundary]')
expect(redacted).not.toContain(missingParent)
})
it('renders unavailable trace records and keeps a self-id descendant authorized', async () => {
const mounted = await mount()
const target = createSession(mounted.ctx, 'trace-unavailable', '/work')
const [record] = await mounted.ctx.sessionQuery.filterSessions([{ kind: 'id', values: [target.id] }])
const [callerRecord] = await mounted.ctx.sessionQuery.filterSessions([{
kind: 'id',
values: [mounted.caller.id],
}])
if (record === undefined || callerRecord === undefined) throw new Error('expected live records')
const unavailable = { ...record, live: false, persisted: false }
const persisted = { ...callerRecord, live: false, persisted: true }
vi.spyOn(mounted.ctx.sessionQuery, 'traceSession').mockResolvedValue({
target: unavailable,
ancestors: [],
descendants: [{ session: persisted, descendants: [] }],
complete: true,
root: unavailable,
})
const output = text(await mounted.call('session_trace', { session_id: target.id }))
expect(output).toContain('Availability: unavailable')
expect(output).toContain(mounted.caller.id)
expect(output).toContain('persisted')
})
})
describe('search paging, prior-history bounds, titles, and cancellation', () => {
it('drains hidden internal pages to the authorized non-self cap and masks an unauthorized parent id', async () => {
const mounted = await mount({ maxSearchResults: 2 })
const outside = createSession(mounted.ctx, 'outside-parent-secret', '/outside')
const a = createSession(mounted.ctx, 'a', '/work')
const b = createSession(mounted.ctx, 'b', '/work')
FakeQuery.titles.set(a.id, 'Alpha')
FakeQuery.titles.set(b.id, 'Beta')
const c1 = SessionSearchCursor('c1')
const c2 = SessionSearchCursor('c2')
FakeQuery.sessionSearch = (request) => {
if (request.cursor === undefined) {
return Promise.resolve({
items: [
sessionHit('caller', '/work'),
sessionHit('unauthorized', '/outside'),
],
nextCursor: c1,
})
}
if (request.cursor === c1) {
return Promise.resolve({
items: [sessionHit('a', '/work', 'first', outside.id)],
nextCursor: c2,
})
}
return Promise.resolve({
items: [
sessionHit('b', '/work', 'second'),
sessionHit('additional-authorized', '/work', 'third'),
],
})
}
const result = await mounted.call('session_search', { query: 'needle' })
const output = text(result)
expect(FakeQuery.sessionRequests).toHaveLength(3)
expect(FakeQuery.sessionRequests.every(request => request.limit === undefined)).toBe(true)
expect(FakeQuery.sessionRequests.map(request => request.cursor)).toEqual([undefined, c1, c2])
expect(output).toContain('Session a — Alpha')
expect(output).toContain('Session b — Beta')
expect(output).toContain('Parent: [outside workspace]')
expect(output).not.toContain('outside-parent-secret')
expect(output).toContain('Result cap reached')
})
it('does not report a cap when only rejected hits remain after the authorized limit', async () => {
const mounted = await mount({ maxSearchResults: 1 })
const cursor = SessionSearchCursor('rejected-tail')
FakeQuery.sessionSearch = request => request.cursor === undefined
? Promise.resolve({
items: [sessionHit('authorized', '/work')],
nextCursor: cursor,
})
: Promise.resolve({
items: [
sessionHit(mounted.caller.id, '/work'),
sessionHit('outside', '/outside'),
],
})
const output = text(await mounted.call('session_search', { query: 'needle' }))
expect(FakeQuery.sessionRequests.map(request => request.cursor)).toEqual([undefined, cursor])
expect(output).toContain('Session authorized')
expect(output).not.toContain('Result cap reached')
})
it('preserves stale-cursor diagnostics without transparently restarting', async () => {
const mounted = await mount({ maxSearchResults: 2 })
const cursor = SessionSearchCursor('stale-next')
FakeQuery.sessionSearch = request => request.cursor === undefined
? Promise.resolve({ items: [], nextCursor: cursor })
: Promise.reject(new SessionQueryError('stale provider generation', 'SESSION_QUERY_STALE_CURSOR'))
const result = await mounted.call('session_search', { query: 'needle' })
expect(errorCode(result)).toBe('SESSION_QUERY_STALE_CURSOR')
expect(text(result)).toContain('retry the complete search call')
expect(FakeQuery.sessionRequests).toHaveLength(2)
})
it('rejects a repeated internal cursor instead of looping', async () => {
const mounted = await mount()
const cursor = SessionSearchCursor('repeat')
FakeQuery.sessionSearch = () => Promise.resolve({ items: [], nextCursor: cursor })
const result = await mounted.call('session_search', { query: 'needle' })
expect(errorCode(result)).toBe('SESSION_QUERY_INVALID_CURSOR')
expect(FakeQuery.sessionRequests).toHaveLength(2)
})
it('renders authorized parent ids and all availability states', async () => {
const mounted = await mount({ maxSearchResults: 3 })
const parent = createSession(mounted.ctx, 'parent', '/work')
const child = createSession(mounted.ctx, 'child', '/work', 2, parent.id)
const callerChild = createSession(mounted.ctx, 'caller-child', '/work', 3, mounted.caller.id)
FakeQuery.sessionSearch = () => Promise.resolve({
items: [
{ ...sessionHit(child.id, '/work', 'both', parent.id), live: true, persisted: true },
{ ...sessionHit(callerChild.id, '/work', 'persisted', mounted.caller.id), live: false, persisted: true },
{ ...sessionHit('unavailable', '/work', 'neither'), live: false, persisted: false },
],
})
const output = text(await mounted.call('session_search', { query: 'needle' }))
expect(output).toContain('Parent: parent')
expect(output).toContain(`Parent: ${mounted.caller.id}`)
expect(output).toContain('Availability: live, persisted')
expect(output).toContain('Availability: persisted')
expect(output).toContain('Availability: unavailable')
})
it('intersects current-session search with the event before the latest step and leaves other targets unchanged', async () => {
const mounted = await mount()
FakeQuery.eventSearch = request => Promise.resolve({
items: [eventHit(request.sessionId, 1)],
})
await mounted.call('session_event_search', {
query: 'prior',
seq_from: 0,
seq_to: 99,
})
expect(FakeQuery.eventRequests[0]?.filters).toContainEqual({ kind: 'seq', from: 0, to: 1 })
const other = createSession(mounted.ctx, 'other', '/work')
await mounted.call('session_event_search', {
session_id: other.id,
query: 'prior',
seq_from: 0,
seq_to: 99,
})
expect(FakeQuery.eventRequests[1]?.filters).toContainEqual({ kind: 'seq', from: 0, to: 99 })
})
it('returns no current-session hits without calling FTS when the user range starts in the active step', async () => {
const mounted = await mount()
const result = await mounted.call('session_event_search', {
query: 'prior',
seq_from: 2,
})
expect(result.isError).toBe(false)
expect(text(result)).toContain('No prior event matches found.')
expect(FakeQuery.eventRequests).toEqual([])
})
it('requires a current step boundary and drains event pages to a capped result', async () => {
const mounted = await mount({ maxSearchResults: 2 })
const noStep = createSession(mounted.ctx, 'no-step', '/work')
const missing = await mounted.call(
'session_event_search',
{ query: 'q' },
{ agent: fakeAgent(noStep) },
)
expect(errorCode(missing)).toBe('SESSION_QUERY_TOOL_NO_CURRENT_STEP')
const other = createSession(mounted.ctx, 'paged-events', '/work')
const cursor = SessionSearchCursor('events-next')
FakeQuery.eventSearch = request => request.cursor === undefined
? Promise.resolve({ items: [eventHit(other.id, 1)], nextCursor: cursor })
: Promise.resolve({ items: [eventHit(other.id, 2), eventHit(other.id, 3)] })
const result = await mounted.call('session_event_search', {
session_id: other.id,
query: 'q',
})
expect(FakeQuery.eventRequests.map(request => request.cursor)).toEqual([undefined, cursor])
expect(text(result)).toContain('Result cap reached')
})
it('preserves base results when a title read fails, annotates the code, and logs the full error', async () => {
const mounted = await mount()
const hit = createSession(mounted.ctx, 'hit', '/work')
const failure = new HarnessError('title backend failed', 'TITLE_BACKEND')
FakeQuery.titles.set(hit.id, failure)
FakeQuery.sessionSearch = () => Promise.resolve({ items: [sessionHit(hit.id, '/work')] })
const warn = vi.spyOn(mounted.ctx.logger, 'warn').mockImplementation(() => undefined)
const result = await mounted.call('session_search', { query: 'needle' })
expect(result.isError).toBe(false)
expect(text(result)).toContain('untitled (title unavailable: TITLE_BACKEND)')
expect(warn).toHaveBeenCalledWith(expect.stringContaining('title backend failed'))
expect(warn).toHaveBeenCalledWith(expect.stringContaining('HarnessError'))
})
it('reports unknown title failures and preserves an Error without a stack', async () => {
const mounted = await mount()
const first = createSession(mounted.ctx, 'unknown-title', '/work')
const second = createSession(mounted.ctx, 'stackless-title', '/work')
const stackless = new Error('stackless')
Object.defineProperty(stackless, 'stack', { value: undefined })
const readTitle = vi.spyOn(mounted.ctx.sessionQuery, 'readTitle')
.mockRejectedValueOnce('string failure')
.mockRejectedValueOnce(stackless)
FakeQuery.sessionSearch = () => Promise.resolve({
items: [
sessionHit(first.id, '/work'),
sessionHit(second.id, '/work'),
],
})
const warn = vi.spyOn(mounted.ctx.logger, 'warn').mockImplementation(() => undefined)
const result = await mounted.call('session_search', { query: 'needle' })
expect(text(result)).toContain('title unavailable: UNKNOWN')
expect(readTitle).toHaveBeenCalledTimes(2)
expect(warn).toHaveBeenCalledWith(expect.stringContaining('string failure'))
expect(warn).toHaveBeenCalledWith(expect.stringContaining('Error: stackless'))
})
it('does not downgrade cancellation during title enrichment', async () => {
const mounted = await mount()
const hit = createSession(mounted.ctx, 'abort-title', '/work')
const controller = new AbortController()
FakeQuery.sessionSearch = () => Promise.resolve({ items: [sessionHit(hit.id, '/work')] })
vi.spyOn(mounted.ctx.sessionQuery, 'readTitle').mockImplementation(() => {
controller.abort()
return Promise.reject(new Error('cancelled title'))
})
const result = await mounted.call('session_search', { query: 'needle' }, { signal: controller.signal })
expect(result.isError).toBe(true)
expect(text(result)).not.toContain('title unavailable')
})
it('passes the exact execution signal to every FTS page and stops on cancellation', async () => {
const mounted = await mount()
const controller = new AbortController()
let started!: () => void
const bodyStarted = new Promise<void>((resolve) => { started = resolve })
FakeQuery.sessionSearch = (_request, exec) => new Promise((_resolve, reject) => {
started()
exec?.signal?.addEventListener('abort', () => {
reject(new SessionQueryError('aborted', 'SESSION_QUERY_ABORTED'))
}, { once: true })
})
const pending = mounted.call('session_search', { query: 'needle' }, { signal: controller.signal })
await bodyStarted
controller.abort()
const result = await pending
expect(result.isError).toBe(true)
expect(errorCode(result)).toBe('SESSION_QUERY_ABORTED')
expect(FakeQuery.searchSignals).toEqual([controller.signal])
})
})
describe('trace and exact read rendering', () => {
it('renders every event relationship sequence and a UTC target timestamp', async () => {
const mounted = await mount()
const session = createSession(mounted.ctx, 'relationships', '/work')
session.append(
'user/message',
{ content: [{ type: 'text', text: 'source' }], source: { kind: 'user' } },
{ surfaceOp: 'append' },
)
session.append(
'assistant/message',
{
turn: 1,
step: 1,
content: [{ type: 'text', text: 'replacement' }],
provenance: { provider: 'test', model: 'test' },
},
{ surfaceOp: { op: 'replace', start: 0, end: 0 }, sourceEventSeqs: [0] },
)
const result = await mounted.call('session_event_trace', { session_id: session.id, seq: 0 })
expect(text(result)).toContain('Replacement chain: 1')
expect(text(result)).toContain('Direct derived events: 1')
expect(text(result)).toContain(new Date(session.events[0]?.time ?? 0).toISOString())
})
it('renders unabridged fenced target JSON and readable semantic neighbor summaries', async () => {
const mounted = await mount()
const session = createSession(mounted.ctx, 'read', '/work')
session.append(
'user/message',
{ content: [{ type: 'text', text: 'before semantic text' }], source: { kind: 'user' } },
{ surfaceOp: 'append' },
)
session.append(
'assistant/message',
{
turn: 1,
step: 1,
content: [{ type: 'text', text: 'target full text' }],
provenance: { provider: 'test', model: 'test' },
},
{ surfaceOp: 'append' },
)
session.append(
'context/message',
{ content: [{ type: 'text', text: 'after semantic text' }], source: { kind: 'plugin', plugin: 'test' } },
{ surfaceOp: 'append' },
)
const result = await mounted.call('session_event_read', {
session_id: session.id,
seq: 1,
before: 1,
after: 1,
})
const output = text(result)
expect(output).toContain('```json')
expect(output).toContain('"text": "target full text"')
expect(output).toContain('before semantic text')
expect(output).toContain('after semantic text')
expect(output).not.toContain('truncated')
})
it('renders empty event relationships and neighbors without semantic text', async () => {
const mounted = await mount()
const session = createSession(mounted.ctx, 'empty-relations', '/work')
session.append('step/start', { turn: 1, step: 1 })
session.append('step/end', { turn: 1, step: 1 })
const trace = text(await mounted.call('session_event_trace', {
session_id: session.id,
seq: 0,
}))
expect(trace).toContain('Replaced by: none')
expect(trace).toContain('Replacement chain: none')
const onlyAfter = text(await mounted.call('session_event_read', {
session_id: session.id,
seq: 0,
after: 1,
}))
expect(onlyAfter).not.toContain('Before:')
expect(onlyAfter).toContain('(no semantic text)')
const onlyBefore = text(await mounted.call('session_event_read', {
session_id: session.id,
seq: 1,
before: 1,
}))
expect(onlyBefore).toContain('Before:')
expect(onlyBefore).not.toContain('After:')
})
it.each([
['session_event_trace', { seq: -1 }],
['session_event_read', { seq: Number.MAX_SAFE_INTEGER + 1 }],
['session_event_read', { seq: 0, before: -1 }],
['session_event_read', { seq: 0, after: 1.5 }, 'INVALID_ARGS'],
])('rejects invalid exact-read integers for %s', async (name, args, expected = 'SESSION_QUERY_INVALID_FILTER') => {
const mounted = await mount()
expect(errorCode(await mounted.call(name, args))).toBe(expected)
})
})