imccyu
99a6c14527
Move the facade, listener, state, wait and history tests onto the new controllers, and cover passive activation, omitted cursors and the event subscription frames.
49 lines
2.1 KiB
TypeScript
49 lines
2.1 KiB
TypeScript
/** Pure history response builders for assembled Session tests. */
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import { SESSION_FORMAT_VERSION } from '@deepseek-ai/dsh-session/types'
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import type {
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SessionAssistantStreamBaseline, SessionFollowFrame, SessionFollowRequest, SessionPage, SessionEventsPage, SessionProjectionBaseline,
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} from '../../src/types.ts'
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import { historyRecordLastSeq } from '../../src/client/sessions/history-records.ts'
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/**
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* Cut a history page at the Host cursor, preserving its other fields.
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* @param page - scripted history page.
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* @param throughSeq - inclusive final sequence.
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* @returns the page without records beyond the cursor.
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*/
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export function pageThrough(page: SessionPage, throughSeq: number): SessionEventsPage {
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return { ...page, cursor: throughSeq, records: page.records.filter(record => historyRecordLastSeq(record) <= throughSeq) }
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}
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/**
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* Build the opening follow frame for a Session or addressed child.
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* @param page - history and optional projection baseline.
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* @param request - addressed follow request.
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* @param cursor - opening cursor; defaults to the history tail, or -1 when empty.
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* @param assistantStream - baseline included only when the request opts in.
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* @returns the opening frame.
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*/
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export function followSnapshot(
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page: SessionPage & { readonly projections?: SessionProjectionBaseline },
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request: SessionFollowRequest,
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cursor = page.records.length === 0 ? -1 : historyRecordLastSeq(page.records.at(-1)!),
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assistantStream: SessionAssistantStreamBaseline = { revision: 0 },
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): Extract<SessionFollowFrame, { type: 'snapshot' }> {
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const { address } = request
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return {
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type: 'snapshot',
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header: {
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version: SESSION_FORMAT_VERSION,
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id: address.kind === 'session' ? address.sessionId : address.childSessionId,
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createdAt: 0,
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isSeeded: false,
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...(address.kind === 'subagent' ? { origin: 'subagent', parentSession: address.parentSessionId } : {}),
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},
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cursor,
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records: pageThrough(page, cursor).records,
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hasMore: page.hasMore,
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projections: page.projections ?? { asOfSeq: cursor, values: {} },
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...(request.assistantStream === true ? { assistantStream } : {}),
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}
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}
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