refactor(client-runtime): remove legacy history fold
This commit is contained in:
imccyu
@@ -1,232 +0,0 @@
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import { createMessage, createUserMessage } from '@deepseek-ai/dsh-llm'
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import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
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import { describe, expect, it } from 'vitest'
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import { projectConversationHistory } from '../src/client/session-history/history-fold.ts'
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import { compactHistoryInspectionEntries } from '../src/client/sessions/history.ts'
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import { inspectRequests } from '../src/client/sessions/request-inspection.ts'
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import { ev } from './event-script.ts'
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const at = (seq: number, event: Record<string, unknown>): SessionEvent =>
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({ seq, time: 1_700_000_000_000 + seq, ...event }) as unknown as SessionEvent
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describe('projectConversationHistory', () => {
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it('names an injected context node from its durable source, like the live adapter', () => {
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// The fold declares its own node mapping (jscpd:ignore in the source), so
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// the source projection is pinned on both sides independently.
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const injected = at(0, {
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type: 'user/message',
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surfaceOp: 'append',
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data: createUserMessage({
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content: [{ type: 'text', text: '<available_skills>…</available_skills>' }],
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// A plugin source, because the client program does not see the host
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// packages that merge richer source kinds; those arms are pinned in
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// context-provenance.spec.ts.
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source: { kind: 'plugin', plugin: 'dsh-tool-skill', form: 'catalog' },
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}),
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})
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const { contexts } = projectConversationHistory([{ event: injected }])
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expect(contexts[contexts.length - 1]?.nodes).toMatchObject([{
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kind: 'context',
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seq: 0,
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provenance: { role: 'inject', label: 'dsh-tool-skill' },
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form: 'catalog',
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}])
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})
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it('projects next-step human input as durable steering', () => {
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const steering = createUserMessage({
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content: [{ type: 'text', text: 'change course' }],
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source: { kind: 'user' },
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})
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const events = [
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at(0, { type: 'agent/inbox/spliced', data: {
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target: 'next-step', start: 0, inserted: [steering],
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} }),
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at(1, { type: 'agent/inbox/spliced', data: {
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target: 'next-step', start: 0, removedCount: 1, inserted: [],
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} }),
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at(2, { type: 'user/message', surfaceOp: 'append', data: steering }),
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]
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const projection = projectConversationHistory(events.map(event => ({ event })))
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expect(projection.eventNodes).toMatchObject([{
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kind: 'steering', messageId: steering.id, seq: 2,
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}])
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})
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it('projects a high-sequence history window without synthesizing its unloaded prefix', () => {
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const baseSeq = 400_000
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const events = [
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ev.user(baseSeq, 'loaded tail'),
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at(baseSeq + 1, {
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type: 'assistant/message',
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surfaceOp: { op: 'replace', start: baseSeq, end: baseSeq },
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sourceEventSeqs: [baseSeq],
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data: {
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turn: 80,
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step: 1,
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message: createMessage({
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role: 'assistant',
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content: [{ type: 'text', text: 'tail summary' }],
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source: { kind: 'model', provider: 'fake', model: 'fake' },
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}),
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},
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}),
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]
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const projection = projectConversationHistory(events.map(event => ({ event })))
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expect(projection.eventNodes.map(node => node.seq)).toEqual([baseSeq, baseSeq + 1])
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expect(projection.contexts.map(context => ({
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originSeq: context.originSeq,
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nodes: context.nodes.map(node => node.seq),
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}))).toEqual([
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{ originSeq: undefined, nodes: [baseSeq] },
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{ originSeq: baseSeq + 1, nodes: [baseSeq + 1] },
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])
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})
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it('projects frozen surface generations without widening the core live surface', () => {
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const events = [
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ev.user(0, 'a'),
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ev.user(1, 'b'),
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at(2, {
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type: 'assistant/message',
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surfaceOp: { op: 'replace', start: 0, end: 0 },
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sourceEventSeqs: [0],
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data: {
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turn: 1,
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step: 1,
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message: createMessage({
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role: 'assistant',
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content: [{ type: 'text', text: 'summary' }],
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source: { kind: 'model', provider: 'fake', model: 'fake' },
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}),
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},
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}),
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at(3, {
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type: 'assistant/message',
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surfaceOp: { op: 'replace', start: 2, end: 1 },
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sourceEventSeqs: [2, 1],
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data: {
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turn: 1,
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step: 2,
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message: createMessage({
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role: 'assistant',
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content: [{ type: 'text', text: 'summary 2' }],
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source: { kind: 'model', provider: 'fake', model: 'fake' },
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}),
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},
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}),
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]
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expect(projectConversationHistory(events.map(event => ({ event }))).contexts.map(context => ({
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id: context.id,
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parentId: context.parentId,
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originSeq: context.originSeq,
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nodes: context.nodes.map(node => node.seq),
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}))).toEqual([
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{ id: 0, parentId: undefined, originSeq: undefined, nodes: [0, 1] },
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{ id: 1, parentId: 0, originSeq: 2, nodes: [2, 1] },
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{ id: 2, parentId: 1, originSeq: 3, nodes: [3] },
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])
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})
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it('projects assistant timing and the active request header from history', () => {
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const projection = projectConversationHistory([
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ev.stepStart(0, 1, 2),
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at(1, { type: 'request/header', data: {
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reason: 'initial',
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header: {
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config: { provider: 'fake', model: 'first' },
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tools: [],
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},
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} }),
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ev.chunkStart(2, 1, 2),
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ev.chunkText(3, 1, 'token', 2),
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ev.assistant(4, 1, 'done', 2),
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ev.stepStart(5, 2, 1),
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ev.chunkText(6, 2, 'next', 1),
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ev.assistant(7, 2, 'next done', 1),
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].map(event => ({ event })))
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expect(projection.eventNodes[0]).toMatchObject({
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kind: 'assistant',
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timing: {
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stepStartTime: 1_700_000_000_000,
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firstTokenTime: 1_700_000_000_003,
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completedTime: 1_700_000_000_004,
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},
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requestConfig: { provider: 'fake', model: 'first' },
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})
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expect(projection.eventNodes.at(-1)).toMatchObject({
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timing: {
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stepStartTime: 1_700_000_000_005,
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firstTokenTime: 1_700_000_000_006,
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completedTime: 1_700_000_000_007,
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},
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requestConfig: { provider: 'fake', model: 'first' },
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})
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})
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it('projects nested dispatches onto settled and interrupted history calls', () => {
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const projection = projectConversationHistory([
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ev.turnStart(0, 1),
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ev.toolCall(1, 1, 'settled', 'run_code', '{}'),
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ev.codeDispatchStart(2, 'settled', 1, 'run_code', { code: 'nested' }),
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ev.codeDispatchStart(3, 'settled:code:1', 1, 'read', { path: 'a.txt' }),
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ev.codeDispatch(4, 'settled:code:1', 1, 'read', { path: 'a.txt' }, 'alpha'),
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ev.codeDispatch(5, 'settled', 1, 'run_code', { code: 'nested' }, 'alpha'),
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ev.toolResult(6, 1, 'settled', 'done'),
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ev.turnEnd(7, 1),
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ev.turnStart(8, 2),
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ev.toolCall(9, 2, 'interrupted', 'run_code', '{}'),
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ev.codeDispatchStart(10, 'interrupted', 1, 'bash', { command: 'sleep 1' }),
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ev.turnEnd(11, 2, 'aborted'),
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].map(event => ({ event })))
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const settled = {
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callId: 'settled',
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subCalls: [{
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callId: 'settled:code:1',
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subCalls: [{ callId: 'settled:code:1:code:1', call: { name: 'read' } }],
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}],
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}
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expect(projection.eventNodes).toMatchObject([settled])
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expect(projection.contexts[0]?.nodes).toMatchObject([settled])
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expect(projection.interruptedNodes).toMatchObject([{
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callId: 'interrupted',
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subCalls: [{ callId: 'interrupted:code:1', name: 'bash' }],
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}])
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})
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it('drops completed token payloads without changing inspection projections', () => {
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const events = [
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ev.user(0, 'before'),
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ev.stepStart(1, 1, 0),
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ev.chunkStart(2, 1),
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ev.chunkText(3, 1, ''),
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ev.chunkText(4, 1, 'first'),
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ev.chunkText(5, 1, ' discarded'),
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at(6, { type: 'assistant/chunk', data: {
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turn: 1,
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step: 0,
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chunk: { type: 'usage', usage: { inputTokens: 4, outputTokens: 2 } },
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} }),
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ev.assistant(7, 1, 'first discarded'),
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ev.compactSummary(8, 'summary', 0, 7),
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ev.compactCheckpoint(9, 8, 0, 7),
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ev.stepStart(10, 2, 0),
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ev.chunkStart(11, 2),
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ev.chunkText(12, 2, 'interrupted'),
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ev.turnEnd(13, 2, 'aborted'),
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]
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const raw = events.map(event => ({ event }))
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const compacted = compactHistoryInspectionEntries(raw)
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expect(compacted.map(entry => entry.event.seq)).toEqual([
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0, 1, 4, 6, 7, 8, 9, 10, 11, 12, 13,
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])
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expect(projectConversationHistory(compacted)).toEqual(projectConversationHistory(raw))
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expect(inspectRequests(compacted)).toEqual(inspectRequests(raw))
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})
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})
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@@ -1,319 +0,0 @@
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import { describe, expect, it } from 'vitest'
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import type { HistoryEntry } from '@deepseek-ai/dsh-client-connection/client'
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import { createAssistantMessage, createUserMessage } from '@deepseek-ai/dsh-llm'
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import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
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import { inspectRequests } from '../src/client/sessions/request-inspection.ts'
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const at = (seq: number, type: string, data: unknown): SessionEvent =>
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({ seq, time: 1_700_000_000_000 + seq, type, data }) as SessionEvent
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const entriesOf = (events: readonly SessionEvent[]): HistoryEntry[] =>
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events.map(event => ({ event }))
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describe('inspectRequests', () => {
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it('projects ordinary and compaction calls into one chronological request stream', () => {
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const events = [
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at(0, 'step/start', { turn: 1, step: 1 }),
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at(1, 'request/header', {
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reason: 'initial',
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header: {
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config: { provider: 'fake', model: 'model' },
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system: 'system',
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tools: [{
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name: 'read',
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description: 'Read a file.',
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parameters: { type: 'object' },
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}],
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},
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}),
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at(2, 'tool/call', {
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turn: 1,
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step: 1,
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callId: 'call-1',
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name: 'read',
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arguments: '{}',
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}),
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at(3, 'assistant/message', {
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turn: 1,
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step: 1,
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message: createAssistantMessage({
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content: [{ type: 'text', text: 'done' }],
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source: { provider: 'fake', model: 'model' },
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}),
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usage: { inputTokens: 5, outputTokens: 2 },
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}),
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at(4, 'step/end', { turn: 1, step: 1 }),
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at(5, 'compact/start', { turn: 1 }),
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at(6, 'compact/summary', {
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summary: [{ type: 'text', text: 'summary' }],
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rawOutput: [
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{ type: 'reasoning', text: 'thought' },
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{ type: 'text', text: 'summary' },
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],
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provider: 'fake',
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model: 'compact-model',
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usage: { inputTokens: 8, outputTokens: 3 },
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}),
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at(7, 'user/message', createUserMessage({
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content: [{ type: 'text', text: 'checkpoint' }],
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source: { kind: 'plugin', plugin: 'compact' },
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})),
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at(8, 'compact/end', { turn: 1 }),
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]
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const snapshot = inspectRequests(entriesOf(events))
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expect(snapshot.requests).toMatchObject([
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{
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purpose: 'assistant',
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startSeq: 0,
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resultSeq: 3,
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status: 'complete',
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prompt: {
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config: { provider: 'fake', model: 'model' },
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system: 'system',
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},
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promptChange: { seq: 1, kind: 'initial' },
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},
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{
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purpose: 'compaction',
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startSeq: 5,
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resultSeq: 6,
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replacementSeq: 7,
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status: 'complete',
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summary: [{ type: 'text', text: 'summary' }],
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},
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])
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expect(snapshot.callSchemas.get('call-1')?.name).toBe('read')
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})
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it('does not promote a truncated resume or change header to the initial prompt', () => {
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for (const reason of ['resume', 'change'] as const) {
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const snapshot = inspectRequests(entriesOf([
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at(10, 'step/start', { turn: 3, step: 1 }),
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at(11, 'request/header', {
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reason,
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header: {
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config: { provider: 'fake', model: 'model' },
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system: 'tail-window prompt',
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},
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}),
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]))
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expect(snapshot.requests[0]).toMatchObject({
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purpose: 'assistant',
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prompt: { system: 'tail-window prompt' },
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})
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expect(snapshot.requests[0]).not.toHaveProperty('promptChange')
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}
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})
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it('classifies a prompt change once the preceding header is loaded', () => {
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const snapshot = inspectRequests(entriesOf([
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at(0, 'step/start', { turn: 1, step: 1 }),
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at(1, 'request/header', {
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reason: 'initial',
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header: {
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config: { provider: 'fake', model: 'model' },
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system: 'before',
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},
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}),
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at(2, 'step/start', { turn: 1, step: 2 }),
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at(3, 'request/header', {
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reason: 'change',
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header: {
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config: { provider: 'fake', model: 'model' },
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system: 'after',
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},
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}),
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]))
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expect(snapshot.requests[1]).toMatchObject({
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promptChange: {
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seq: 3,
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kind: 'system',
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previous: { system: 'before' },
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},
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})
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})
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it('preserves a standalone compaction owner without widening assistant turns', () => {
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const snapshot = inspectRequests(entriesOf([
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at(0, 'compact/start', { turn: null }),
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at(1, 'compact/summary', {
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summary: [{ type: 'text', text: 'standalone summary' }],
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provider: 'fake',
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model: 'compact-model',
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}),
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at(2, 'compact/end', { turn: null }),
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at(3, 'step/start', { turn: 2, step: 1 }),
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]))
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const [compaction, assistant] = snapshot.requests
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expect(compaction).toMatchObject({
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purpose: 'compaction',
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turn: null,
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step: 0,
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status: 'complete',
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})
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expect(assistant).toMatchObject({
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purpose: 'assistant',
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turn: 2,
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step: 1,
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status: 'running',
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})
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if (assistant?.purpose === 'assistant') {
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const turn: number = assistant.turn
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expect(turn).toBe(2)
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}
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})
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it('interrupts an orphaned compaction at end-seed before projecting a new attempt', () => {
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const snapshot = inspectRequests(entriesOf([
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at(0, 'compact/start', { turn: null }),
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at(1, 'session/end-seed', {}),
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at(2, 'compact/start', { turn: null }),
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at(3, 'compact/summary', {
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summary: [{ type: 'text', text: 'replacement summary' }],
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provider: 'fake',
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model: 'compact-model',
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}),
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at(4, 'compact/end', { turn: null }),
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]))
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expect(snapshot.requests).toMatchObject([
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{
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purpose: 'compaction',
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startSeq: 0,
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status: 'error',
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completedAt: 1_700_000_000_001,
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error: 'Compaction was interrupted before completion.',
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},
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{
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purpose: 'compaction',
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startSeq: 2,
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status: 'complete',
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completedAt: 1_700_000_000_004,
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summary: [{ type: 'text', text: 'replacement summary' }],
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},
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])
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})
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it('captures schemas for nested tool dispatches from the active request header', () => {
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const snapshot = inspectRequests(entriesOf([
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at(0, 'request/header', {
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reason: 'initial',
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header: {
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config: { provider: 'fake', model: 'model' },
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tools: [{
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name: 'read',
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description: 'Read a file.',
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parameters: { type: 'object' },
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}],
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},
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}),
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at(1, 'tool/code-dispatch-start', {
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parentCallId: 'parent',
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subCallId: 'nested',
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name: 'read',
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arguments: {},
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}),
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]))
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expect(snapshot.callSchemas.get('nested')?.name).toBe('read')
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})
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it('keeps chunk-reported usage through request failure and prefers it to message fallback', () => {
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const chunkUsage = { inputTokens: 21, outputTokens: 3 }
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const retryUsage = {
|
||||
inputTokens: 5,
|
||||
outputTokens: 2,
|
||||
cacheReadTokens: 8,
|
||||
reasoningTokens: 1,
|
||||
}
|
||||
const snapshot = inspectRequests(entriesOf([
|
||||
at(0, 'step/start', { turn: 1, step: 1 }),
|
||||
at(1, 'assistant/chunk', {
|
||||
turn: 1,
|
||||
step: 1,
|
||||
chunk: { type: 'usage', usage: chunkUsage },
|
||||
}),
|
||||
at(2, 'llm/retry', {
|
||||
turn: 1,
|
||||
step: 1,
|
||||
retry: 1,
|
||||
maxRetries: 2,
|
||||
delayMs: 100,
|
||||
failure: { message: 'rate limited' },
|
||||
}),
|
||||
at(3, 'assistant/chunk', {
|
||||
turn: 1,
|
||||
step: 1,
|
||||
chunk: { type: 'usage', usage: retryUsage },
|
||||
}),
|
||||
at(4, 'assistant/message', {
|
||||
turn: 1,
|
||||
step: 1,
|
||||
message: createAssistantMessage({
|
||||
content: [{ type: 'text', text: 'recovered' }],
|
||||
source: { provider: 'fake', model: 'model' },
|
||||
}),
|
||||
usage: { inputTokens: 1, outputTokens: 1 },
|
||||
}),
|
||||
]))
|
||||
|
||||
expect(snapshot.requests[0]).toMatchObject({
|
||||
status: 'complete',
|
||||
usage: {
|
||||
inputTokens: 26,
|
||||
outputTokens: 5,
|
||||
cacheReadTokens: 8,
|
||||
reasoningTokens: 1,
|
||||
},
|
||||
})
|
||||
})
|
||||
|
||||
it('keeps provider credential fragments out of projected request errors', () => {
|
||||
const snapshot = inspectRequests(entriesOf([
|
||||
at(0, 'step/start', { turn: 1, step: 1 }),
|
||||
at(1, 'turn/end', {
|
||||
turn: 1, reason: { kind: 'error', error: {
|
||||
code: 'AUTH',
|
||||
message: 'Authentication Fails, Your api key: sk-preview-secret is invalid',
|
||||
},
|
||||
},
|
||||
}),
|
||||
at(2, 'step/start', { turn: 2, step: 1 }),
|
||||
at(3, 'turn/end', {
|
||||
turn: 2, reason: { kind: 'error', error: { message: 'plugin exploded', code: 'UNKNOWN' } },
|
||||
}),
|
||||
]))
|
||||
|
||||
expect(snapshot.requests).toMatchObject([
|
||||
{ status: 'error', error: 'API key is invalid' },
|
||||
{ status: 'error', error: 'plugin exploded' },
|
||||
])
|
||||
})
|
||||
|
||||
it('treats a scrubbed durable-fixture tool catalog as unavailable', () => {
|
||||
const snapshot = inspectRequests(entriesOf([
|
||||
at(0, 'step/start', { turn: 1, step: 1 }),
|
||||
at(1, 'request/header', {
|
||||
reason: 'initial',
|
||||
header: {
|
||||
config: { provider: 'fake', model: 'model' },
|
||||
tools: '{{tools}}',
|
||||
},
|
||||
}),
|
||||
at(2, 'tool/call', {
|
||||
turn: 1,
|
||||
step: 1,
|
||||
callId: 'call-1',
|
||||
name: 'read',
|
||||
arguments: '{}',
|
||||
}),
|
||||
]))
|
||||
|
||||
expect(snapshot.callSchemas).toEqual(new Map())
|
||||
const [request] = snapshot.requests
|
||||
expect(request?.purpose === 'assistant' ? request.prompt?.tools : undefined).toEqual([])
|
||||
})
|
||||
})
|
||||
@@ -1,180 +0,0 @@
|
||||
import { afterEach, describe, expect, it, vi } from 'vitest'
|
||||
import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
|
||||
import type { SessionId } from '@deepseek-ai/dsh-client-connection/client'
|
||||
import { SessionHistorySource } from '../src/client/session-history/source.ts'
|
||||
import { FakeApiClient, deferred, err, ok } from './fake-api.ts'
|
||||
import { entries, ev, plainTurn } from './event-script.ts'
|
||||
|
||||
const SID = 'history-s1' as SessionId
|
||||
|
||||
afterEach(() => {
|
||||
vi.unstubAllGlobals()
|
||||
})
|
||||
|
||||
function histResponse(events: SessionEvent[], hasMore = false) {
|
||||
return Promise.resolve(ok({ events: entries(events) as never[], hasMore }))
|
||||
}
|
||||
|
||||
describe('SessionHistorySource', () => {
|
||||
it('loads the tail first and prepends older pages on demand', async () => {
|
||||
const pages = [
|
||||
plainTurn(0, 0, '最早问', '最早答'),
|
||||
plainTurn(6, 1, '中间问', '中间答'),
|
||||
plainTurn(12, 2, '最新问', '最新答'),
|
||||
]
|
||||
const api = new FakeApiClient()
|
||||
api.onHistory = (payload) => {
|
||||
if (payload.beforeSeq === undefined) return histResponse(pages[2]!, true)
|
||||
if (payload.beforeSeq === 12) return histResponse(pages[1]!, true)
|
||||
return histResponse(pages[0]!, false)
|
||||
}
|
||||
const source = new SessionHistorySource(SID, api)
|
||||
|
||||
await source.loadTail()
|
||||
|
||||
expect(api.callsOf('session.history')).toHaveLength(1)
|
||||
expect(source.getSnapshot().hasMore).toBe(true)
|
||||
expect(source.getSnapshot().baseSeq).toBe(12)
|
||||
expect(source.getSnapshot().inspection.eventNodes.map(node => node.seq))
|
||||
.toEqual([13, 15])
|
||||
|
||||
expect(await source.loadOlder()).toBe(true)
|
||||
expect(await source.loadOlder()).toBe(true)
|
||||
expect(await source.loadOlder()).toBe(false)
|
||||
|
||||
expect(api.callsOf('session.history')).toHaveLength(3)
|
||||
expect(source.getSnapshot().hasMore).toBe(false)
|
||||
expect(source.getSnapshot().baseSeq).toBe(0)
|
||||
expect(source.getSnapshot().inspection.eventNodes.map(node => node.seq))
|
||||
.toEqual([1, 3, 7, 9, 13, 15])
|
||||
})
|
||||
|
||||
it('pins a lazy inspection to the entries in its source snapshot', async () => {
|
||||
const api = new FakeApiClient()
|
||||
api.onHistory = () => histResponse(plainTurn(0, 0, '问', '答'))
|
||||
const source = new SessionHistorySource(SID, api)
|
||||
await source.loadTail()
|
||||
const before = source.getSnapshot()
|
||||
|
||||
source.handleMuxFrame({
|
||||
type: 'session/event',
|
||||
sessionId: SID,
|
||||
event: ev.user(6, 'later'),
|
||||
})
|
||||
|
||||
expect(before.inspection.eventNodes.map(node => node.seq)).toEqual([1, 3])
|
||||
expect(source.getSnapshot().inspection.eventNodes.map(node => node.seq))
|
||||
.toEqual([1, 3, 6])
|
||||
})
|
||||
|
||||
it('publishes multiple assistant chunks once per browser frame', async () => {
|
||||
const api = new FakeApiClient()
|
||||
api.onHistory = () => histResponse(plainTurn(0, 0, '问', '答'))
|
||||
const source = new SessionHistorySource(SID, api)
|
||||
await source.loadTail()
|
||||
const frames: FrameRequestCallback[] = []
|
||||
vi.stubGlobal('requestAnimationFrame', (callback: FrameRequestCallback) => {
|
||||
frames.push(callback)
|
||||
return frames.length
|
||||
})
|
||||
let notifications = 0
|
||||
const unsubscribe = source.subscribe(() => { notifications++ })
|
||||
const before = source.getSnapshot().inspection
|
||||
const finalizedNodes = before.eventNodes
|
||||
const requests = before.requests
|
||||
const contexts = before.contexts
|
||||
|
||||
for (const event of [
|
||||
ev.chunkStart(6, 1),
|
||||
ev.chunkText(7, 1, 'stream '),
|
||||
ev.chunkText(8, 1, 'content'),
|
||||
]) {
|
||||
source.handleMuxFrame({
|
||||
type: 'session/event',
|
||||
sessionId: SID,
|
||||
event,
|
||||
})
|
||||
}
|
||||
|
||||
expect(frames).toHaveLength(1)
|
||||
expect(notifications).toBe(0)
|
||||
frames[0]?.(0)
|
||||
await Promise.resolve()
|
||||
|
||||
expect(notifications).toBe(1)
|
||||
const streamed = source.getSnapshot().inspection
|
||||
expect(streamed.eventNodes).toBe(finalizedNodes)
|
||||
expect(streamed.requests).toBe(requests)
|
||||
expect(streamed.contexts).toBe(contexts)
|
||||
expect(streamed.partial?.blocks).toEqual([
|
||||
{ kind: 'text', text: 'stream content' },
|
||||
])
|
||||
|
||||
source.handleMuxFrame({
|
||||
type: 'session/event',
|
||||
sessionId: SID,
|
||||
event: ev.chunkText(9, 1, ' then final'),
|
||||
})
|
||||
source.handleMuxFrame({
|
||||
type: 'session/event',
|
||||
sessionId: SID,
|
||||
event: ev.assistant(10, 1, 'stream content then final'),
|
||||
})
|
||||
await Promise.resolve()
|
||||
|
||||
expect(notifications).toBe(2)
|
||||
const finalized = source.getSnapshot().inspection
|
||||
expect(finalized.eventNodes).not.toBe(finalizedNodes)
|
||||
expect(finalized.partial).toBeNull()
|
||||
frames[1]?.(0)
|
||||
await Promise.resolve()
|
||||
expect(notifications).toBe(2)
|
||||
unsubscribe()
|
||||
})
|
||||
|
||||
it('stops loading when an older page fails to advance', async () => {
|
||||
const api = new FakeApiClient()
|
||||
api.onHistory = payload => payload.beforeSeq === undefined
|
||||
? histResponse(plainTurn(6, 1, '新问', '新答'), true)
|
||||
: Promise.resolve(err({
|
||||
code: 'internal',
|
||||
message: 'page unavailable',
|
||||
details: {},
|
||||
}))
|
||||
const source = new SessionHistorySource(SID, api)
|
||||
|
||||
await source.loadTail()
|
||||
expect(await source.loadOlder()).toBe(false)
|
||||
|
||||
expect(api.callsOf('session.history')).toHaveLength(2)
|
||||
expect(source.getSnapshot().hasMore).toBe(true)
|
||||
})
|
||||
|
||||
it('finishes an already started older page after consumer cancellation', async () => {
|
||||
const middle = deferred<Awaited<ReturnType<FakeApiClient['onHistory']>>>()
|
||||
const olderStarted = deferred<undefined>()
|
||||
const api = new FakeApiClient()
|
||||
api.onHistory = (payload) => {
|
||||
if (payload.beforeSeq === undefined) {
|
||||
return histResponse(plainTurn(12, 2, '最新问', '最新答'), true)
|
||||
}
|
||||
olderStarted.resolve(undefined)
|
||||
return middle.promise
|
||||
}
|
||||
const source = new SessionHistorySource(SID, api)
|
||||
const controller = new AbortController()
|
||||
await source.loadTail(controller.signal)
|
||||
const complete = source.loadOlder(controller.signal)
|
||||
await olderStarted.promise
|
||||
controller.abort()
|
||||
middle.resolve(ok({
|
||||
events: entries(plainTurn(6, 1, '中间问', '中间答')) as never[],
|
||||
hasMore: true,
|
||||
}))
|
||||
|
||||
expect(await complete).toBe(true)
|
||||
|
||||
expect(api.callsOf('session.history')).toHaveLength(2)
|
||||
expect(source.getSnapshot().hasMore).toBe(true)
|
||||
})
|
||||
})
|
||||
Reference in New Issue
Block a user