Files
hermes-ui/tests/server/session-command-branch.test.ts
T
toor 1e9ea89d86
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chore: bootstrap hermes-ui skeleton from 0.6.29 snapshot
Import the client, server, skills, tests, and build scripts as the starting
point for the rebuild, then trim the surfaces this project does not ship:
Electron desktop packaging, the marketing website, and the ESP32 firmware
tree. CI keeps the web build, e2e, lockfile, release, and Docker workflows.

Rename the package and CLI entry points to hermes-ui, drop the prepare hook so
npm ci no longer triggers a build, and drop the removed tsconfig and nodemon
references. Rewrite AGENTS.md, ARCHITECTURE.md, DEVELOPMENT.md, and the READMEs
so the documented package map and hard rules match this repository.

reference_code/ is ignored: it is a read-only snapshot, not an input to the build.
2026-10-16 10:34:35 +08:00

292 lines
12 KiB
TypeScript

import { beforeEach, describe, expect, it, vi } from 'vitest'
const addMessageMock = vi.fn(() => 99)
const addMessagesMock = vi.fn()
const clearSessionMessagesMock = vi.fn()
const createBranchedSessionMock = vi.fn((row: any) => row)
const createSessionMock = vi.fn()
const getSessionMock = vi.fn()
const getSessionDetailMock = vi.fn()
const renameSessionMock = vi.fn()
const updateSessionMock = vi.fn()
const updateSessionStatsMock = vi.fn()
const getOrCreateSessionMock = vi.fn((sessionMap: Map<string, any>, sessionId: string) => {
if (!sessionMap.has(sessionId)) {
sessionMap.set(sessionId, { messages: [], isWorking: false, events: [], queue: [] })
}
return sessionMap.get(sessionId)
})
vi.mock('../../packages/server/src/db/hermes/session-store', () => ({
addMessage: addMessageMock,
addMessages: addMessagesMock,
clearSessionMessages: clearSessionMessagesMock,
createBranchedSession: createBranchedSessionMock,
createSession: createSessionMock,
getSession: getSessionMock,
getSessionDetail: getSessionDetailMock,
renameSession: renameSessionMock,
updateSession: updateSessionMock,
updateSessionStats: updateSessionStatsMock,
}))
vi.mock('../../packages/server/src/services/hermes/run-chat/compression', () => ({
buildDbHistory: vi.fn(),
estimateSnapshotAwareHistoryUsage: vi.fn(),
forceCompressBridgeHistory: vi.fn(),
getOrCreateSession: getOrCreateSessionMock,
replaceState: vi.fn(),
}))
vi.mock('../../packages/server/src/services/hermes/run-chat/usage', () => ({
calcAndUpdateUsage: vi.fn(async () => ({ inputTokens: 0, outputTokens: 0 })),
contextTokensWithCachedOverhead: vi.fn((_state: any, tokens: number) => tokens),
updateMessageContextTokenUsage: vi.fn(),
}))
vi.mock('../../packages/server/src/services/hermes/run-chat/abort', () => ({
handleAbort: vi.fn(),
}))
vi.mock('../../packages/server/src/services/hermes/run-chat/bridge-message', () => ({
flushBridgePendingToDb: vi.fn(),
}))
vi.mock('../../packages/server/src/services/logger', () => ({
logger: { warn: vi.fn(), info: vi.fn(), error: vi.fn(), debug: vi.fn() },
}))
function makeSocketHarness() {
const namespaceEmit = vi.fn()
const socketEmit = vi.fn()
const nsp = {
to: vi.fn(() => ({ emit: namespaceEmit })),
adapter: { rooms: new Map([['session:session-1', new Set(['socket-1'])]]) },
}
const socket = {
id: 'socket-1',
join: vi.fn(),
emit: socketEmit,
connected: true,
}
return { nsp, socket, namespaceEmit, socketEmit }
}
function makeParentSession(overrides: Record<string, any> = {}) {
return {
id: 'session-1',
profile: 'default',
source: 'cli',
agent: 'hermes',
agent_mode: '',
agent_session_id: '',
agent_native_session_id: '',
model: 'openai/gpt-5.4',
provider: 'openai-codex',
api_mode: 'chat_completions',
title: 'Parent chat',
preview: 'Parent prompt',
workspace: '/repo',
...overrides,
}
}
function makeCtx(sessionMap: Map<string, any>, nsp: any, socket: any, bridgeOverrides: Record<string, any> = {}) {
return {
nsp,
socket,
sessionMap,
bridge: {
status: vi.fn(async () => ({ exists: true, running: false, currentRunId: null })),
...bridgeOverrides,
} as any,
profile: 'default',
model: 'openai/gpt-5.4',
provider: 'openai-codex',
runQueuedItem: vi.fn(),
}
}
describe('branch session command', () => {
beforeEach(() => {
vi.clearAllMocks()
createBranchedSessionMock.mockImplementation((row: any) => row)
createSessionMock.mockImplementation((row: any) => row)
getSessionMock.mockReturnValue(makeParentSession())
getSessionDetailMock.mockReturnValue({
messages: [
{ id: 1, session_id: 'session-1', role: 'user', content: 'Root prompt', display_role: null, display_content: null, timestamp: 101, tool_call_id: null, tool_calls: null, tool_name: null, token_count: null, finish_reason: null, reasoning: null, reasoning_details: null, reasoning_content: null },
{ id: 2, session_id: 'session-1', role: 'assistant', content: 'Root answer', display_role: null, display_content: null, timestamp: 102, tool_call_id: null, tool_calls: null, tool_name: null, token_count: null, finish_reason: null, reasoning: null, reasoning_details: null, reasoning_content: null },
],
})
})
it('parses /fork as the only user-facing fork command', async () => {
const { parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
expect(parseSessionCommand('/fork')).toMatchObject({ name: 'branch', rawName: 'fork', args: '' })
expect(parseSessionCommand('/branch alternate path')).toBeNull()
})
it('rejects /fork while the bridge session is running', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: true, events: [], queue: [] }],
])
await handleSessionCommand('session-1', parseSessionCommand('/fork side path')!, makeCtx(sessionMap, nsp, socket))
expect(createBranchedSessionMock).not.toHaveBeenCalled()
expect(createSessionMock).not.toHaveBeenCalled()
expect(addMessagesMock).not.toHaveBeenCalled()
expect(updateSessionMock).not.toHaveBeenCalled()
expect(namespaceEmit).toHaveBeenCalledWith('session.command', expect.objectContaining({
action: 'branch',
ok: false,
terminal: false,
message: expect.stringContaining('Cannot branch while the session is running'),
}))
})
it('rejects /fork for coding agent sessions', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: false, events: [], queue: [] }],
])
getSessionMock.mockReturnValue(makeParentSession({ source: 'coding_agent', agent: 'codex' }))
await handleSessionCommand('session-1', parseSessionCommand('/fork side path')!, makeCtx(sessionMap, nsp, socket))
expect(createBranchedSessionMock).not.toHaveBeenCalled()
expect(namespaceEmit).toHaveBeenCalledWith('session.command', expect.objectContaining({
action: 'branch',
ok: false,
terminal: true,
message: expect.stringContaining('Cannot branch coding agent sessions'),
}))
})
it('rejects /fork when there are no visible conversation messages', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: false, events: [], queue: [] }],
])
getSessionDetailMock.mockReturnValueOnce({
messages: [
{ id: 1, session_id: 'session-1', role: 'command', content: '/status', display_role: null, display_content: null, timestamp: 101, tool_call_id: null, tool_calls: null, tool_name: null, token_count: null, finish_reason: null, reasoning: null, reasoning_details: null, reasoning_content: null },
],
})
await handleSessionCommand('session-1', parseSessionCommand('/fork empty')!, makeCtx(sessionMap, nsp, socket))
expect(createBranchedSessionMock).not.toHaveBeenCalled()
expect(namespaceEmit).toHaveBeenCalledWith('session.command', expect.objectContaining({
action: 'branch',
ok: false,
terminal: true,
message: expect.stringContaining('no conversation messages'),
}))
})
it('auto-titles /fork as branch: original title by default', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: false, events: [], queue: [] }],
])
await handleSessionCommand('session-1', parseSessionCommand('/fork')!, makeCtx(sessionMap, nsp, socket))
expect(createBranchedSessionMock).toHaveBeenCalledWith(expect.objectContaining({
title: 'branch: Parent chat',
parent_session_id: 'session-1',
}))
const branchEvent = namespaceEmit.mock.calls.find(call => call[0] === 'session.command')?.[1]
expect(branchEvent).toMatchObject({
newSessionTitle: 'branch: Parent chat',
branchSession: expect.objectContaining({ title: 'branch: Parent chat' }),
})
})
it('forks an idle local bridge chat by copying persisted messages into a child session', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: false, events: [], queue: [] }],
])
await handleSessionCommand('session-1', parseSessionCommand('/fork Alternate')!, makeCtx(sessionMap, nsp, socket))
expect(updateSessionMock).not.toHaveBeenCalled()
expect(createSessionMock).not.toHaveBeenCalled()
expect(createBranchedSessionMock).toHaveBeenCalledWith(expect.objectContaining({
title: 'Alternate',
parent_session_id: 'session-1',
profile: 'default',
source: 'cli',
agent: 'hermes',
model: 'openai/gpt-5.4',
provider: 'openai-codex',
api_mode: 'chat_completions',
workspace: '/repo',
ended_at: expect.any(Number),
last_active: expect.any(Number),
messages: [
expect.objectContaining({ role: 'user', content: 'Root prompt' }),
expect.objectContaining({ role: 'assistant', content: 'Root answer' }),
],
}))
expect(addMessagesMock).not.toHaveBeenCalled()
expect(addMessageMock).toHaveBeenCalledTimes(1)
expect(addMessageMock).toHaveBeenCalledWith(expect.objectContaining({
session_id: 'session-1',
role: 'command',
content: expect.stringContaining('Branched session "Alternate"'),
}))
const branchEvent = namespaceEmit.mock.calls.find(call => call[0] === 'session.command')?.[1]
expect(branchEvent).toMatchObject({
action: 'branch',
ok: true,
parentSessionId: 'session-1',
newSessionTitle: 'Alternate',
newSessionId: expect.stringMatching(/^\d{8}_\d{6}_[0-9a-f]{6}$/),
branchSession: expect.objectContaining({
title: 'Alternate',
parentSessionId: 'session-1',
forkPointMessageId: null,
parentTitle: 'Parent chat',
parentLastMessage: 'Root answer',
parentLastMessageRole: 'assistant',
messageCount: 2,
}),
})
expect(sessionMap.has(branchEvent.newSessionId)).toBe(false)
})
it('preserves api_server source when forking non-bridge chat sessions', async () => {
const { handleSessionCommand, parseSessionCommand } = await import('../../packages/server/src/services/hermes/run-chat/session-command')
const { nsp, socket, namespaceEmit } = makeSocketHarness()
const sessionMap = new Map<string, any>([
['session-1', { messages: [], isWorking: false, events: [], queue: [] }],
])
getSessionMock.mockReturnValue(makeParentSession({ source: 'api_server', agent: 'hermes' }))
await handleSessionCommand('session-1', parseSessionCommand('/fork')!, makeCtx(sessionMap, nsp, socket))
expect(createBranchedSessionMock).toHaveBeenCalledWith(expect.objectContaining({
source: 'api_server',
agent: 'hermes',
parent_session_id: 'session-1',
}))
const branchEvent = namespaceEmit.mock.calls.find(call => call[0] === 'session.command')?.[1]
expect(branchEvent.branchSession).toEqual(expect.objectContaining({
source: 'api_server',
parentSessionId: 'session-1',
forkPointMessageId: null,
}))
})
})