hermes-web-ui/tests/server/sessions-controller.test.ts

import { beforeEach, describe, expect, it, vi } from 'vitest'

const listConversationSummariesFromDbMock = vi.fn()
const getConversationDetailFromDbMock = vi.fn()
const listConversationSummariesMock = vi.fn()
const getConversationDetailMock = vi.fn()
const loggerWarnMock = vi.fn()

vi.mock('../../packages/server/src/db/hermes/conversations-db', () => ({
  listConversationSummariesFromDb: listConversationSummariesFromDbMock,
  getConversationDetailFromDb: getConversationDetailFromDbMock,
}))

vi.mock('../../packages/server/src/services/hermes/conversations', () => ({
  listConversationSummaries: listConversationSummariesMock,
  getConversationDetail: getConversationDetailMock,
}))

vi.mock('../../packages/server/src/services/logger', () => ({
  logger: {
    warn: loggerWarnMock,
    error: vi.fn(),
  },
}))

vi.mock('../../packages/server/src/services/hermes/hermes-cli', () => ({
  listSessions: vi.fn(),
  getSession: vi.fn(),
  deleteSession: vi.fn(),
  renameSession: vi.fn(),
}))

vi.mock('../../packages/server/src/db/hermes/sessions-db', () => ({
  listSessionSummaries: vi.fn(),
  searchSessionSummaries: vi.fn(),
}))

vi.mock('../../packages/server/src/db/hermes/usage-store', () => ({
  deleteUsage: vi.fn(),
  getUsage: vi.fn(),
  getUsageBatch: vi.fn(),
}))

vi.mock('../../packages/server/src/services/hermes/model-context', () => ({
  getModelContextLength: vi.fn(),
}))

describe('session conversations controller', () => {
  beforeEach(() => {
    vi.resetModules()
    listConversationSummariesFromDbMock.mockReset()
    getConversationDetailFromDbMock.mockReset()
    listConversationSummariesMock.mockReset()
    getConversationDetailMock.mockReset()
    loggerWarnMock.mockReset()
  })

  it('prefers the DB-backed conversations summary path', async () => {
    listConversationSummariesFromDbMock.mockResolvedValue([{ id: 'db-conversation' }])

    const mod = await import('../../packages/server/src/controllers/hermes/sessions')
    const ctx: any = { query: { humanOnly: 'true', limit: '5' }, body: null }
    await mod.listConversations(ctx)

    expect(listConversationSummariesFromDbMock).toHaveBeenCalledWith({ source: undefined, humanOnly: true, limit: 5 })
    expect(listConversationSummariesMock).not.toHaveBeenCalled()
    expect(ctx.body).toEqual({ sessions: [{ id: 'db-conversation' }] })
  })

  it('falls back to the CLI-export conversations summary path when the DB query fails', async () => {
    listConversationSummariesFromDbMock.mockRejectedValue(new Error('db unavailable'))
    listConversationSummariesMock.mockResolvedValue([{ id: 'fallback-conversation' }])

    const mod = await import('../../packages/server/src/controllers/hermes/sessions')
    const ctx: any = { query: { humanOnly: 'false' }, body: null }
    await mod.listConversations(ctx)

    expect(loggerWarnMock).toHaveBeenCalled()
    expect(listConversationSummariesMock).toHaveBeenCalledWith({ source: undefined, humanOnly: false, limit: undefined })
    expect(ctx.body).toEqual({ sessions: [{ id: 'fallback-conversation' }] })
  })

  it('prefers the DB-backed conversation detail path', async () => {
    getConversationDetailFromDbMock.mockResolvedValue({ session_id: 'root', messages: [], visible_count: 0, thread_session_count: 1 })

    const mod = await import('../../packages/server/src/controllers/hermes/sessions')
    const ctx: any = { params: { id: 'root' }, query: { humanOnly: 'true' }, body: null }
    await mod.getConversationMessages(ctx)

    expect(getConversationDetailFromDbMock).toHaveBeenCalledWith('root', { source: undefined, humanOnly: true })
    expect(getConversationDetailMock).not.toHaveBeenCalled()
    expect(ctx.body).toEqual({ session_id: 'root', messages: [], visible_count: 0, thread_session_count: 1 })
  })

  it('falls back to the CLI-export conversation detail path when the DB query throws', async () => {
    getConversationDetailFromDbMock.mockRejectedValue(new Error('db unavailable'))
    getConversationDetailMock.mockResolvedValue({ session_id: 'root', messages: [{ id: 1 }], visible_count: 1, thread_session_count: 1 })

    const mod = await import('../../packages/server/src/controllers/hermes/sessions')
    const ctx: any = { params: { id: 'root' }, query: { humanOnly: 'false' }, body: null }
    await mod.getConversationMessages(ctx)

    expect(loggerWarnMock).toHaveBeenCalled()
    expect(getConversationDetailMock).toHaveBeenCalledWith('root', { source: undefined, humanOnly: false })
    expect(ctx.body).toEqual({ session_id: 'root', messages: [{ id: 1 }], visible_count: 1, thread_session_count: 1 })
  })
})