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

vi.mock('../../infrastructure/config/dataMode', () => ({
  isLocalMode: () => true,
}))

vi.mock('../../core/pluginRegistry', () => ({
  applyGraphExtensions: (_kind, payload) => payload,
}))

vi.mock('../usecases/graph', () => ({
  getGraphBundle: vi.fn(async () => ({
    nodes: [{ id: '1', label: 'A' }],
    edges: [],
    relationTypes: [],
  })),
}))

describe('graphDataService', () => {
  it('fetchGraphBundle returns nodes from local use case', async () => {
    const { fetchGraphBundle } = await import('./graphDataService.js')
    const bundle = await fetchGraphBundle()
    expect(bundle.nodes).toHaveLength(1)
    expect(bundle.nodes[0].label).toBe('A')
  })
})