import { describe, it, expect } from 'vitest'
import { loadReferencesConfig, reloadReferencesConfig } from '../../../../app/services/references/config_loader.js'

describe('config_loader', () => {
  it('loadReferencesConfig loads config from file', () => {
    const config = loadReferencesConfig()
    expect(config).toBeDefined()
    expect(config.providers).toBeInstanceOf(Array)
    expect(config.providers.length).toBeGreaterThan(0)
    expect(config.providers[0].name).toBe('wassup')
  })

  it('loadReferencesConfig returns cached result on second call', () => {
    const a = loadReferencesConfig()
    const b = loadReferencesConfig()
    expect(a).toBe(b) // same reference (cached)
  })

  it('reloadReferencesConfig clears cache and reloads', () => {
    const a = loadReferencesConfig()
    const b = reloadReferencesConfig()
    expect(b.providers).toBeInstanceOf(Array)
    // After reload, a new object is returned
    expect(b).not.toBe(a)
  })
})