import { describe, expect, it, vi, } from 'vitest'; import { readFile } from 'fs/promises'; import { prefix, read } from '../file'; vi.mock('fs/promises'); describe('file', () => { it('reads from the local file system', async () => { await read('foo'); expect(readFile).toBeCalled(); }); it('exports a prefix', () => { expect(prefix).toBeTypeOf('string'); }); });