server.test.ts

import { expect, test } from 'bun:test';
import { formatBytes, parseRsyncProgress } from './server';
import { existsSync } from 'fs';
import { homedir } from 'os';

test('formatBytes: zero returns dash', () => {
  expect(formatBytes(0)).toBe('—');
});

test('formatBytes: kilobytes', () => {
  expect(formatBytes(1024)).toBe('1.0 KB');
});

test('formatBytes: gigabytes', () => {
  expect(formatBytes(1073741824)).toBe('1.0 GB');
});

test('parseRsyncProgress: valid progress line', () => {
  const line = '   1,234,567  45%   12.34MB/s    0:00:23';
  expect(parseRsyncProgress(line)).toEqual({ percent: 45, speed: '12.34MB/s', eta: '0:00:23' });
});

test('parseRsyncProgress: non-progress line returns null', () => {
  expect(parseRsyncProgress('sending incremental file list')).toBeNull();
});

test('parseRsyncProgress: kilobytes speed', () => {
  const line = '     512  12%  512.00kB/s    0:00:05';
  const result = parseRsyncProgress(line);
  expect(result?.percent).toBe(12);
  expect(result?.speed).toBe('512.00kB/s');
});

test('Desktop directory exists', () => {
  expect(existsSync(homedir() + '/Desktop')).toBe(true);
});