node-redis/packages/client/lib/RESP/encoder.spec.ts

import { strict as assert } from 'assert';
import { describe } from 'mocha';
import encodeCommand from './encoder';

describe('RESP Encoder', () => {
  it('1 byte', () => {
    assert.deepEqual(
      encodeCommand(['a', 'z']),
      ['*2\r\n$1\r\na\r\n$1\r\nz\r\n']
    );
  });

  it('2 bytes', () => {
    assert.deepEqual(
      encodeCommand(['א', 'ת']),
      ['*2\r\n$2\r\nא\r\n$2\r\nת\r\n']
    );
  });

  it('4 bytes', () => {
    assert.deepEqual(
      [...encodeCommand(['🐣', '🐤'])],
      ['*2\r\n$4\r\n🐣\r\n$4\r\n🐤\r\n']
    );
  });

  it('buffer', () => {
    assert.deepEqual(
      encodeCommand([Buffer.from('string')]),
      ['*1\r\n$6\r\n', Buffer.from('string'), '\r\n']
    );
  });
});