modernirc/tests/util.test.js

IRC library for creating modern IRC bots

import test from 'node:test'
import {
  cutStringLength,
  mergeDeep,
  oGet,
} from '../lib/util.js'

test('split string by length', (t) => {
  const result = cutStringLength('1234567890', 3)
  t.assert.deepEqual(result, ['123', '456', '789', '0'])
})

test('mergeDeep objects', (t) => {
  const target = { a: 1, b: 2, c: [3, 4], d: false, e: { ea: 1, eb: 2 } }
  const toMerge = { b: 8, c: [2], d: true, e: { eb: 9, ec: 3 } }

  const result = mergeDeep(target, toMerge)
  t.assert.deepEqual(result, {
    a: 1,
    b: 8,
    c: [2], // Arrays are not merged
    d: true,
    e: {
      ea: 1,
      eb: 9,
      ec: 3,
    },
  })
})

test('oGet', (t) => {
  const fixture = {
    a: 1,
    b: 2,
    c: '3',
    d: {
      e: true,
      f: 4.3,
    },
    g: null,
    h: {
      i: {
        j: {
          k: {
            l: 'foo',
          },
        },
      },
      m: 'bar',
      n: ['baz', 'pure'],
    },
  }

  t.assert.deepEqual(oGet(fixture, 'a'), 1)
  t.assert.deepEqual(oGet(fixture, 'd.e'), true)
  t.assert.deepEqual(typeof oGet(fixture, 'z'), 'undefined')
  t.assert.deepEqual(oGet(fixture, 'h.i.j.k.l'), 'foo')
  t.assert.deepEqual(oGet(fixture, 'h.n.0'), 'baz')
  t.assert.deepEqual(oGet(fixture, 'h.n.1'), 'pure')
  t.assert.deepEqual(typeof oGet(fixture, 2), 'undefined')
})