napi-rs/examples/napi/__test__/values.spec.ts

import { join } from 'path'

import test from 'ava'

import {
  add,
  fibonacci,
  contains,
  concatLatin1,
  concatStr,
  concatUtf16,
  getNums,
  getWords,
  sumNums,
  getCwd,
  Animal,
  Kind,
  CustomNumEnum,
  enumToI32,
  listObjKeys,
  createObj,
  mapOption,
  readFile,
  throwError,
  readPackageJson,
  getPackageJsonName,
  getBuffer,
  readFileAsync,
} from '../'

test('number', (t) => {
  t.is(add(1, 2), 3)
  t.is(fibonacci(5), 5)

  t.throws(
    // @ts-expect-error
    () => fibonacci(''),
    null,
    'Expect value to be Number, but received String',
  )
})

test('string', (t) => {
  t.true(contains('hello', 'ell'))
  t.false(contains('John', 'jn'))

  t.is(concatStr('涽¾DEL'), '涽¾DEL + Rust 🦀 string!')
  t.is(concatLatin1('涽¾DEL'), '涽¾DEL + Rust 🦀 string!')
  t.is(
    concatUtf16('JavaScript 🌳 你好 napi'),
    'JavaScript 🌳 你好 napi + Rust 🦀 string!',
  )
})

test('array', (t) => {
  t.deepEqual(getNums(), [1, 1, 2, 3, 5, 8])
  t.deepEqual(getWords(), ['foo', 'bar'])

  t.is(sumNums([1, 2, 3, 4, 5]), 15)
})

test('enum', (t) => {
  t.deepEqual([Kind.Dog, Kind.Cat, Kind.Duck], [0, 1, 2])
  t.is(enumToI32(CustomNumEnum.Eight), 8)
})

test('class', (t) => {
  const dog = new Animal(Kind.Dog, '旺财')

  t.is(dog.name, '旺财')
  t.is(dog.kind, Kind.Dog)
  t.is(dog.whoami(), 'Dog: 旺财')

  dog.name = '可乐'
  t.is(dog.name, '可乐')
})

test('callback', (t) => {
  getCwd((cwd) => {
    t.is(cwd, process.cwd())
  })

  t.throws(
    // @ts-expect-error
    () => getCwd(),
    null,
    'Expect value to be Function, but received Undefined',
  )

  readFile((err, content) => {
    t.is(err, undefined)
    t.is(content, 'hello world')
  })
})

test('object', (t) => {
  t.deepEqual(listObjKeys({ name: 'John Doe', age: 20 }), ['name', 'age'])
  t.deepEqual(createObj(), { test: 1 })
})

test('Option', (t) => {
  t.is(mapOption(null), null)
  t.is(mapOption(3), 4)
})

test('Result', (t) => {
  t.throws(() => throwError(), null, 'Manual Error')
})

test('serde-json', (t) => {
  const packageJson = readPackageJson()
  t.is(packageJson.name, 'napi-rs')
  t.is(packageJson.version, '0.0.0')
  t.is(packageJson.dependencies, null)
  t.snapshot(Object.keys(packageJson.devDependencies!).sort())

  t.is(getPackageJsonName(packageJson), 'napi-rs')
})

test('buffer', (t) => {
  t.is(getBuffer().toString('utf-8'), 'Hello world')
})

test('async', async (t) => {
  const bufPromise = readFileAsync(join(__dirname, '../package.json'))
  await t.notThrowsAsync(bufPromise)
  const buf = await bufPromise
  const { name } = JSON.parse(buf.toString())
  t.is(name, 'napi-examples')

  await t.throwsAsync(() => readFileAsync('some_nonexist_path.file'))
})