module-sandbox/test/all.js

A v8 isolate sandbox with require support

const p = require('path')

const test = require('tape')
const Sandbox = require('..')

const SIMPLE_EXAMPLE_PATH = p.join(__dirname, '..', 'examples', 'simple', 'index.js')
const SIMPLE_EXPORTS_EXAMPLE_PATH = p.join(__dirname, '..', 'examples', 'simple-exports', 'index.js')
const HOSTCALLS_EXAMPLE_PATH = p.join(__dirname, '..', 'examples', 'hostcalls', 'index.js')
const REQUIRE_OVERRIDES_EXAMPLE_PATH = p.join(__dirname, '..', 'examples', 'require-override', 'index.js')

test('can run simple example', async t => {
  const machine = new Sandbox(SIMPLE_EXAMPLE_PATH)
  await machine.ready()
  await machine.close()
  t.end()
})

test('can call exported functions on a simple example', async t => {
  const machine = new Sandbox(SIMPLE_EXPORTS_EXAMPLE_PATH)
  await machine.ready()
  t.same(await machine.rpc.add(1, 2), 3)
  t.same(await machine.rpc.mult(3, 4), 12)
  t.same(await machine.rpc.mult(3, 4, 2), 24)
  t.same(await machine.rpc.add(3, 2, 10), 15)
  t.same(await machine.rpc.arrays.double([1, 2, 3, 4]), [2, 4, 6, 8])
  t.same(await machine.rpc.objects.greet({ name: 'tester' }), { hello: 'tester and world' })
  await machine.close()
  t.end()
})

test('can provide and call hostcalls', async t => {
  const machine = new Sandbox(HOSTCALLS_EXAMPLE_PATH, {
    hostcalls: {
      getPrefix: (_, name) => `${name}'s greeting:`
    }
  })
  await machine.ready()
  t.same(await machine.rpc.hello('tester'), 'tester\'s greeting: hello tester')
  await machine.close()
  t.end()
})

test('can override requires', async t => {
  const machine = new Sandbox(REQUIRE_OVERRIDES_EXAMPLE_PATH, {
    requires: {
      'other-module': p.join(p.dirname(REQUIRE_OVERRIDES_EXAMPLE_PATH), 'other.js')
    }
  })
  await machine.ready()
  t.same(await machine.rpc.hello(), 'hello world')
  await machine.close()
  t.end()
})