npm install rescript-mocha --save-dev

open RescriptMocha
let {it:it', it_skip:it_skip'} = module (Promise)
open Mocha
open Belt
describe("Some Test Suite", () =>
  describe("List.map", () => {
    it("should map the values", () =>
      Assert.deep_equal(Array.map([1, 2, 3], (i) => i * 2), [2, 4, 6])
    )
    it("should work with an empty list", () =>
      Assert.deep_equal(Array.map([], (i) => i * 2), [])
    )
    it'("should be successful", () =>
      Js.Promise.make((~resolve, ~reject as _) =>
        Js.Global.setTimeout(() => {
          Assert.equal(3, 3)
          resolve(. true)
        }, 300)
        ->ignore
      )
    )
  })
)