import { expect, describe, test } from 'bun:test'
import { globalFunctions } from '#prelude'

describe('use', () => {
  test(`imports all a file's functions`, async () => {
    expect(`
      use ./src/prelude/tests/math
      dbl = math | at double
      dbl 4
    `).toEvaluateTo(8, globalFunctions)

    expect(`
      use ./src/prelude/tests/math
      math | at pi
    `).toEvaluateTo(3.14, globalFunctions)

    expect(`
      use ./src/prelude/tests/math
      math | at 🥧
    `).toEvaluateTo(3.14159265359, globalFunctions)

    expect(`
      use ./src/prelude/tests/math
      call = do x y: x y end
      call (math | at add1) 5
    `).toEvaluateTo(6, globalFunctions)
  })
})