pocomath/test/core/_dependencyExtractor.mjs
Glen Whitney 9fb3aa2959 feat: Switch to function-based specification of dependencies
Allows dependencies to be economically expressed and used.
  For example, see the new definition of subtract.
  Credit for the basic idea goes to James Drew, see
  https://stackoverflow.com/a/41525264

  Resolves #21.
2022-07-23 09:55:02 -07:00

23 lines
693 B
JavaScript

import assert from 'assert'
import dependencyExtractor from '../../src/core/dependencyExtractor.mjs'
describe('dependencyExtractor', () => {
it('will record the keys of a destructuring function', () => {
const myfunc = ({a, 'b(x)': b, c: alias}) => 0
const params = new Set()
myfunc(dependencyExtractor(params))
assert.ok(params.has('a'))
assert.ok(params.has('b(x)'))
assert.ok(params.has('c'))
assert.ok(params.size === 3)
})
it('does not pick up anything from a regular function', () => {
const myfunc = arg => 0
const params = new Set()
myfunc(dependencyExtractor(params))
assert.ok(params.size === 0)
})
})