import {unique} from '../unique'

describe('unique', () => {
  test('must return a unique string using the passed namespace', () => {
    const nextId = unique('test')

    expect(nextId()).toBe('test_0')
    expect(nextId()).toBe('test_1')
    expect(nextId()).toBe('test_2')
    expect(nextId()).toBe('test_3')
  })
})