import test from 'node:test'
import assert from 'node:assert/strict'
import { iso6346ContainerNumber } from './iso6346-container-number.mjs'

test('HTTP fixtures generate stable unique ISO 6346 container numbers', () => {
  const first = iso6346ContainerNumber('fixture-a')
  assert.match(first, /^[A-Z]{3}U[0-9]{7}$/)
  assert.equal(first, iso6346ContainerNumber('fixture-a'))
  assert.notEqual(first, iso6346ContainerNumber('fixture-b'))
})