import assert from 'node:assert/strict'
import test from 'node:test'

import { computeFingerprint } from '../src/fingerprint'

test('fingerprint uses common SHA-256 and normalizes volatile identifiers', () => {
  const first = computeFingerprint(
    'error',
    'request 123456 failed for aabbccddeeff00112233445566778899',
    'Error\n at first (a.ts:1)\n at second (b.ts:2)',
  )
  const second = computeFingerprint(
    'error',
    'request 987654 failed for 00112233445566778899aabbccddeeff',
    'Error\n at first (a.ts:1)\n at second (b.ts:2)',
  )

  assert.equal(first, second)
  assert.match(first, /^[a-f0-9]{64}$/)
})