/**
 * @jest-environment node
 */

import { stripStalePlanningNonceIfJsonObject } from './stripStalePlanningNonce'

describe('stripStalePlanningNonceIfJsonObject', () => {
  it('removes nonce from a flat tx object', () => {
    const tx = { from: '0xa', to: '0xb', nonce: '0x5', data: '0x' }
    expect(stripStalePlanningNonceIfJsonObject(tx)).toEqual({
      from: '0xa',
      to: '0xb',
      data: '0x',
    })
  })

  it('unwraps single-key wrapper then strips nonce', () => {
    const wrapped = {
      transaction: { from: '0xa', nonce: 1, value: '0x0' },
    }
    expect(stripStalePlanningNonceIfJsonObject(wrapped)).toEqual({
      from: '0xa',
      value: '0x0',
    })
  })

  it('parses JSON string and strips nonce', () => {
    const s = JSON.stringify({ to: '0xt', nonce: '2', gas: '21000' })
    expect(stripStalePlanningNonceIfJsonObject(s)).toEqual({
      to: '0xt',
      gas: '21000',
    })
  })

  it('returns opaque string on parse error', () => {
    expect(stripStalePlanningNonceIfJsonObject('not-json')).toBe('not-json')
  })
})