import { describe, it, expect } from 'vitest'
import { normalizeRelayUrl } from '@welshman/util'

describe('Guarded normalizeRelayUrl', () => {
  it('guarded with undefined should not crash, result is undefined', () => {
    const undefinedInput: string | undefined = undefined
    const guarded = undefinedInput ? normalizeRelayUrl(undefinedInput) : undefined
    expect(guarded).toBeUndefined()
  })

  it('guarded with empty string should not crash, result is undefined', () => {
    const emptyInput = ''
    const guarded = emptyInput ? normalizeRelayUrl(emptyInput) : undefined
    expect(guarded).toBeUndefined()
  })

  it('guarded with valid relay still normalizes correctly', () => {
    const validInput = 'wss://relay.damus.io'
    const guarded = validInput ? normalizeRelayUrl(validInput) : undefined
    expect(guarded).toBe('wss://relay.damus.io/')
  })
})