import { isNotFoundError } from '../errors'
import { getErrorMessage } from '../internal/errors'

describe('internal/errors', () => {
	describe('isNotFoundError', () => {
		it('detects tagged Error instances', () => {
			expect(isNotFoundError(new Error('Failure [E_NOT_FOUND] happened'))).toBe(
				true
			)
		})

		it('detects tagged strings', () => {
			expect(isNotFoundError('Oops [E_NOT_FOUND] missing')).toBe(true)
		})

		it('returns false for unrelated payloads', () => {
			expect(isNotFoundError(new Error('No tag here'))).toBe(false)
			expect(isNotFoundError('All good')).toBe(false)
			expect(isNotFoundError({})).toBe(false)
		})
	})

	describe('getErrorMessage', () => {
		it('returns messages for Error instances', () => {
			expect(getErrorMessage(new Error('native failure'))).toBe(
				'native failure'
			)
		})

		it('returns the string payload as-is', () => {
			expect(getErrorMessage('[E_NATIVE] fatal')).toBe('[E_NATIVE] fatal')
		})

		it('falls back to a generic message', () => {
			expect(getErrorMessage(undefined)).toBe('An unknown error occurred')
		})
	})
})