@accounter/client/src/lib/__tests__/auth0-errors.test.ts

Accounter client application

import { describe, expect, it } from 'vitest';
import { AUTH0_ERROR_MESSAGES, getAuth0ErrorMessage } from '../auth0-errors.js';

describe('AUTH0_ERROR_MESSAGES', () => {
  it('maps all expected Auth0 error codes to human-readable messages', () => {
    expect(AUTH0_ERROR_MESSAGES.access_denied).toBe(
      'Login was cancelled or permissions were not granted.',
    );
    expect(AUTH0_ERROR_MESSAGES.unauthorized).toBe('Invalid email or password. Please try again.');
    expect(AUTH0_ERROR_MESSAGES.too_many_attempts).toBe(
      'Too many login attempts. Your account is temporarily blocked.',
    );
    expect(AUTH0_ERROR_MESSAGES.consent_required).toBe(
      'Additional permissions are required to continue.',
    );
    expect(AUTH0_ERROR_MESSAGES.login_required).toBe('Please log in to continue.');
    expect(AUTH0_ERROR_MESSAGES.invalid_token).toBe(
      'Your session has expired. Please log in again.',
    );
  });
});

describe('getAuth0ErrorMessage', () => {
  it('returns mapped message for known error code', () => {
    const error = Object.assign(new Error('Denied by user'), { error: 'access_denied' });

    expect(getAuth0ErrorMessage(error)).toBe(
      'Login was cancelled or permissions were not granted.',
    );
  });

  it('returns network message for network-related errors', () => {
    const error = new Error('Network request failed');

    expect(getAuth0ErrorMessage(error)).toBe(
      'Network error — please check your connection and try again.',
    );
  });

  it('returns generic message for unknown errors', () => {
    const error = new Error('Something unexpected happened');

    expect(getAuth0ErrorMessage(error)).toBe('An unexpected error occurred. Please try again.');
  });
});