url.test.ts

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { isLocalURL } from 'firefox-profiler/utils/url';

describe('isLocalURL', () => {
  it('should return true for localhost', () => {
    expect(isLocalURL('http://localhost')).toBe(true);
    expect(isLocalURL('http://localhost:3000')).toBe(true);
  });

  it('should return true for 127.0.0.1', () => {
    expect(isLocalURL('http://127.0.0.1')).toBe(true);
  });

  it('should return true for ::1', () => {
    expect(isLocalURL('http://[::1]')).toBe(true);
  });

  it('should return true for IPv6 local addresses', () => {
    expect(isLocalURL('http://[fe80::1]')).toBe(true);
    expect(isLocalURL('http://[fd00::1]')).toBe(true);
    expect(isLocalURL('http://[fc00::1]')).toBe(true);
    expect(isLocalURL('http://[ff00::1]')).toBe(false);
    expect(isLocalURL('http://[::ffff:1.1.1.1]')).toBe(false);
  });

  it('should return true for LAN addresses', () => {
    expect(isLocalURL('http://10.0.0.1')).toBe(true);
    expect(isLocalURL('http://10.255.255.255')).toBe(true);
    expect(isLocalURL('http://172.16.0.1')).toBe(true);
    expect(isLocalURL('http://172.31.255.255')).toBe(true);
    expect(isLocalURL('http://192.168.1.1')).toBe(true);
    expect(isLocalURL('http://100.100.100.100')).toBe(true);
    expect(isLocalURL('http://169.254.1.1')).toBe(true);
    expect(isLocalURL('http://198.18.0.1')).toBe(true);
    expect(isLocalURL('http://127.0.0.2')).toBe(true);
  });

  it('should return false for other public IP addresses', () => {
    expect(isLocalURL('http://8.8.8.8')).toBe(false);
    expect(isLocalURL('http://172.15.255.255')).toBe(false);
    expect(isLocalURL('http://172.32.0.0')).toBe(false);
  });

  it('should return true for .local domains', () => {
    expect(isLocalURL('http://myserver.local')).toBe(true);
    expect(isLocalURL('http://test.local:8080')).toBe(true);
  });

  it('should return true for hostnames without dots', () => {
    expect(isLocalURL('http://mycomputer')).toBe(true);
    expect(isLocalURL('http://dev-server:8000')).toBe(true);
  });

  it('should return false for public domains', () => {
    expect(isLocalURL('https://firefox.com')).toBe(false);
    expect(isLocalURL('https://profiler.firefox.com')).toBe(false);
  });

  it('should return false for hostnames that look like IPv4 but have more labels', () => {
    expect(isLocalURL('http://192.168.1.1.foo.com')).toBe(false);
    expect(isLocalURL('http://10.0.0.1.example.org')).toBe(false);
  });

  it('should return false for invalid URLs', () => {
    expect(isLocalURL('not-a-url')).toBe(false);
  });
});