Files
fluxer/packages/ip_utils/src/__tests__/IpAddress.test.tsx
2026-02-17 12:22:36 +00:00

124 lines
3.9 KiB
TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import {isValidIp, normalizeIpString, parseIpAddress} from '@fluxer/ip_utils/src/IpAddress';
import {describe, expect, it} from 'vitest';
describe('normalizeIpString', () => {
describe('ipv4 addresses', () => {
it('normalizes standard values', () => {
expect(normalizeIpString('192.168.1.1')).toBe('192.168.1.1');
expect(normalizeIpString('10.0.0.1')).toBe('10.0.0.1');
expect(normalizeIpString('172.16.0.1')).toBe('172.16.0.1');
});
it('trims whitespace', () => {
expect(normalizeIpString(' 192.168.1.1 ')).toBe('192.168.1.1');
expect(normalizeIpString('\t10.0.0.1\n')).toBe('10.0.0.1');
});
});
describe('ipv6 addresses', () => {
it('normalizes standard values', () => {
expect(normalizeIpString('2001:db8::1')).toBe('2001:db8::1');
expect(normalizeIpString('::1')).toBe('::1');
expect(normalizeIpString('::')).toBe('::');
});
it('strips brackets and zone identifiers', () => {
expect(normalizeIpString('[2001:db8::1]')).toBe('2001:db8::1');
expect(normalizeIpString('fe80::1%eth0')).toBe('fe80::1');
expect(normalizeIpString('[fe80::1%en0]')).toBe('fe80::1');
});
it('normalizes case and compact form', () => {
expect(normalizeIpString('2001:DB8::1')).toBe('2001:db8::1');
expect(normalizeIpString('2001:0db8:0000:0000:0000:0000:0000:0001')).toBe('2001:db8::1');
});
it('normalizes ipv4-mapped ipv6 addresses', () => {
expect(normalizeIpString('::ffff:192.0.2.1')).toBe('::ffff:c000:201');
});
});
describe('edge cases', () => {
it('handles empty and invalid values', () => {
expect(normalizeIpString('')).toBe('');
expect(normalizeIpString(' ')).toBe('');
expect(normalizeIpString('not-an-ip')).toBe('not-an-ip');
});
it('does not strip brackets from host-port formats', () => {
expect(normalizeIpString('[2001:db8::1]:8080')).toBe('[2001:db8::1]:8080');
});
it('returns input value when url parsing fails', () => {
const OriginalURL = globalThis.URL;
globalThis.URL = class extends OriginalURL {
constructor(input: string | URL, base?: string | URL) {
if (typeof input === 'string' && input.includes('[2001:db8::ffff]')) {
throw new Error('Simulated URL parsing failure');
}
super(input, base);
}
} as typeof URL;
try {
expect(normalizeIpString('2001:db8::ffff')).toBe('2001:db8::ffff');
} finally {
globalThis.URL = OriginalURL;
}
});
});
});
describe('parseIpAddress', () => {
it('parses valid ip values', () => {
expect(parseIpAddress('192.168.1.1')).toEqual({
raw: '192.168.1.1',
normalized: '192.168.1.1',
family: 'ipv4',
});
expect(parseIpAddress('[2001:DB8::1]')).toEqual({
raw: '[2001:DB8::1]',
normalized: '2001:db8::1',
family: 'ipv6',
});
});
it('returns null for invalid values', () => {
expect(parseIpAddress('not-an-ip')).toBeNull();
expect(parseIpAddress('')).toBeNull();
});
});
describe('isValidIp', () => {
it('accepts valid values', () => {
expect(isValidIp('192.168.1.1')).toBe(true);
expect(isValidIp('[::1]')).toBe(true);
expect(isValidIp('fe80::1%eth0')).toBe(true);
});
it('rejects invalid values', () => {
expect(isValidIp('256.256.256.256')).toBe(false);
expect(isValidIp('gggg::1')).toBe(false);
expect(isValidIp('example.com')).toBe(false);
});
});