/* eslint-disable no-undef */
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { discoverServer, getServerURL } from '../src/auto-discovery.js';
// Mock fetch globally
const mockFetch = vi.fn();
global.fetch = mockFetch;
describe('Auto-discovery client', () => {
beforeEach(() => {
mockFetch.mockClear();
vi.clearAllTimers();
vi.useFakeTimers();
});
afterEach(() => {
vi.useRealTimers();
});
describe('discoverServer', () => {
it('should find server on first IP tested', async () => {
mockFetch.mockImplementation(async (url: string) => {
if (url.includes('192.168.1.100:3333/ping')) {
return new Response(
JSON.stringify({
service: 'exposnap',
version: '1.1.0',
port: 3333,
}),
{
ok: true,
status: 200,
headers: { 'Content-Type': 'application/json' },
}
);
}
throw new Error('Network error');
});
const discoveryPromise = discoverServer();
// Fast-forward timers to resolve promises
await vi.runAllTimersAsync();
const result = await discoveryPromise;
expect(result).toEqual({
ip: '192.168.1.100',
port: 3333,
service: 'exposnap',
version: '1.1.0',
});
});
it('should return null when no server found', async () => {
mockFetch.mockRejectedValue(new Error('Network error'));
const discoveryPromise = discoverServer();
await vi.runAllTimersAsync();
const result = await discoveryPromise;
expect(result).toBeNull();
});
it('should ignore non-exposnap services', async () => {
mockFetch.mockImplementation(async (url: string) => {
if (url.includes('192.168.1.1:3333/ping')) {
return new Response(
JSON.stringify({
service: 'other-service',
version: '1.0.0',
}),
{
ok: true,
status: 200,
headers: { 'Content-Type': 'application/json' },
}
);
}
throw new Error('Network error');
});
const discoveryPromise = discoverServer();
await vi.runAllTimersAsync();
const result = await discoveryPromise;
expect(result).toBeNull();
});
it('should handle custom port', async () => {
const customPort = 4444;
mockFetch.mockImplementation(async (url: string) => {
if (url.includes(`192.168.1.100:${customPort}/ping`)) {
return new Response(
JSON.stringify({
service: 'exposnap',
version: '1.1.0',
port: customPort,
}),
{
ok: true,
status: 200,
headers: { 'Content-Type': 'application/json' },
}
);
}
throw new Error('Network error');
});
const discoveryPromise = discoverServer(customPort);
await vi.runAllTimersAsync();
const result = await discoveryPromise;
expect(result?.port).toBe(customPort);
});
});
describe('getServerURL', () => {
it('should format server URL correctly', () => {
const result = {
ip: '192.168.1.100',
port: 3333,
service: 'exposnap',
version: '1.1.0',
};
expect(getServerURL(result)).toBe('http://192.168.1.100:3333');
});
});
});
