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import type { BaseRequest } from '../lib/index';
type HonoHandler = (c: { req: BaseRequest }) => Promise<Response>;
const makeBaseRequest = (overrides: Partial<BaseRequest> = {}): BaseRequest => ({
url: 'https://example.com/hello',
method: 'GET',
header: () => ({}),
formData: async () => new FormData(),
json: async () => ({ ok: true }),
text: async () => 'hi',
param: () => undefined,
query: () => ({}),
queries: () => ({}),
...overrides,
});
let routeHandler: HonoHandler | undefined;
const allMock = jest.fn((_path: string, handler: HonoHandler) => {
routeHandler = handler;
});
class Hono {
public all = allMock;
public async fetch(_r: Request) {
if (!routeHandler) throw new Error('route handler not registered');
return await routeHandler({ req: makeBaseRequest() });
}
}
const serveMock = jest.fn();
jest.mock('hono', () => ({ Hono }));
jest.mock('@hono/node-server', () => ({ serve: serveMock }));
describe('server/hono/proxy (HonoProxy)', () => {
beforeEach(() => {
jest.resetModules();
serveMock.mockReset();
allMock.mockClear();
routeHandler = undefined;
jest.spyOn(globalThis.crypto, 'randomUUID').mockReturnValue('00000000-0000-0000-0000-000000000000');
});
afterEach(() => {
jest.restoreAllMocks();
});
test('wires Server.serve into hono and returns right', async () => {
const log = jest.spyOn(console, 'log').mockImplementation(() => undefined);
const err = jest.spyOn(console, 'error').mockImplementation(() => undefined);
const handlers: Record<string, () => void> = {};
jest.spyOn(process, 'on').mockImplementation(((evt: string, cb: () => void) => {
handlers[evt] = cb;
return process;
}) as any);
serveMock.mockImplementation((opts: any) => {
queueMicrotask(() => opts.fetch(new Request('http://x')));
return {
close: (cb: (err?: Error) => void) => cb(undefined),
};
});
const { HonoProxy, PenguenoResponse } = await import('../lib/index');
const server = {
serve: jest.fn(async (req: any) => new PenguenoResponse(req, 'ok', { status: 200, headers: {} })),
};
const proxy = new HonoProxy(server as any);
const p = proxy.serve(3001, '127.0.0.1');
// allow awaitClose to register handlers
await new Promise((r) => setImmediate(r));
handlers.SIGINT();
const res = await p;
expect(res.left().present()).toBe(false);
expect(serveMock).toHaveBeenCalledWith(expect.objectContaining({ port: 3001, hostname: '127.0.0.1' }));
expect(allMock).toHaveBeenCalledWith('*', expect.any(Function));
expect(server.serve).toHaveBeenCalledTimes(1);
log.mockRestore();
err.mockRestore();
});
});
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