Function withServer

test/proxyVertexE2E.test.js:37–84

(run)

}

async function withServer(run) {
  const traceFile = path.join(os.tmpdir(), `e2e-vertex-${process.pid}-${(process.hrtime.bigint() % 1000000n).toString()}.jsonl`);
  const saved = { m: process.env.EVOMAP_PROXY_TRACE, f: process.env.EVOMAP_PROXY_TRACE_FILE, e: process.env.EVOMAP_PROXY_TRACE_ENCRYPTION };
  process.env.EVOMAP_PROXY_TRACE = 'full';
  process.env.EVOMAP_PROXY_TRACE_FILE = traceFile;
  process.env.EVOMAP_PROXY_TRACE_ENCRYPTION = '0';
  try { fs.unlinkSync(traceFile); } catch { /* fresh */ }
  captured = null;

  const silent = { log() {}, warn() {}, error() {} };
  const routes = { 'POST /v1/projects/:project/locations/:location/publishers/google/models/:modelAction': buildVertexHandler({ vertexProxy: mockVertex, logger: silent }) };
  const srv = new ProxyHttpServer(routes, { port: 0, logger: silent });
  srv.token = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa';
  srv.server = http.createServer((req, res) => srv._handleRequest(req, res));
  const port = await new Promise((resolve) => srv.server.listen(0, '127.0.0.1', () => resolve(srv.server.address().port)));
  srv.actualPort = port;

  const call = ({ reqPath, body }) => new Promise((resolve, reject) => {
    const req = http.request({ host: '127.0.0.1', port, path: reqPath, method: 'POST',
      headers: { 'content-type': 'application/json', authorization: 'Bearer aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'user-agent': 'google-genai-sdk/1.0' } }, (res) => {
      const chunks = [];
      res.on('data', (d) => chunks.push(d));
      res.on('end', () => resolve({ status: res.statusCode, bytes: Buffer.concat(chunks) }));
    });
    req.on('error', reject);
    req.end(JSON.stringify(body));
  });

  const readRows = async (expected = 1) => {
    let lines = [];
    for (let i = 0; i < 150; i++) {
      if (fs.existsSync(traceFile)) {
        lines = fs.readFileSync(traceFile, 'utf8').trim().split('\n').filter(Boolean);
        if (lines.length >= expected) break;
      }
      await sleep(20);
    }
    return lines.map((l) => JSON.parse(l));
  };

  try {
    await run({ call, readRows });
  } finally {
    await new Promise((r) => srv.server.close(r));
    try { fs.unlinkSync(traceFile); } catch { /* ignore */ }
    process.env.EVOMAP_PROXY_TRACE = saved.m; process.env.EVOMAP_PROXY_TRACE_FILE = saved.f; process.env.EVOMAP_PROXY_TRACE_ENCRYPTION = saved.e;
  }
}

const VPATH = '/v1/projects/my-proj/locations/us-central1/publishers/google/models/gemini-2.0-flash';
const body = { contents: [{ role: 'user', parts: [{ text: 'hi' }] }] };