node/test/client-proxy/test-http-proxy-request.mjs
Joyee Cheung 0259df9faf
cli: add --use-env-proxy
This does the same as NODE_USE_ENV_PROXY. When both are set,
like other options that can be configured from both sides,
the CLI flag takes precedence.

PR-URL: https://github.com/nodejs/node/pull/59151
Fixes: https://github.com/nodejs/node/issues/59100
Reviewed-By: Ilyas Shabi <ilyasshabi94@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2025-07-26 20:43:10 +00:00

91 lines
3 KiB
JavaScript

// This tests that when the `NODE_USE_ENV_PROXY` environment variable is set to 1, Node.js
// correctly uses the `HTTP_PROXY` or `http_proxy` environment variable to proxy HTTP requests
// via request rewriting.
import * as common from '../common/index.mjs';
import assert from 'node:assert';
import http from 'node:http';
import { once } from 'events';
import { createProxyServer, runProxiedRequest } from '../common/proxy-server.js';
// Start a server to process the final request.
const server = http.createServer(common.mustCall((req, res) => {
res.end('Hello world');
}, common.isWindows ? 2 : 3));
server.on('error', common.mustNotCall((err) => { console.error('Server error', err); }));
server.listen(0);
await once(server, 'listening');
// Start a minimal proxy server.
const { proxy, logs } = createProxyServer();
proxy.listen(0);
await once(proxy, 'listening');
const serverHost = `localhost:${server.address().port}`;
const requestUrl = `http://${serverHost}/test`;
const expectedLogs = [{
method: 'GET',
url: requestUrl,
headers: {
'connection': 'keep-alive',
'proxy-connection': 'keep-alive',
'host': serverHost,
},
}];
// Check upper-cased HTTP_PROXY environment variable.
{
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
HTTP_PROXY: `http://localhost:${proxy.address().port}`,
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}
// Check lower-cased http_proxy environment variable.
{
logs.splice(0, logs.length);
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
http_proxy: `http://localhost:${proxy.address().port}`,
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}
// Check that the lower-cased http_proxy environment variable takes precedence over the
// upper-cased HTTP_PROXY.
// On Windows, environment variables are case-insensitive, so this test is not applicable.
if (!common.isWindows) {
const proxy2 = http.createServer(common.mustNotCall());
proxy2.on('connect', common.mustNotCall());
proxy2.listen(0);
await once(proxy2, 'listening');
// Check lower-cased http_proxy environment variable takes precedence.
logs.splice(0, logs.length);
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
http_proxy: `http://localhost:${proxy.address().port}`,
HTTP_PROXY: `http://localhost:${proxy2.address().port}`,
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
proxy2.close();
}
proxy.close();
server.close();