nodejs/test/parallel/test-http-parser-lazy-loade...

50 lines
1.5 KiB
JavaScript

// Flags: --expose-internals
'use strict';
const common = require('../common');
const { getOptionValue } = require('internal/options');
// Monkey patch before requiring anything
class DummyParser {
constructor() {
this.test_type = null;
}
initialize(type) {
this.test_type = type;
}
}
DummyParser.REQUEST = Symbol();
// Note: using process.binding instead of internalBinding because this test is
// verifying that user applications are still able to monkey-patch the
// http_parser module.
const binding =
getOptionValue('--http-parser') === 'legacy' ?
process.binding('http_parser') : process.binding('http_parser_llhttp');
binding.HTTPParser = DummyParser;
const assert = require('assert');
const { spawn } = require('child_process');
const { parsers } = require('_http_common');
// Test _http_common was not loaded before monkey patching
const parser = parsers.alloc();
parser.initialize(DummyParser.REQUEST, {});
assert.strictEqual(parser instanceof DummyParser, true);
assert.strictEqual(parser.test_type, DummyParser.REQUEST);
if (process.argv[2] !== 'child') {
// Also test in a child process with IPC (specific case of https://github.com/nodejs/node/issues/23716)
const child = spawn(process.execPath, [
'--expose-internals',
`--http-parser=${getOptionValue('--http-parser')}`,
__filename, 'child'
], {
stdio: ['inherit', 'inherit', 'inherit', 'ipc']
});
child.on('exit', common.mustCall((code, signal) => {
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}));
}