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nodejs/test/async-hooks/test-httpparser.request.js
Thorsten Lorenz e3e56f1d71
test: adding tests for initHooks API
Async wrap providers tested:

- crypto.randomBytes
- crypto.pbkdf2
- fs event wrap
- fsreqwrap access
- fsreqwrap readFile
- getaddrinforeq wrap
- getnameinforeq wrap
- pipe connect wrap
- query wrap
- pipewrap
- processwrap
- shutdown wrap
- tcpwrap
- udpwrap
- send wrap
- detailed signal wrap
- statwatcher
- timerwrap via setTimeout
- timerwrap via setInterval
- for Immediate
- http parser request
- http parser response
- connection via ssl server
- tls wrap
- write wrap
- ttywrap via readstream
- ttywrap via wriream
- zctx via zlib binding deflate

Embedder API:

-  async-event tests
  - one test looks at the happy paths
  - another ensures that in cases of events emitted in an order that
  doesn't make sense, the order is enforced by async hooks throwing a
  meaningful error
  - embedder enforcement tests are split up since async hook stack
  corruption now the process
  - therefore we launch a child and check for error output of the offending code

Additional tests:

- tests that show that we can enable/disable hooks inside their lifetime
events
- tests that verify the graph of resources triggering the creation of
other resources

Test Helpers:

- init-hooks:
  - returns one collector instance
  - when created an async hook is created and the lifetime events are
  registered to call the appropriate collector functions
  - the collector also exposes `enable` and `disable` functions which call
  through to the async hook

- hook checks:
  - checks invocations of life time hooks against the actual invocations
  that were collected
  - in some cases like `destroy` a min/max range of invocations can be
  supplied since in these cases the exact number is non-deterministic

- verify graph:
  - verifies the triggerIds of specific async resources are as expected,
  i.e. the creation of resources was triggered by the resource we expect
  - includes a printGraph function to generate easily readable test
  input for verify graph
  - both functions prune TickObjects to create less brittle and easier
  to understand tests

PR-URL: https://github.com/nodejs/node/pull/12892
Ref: https://github.com/nodejs/node/pull/11883
Ref: https://github.com/nodejs/node/pull/8531
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
2017-05-10 22:22:33 +02:00

59 lines
1.5 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const tick = require('./tick');
const initHooks = require('./init-hooks');
const { checkInvocations } = require('./hook-checks');
const binding = process.binding('http_parser');
const HTTPParser = binding.HTTPParser;
const CRLF = '\r\n';
const REQUEST = HTTPParser.REQUEST;
const kOnHeadersComplete = HTTPParser.kOnHeadersComplete | 0;
const hooks = initHooks();
hooks.enable();
const request = Buffer.from(
'GET /hello HTTP/1.1' + CRLF + CRLF
);
const parser = new HTTPParser(REQUEST);
const as = hooks.activitiesOfTypes('HTTPPARSER');
const httpparser = as[0];
assert.strictEqual(
as.length, 1,
'1 httpparser created synchronously when creating new httpparser');
assert.strictEqual(typeof httpparser.uid, 'number', 'uid is a number');
assert.strictEqual(typeof httpparser.triggerId,
'number', 'triggerId is a number');
checkInvocations(httpparser, { init: 1 }, 'when created new Httphttpparser');
parser[kOnHeadersComplete] = common.mustCall(onheadersComplete);
parser.execute(request, 0, request.length);
function onheadersComplete() {
checkInvocations(httpparser, { init: 1, before: 1 },
'when onheadersComplete called');
tick(1, common.mustCall(tick1));
}
function tick1() {
parser.close();
tick(1);
}
process.on('exit', onexit);
function onexit() {
hooks.disable();
hooks.sanityCheck('HTTPPARSER');
checkInvocations(httpparser, { init: 1, before: 1, after: 1, destroy: 1 },
'when process exits');
}