node/test/async-hooks/test-pipewrap.js
Anna Henningsen 1dc3272bb9
test: improve async hooks test error messages
Improve error messages in the async hooks tests, mostly by removing
unhelpful `message` parameters for assertions.

PR-URL: https://github.com/nodejs/node/pull/13243
Reviewed-By: Kunal Pathak <kunal.pathak@microsoft.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
2017-06-03 23:08:24 +02:00

88 lines
2.7 KiB
JavaScript

// NOTE: this also covers process wrap as one is created along with the pipes
// when we launch the sleep process
'use strict';
// Flags: --expose-gc
const common = require('../common');
const assert = require('assert');
const tick = require('./tick');
const initHooks = require('./init-hooks');
const { checkInvocations } = require('./hook-checks');
const spawn = require('child_process').spawn;
const hooks = initHooks();
hooks.enable();
const nodeVersionSpawn = spawn(process.execPath, [ '--version' ]);
nodeVersionSpawn
.on('exit', common.mustCall(onsleepExit))
.on('close', common.mustCall(onsleepClose));
// a process wrap and 3 pipe wraps for std{in,out,err} are initialized
// synchronously
const processes = hooks.activitiesOfTypes('PROCESSWRAP');
const pipes = hooks.activitiesOfTypes('PIPEWRAP');
assert.strictEqual(processes.length, 1);
assert.strictEqual(pipes.length, 3);
const processwrap = processes[0];
const pipe1 = pipes[0];
const pipe2 = pipes[1];
const pipe3 = pipes[2];
assert.strictEqual(processwrap.type, 'PROCESSWRAP');
assert.strictEqual(processwrap.triggerId, 1);
checkInvocations(processwrap, { init: 1 },
'processwrap when sleep.spawn was called');
[ pipe1, pipe2, pipe3 ].forEach((x) => {
assert.strictEqual(x.type, 'PIPEWRAP');
assert.strictEqual(x.triggerId, 1);
checkInvocations(x, { init: 1 }, 'pipe wrap when sleep.spawn was called');
});
function onsleepExit(code) {
checkInvocations(processwrap, { init: 1, before: 1 },
'processwrap while in onsleepExit callback');
}
function onsleepClose() {
tick(1, () =>
checkInvocations(
processwrap,
{ init: 1, before: 1, after: 1 },
'processwrap while in onsleepClose callback')
);
}
process.on('exit', onexit);
function onexit() {
hooks.disable();
hooks.sanityCheck('PROCESSWRAP');
hooks.sanityCheck('PIPEWRAP');
checkInvocations(
processwrap,
{ init: 1, before: 1, after: 1 },
'processwrap while in onsleepClose callback');
[ pipe1, pipe2, pipe3 ].forEach((x) => {
assert.strictEqual(x.type, 'PIPEWRAP');
assert.strictEqual(x.triggerId, 1);
});
const ioEvents = Math.min(pipe2.before.length, pipe2.after.length);
// 2 events without any IO and at least one more for the node version data.
// Usually it is just one event, but it can be more.
assert.ok(ioEvents >= 3, `at least 3 stdout io events, got ${ioEvents}`);
checkInvocations(pipe1, { init: 1, before: 2, after: 2 },
'pipe wrap when sleep.spawn was called');
checkInvocations(pipe2, { init: 1, before: ioEvents, after: ioEvents },
'pipe wrap when sleep.spawn was called');
checkInvocations(pipe3, { init: 1, before: 2, after: 2 },
'pipe wrap when sleep.spawn was called');
}