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nodejs/test/async-hooks/test-emit-before-after.js
David Cai 35353a45fc test: increase coverage of async_hooks
PR-URL: https://github.com/nodejs/node/pull/13336
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
2017-06-07 11:02:47 +08:00

47 lines
1.6 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const spawnSync = require('child_process').spawnSync;
const async_hooks = require('async_hooks');
const initHooks = require('./init-hooks');
switch (process.argv[2]) {
case 'test_invalid_async_id':
async_hooks.emitBefore(-1);
break;
case 'test_invalid_trigger_id':
async_hooks.emitBefore(1, -1);
break;
}
const c1 = spawnSync(process.execPath, [__filename, 'test_invalid_async_id']);
assert.strictEqual(c1.stderr.toString().split('\n')[0],
'Error: before(): asyncId or triggerId is less than zero ' +
'(asyncId: -1, triggerId: -1)');
assert.strictEqual(c1.status, 1);
const c2 = spawnSync(process.execPath, [__filename, 'test_invalid_trigger_id']);
assert.strictEqual(c2.stderr.toString().split('\n')[0],
'Error: before(): asyncId or triggerId is less than zero ' +
'(asyncId: 1, triggerId: -1)');
assert.strictEqual(c2.status, 1);
const expectedId = async_hooks.newUid();
const expectedTriggerId = async_hooks.newUid();
const expectedType = 'test_emit_before_after_type';
// Verify that if there is no registered hook, then nothing will happen.
async_hooks.emitBefore(expectedId);
async_hooks.emitAfter(expectedId);
initHooks({
onbefore: common.mustCall((id) => assert.strictEqual(id, expectedId)),
onafter: common.mustCall((id) => assert.strictEqual(id, expectedId)),
allowNoInit: true
}).enable();
async_hooks.emitInit(expectedId, expectedType, expectedTriggerId);
async_hooks.emitBefore(expectedId);
async_hooks.emitAfter(expectedId);