Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/addons/make-callback-recurse/test.js
'use strict';
const common = require('../../common');
const assert = require('assert');
const domain = require('domain');
const binding = require(`./build/${common.buildType}/binding`);
const makeCallback = binding.makeCallback;
// Make sure this is run in the future.
const mustCallCheckDomains = common.mustCall(checkDomains);
// Make sure that using MakeCallback allows the error to propagate.
assert.throws(() => {
makeCallback({}, () => {
throw new Error('hi from domain error');
});
}, /^Error: hi from domain error$/);
// Check the execution order of the nextTickQueue and MicrotaskQueue in
// relation to running multiple MakeCallback's from bootstrap,
// node::MakeCallback() and node::AsyncWrap::MakeCallback().
// TODO(trevnorris): Is there a way to verify this is being run during
// bootstrap?
(function verifyExecutionOrder(arg) {
const results = [];
// Processing of the MicrotaskQueue is manually handled by node. They are not
// processed until after the nextTickQueue has been processed.
Promise.resolve(1).then(common.mustCall(() => {
results.push(7);
}));
// The nextTick should run after all immediately invoked calls.
process.nextTick(common.mustCall(() => {
results.push(3);
// Run same test again but while processing the nextTickQueue to make sure
// the following MakeCallback call breaks in the middle of processing the
// queue and allows the script to run normally.
process.nextTick(common.mustCall(() => {
results.push(6);
}));
makeCallback({}, common.mustCall(() => {
results.push(4);
}));
results.push(5);
}));
results.push(0);
// MakeCallback is calling the function immediately, but should then detect
// that a script is already in the middle of execution and return before
// either the nextTickQueue or MicrotaskQueue are processed.
makeCallback({}, common.mustCall(() => {
results.push(1);
}));
// This should run before either the nextTickQueue or MicrotaskQueue are
// processed. Previously MakeCallback would not detect this circumstance
// and process them immediately.
results.push(2);
setImmediate(common.mustCall(() => {
for (let i = 0; i < results.length; i++) {
assert.strictEqual(results[i], i,
`verifyExecutionOrder(${arg}) results: ${results}`);
}
if (arg === 1) {
// The tests are first run on bootstrap during LoadEnvironment() in
// src/node.cc. Now run the tests through node::MakeCallback().
setImmediate(() => {
makeCallback({}, common.mustCall(() => {
verifyExecutionOrder(2);
}));
});
} else if (arg === 2) {
// Make sure there are no conflicts using node::MakeCallback()
// within timers.
setTimeout(common.mustCall(() => {
verifyExecutionOrder(3);
}), 10);
} else if (arg === 3) {
mustCallCheckDomains();
} else {
throw new Error('UNREACHABLE');
}
}));
}(1));
function checkDomains() {
// Check that domains are properly entered/exited when called in multiple
// levels from both node::MakeCallback() and AsyncWrap::MakeCallback
setImmediate(common.mustCall(() => {
const d1 = domain.create();
const d2 = domain.create();
const d3 = domain.create();
makeCallback({ domain: d1 }, common.mustCall(() => {
assert.strictEqual(d1, process.domain);
makeCallback({ domain: d2 }, common.mustCall(() => {
assert.strictEqual(d2, process.domain);
makeCallback({ domain: d3 }, common.mustCall(() => {
assert.strictEqual(d3, process.domain);
}));
assert.strictEqual(d2, process.domain);
}));
assert.strictEqual(d1, process.domain);
}));
}));
setTimeout(common.mustCall(() => {
const d1 = domain.create();
const d2 = domain.create();
const d3 = domain.create();
makeCallback({ domain: d1 }, common.mustCall(() => {
assert.strictEqual(d1, process.domain);
makeCallback({ domain: d2 }, common.mustCall(() => {
assert.strictEqual(d2, process.domain);
makeCallback({ domain: d3 }, common.mustCall(() => {
assert.strictEqual(d3, process.domain);
}));
assert.strictEqual(d2, process.domain);
}));
assert.strictEqual(d1, process.domain);
}));
}), 1);
function testTimer(id) {
// Make sure nextTick, setImmediate and setTimeout can all recover properly
// after a thrown makeCallback call.
const d = domain.create();
d.on('error', common.mustCall((e) => {
assert.strictEqual(e.message, `throw from domain ${id}`);
}));
makeCallback({ domain: d }, () => {
throw new Error(`throw from domain ${id}`);
});
throw new Error('UNREACHABLE');
}
process.nextTick(common.mustCall(testTimer), 3);
setImmediate(common.mustCall(testTimer), 2);
setTimeout(common.mustCall(testTimer), 1, 1);
}
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