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150 lines
3.4 KiB

4 years ago
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = collectHandles;
exports.formatHandleErrors = formatHandleErrors;
function _jestMessageUtil() {
const data = require('jest-message-util');
_jestMessageUtil = function _jestMessageUtil() {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function _jestUtil() {
return data;
};
return data;
}
function _stripAnsi() {
const data = _interopRequireDefault(require('strip-ansi'));
_stripAnsi = function _stripAnsi() {
return data;
};
return data;
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
function stackIsFromUser(stack) {
// Either the test file, or something required by it
if (stack.includes('Runtime.requireModule')) {
return true;
} // jest-jasmine it or describe call
if (stack.includes('asyncJestTest') || stack.includes('asyncJestLifecycle')) {
return true;
} // An async function call from within circus
if (stack.includes('callAsyncCircusFn')) {
// jest-circus it or describe call
return (
stack.includes('_callCircusTest') || stack.includes('_callCircusHook')
);
}
return false;
} // Inspired by https://github.com/mafintosh/why-is-node-running/blob/master/index.js
// Extracted as we want to format the result ourselves
function collectHandles() {
const activeHandles = new Map();
let hook;
try {
const asyncHooks = require('async_hooks');
hook = asyncHooks.createHook({
destroy(asyncId) {
activeHandles.delete(asyncId);
},
init: function initHook(asyncId, type) {
if (type === 'PROMISE' || type === 'TIMERWRAP') {
return;
}
const error = new (_jestUtil()).ErrorWithStack(type, initHook);
if (stackIsFromUser(error.stack || '')) {
activeHandles.set(asyncId, error);
}
}
});
hook.enable();
} catch (e) {
const nodeMajor = Number(process.versions.node.split('.')[0]);
if (e.code === 'MODULE_NOT_FOUND' && nodeMajor < 8) {
throw new Error(
'You can only use --detectOpenHandles on Node 8 and newer.'
);
} else {
throw e;
}
}
return () => {
hook.disable();
const result = Array.from(activeHandles.values());
activeHandles.clear();
return result;
};
}
function formatHandleErrors(errors, config) {
const stacks = new Set();
return (
errors
.map(err =>
(0, _jestMessageUtil().formatExecError)(
err,
config,
{
noStackTrace: false
},
undefined,
true
)
) // E.g. timeouts might give multiple traces to the same line of code
// This hairy filtering tries to remove entries with duplicate stack traces
.filter(handle => {
const ansiFree = (0, _stripAnsi().default)(handle);
const match = ansiFree.match(/\s+at(.*)/);
if (!match || match.length < 2) {
return true;
}
const stack = ansiFree.substr(ansiFree.indexOf(match[1])).trim();
if (stacks.has(stack)) {
return false;
}
stacks.add(stack);
return true;
})
);
}