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