'use strict';Object.defineProperty(exports, "__esModule", { value: true });exports.separateMessageFromStack = exports.formatResultsErrors = exports.formatStackTrace = exports.formatExecError = undefined; var _fs = require('fs');var _fs2 = _interopRequireDefault(_fs); var _path = require('path');var _path2 = _interopRequireDefault(_path); var _chalk = require('chalk');var _chalk2 = _interopRequireDefault(_chalk); var _micromatch = require('micromatch');var _micromatch2 = _interopRequireDefault(_micromatch); var _slash = require('slash');var _slash2 = _interopRequireDefault(_slash); var _codeFrame = require('@babel/code-frame'); var _stackUtils = require('stack-utils');var _stackUtils2 = _interopRequireDefault(_stackUtils);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} // stack utils tries to create pretty stack by making paths relative. const stackUtils = new _stackUtils2.default({ cwd: 'something which does not exist' }); /** * Copyright (c) 2014-present, Facebook, Inc. 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. * * */let nodeInternals = [];try {nodeInternals = _stackUtils2.default.nodeInternals() // this is to have the tests be the same in node 4 and node 6. // TODO: Remove when we drop support for node 4 .concat(new RegExp('internal/process/next_tick.js')); } catch (e) { // `StackUtils.nodeInternals()` fails in browsers. We don't need to remove // node internals in the browser though, so no issue. } // filter for noisy stack trace lines const JASMINE_IGNORE = /^\s+at(?:(?:.*?vendor\/|jasmine\-)|\s+jasmine\.buildExpectationResult)/; const JEST_INTERNALS_IGNORE = /^\s+at.*?jest(-.*?)?(\/|\\)(build|node_modules|packages)(\/|\\)/; const ANONYMOUS_FN_IGNORE = /^\s+at .*$/; const ANONYMOUS_PROMISE_IGNORE = /^\s+at (new )?Promise \(\).*$/; const ANONYMOUS_GENERATOR_IGNORE = /^\s+at Generator.next \(\).*$/; const NATIVE_NEXT_IGNORE = /^\s+at next \(native\).*$/; const TITLE_INDENT = ' '; const MESSAGE_INDENT = ' '; const STACK_INDENT = ' '; const ANCESTRY_SEPARATOR = ' \u203A '; const TITLE_BULLET = _chalk2.default.bold('\u25cf '); const STACK_TRACE_COLOR = _chalk2.default.dim; const STACK_PATH_REGEXP = /\s*at.*\(?(\:\d*\:\d*|native)\)?/; const EXEC_ERROR_MESSAGE = 'Test suite failed to run'; const ERROR_TEXT = 'Error: '; const trim = string => (string || '').replace(/^\s+/, '').replace(/\s+$/, ''); // Some errors contain not only line numbers in stack traces // e.g. SyntaxErrors can contain snippets of code, and we don't // want to trim those, because they may have pointers to the column/character // which will get misaligned. const trimPaths = string => string.match(STACK_PATH_REGEXP) ? trim(string) : string; const getRenderedCallsite = (fileContent, line) => { let renderedCallsite = (0, _codeFrame.codeFrameColumns)( fileContent, { start: { line } }, { highlightCode: true }); renderedCallsite = renderedCallsite. split('\n'). map(line => MESSAGE_INDENT + line). join('\n'); renderedCallsite = `\n${renderedCallsite}\n`; return renderedCallsite; }; // ExecError is an error thrown outside of the test suite (not inside an `it` or // `before/after each` hooks). If it's thrown, none of the tests in the file // are executed. const formatExecError = exports.formatExecError = ( testResult, config, options, testPath) => { let error = testResult.testExecError; if (!error || typeof error === 'number') { error = new Error(`Expected an Error, but "${String(error)}" was thrown`); error.stack = ''; }var _error = error;let message = _error.message,stack = _error.stack; if (typeof error === 'string' || !error) { error || (error = 'EMPTY ERROR'); message = ''; stack = error; } const separated = separateMessageFromStack(stack || ''); stack = separated.stack; if (separated.message.indexOf(trim(message)) !== -1) { // Often stack trace already contains the duplicate of the message message = separated.message; } message = message. split(/\n/). map(line => MESSAGE_INDENT + line). join('\n'); stack = stack && !options.noStackTrace ? '\n' + formatStackTrace(stack, config, options, testPath) : ''; if (message.match(/^\s*$/) && stack.match(/^\s*$/)) { // this can happen if an empty object is thrown. message = MESSAGE_INDENT + 'Error: No message was provided'; } return ( TITLE_INDENT + TITLE_BULLET + EXEC_ERROR_MESSAGE + '\n\n' + message + stack + '\n'); }; const removeInternalStackEntries = (lines, options) => { let pathCounter = 0; return lines.filter(line => { if (ANONYMOUS_FN_IGNORE.test(line)) { return false; } if (ANONYMOUS_PROMISE_IGNORE.test(line)) { return false; } if (ANONYMOUS_GENERATOR_IGNORE.test(line)) { return false; } if (NATIVE_NEXT_IGNORE.test(line)) { return false; } if (nodeInternals.some(internal => internal.test(line))) { return false; } if (!STACK_PATH_REGEXP.test(line)) { return true; } if (JASMINE_IGNORE.test(line)) { return false; } if (++pathCounter === 1) { return true; // always keep the first line even if it's from Jest } if (options.noStackTrace) { return false; } if (JEST_INTERNALS_IGNORE.test(line)) { return false; } return true; }); }; const formatPaths = ( config, options, relativeTestPath, line) => { // Extract the file path from the trace line. const match = line.match(/(^\s*at .*?\(?)([^()]+)(:[0-9]+:[0-9]+\)?.*$)/); if (!match) { return line; } let filePath = (0, _slash2.default)(_path2.default.relative(config.rootDir, match[2])); // highlight paths from the current test file if ( config.testMatch && config.testMatch.length && (0, _micromatch2.default)(filePath, config.testMatch) || filePath === relativeTestPath) { filePath = _chalk2.default.reset.cyan(filePath); } return STACK_TRACE_COLOR(match[1]) + filePath + STACK_TRACE_COLOR(match[3]); }; const formatStackTrace = exports.formatStackTrace = ( stack, config, options, testPath) => { let lines = stack.split(/\n/); let renderedCallsite = ''; const relativeTestPath = testPath ? (0, _slash2.default)(_path2.default.relative(config.rootDir, testPath)) : null; lines = removeInternalStackEntries(lines, options); const topFrame = lines. map(line => line.trim()). filter(Boolean). filter( line => !line.includes(`${_path2.default.sep}node_modules${_path2.default.sep}`) && !line.includes(`${_path2.default.sep}expect${_path2.default.sep}build${_path2.default.sep}`)). map(line => stackUtils.parseLine(line)). filter(Boolean). filter(parsedFrame => parsedFrame.file)[0]; if (topFrame) { const filename = topFrame.file; if (_path2.default.isAbsolute(filename)) { let fileContent; try { // TODO: check & read HasteFS instead of reading the filesystem: // see: https://github.com/facebook/jest/pull/5405#discussion_r164281696 fileContent = _fs2.default.readFileSync(filename, 'utf8'); renderedCallsite = getRenderedCallsite(fileContent, topFrame.line); } catch (e) { // the file does not exist or is inaccessible, we ignore } } } const stacktrace = lines. map(trimPaths). map(formatPaths.bind(null, config, options, relativeTestPath)). map(line => STACK_INDENT + line). join('\n'); return renderedCallsite + stacktrace; }; const formatResultsErrors = exports.formatResultsErrors = ( testResults, config, options, testPath) => { const failedResults = testResults.reduce((errors, result) => { result.failureMessages.forEach(content => errors.push({ content, result })); return errors; }, []); if (!failedResults.length) { return null; } return failedResults. map((_ref) => {let result = _ref.result,content = _ref.content;var _separateMessageFromS = separateMessageFromStack(content);let message = _separateMessageFromS.message,stack = _separateMessageFromS.stack; stack = options.noStackTrace ? '' : STACK_TRACE_COLOR( formatStackTrace(stack, config, options, testPath)) + '\n'; message = message. split(/\n/). map(line => MESSAGE_INDENT + line). join('\n'); const title = _chalk2.default.bold.red( TITLE_INDENT + TITLE_BULLET + result.ancestorTitles.join(ANCESTRY_SEPARATOR) + ( result.ancestorTitles.length ? ANCESTRY_SEPARATOR : '') + result.title) + '\n'; return title + '\n' + message + '\n' + stack; }). join('\n'); }; // jasmine and worker farm sometimes don't give us access to the actual // Error object, so we have to regexp out the message from the stack string // to format it. const separateMessageFromStack = exports.separateMessageFromStack = content => { if (!content) { return { message: '', stack: '' }; } const messageMatch = content.match(/(^(.|\n)*?(?=\n\s*at\s.*\:\d*\:\d*))/); let message = messageMatch ? messageMatch[0] : 'Error'; const stack = messageMatch ? content.slice(message.length) : content; // If the error is a plain error instead of a SyntaxError or TypeError // we remove it from the message because it is generally not useful. if (message.startsWith(ERROR_TEXT)) { message = message.substr(ERROR_TEXT.length); } return { message, stack }; };