205 lines
5.6 KiB
JavaScript
205 lines
5.6 KiB
JavaScript
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'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 = void 0;
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var _assert = require('assert');
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var _chalk = _interopRequireDefault(require('chalk'));
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var _jestMatcherUtils = require('jest-matcher-utils');
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var _prettyFormat = require('pretty-format');
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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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const assertOperatorsMap = {
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'!=': 'notEqual',
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'!==': 'notStrictEqual',
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'==': 'equal',
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'===': 'strictEqual'
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};
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const humanReadableOperators = {
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deepEqual: 'to deeply equal',
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deepStrictEqual: 'to deeply and strictly equal',
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equal: 'to be equal',
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notDeepEqual: 'not to deeply equal',
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notDeepStrictEqual: 'not to deeply and strictly equal',
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notEqual: 'to not be equal',
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notStrictEqual: 'not be strictly equal',
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strictEqual: 'to strictly be equal'
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};
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const formatNodeAssertErrors = (event, state) => {
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if (event.name === 'test_done') {
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event.test.errors = event.test.errors.map(errors => {
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let error;
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if (Array.isArray(errors)) {
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const [originalError, asyncError] = errors;
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if (originalError == null) {
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error = asyncError;
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} else if (!originalError.stack) {
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error = asyncError;
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error.message = originalError.message
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? originalError.message
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: `thrown: ${(0, _prettyFormat.format)(originalError, {
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maxDepth: 3
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})}`;
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} else {
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error = originalError;
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}
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} else {
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error = errors;
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}
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return isAssertionError(error)
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? {
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message: assertionErrorMessage(error, {
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expand: state.expand
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})
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}
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: errors;
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});
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}
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};
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const getOperatorName = (operator, stack) => {
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if (typeof operator === 'string') {
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return assertOperatorsMap[operator] || operator;
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}
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if (stack.match('.doesNotThrow')) {
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return 'doesNotThrow';
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}
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if (stack.match('.throws')) {
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return 'throws';
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} // this fallback is only needed for versions older than node 10
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if (stack.match('.fail')) {
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return 'fail';
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}
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return '';
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};
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const operatorMessage = operator => {
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const niceOperatorName = getOperatorName(operator, '');
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const humanReadableOperator = humanReadableOperators[niceOperatorName];
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return typeof operator === 'string'
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? `${humanReadableOperator || niceOperatorName} to:\n`
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: '';
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};
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const assertThrowingMatcherHint = operatorName =>
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operatorName
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? _chalk.default.dim('assert') +
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_chalk.default.dim('.' + operatorName + '(') +
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_chalk.default.red('function') +
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_chalk.default.dim(')')
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: '';
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const assertMatcherHint = (operator, operatorName, expected) => {
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let message = '';
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if (operator === '==' && expected === true) {
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message =
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_chalk.default.dim('assert') +
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_chalk.default.dim('(') +
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_chalk.default.red('received') +
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_chalk.default.dim(')');
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} else if (operatorName) {
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message =
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_chalk.default.dim('assert') +
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_chalk.default.dim('.' + operatorName + '(') +
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_chalk.default.red('received') +
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_chalk.default.dim(', ') +
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_chalk.default.green('expected') +
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_chalk.default.dim(')');
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}
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return message;
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};
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function assertionErrorMessage(error, options) {
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const {expected, actual, generatedMessage, message, operator, stack} = error;
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const diffString = (0, _jestMatcherUtils.diff)(expected, actual, options);
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const hasCustomMessage = !generatedMessage;
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const operatorName = getOperatorName(operator, stack);
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const trimmedStack = stack
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.replace(message, '')
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.replace(/AssertionError(.*)/g, '');
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if (operatorName === 'doesNotThrow') {
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return (
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buildHintString(assertThrowingMatcherHint(operatorName)) +
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_chalk.default.reset('Expected the function not to throw an error.\n') +
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_chalk.default.reset('Instead, it threw:\n') +
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` ${(0, _jestMatcherUtils.printReceived)(actual)}` +
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_chalk.default.reset(
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hasCustomMessage ? '\n\nMessage:\n ' + message : ''
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) +
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trimmedStack
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);
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}
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if (operatorName === 'throws') {
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return (
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buildHintString(assertThrowingMatcherHint(operatorName)) +
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_chalk.default.reset('Expected the function to throw an error.\n') +
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_chalk.default.reset("But it didn't throw anything.") +
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_chalk.default.reset(
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hasCustomMessage ? '\n\nMessage:\n ' + message : ''
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) +
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trimmedStack
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);
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}
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if (operatorName === 'fail') {
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return (
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buildHintString(assertMatcherHint(operator, operatorName, expected)) +
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_chalk.default.reset(hasCustomMessage ? 'Message:\n ' + message : '') +
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trimmedStack
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);
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}
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return (
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buildHintString(assertMatcherHint(operator, operatorName, expected)) +
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_chalk.default.reset(`Expected value ${operatorMessage(operator)}`) +
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` ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
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_chalk.default.reset('Received:\n') +
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` ${(0, _jestMatcherUtils.printReceived)(actual)}` +
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_chalk.default.reset(hasCustomMessage ? '\n\nMessage:\n ' + message : '') +
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(diffString ? `\n\nDifference:\n\n${diffString}` : '') +
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trimmedStack
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);
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}
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function isAssertionError(error) {
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return (
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error &&
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(error instanceof _assert.AssertionError ||
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error.name === _assert.AssertionError.name ||
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error.code === 'ERR_ASSERTION')
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);
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}
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function buildHintString(hint) {
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return hint ? hint + '\n\n' : '';
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}
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var _default = formatNodeAssertErrors;
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exports.default = _default;
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