461 lines
13 KiB
JavaScript
461 lines
13 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.testNameToKey =
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exports.serialize =
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exports.saveSnapshotFile =
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exports.removeLinesBeforeExternalMatcherTrap =
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exports.removeExtraLineBreaks =
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exports.minify =
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exports.keyToTestName =
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exports.getSnapshotData =
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exports.escapeBacktickString =
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exports.ensureDirectoryExists =
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exports.deserializeString =
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exports.deepMerge =
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exports.addExtraLineBreaks =
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exports.SNAPSHOT_VERSION_WARNING =
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exports.SNAPSHOT_VERSION =
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exports.SNAPSHOT_GUIDE_LINK =
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void 0;
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var path = _interopRequireWildcard(require('path'));
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var _chalk = _interopRequireDefault(require('chalk'));
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var fs = _interopRequireWildcard(require('graceful-fs'));
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var _naturalCompare = _interopRequireDefault(require('natural-compare'));
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var _prettyFormat = require('pretty-format');
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var _plugins = require('./plugins');
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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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function _getRequireWildcardCache(nodeInterop) {
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if (typeof WeakMap !== 'function') return null;
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var cacheBabelInterop = new WeakMap();
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var cacheNodeInterop = new WeakMap();
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return (_getRequireWildcardCache = function (nodeInterop) {
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return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
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})(nodeInterop);
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}
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function _interopRequireWildcard(obj, nodeInterop) {
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if (!nodeInterop && obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
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return {default: obj};
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}
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var cache = _getRequireWildcardCache(nodeInterop);
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor =
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Object.defineProperty && Object.getOwnPropertyDescriptor;
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for (var key in obj) {
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if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor
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? Object.getOwnPropertyDescriptor(obj, key)
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: null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var jestWriteFile =
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global[Symbol.for('jest-native-write-file')] || fs.writeFileSync;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var jestReadFile =
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global[Symbol.for('jest-native-read-file')] || fs.readFileSync;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var global = (function () {
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if (typeof globalThis !== 'undefined') {
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return globalThis;
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} else if (typeof global !== 'undefined') {
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return global;
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} else if (typeof self !== 'undefined') {
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return self;
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} else if (typeof window !== 'undefined') {
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return window;
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} else {
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return Function('return this')();
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}
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})();
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var jestExistsFile =
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global[Symbol.for('jest-native-exists-file')] || fs.existsSync;
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const SNAPSHOT_VERSION = '1';
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exports.SNAPSHOT_VERSION = SNAPSHOT_VERSION;
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const SNAPSHOT_VERSION_REGEXP = /^\/\/ Jest Snapshot v(.+),/;
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const SNAPSHOT_GUIDE_LINK = 'https://goo.gl/fbAQLP';
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exports.SNAPSHOT_GUIDE_LINK = SNAPSHOT_GUIDE_LINK;
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const SNAPSHOT_VERSION_WARNING = _chalk.default.yellow(
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`${_chalk.default.bold('Warning')}: Before you upgrade snapshots, ` +
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'we recommend that you revert any local changes to tests or other code, ' +
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'to ensure that you do not store invalid state.'
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);
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exports.SNAPSHOT_VERSION_WARNING = SNAPSHOT_VERSION_WARNING;
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const writeSnapshotVersion = () =>
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`// Jest Snapshot v${SNAPSHOT_VERSION}, ${SNAPSHOT_GUIDE_LINK}`;
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const validateSnapshotVersion = snapshotContents => {
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const versionTest = SNAPSHOT_VERSION_REGEXP.exec(snapshotContents);
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const version = versionTest && versionTest[1];
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if (!version) {
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return new Error(
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_chalk.default.red(
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`${_chalk.default.bold(
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'Outdated snapshot'
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)}: No snapshot header found. ` +
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'Jest 19 introduced versioned snapshots to ensure all developers ' +
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'on a project are using the same version of Jest. ' +
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'Please update all snapshots during this upgrade of Jest.\n\n'
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) + SNAPSHOT_VERSION_WARNING
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);
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}
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if (version < SNAPSHOT_VERSION) {
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return new Error(
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_chalk.default.red(
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`${_chalk.default.red.bold(
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'Outdated snapshot'
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)}: The version of the snapshot ` +
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'file associated with this test is outdated. The snapshot file ' +
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'version ensures that all developers on a project are using ' +
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'the same version of Jest. ' +
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'Please update all snapshots during this upgrade of Jest.\n\n'
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) +
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`Expected: v${SNAPSHOT_VERSION}\n` +
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`Received: v${version}\n\n` +
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SNAPSHOT_VERSION_WARNING
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);
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}
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if (version > SNAPSHOT_VERSION) {
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return new Error(
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_chalk.default.red(
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`${_chalk.default.red.bold(
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'Outdated Jest version'
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)}: The version of this ` +
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'snapshot file indicates that this project is meant to be used ' +
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'with a newer version of Jest. The snapshot file version ensures ' +
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'that all developers on a project are using the same version of ' +
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'Jest. Please update your version of Jest and re-run the tests.\n\n'
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) +
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`Expected: v${SNAPSHOT_VERSION}\n` +
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`Received: v${version}`
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);
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}
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return null;
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};
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function isObject(item) {
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return item != null && typeof item === 'object' && !Array.isArray(item);
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}
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const testNameToKey = (testName, count) => testName + ' ' + count;
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exports.testNameToKey = testNameToKey;
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const keyToTestName = key => {
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if (!/ \d+$/.test(key)) {
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throw new Error('Snapshot keys must end with a number.');
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}
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return key.replace(/ \d+$/, '');
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};
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exports.keyToTestName = keyToTestName;
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const getSnapshotData = (snapshotPath, update) => {
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const data = Object.create(null);
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let snapshotContents = '';
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let dirty = false;
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if (jestExistsFile(snapshotPath)) {
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try {
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snapshotContents = jestReadFile(snapshotPath, 'utf8'); // eslint-disable-next-line no-new-func
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const populate = new Function('exports', snapshotContents);
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populate(data);
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} catch {}
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}
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const validationResult = validateSnapshotVersion(snapshotContents);
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const isInvalid = snapshotContents && validationResult;
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if (update === 'none' && isInvalid) {
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throw validationResult;
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}
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if ((update === 'all' || update === 'new') && isInvalid) {
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dirty = true;
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}
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return {
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data,
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dirty
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};
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}; // Add extra line breaks at beginning and end of multiline snapshot
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// to make the content easier to read.
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exports.getSnapshotData = getSnapshotData;
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const addExtraLineBreaks = string =>
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string.includes('\n') ? `\n${string}\n` : string; // Remove extra line breaks at beginning and end of multiline snapshot.
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// Instead of trim, which can remove additional newlines or spaces
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// at beginning or end of the content from a custom serializer.
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exports.addExtraLineBreaks = addExtraLineBreaks;
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const removeExtraLineBreaks = string =>
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string.length > 2 && string.startsWith('\n') && string.endsWith('\n')
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? string.slice(1, -1)
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: string;
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exports.removeExtraLineBreaks = removeExtraLineBreaks;
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const removeLinesBeforeExternalMatcherTrap = stack => {
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const lines = stack.split('\n');
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for (let i = 0; i < lines.length; i += 1) {
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// It's a function name specified in `packages/expect/src/index.ts`
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// for external custom matchers.
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if (lines[i].includes('__EXTERNAL_MATCHER_TRAP__')) {
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return lines.slice(i + 1).join('\n');
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}
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}
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return stack;
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};
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exports.removeLinesBeforeExternalMatcherTrap =
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removeLinesBeforeExternalMatcherTrap;
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const escapeRegex = true;
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const printFunctionName = false;
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const serialize = (val, indent = 2, formatOverrides = {}) =>
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normalizeNewlines(
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(0, _prettyFormat.format)(val, {
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escapeRegex,
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indent,
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plugins: (0, _plugins.getSerializers)(),
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printFunctionName,
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...formatOverrides
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})
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);
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exports.serialize = serialize;
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const minify = val =>
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(0, _prettyFormat.format)(val, {
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escapeRegex,
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min: true,
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plugins: (0, _plugins.getSerializers)(),
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printFunctionName
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}); // Remove double quote marks and unescape double quotes and backslashes.
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exports.minify = minify;
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const deserializeString = stringified =>
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stringified.slice(1, -1).replace(/\\("|\\)/g, '$1');
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exports.deserializeString = deserializeString;
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const escapeBacktickString = str => str.replace(/`|\\|\${/g, '\\$&');
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exports.escapeBacktickString = escapeBacktickString;
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const printBacktickString = str => '`' + escapeBacktickString(str) + '`';
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const ensureDirectoryExists = filePath => {
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try {
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fs.mkdirSync(path.join(path.dirname(filePath)), {
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recursive: true
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});
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} catch {}
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};
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|
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||
|
|
exports.ensureDirectoryExists = ensureDirectoryExists;
|
||
|
|
|
||
|
|
const normalizeNewlines = string => string.replace(/\r\n|\r/g, '\n');
|
||
|
|
|
||
|
|
const saveSnapshotFile = (snapshotData, snapshotPath) => {
|
||
|
|
const snapshots = Object.keys(snapshotData)
|
||
|
|
.sort(_naturalCompare.default)
|
||
|
|
.map(
|
||
|
|
key =>
|
||
|
|
'exports[' +
|
||
|
|
printBacktickString(key) +
|
||
|
|
'] = ' +
|
||
|
|
printBacktickString(normalizeNewlines(snapshotData[key])) +
|
||
|
|
';'
|
||
|
|
);
|
||
|
|
ensureDirectoryExists(snapshotPath);
|
||
|
|
jestWriteFile(
|
||
|
|
snapshotPath,
|
||
|
|
writeSnapshotVersion() + '\n\n' + snapshots.join('\n\n') + '\n'
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.saveSnapshotFile = saveSnapshotFile;
|
||
|
|
|
||
|
|
const deepMergeArray = (target, source) => {
|
||
|
|
const mergedOutput = Array.from(target);
|
||
|
|
source.forEach((sourceElement, index) => {
|
||
|
|
const targetElement = mergedOutput[index];
|
||
|
|
|
||
|
|
if (Array.isArray(target[index])) {
|
||
|
|
mergedOutput[index] = deepMergeArray(target[index], sourceElement);
|
||
|
|
} else if (isObject(targetElement)) {
|
||
|
|
mergedOutput[index] = deepMerge(target[index], sourceElement);
|
||
|
|
} else {
|
||
|
|
// Source does not exist in target or target is primitive and cannot be deep merged
|
||
|
|
mergedOutput[index] = sourceElement;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return mergedOutput;
|
||
|
|
}; // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
|
||
|
|
|
||
|
|
const deepMerge = (target, source) => {
|
||
|
|
if (isObject(target) && isObject(source)) {
|
||
|
|
const mergedOutput = {...target};
|
||
|
|
Object.keys(source).forEach(key => {
|
||
|
|
if (isObject(source[key]) && !source[key].$$typeof) {
|
||
|
|
if (!(key in target))
|
||
|
|
Object.assign(mergedOutput, {
|
||
|
|
[key]: source[key]
|
||
|
|
});
|
||
|
|
else mergedOutput[key] = deepMerge(target[key], source[key]);
|
||
|
|
} else if (Array.isArray(source[key])) {
|
||
|
|
mergedOutput[key] = deepMergeArray(target[key], source[key]);
|
||
|
|
} else {
|
||
|
|
Object.assign(mergedOutput, {
|
||
|
|
[key]: source[key]
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return mergedOutput;
|
||
|
|
} else if (Array.isArray(target) && Array.isArray(source)) {
|
||
|
|
return deepMergeArray(target, source);
|
||
|
|
}
|
||
|
|
|
||
|
|
return target;
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.deepMerge = deepMerge;
|