646 lines
17 KiB
JavaScript
646 lines
17 KiB
JavaScript
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'use strict';
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var fs = _interopRequireWildcard(require('graceful-fs'));
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var _jestMatcherUtils = require('jest-matcher-utils');
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var _SnapshotResolver = require('./SnapshotResolver');
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var _State = _interopRequireDefault(require('./State'));
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var _plugins = require('./plugins');
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var _printSnapshot = require('./printSnapshot');
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var utils = _interopRequireWildcard(require('./utils'));
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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 jestExistsFile =
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global[Symbol.for('jest-native-exists-file')] || fs.existsSync;
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const DID_NOT_THROW = 'Received function did not throw'; // same as toThrow
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const NOT_SNAPSHOT_MATCHERS = `Snapshot matchers cannot be used with ${(0,
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_jestMatcherUtils.BOLD_WEIGHT)('not')}`;
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const INDENTATION_REGEX = /^([^\S\n]*)\S/m; // Display name in report when matcher fails same as in snapshot file,
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// but with optional hint argument in bold weight.
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const printSnapshotName = (concatenatedBlockNames = '', hint = '', count) => {
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const hasNames = concatenatedBlockNames.length !== 0;
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const hasHint = hint.length !== 0;
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return (
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'Snapshot name: `' +
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(hasNames ? utils.escapeBacktickString(concatenatedBlockNames) : '') +
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(hasNames && hasHint ? ': ' : '') +
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(hasHint
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? (0, _jestMatcherUtils.BOLD_WEIGHT)(utils.escapeBacktickString(hint))
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: '') +
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' ' +
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count +
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'`'
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);
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};
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function stripAddedIndentation(inlineSnapshot) {
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// Find indentation if exists.
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const match = inlineSnapshot.match(INDENTATION_REGEX);
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if (!match || !match[1]) {
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// No indentation.
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return inlineSnapshot;
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}
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const indentation = match[1];
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const lines = inlineSnapshot.split('\n');
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if (lines.length <= 2) {
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// Must be at least 3 lines.
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return inlineSnapshot;
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}
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if (lines[0].trim() !== '' || lines[lines.length - 1].trim() !== '') {
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// If not blank first and last lines, abort.
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return inlineSnapshot;
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}
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for (let i = 1; i < lines.length - 1; i++) {
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if (lines[i] !== '') {
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if (lines[i].indexOf(indentation) !== 0) {
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// All lines except first and last should either be blank or have the same
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// indent as the first line (or more). If this isn't the case we don't
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// want to touch the snapshot at all.
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return inlineSnapshot;
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}
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lines[i] = lines[i].substring(indentation.length);
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}
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} // Last line is a special case because it won't have the same indent as others
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// but may still have been given some indent to line up.
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lines[lines.length - 1] = ''; // Return inline snapshot, now at indent 0.
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inlineSnapshot = lines.join('\n');
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return inlineSnapshot;
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}
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const fileExists = (filePath, hasteFS) =>
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hasteFS.exists(filePath) || jestExistsFile(filePath);
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const cleanup = (hasteFS, update, snapshotResolver, testPathIgnorePatterns) => {
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const pattern = '\\.' + _SnapshotResolver.EXTENSION + '$';
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const files = hasteFS.matchFiles(pattern);
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let testIgnorePatternsRegex = null;
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if (testPathIgnorePatterns && testPathIgnorePatterns.length > 0) {
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testIgnorePatternsRegex = new RegExp(testPathIgnorePatterns.join('|'));
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}
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const list = files.filter(snapshotFile => {
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const testPath = snapshotResolver.resolveTestPath(snapshotFile); // ignore snapshots of ignored tests
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if (testIgnorePatternsRegex && testIgnorePatternsRegex.test(testPath)) {
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return false;
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}
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if (!fileExists(testPath, hasteFS)) {
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if (update === 'all') {
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fs.unlinkSync(snapshotFile);
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}
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return true;
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}
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return false;
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});
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return {
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filesRemoved: list.length,
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filesRemovedList: list
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};
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};
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const toMatchSnapshot = function (received, propertiesOrHint, hint) {
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const matcherName = 'toMatchSnapshot';
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let properties;
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const length = arguments.length;
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if (length === 2 && typeof propertiesOrHint === 'string') {
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hint = propertiesOrHint;
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} else if (length >= 2) {
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if (typeof propertiesOrHint !== 'object' || propertiesOrHint === null) {
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const options = {
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isNot: this.isNot,
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promise: this.promise
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};
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let printedWithType = (0, _jestMatcherUtils.printWithType)(
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'Expected properties',
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propertiesOrHint,
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_printSnapshot.printExpected
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);
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if (length === 3) {
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options.secondArgument = 'hint';
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options.secondArgumentColor = _jestMatcherUtils.BOLD_WEIGHT;
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if (propertiesOrHint == null) {
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printedWithType +=
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"\n\nTo provide a hint without properties: toMatchSnapshot('hint')";
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}
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}
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throw new Error(
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(0, _jestMatcherUtils.matcherErrorMessage)(
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(0, _jestMatcherUtils.matcherHint)(
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matcherName,
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undefined,
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_printSnapshot.PROPERTIES_ARG,
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options
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),
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`Expected ${(0, _jestMatcherUtils.EXPECTED_COLOR)(
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'properties'
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)} must be an object`,
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printedWithType
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)
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);
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} // Future breaking change: Snapshot hint must be a string
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// if (arguments.length === 3 && typeof hint !== 'string') {}
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properties = propertiesOrHint;
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}
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return _toMatchSnapshot({
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context: this,
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hint,
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isInline: false,
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matcherName,
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properties,
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received
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});
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};
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const toMatchInlineSnapshot = function (
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received,
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propertiesOrSnapshot,
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inlineSnapshot
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) {
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const matcherName = 'toMatchInlineSnapshot';
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let properties;
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const length = arguments.length;
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if (length === 2 && typeof propertiesOrSnapshot === 'string') {
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inlineSnapshot = propertiesOrSnapshot;
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} else if (length >= 2) {
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const options = {
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isNot: this.isNot,
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promise: this.promise
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};
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if (length === 3) {
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options.secondArgument = _printSnapshot.SNAPSHOT_ARG;
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options.secondArgumentColor = _printSnapshot.noColor;
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}
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if (
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typeof propertiesOrSnapshot !== 'object' ||
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propertiesOrSnapshot === null
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) {
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throw new Error(
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(0, _jestMatcherUtils.matcherErrorMessage)(
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(0, _jestMatcherUtils.matcherHint)(
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matcherName,
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undefined,
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_printSnapshot.PROPERTIES_ARG,
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options
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),
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`Expected ${(0, _jestMatcherUtils.EXPECTED_COLOR)(
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'properties'
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)} must be an object`,
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(0, _jestMatcherUtils.printWithType)(
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'Expected properties',
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propertiesOrSnapshot,
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_printSnapshot.printExpected
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)
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)
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);
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}
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if (length === 3 && typeof inlineSnapshot !== 'string') {
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throw new Error(
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(0, _jestMatcherUtils.matcherErrorMessage)(
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(0, _jestMatcherUtils.matcherHint)(
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matcherName,
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undefined,
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_printSnapshot.PROPERTIES_ARG,
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options
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),
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'Inline snapshot must be a string',
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(0, _jestMatcherUtils.printWithType)(
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'Inline snapshot',
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inlineSnapshot,
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utils.serialize
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)
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)
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);
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}
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properties = propertiesOrSnapshot;
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}
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return _toMatchSnapshot({
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context: this,
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inlineSnapshot:
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inlineSnapshot !== undefined
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? stripAddedIndentation(inlineSnapshot)
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: undefined,
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isInline: true,
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matcherName,
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properties,
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received
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});
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};
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const _toMatchSnapshot = config => {
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const {context, hint, inlineSnapshot, isInline, matcherName, properties} =
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config;
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let {received} = config;
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context.dontThrow && context.dontThrow();
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const {currentTestName, isNot, snapshotState} = context;
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if (isNot) {
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throw new Error(
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(0, _jestMatcherUtils.matcherErrorMessage)(
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(0, _printSnapshot.matcherHintFromConfig)(config, false),
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NOT_SNAPSHOT_MATCHERS
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)
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);
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}
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if (snapshotState == null) {
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// Because the state is the problem, this is not a matcher error.
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// Call generic stringify from jest-matcher-utils package
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// because uninitialized snapshot state does not need snapshot serializers.
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throw new Error(
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(0, _printSnapshot.matcherHintFromConfig)(config, false) +
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'\n\n' +
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'Snapshot state must be initialized' +
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'\n\n' +
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(0, _jestMatcherUtils.printWithType)(
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'Snapshot state',
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snapshotState,
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_jestMatcherUtils.stringify
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)
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);
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}
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const fullTestName =
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currentTestName && hint
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? `${currentTestName}: ${hint}`
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: currentTestName || ''; // future BREAKING change: || hint
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if (typeof properties === 'object') {
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if (typeof received !== 'object' || received === null) {
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throw new Error(
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(0, _jestMatcherUtils.matcherErrorMessage)(
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(0, _printSnapshot.matcherHintFromConfig)(config, false),
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`${(0, _jestMatcherUtils.RECEIVED_COLOR)(
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'received'
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)} value must be an object when the matcher has ${(0,
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_jestMatcherUtils.EXPECTED_COLOR)('properties')}`,
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(0, _jestMatcherUtils.printWithType)(
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'Received',
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received,
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_printSnapshot.printReceived
|
||
|
|
)
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
const propertyPass = context.equals(received, properties, [
|
||
|
|
context.utils.iterableEquality,
|
||
|
|
context.utils.subsetEquality
|
||
|
|
]);
|
||
|
|
|
||
|
|
if (!propertyPass) {
|
||
|
|
const key = snapshotState.fail(fullTestName, received);
|
||
|
|
const matched = /(\d+)$/.exec(key);
|
||
|
|
const count = matched === null ? 1 : Number(matched[1]);
|
||
|
|
|
||
|
|
const message = () =>
|
||
|
|
(0, _printSnapshot.matcherHintFromConfig)(config, false) +
|
||
|
|
'\n\n' +
|
||
|
|
printSnapshotName(currentTestName, hint, count) +
|
||
|
|
'\n\n' +
|
||
|
|
(0, _printSnapshot.printPropertiesAndReceived)(
|
||
|
|
properties,
|
||
|
|
received,
|
||
|
|
snapshotState.expand
|
||
|
|
);
|
||
|
|
|
||
|
|
return {
|
||
|
|
message,
|
||
|
|
name: matcherName,
|
||
|
|
pass: false
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
received = utils.deepMerge(received, properties);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const result = snapshotState.match({
|
||
|
|
error: context.error,
|
||
|
|
inlineSnapshot,
|
||
|
|
isInline,
|
||
|
|
received,
|
||
|
|
testName: fullTestName
|
||
|
|
});
|
||
|
|
const {actual, count, expected, pass} = result;
|
||
|
|
|
||
|
|
if (pass) {
|
||
|
|
return {
|
||
|
|
message: () => '',
|
||
|
|
pass: true
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
const message =
|
||
|
|
expected === undefined
|
||
|
|
? () =>
|
||
|
|
(0, _printSnapshot.matcherHintFromConfig)(config, true) +
|
||
|
|
'\n\n' +
|
||
|
|
printSnapshotName(currentTestName, hint, count) +
|
||
|
|
'\n\n' +
|
||
|
|
`New snapshot was ${(0, _jestMatcherUtils.BOLD_WEIGHT)(
|
||
|
|
'not written'
|
||
|
|
)}. The update flag ` +
|
||
|
|
'must be explicitly passed to write a new snapshot.\n\n' +
|
||
|
|
'This is likely because this test is run in a continuous integration ' +
|
||
|
|
'(CI) environment in which snapshots are not written by default.\n\n' +
|
||
|
|
`Received:${actual.includes('\n') ? '\n' : ' '}${(0,
|
||
|
|
_printSnapshot.bReceivedColor)(actual)}`
|
||
|
|
: () =>
|
||
|
|
(0, _printSnapshot.matcherHintFromConfig)(config, true) +
|
||
|
|
'\n\n' +
|
||
|
|
printSnapshotName(currentTestName, hint, count) +
|
||
|
|
'\n\n' +
|
||
|
|
(0, _printSnapshot.printSnapshotAndReceived)(
|
||
|
|
expected,
|
||
|
|
actual,
|
||
|
|
received,
|
||
|
|
snapshotState.expand
|
||
|
|
); // Passing the actual and expected objects so that a custom reporter
|
||
|
|
// could access them, for example in order to display a custom visual diff,
|
||
|
|
// or create a different error message
|
||
|
|
|
||
|
|
return {
|
||
|
|
actual,
|
||
|
|
expected,
|
||
|
|
message,
|
||
|
|
name: matcherName,
|
||
|
|
pass: false
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
const toThrowErrorMatchingSnapshot = function (
|
||
|
|
received,
|
||
|
|
hint, // because error TS1016 for hint?: string
|
||
|
|
fromPromise
|
||
|
|
) {
|
||
|
|
const matcherName = 'toThrowErrorMatchingSnapshot'; // Future breaking change: Snapshot hint must be a string
|
||
|
|
// if (hint !== undefined && typeof hint !== string) {}
|
||
|
|
|
||
|
|
return _toThrowErrorMatchingSnapshot(
|
||
|
|
{
|
||
|
|
context: this,
|
||
|
|
hint,
|
||
|
|
isInline: false,
|
||
|
|
matcherName,
|
||
|
|
received
|
||
|
|
},
|
||
|
|
fromPromise
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
const toThrowErrorMatchingInlineSnapshot = function (
|
||
|
|
received,
|
||
|
|
inlineSnapshot,
|
||
|
|
fromPromise
|
||
|
|
) {
|
||
|
|
const matcherName = 'toThrowErrorMatchingInlineSnapshot';
|
||
|
|
|
||
|
|
if (inlineSnapshot !== undefined && typeof inlineSnapshot !== 'string') {
|
||
|
|
const options = {
|
||
|
|
expectedColor: _printSnapshot.noColor,
|
||
|
|
isNot: this.isNot,
|
||
|
|
promise: this.promise
|
||
|
|
};
|
||
|
|
throw new Error(
|
||
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
||
|
|
(0, _jestMatcherUtils.matcherHint)(
|
||
|
|
matcherName,
|
||
|
|
undefined,
|
||
|
|
_printSnapshot.SNAPSHOT_ARG,
|
||
|
|
options
|
||
|
|
),
|
||
|
|
'Inline snapshot must be a string',
|
||
|
|
(0, _jestMatcherUtils.printWithType)(
|
||
|
|
'Inline snapshot',
|
||
|
|
inlineSnapshot,
|
||
|
|
utils.serialize
|
||
|
|
)
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return _toThrowErrorMatchingSnapshot(
|
||
|
|
{
|
||
|
|
context: this,
|
||
|
|
inlineSnapshot:
|
||
|
|
inlineSnapshot !== undefined
|
||
|
|
? stripAddedIndentation(inlineSnapshot)
|
||
|
|
: undefined,
|
||
|
|
isInline: true,
|
||
|
|
matcherName,
|
||
|
|
received
|
||
|
|
},
|
||
|
|
fromPromise
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
const _toThrowErrorMatchingSnapshot = (config, fromPromise) => {
|
||
|
|
const {context, hint, inlineSnapshot, isInline, matcherName, received} =
|
||
|
|
config;
|
||
|
|
context.dontThrow && context.dontThrow();
|
||
|
|
const {isNot, promise} = context;
|
||
|
|
|
||
|
|
if (!fromPromise) {
|
||
|
|
if (typeof received !== 'function') {
|
||
|
|
const options = {
|
||
|
|
isNot,
|
||
|
|
promise
|
||
|
|
};
|
||
|
|
throw new Error(
|
||
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
||
|
|
(0, _jestMatcherUtils.matcherHint)(
|
||
|
|
matcherName,
|
||
|
|
undefined,
|
||
|
|
'',
|
||
|
|
options
|
||
|
|
),
|
||
|
|
`${(0, _jestMatcherUtils.RECEIVED_COLOR)(
|
||
|
|
'received'
|
||
|
|
)} value must be a function`,
|
||
|
|
(0, _jestMatcherUtils.printWithType)(
|
||
|
|
'Received',
|
||
|
|
received,
|
||
|
|
_printSnapshot.printReceived
|
||
|
|
)
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isNot) {
|
||
|
|
throw new Error(
|
||
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
||
|
|
(0, _printSnapshot.matcherHintFromConfig)(config, false),
|
||
|
|
NOT_SNAPSHOT_MATCHERS
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
let error;
|
||
|
|
|
||
|
|
if (fromPromise) {
|
||
|
|
error = received;
|
||
|
|
} else {
|
||
|
|
try {
|
||
|
|
received();
|
||
|
|
} catch (e) {
|
||
|
|
error = e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (error === undefined) {
|
||
|
|
// Because the received value is a function, this is not a matcher error.
|
||
|
|
throw new Error(
|
||
|
|
(0, _printSnapshot.matcherHintFromConfig)(config, false) +
|
||
|
|
'\n\n' +
|
||
|
|
DID_NOT_THROW
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return _toMatchSnapshot({
|
||
|
|
context,
|
||
|
|
hint,
|
||
|
|
inlineSnapshot,
|
||
|
|
isInline,
|
||
|
|
matcherName,
|
||
|
|
received: error.message
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
const JestSnapshot = {
|
||
|
|
EXTENSION: _SnapshotResolver.EXTENSION,
|
||
|
|
SnapshotState: _State.default,
|
||
|
|
addSerializer: _plugins.addSerializer,
|
||
|
|
buildSnapshotResolver: _SnapshotResolver.buildSnapshotResolver,
|
||
|
|
cleanup,
|
||
|
|
getSerializers: _plugins.getSerializers,
|
||
|
|
isSnapshotPath: _SnapshotResolver.isSnapshotPath,
|
||
|
|
toMatchInlineSnapshot,
|
||
|
|
toMatchSnapshot,
|
||
|
|
toThrowErrorMatchingInlineSnapshot,
|
||
|
|
toThrowErrorMatchingSnapshot,
|
||
|
|
utils
|
||
|
|
};
|
||
|
|
module.exports = JestSnapshot;
|