180 lines
5.1 KiB
JavaScript
180 lines
5.1 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.isSnapshotPath =
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exports.buildSnapshotResolver =
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exports.EXTENSION =
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exports.DOT_EXTENSION =
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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 _transform = require('@jest/transform');
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var _jestUtil = require('jest-util');
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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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/**
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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 EXTENSION = 'snap';
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exports.EXTENSION = EXTENSION;
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const DOT_EXTENSION = '.' + EXTENSION;
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exports.DOT_EXTENSION = DOT_EXTENSION;
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const isSnapshotPath = path => path.endsWith(DOT_EXTENSION);
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exports.isSnapshotPath = isSnapshotPath;
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const cache = new Map();
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const buildSnapshotResolver = async (
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config,
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localRequire = (0, _transform.createTranspilingRequire)(config)
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) => {
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var _cache$get;
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const key = config.rootDir;
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const resolver =
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(_cache$get = cache.get(key)) !== null && _cache$get !== void 0
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? _cache$get
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: await createSnapshotResolver(
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await localRequire,
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config.snapshotResolver
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);
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cache.set(key, resolver);
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return resolver;
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};
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exports.buildSnapshotResolver = buildSnapshotResolver;
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async function createSnapshotResolver(localRequire, snapshotResolverPath) {
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return typeof snapshotResolverPath === 'string'
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? await createCustomSnapshotResolver(snapshotResolverPath, localRequire)
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: createDefaultSnapshotResolver();
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}
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function createDefaultSnapshotResolver() {
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return {
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resolveSnapshotPath: testPath =>
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path.join(
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path.join(path.dirname(testPath), '__snapshots__'),
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path.basename(testPath) + DOT_EXTENSION
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),
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resolveTestPath: snapshotPath =>
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path.resolve(
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path.dirname(snapshotPath),
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'..',
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path.basename(snapshotPath, DOT_EXTENSION)
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),
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testPathForConsistencyCheck: path.posix.join(
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'consistency_check',
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'__tests__',
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'example.test.js'
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)
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};
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}
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async function createCustomSnapshotResolver(
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snapshotResolverPath,
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localRequire
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) {
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const custom = (0, _jestUtil.interopRequireDefault)(
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await localRequire(snapshotResolverPath)
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).default;
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const keys = [
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['resolveSnapshotPath', 'function'],
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['resolveTestPath', 'function'],
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['testPathForConsistencyCheck', 'string']
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];
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keys.forEach(([propName, requiredType]) => {
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if (typeof custom[propName] !== requiredType) {
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throw new TypeError(mustImplement(propName, requiredType));
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}
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});
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const customResolver = {
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resolveSnapshotPath: testPath =>
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custom.resolveSnapshotPath(testPath, DOT_EXTENSION),
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resolveTestPath: snapshotPath =>
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custom.resolveTestPath(snapshotPath, DOT_EXTENSION),
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testPathForConsistencyCheck: custom.testPathForConsistencyCheck
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};
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verifyConsistentTransformations(customResolver);
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return customResolver;
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}
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function mustImplement(propName, requiredType) {
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return (
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_chalk.default.bold(
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`Custom snapshot resolver must implement a \`${propName}\` as a ${requiredType}.`
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) +
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'\nDocumentation: https://jestjs.io/docs/configuration#snapshotresolver-string'
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);
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}
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function verifyConsistentTransformations(custom) {
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const resolvedSnapshotPath = custom.resolveSnapshotPath(
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custom.testPathForConsistencyCheck
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);
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const resolvedTestPath = custom.resolveTestPath(resolvedSnapshotPath);
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if (resolvedTestPath !== custom.testPathForConsistencyCheck) {
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throw new Error(
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_chalk.default.bold(
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`Custom snapshot resolver functions must transform paths consistently, i.e. expects resolveTestPath(resolveSnapshotPath('${custom.testPathForConsistencyCheck}')) === ${resolvedTestPath}`
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)
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);
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}
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}
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