Jest resetmodules ts export const getValue = () => 'Real jest. mo Saved searches Use saved searches to filter your results more quickly Nov 11, 2019 · Jest . resetModules and another require) I'm at a loss reallyliterally all I want to do is change a property value before a test runs Apr 26, 2021 · I tried removing the mock using: jest. module1. isolateModules(fn) goes a step further than jest. js file. js extension', because you don't want to run the tests of imported node_module packages. /get-number' const multiplier = (num:number) => num * getNumber() export {multiplier} Jun 21, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 11, 2023 · 🚀 Feature Proposal. likes field will be omitted from first test while title, url field will be missing from second test. Motivation I have several files that contain local state which I would like to reset between tests. resetModules' is undefined)" Snippet: Sep 3, 2018 · You still get the mocked utils module in your second test because you have actually required it inside the manual mock (__mocks__/utils. genMockFromModule('crypto') const toString: Function = jest. via a configuration option and a corresponding @jest-docblock tag for configuration on a per-file basis. genMockFunction(); } jest. It makes network requests and sets the window location so you will want to use Mocks Functions to verify it is working as expected without actually making network requests and setting the window location. This also fails with "TypeError: jest. Jun 1, 2017 · I also tried an adaptation of the solution here but I couldn't get it work, because there the mock returns a function:. advanceTimersByTime instead) A lot of Jest's packages have been migrated to use ESM-style exports (although they are still shipped as CommonJS), so if you consume e. This can be done programmatically using jest Expected behavior. (In 'jest. NODE_ENV; }); Here you can find a complete guide on the same. jestでテストを記載するときは、以下のようにテスト対象のファイルをコードの上部でインポートすると思う。 jest. resetModules? See related note by @john-james regarding moduleNameMapper : jest. resetModules that you to call before each test: beforeEach(() => { jest. Jul 24, 2018 · I want to mock the node_module 'React Native Keychain' in React Native with Jest. I use jest. js: Dec 7, 2024 · 但是，在使用 Jest 进行测试时，我们有时会遇到一些 mock 常量问题。为了解决这些问题，我们需要使用 require 来导入模块，并使用 jest. ts file will look as follows: これは、ローカルモジュールの状態がテスト間で競合しないように、テストごとにモジュールを分離するのに役立ちます。これは、 jest. resetModules does not seem to work even in simplest use case. Oct 22, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand jest. fn May 1, 2020 · I was able to get this to work by calling jest. resetModules (); const sum2 = require ('. So that there will be a new evaluation for each test case. Dec 2, 2017 · The problem is how a module is being mocked. resetModules instead) jest. rootDir [string] # Default: The root of the directory containing the package. Here is an example function and test: const pgp = require('pg-promise')({}); co Jun 8, 2019 · jest. exports = { clearMocks: true, // } You can read Jest documentation about this feature. ) Setup your babel configuration to handle ES6 imports by add a testing env option (the testing environment flag will be defined in your package. js in it. resetModules with jest@24 makes the test fail -> works exactly as expected. resetModules() and creates a sandbox registry for the modules which are loaded inside the callback function. resetModuleRegistry (use jest. He Aug 28, 2017 · 主要API. Nov 27, 2024 · We need to be able to set the environment variable differently for different tests, and therefore cannot simply import an . resetModules: Resets the module registry - the cache of all required modules. mock statements to the beginning of the file so they are executed before any imports take place. resetModules should reset the module repository, and in so doing, remove any state being kept by a module between multiple uses of require. resetModules() Resets the module registry - the cache of all required modules. So you should use require to require the module after modifying the process. resetModules before each test, modules mocked in one test are affecting subsequent tests. I can even delete the package folder from folder node_modules and Jest is happy to run the tests (almost all are passing). Share Improve this answer Sep 27, 2024 · **コードの可読性と意図の明確さ**-** 1つ目のテスト **-`beforeEach` と `jest. resetModules(); } but it seems it neither clear, no reset the mocks since other tests are failing. ts import {getNumber} from '. Jan 31, 2018 · I have test code that is effecting other tests and causing them to fail. mock calls that happens in CJS won't work for ESM. doMock instead, while making sure to reset modules before each test with beforeEach(() => jest. clearAllMocks(); jest. resetModules() to the beforeEach call which, in this case, resets node-fetch to the real module; We added jest. To mock modules in ESM, you need to use require or dynamic import() after jest. As the reference states,. resetModules or jest. promises is a Getter function and is lazy loaded from internal/fs/promises, and jest is seemingly unable to clean lazy loaded modules with jest. js const crypto = jest. resetModules(). It is simple and it will let you mock the file in other test suits. anything() More foundational reading for Mock Functions and spies in Jest: Mock Functions - Jest Documentation; jest. The test file: Dec 30, 2017 · What matters is that you call jest. nextTick and provided an API jest. doMock() to a tests beforeEach (along with jest. mock calls to load the mocked modules - the same applies to modules which load the mocked modules. Nov 28, 2020 · You can use jest. restoreAllMocks, jest. Nov 5, 2018 · You run jest, both tests pass, mission accomplished. I can check calledWith(url) however in this case both urls are identical. g. This is useful to isolate modules for every test so that local module state doesn't conflict between tests. I've found a possibility to do this on file basis with fetch. dontMock serve the same purpose but aren't hoisted. restoreAllMocks(); If the current behavior is a bug, please provide the steps to reproduce and Jun 4, 2019 · For some reason jest. e. What am i doing wrong? import Axios from 'ax Feb 28, 2020 · AfterEach(() => { jest. Mar 14, 2022 · I'm trying to introduce a small change to an existing project without unit tests and decided I'd try to learn enough about nodejs and jest to include tests with my change. js should be purged exactly as it is in jest@24 . json) which will clear the spy on each tests but without having to call jest. NODE_ENV environment has not been modified. json scripts, for example: "test": "NODE_ENV=testing jest" or "test": "BABEL_ENV=testing jest") Oct 7, 2020 · jest. . cache object before mocking with different implementations. pretty-format directly, you may need to adjust your import to a default import. json is found. isolateModules(fn) は jest. unmock. resetModules() to reset the module cache from require. exports = { foo: jest. unmock is still desirable in order for these tests to not cross-contaminate each other, tests that use top-level helper won't be affected by it. The root directory that Jest should scan for tests and modules within. json example below) with: "jest": { "transform": {} } Step 2: To be able to parse ES modules without an external transformer (e. Provide details and share your research! But avoid …. ) Jun 13, 2020 · It looks like this is a bug in Jest: Invalid hook call after `jest. Enabling resetModules goes a step further and resets the module registry before running each individual test. env. resetModules) to ensure the order of execution doesn’t interfere with your mock setup². . However it does provide a function, jest. It's important to say that you must reset modules that have been cached using jest. /sum'); sum1 === sum2; // > false (Both sum modules are separate "instances" of the sum module. Share Improve this answer Sep 27, 2023 · const delegationRoleArn = Stack. mock('core-module') and then call jest. This is especially important if the class being tested captures environment variables globally (in its file but outside the class definition). Oct 17, 2020 · Objective: I am writing test using jest to test for bad POST request. XXXにテスト用の値を代入する。解説. toHaveBeenCalledWith and expect. This can be done in beforeEach or a similar teardown function. Jul 2, 2021 · 🐛 Bug Report jest. reactjs; mocking; react-router; Jest cheat sheet. js), which in Jest's cache is still referenced as a mock that should be returned due to jest. config. While jest. spyOn() spy/stub/mock assertion reference; Jest assert over single or specific argument/parameters with . This resulted in really annoying object instance difference errors: Compared values have no visual difference. By default, each test file gets its own independent module registry. resetModules() and creates a sandbox registry for the modules that are loaded inside the callback function. json or the pwd if no package. resetModules is to make sure that the setting of process. Jest will re-import any required module after a call to this. resetModules()', 'jest. You are a happy developer. Oct 1, 2023 · 而 resetModules 就是 Jest 官方提供的一个方法，用来解决此类问题。 resetModules 方法介绍. So I have been struggling with how to test dynamic imports generally and in this case, especially in jest, I have been reading a lot on the internet but did not find anything concrete, so I thought I have the feeling that mocking works per test file. import jest. resetModuleRegistry with dynamic require in test To Reproduce Steps to reproduce the behavior: Expected behavior No invalid hook call Link to repl or repo (highly encour Jul 22, 2022 · beforEachの中でjest. js: class Module1 { init() {} } module. Aug 31, 2022 · This tell jest to clear all the mock usage data before the next test case start. resetAllMocks in all forms and combinations but nothing worked. resetModules 方法是 Jest 提供的一个内置方法，它用来清除缓存的测试模块，这样下次 require 时就可以重新加载模块。 resetModules 方法有两种使用方式：全局调用. Nov 23, 2017 · I am trying to mock the pg promise library. May 16, 2019 · I want to move away from using jest. Jan 12, 2017 · So, many thanks to the Jest folks on Discord. isolateModules(fn) method goes a step further than jest. resetModules() を使用してプログラムで実行できます。 resolver [string] Default: undefined Mar 13, 2019 · I've tried adding a jest. I usually put this in afterEach, just so I don’t have to always remember to do it, just like cleanup in react-testing-library. Apr 24, 2020 · Jest has a means of configuring that. resetModules() Jan 7, 2019 · yes, I know that window. Mocking process. This can be done programmatically using jest. resetModuleRegistry and then require your component inside your tests. Sep 29, 2019 · 🐛 Bug Report Invalid hook call when using jest. May 19, 2021 · Commenting out jest. resetModules() 函数来清除缓存，以便下次测试可以重新加载模块。 Sep 24, 2019 · This key is for jest to know where your test files are. env = { OLD_ENV }; delete process. js file and a create. js file that uses the dynamodb. This method is useful to isolate specific modules for every test so that local module state doesn't conflict between tests. mock instead Dec 21, 2021 · jest使用中にrequireのキャッシュをクリアしたいケースがある。 require. js 环境变量设置。或者 Express. jest. doMock inside the test block, you could use require to import the taskService module (make sure to use require('. See the syntax, examples and other methods in the jest object. how it the mocks should be cleared\reseted so other tests will act normal and pass before having the solution in the tests suite. resetModules() to reset the module registry and isolate modules between tests. in `parsedConfig. cacheの内容を削除することで対応できるが、jest使用中は、ここにキャッシュが格納されない。 beforeEachにてresetModulesを実行することで、読み込んでいたrequireのキャッシュを消すことが可能。 jest. The methods in the `jest` object help create mocks and let you control Jest's overall behavior. isolateModules should achieve the same outcome. It can also be imported explicitly by via `import {jest} from '@jest/globals'`. Users of these functions would pick whichever one suits the needs, based on the orchestration they are performing in their test. So, the first time a module is required, then its initialization code runs. Actual behavior. clearAllMocks() in every tests. fn(). resetModules()) the test works but it ignores the second mock, running with an empty array. When I run test cases in isolation everything passes, but when I run the entire suit there are many failures. resetModules() This will reset the module registry - the cache of all required modules. resetModules() iterates over the global object and checks if any properties are mocks by evaluating if globalMock. Nov 18, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Module mocking in ESM . This means that the module mock doesn't wrap the original module, it completely replaces the original module in the require system. Allow use of the original require and createRequire(), or replacements with the original caching mechanism, in tests, e. js module is generic and can insert into any tables by having the param object I was able to resolve this by making 2 changes in my Option-1 solution:. resetModules() in code and the resetModules option can be enabled in the configuration to bring back the previous behavior. Don't ask me why ¯\_(ツ)_/¯ The approach that worked the best for me was to set the tests like this: Oct 31, 2018 · Jest's Babel plugin will "hoist" jest. mock: In the file multiplier. Expected behavior The cached dynamically-generated-file. Example: const sum1 = require ('. This would matter for a case like this one: Oct 31, 2023 · The call to jest. resetModules() process. Basically, using this key, you're telling jest 'dont look in node_modules for files with the . Nov 18, 2024 · When writing tests in Jest, you might encounter scenarios where your application relies on environment variables defined in process. I would have thought the instanceof operator should remain unaffected following a call to jest. I have them in a __mocks__ folder (same level als node_modules) folder and the module mocking works. The bug happens when you call jest. So I'm having to explicit call jest. doMock can also be used on a per file basis, I recommend using the top-level jest. (along with jest. /sum'); sum1 === sum2; // > false (Both sum modules are separate "instances" of the sum jest. resetModules() in the beforeEach hook to resets the module registry - the cache of all required modules. Contribute to sapegin/jest-cheat-sheet development by creating an account on GitHub. May 6, 2022 · fs. , babel), start Node with the --experimental-vm-modules flag. doMock，它也会执行 Mock 操作，但是不会 jest. Mocks a module with an auto-mocked version when it is being required. js (or from package. mock 的方法来做 Mock 的话，就有点不合适了。下面来聊聊这种需要多次 Mock 的解决方法。 # doMock. resetModules() and re-require the world – that should work? Sep 14, 2023 · I am modifying env variables to simulate different environments in my tests. It is useful to isolate modules where local state might conflict between Step 1: Prevent Jest from trying to transform ESM code to CommonJS, updating your Jest config (package. Since ESM evaluates static import statements before looking at the code, the hoisting of jest. resetModules. This function lets you pass the module name or path and it will ensure the module is never mocked. runTimersToTime (use jest. process Oct 6, 2017 · We added jest. I want to be able mock return whether the promise rejects or resolves. config. This is jest. Setting bail to true is the same as setting bail to 1. doMock() 函数来进行 mock。同时，我们也需要使用 jest. doMock call (jest. resetModules()を呼ぶ。各テストの中でprocess. I only want/need to reload a single Module mocking in ESM . But when I try to mock a local module the mocked function does not get called. This is useful to isolate modules where local state might conflict between tests. From the jest docs, jest. my POST request will intentionally have missing fields for each test. So my test. May 16, 2017 · Core modules aren't created specifically for Jest, they are actually pulled in from the parent context. assign is called ( in both cases: when Axios resolve() and when Axios reject(). Note that jest. runAllTimers() to advance timers programatically. Sep 25, 2018 · You should use jest. resetModules() }); This will uncache your modules and enable sandboxing. /config module for each test case. env object (OLD_ENV) – Tomasz Mularczyk Commented Jun 28, 2020 at 11:33 Jan 11, 2020 · You need to use jest. REACT_APP_FEATURE = "true" within the test itself, have tried setting it using 'beforeAll' and 'beforeEach' as well as using jest. The instanceof operator cannot correctly determine that an object is an instance of a certain class after calling jest. Sep 9, 2020 · 🐛 Bug Report According to this thread: #2582 it doesn't work. Saved searches Use saved searches to filter your results more quickly Mar 12, 2020 · Although I'm calling jest. fn() and . resetModules do that already? How can I unmock everything without worrying about what has been mocked before? May 13, 2022 · 如果还用 jest. 이러한 기본값을 변경하지 않으면 테스트가 Jan 27, 2021 · I'm writing a test in jest for a module which uses a constant from a different module. json: Mar 17, 2020 · Two ways you can pass this test: Option 1. location. mock tells Jest that it should return the module mock instead of the actual module whenever it is required. Noodles, don't noodles. doMock call passing the full AppState module location, and calling resetModules to make sure to isolate the test case. If you haven’t changed these defaults, your tests might be fragile, order-dependent, or just downright wrong. doMock to mock node-fetch and then re-imported the module we are testing; Apr 4, 2018 · To add to @Gigi's solution, I created another example, using jest. To Reproduce Create test for myTestFn which return mocked value. May 21, 2019 · To prevent tests from affecting each other, make sure to clean up by call jest. First up is clearMocks: Jul 12, 2024 · The jest. mock calls work a little differently. resetModules is not a function. Jun 19, 2019 · NOTE: if I remove beforeEach(() => jest. Mar 31, 2017 · If you are using ES6 import syntax, there is no way to reset modules between tests. Real vs Fake Timers By default Jest used to mock all timer functions like setTimeout or process. My original code to get things working as such was bad like this: beforeEac Dec 14, 2017 · I have been using mockClear() for jest. resetModules and jest. To properly handle this i need to reset the module registry of jest using jest. resetModules()) doesn't work. Test file: import { myTestFn } from Jul 1, 2020 · I am running jest tests to test a dynamodb. …es) * fix: type-check `include`d files missed by transform (type-only files) - type-only files never get processed by Rollup as their imports are elided/removed by TS in the resulting compiled JS file - so, as a workaround, make sure that all files in the `tsconfig` `include` (i. Why? because require() caches its results. In this blog post, I’ll dig into what each setting does, and how you can fix your tests. _isMockFunction is truthy for each property on the global. mock classes and apparently the mocks were not completely cleared somehow (spy function calls inside mock classes were not cleared). Set and unset. resetModules() before the test and after it you restore initial process. Besides, you should use jest. module. resetModules since I want to reset two modules, but keep one through all the runs. resetModules to specify which modules should be reset. exports = new Module1(); module2. env file with the variable on it. resetAllMocks(); jest. jest. 刚刚说到 jest. Following the docs I created a folder called __mocks__ and created a file called react-native-keychain. I am not sure why it is not working when I declare it inside beforeAll (looking into this). Feb 24, 2022 · I'm looking to do something similar that's posed in the following question: how to reset module imported between tests This works, however it resets ALL modules. This is useful to isolate modules for every test so that the local module state doesn't conflict between tests. env doesn't leak out into other tests. resetModules() function. One can study the generated code by taking a peek into Jest's cache directory (run jest --showConfig to learn the location). We have tried setting process. Mocking per file. APP_PORT 设置的端口上运行我怎样才能用 Je Jan 2, 2020 · The key here is the jest. NODE_ENV in the test case. Then I found jest. You can also configure Jest by setting resetModules in your package. resetModules() よりもさらに一歩進んで、コールバック関数内にロードされるモジュール用のサンドボックスレジストリを作成します。これは、ローカルモジュールの状態がテスト間で競合しないように、テストごとに特定の jest. However, whichever "between test clearing" option I use, the next test is not "sandb I want to mock a module and then unmock it for specific tests. The create. resetModules` for dynamic `require`s. resetAllMocks A superset of clearAllMocks() and it also reset the mock function implementations with brand new jest. Move jest. ) Mar 26, 2018 · I have a manual mock of crypto that looks like this: // __mocks__/crypto. ts:. doMock is deliberately not hoisted. Mar 6, 2021 · @lueenavarro If you do want to use jest. I want to set a different value for it for every test case, but I don't seem to be able to do so. (and jest. describe: 將相關的測試案例整合起來定義一個測試結果(test suite)，可以使用beforeEach，afterEach決定再跑測試之前或之後要先執行的區塊。; it Apr 22, 2019 · You can use jest. Dec 14, 2020 · The question is formulated this way as I'm able to step into tested code in IDE and the actual code runs as expected, but the test fails. doMock calls are not hoisted to the top of the code block). resetModules() in a beforeEach() in order to reset the module namespaces before each test. May 9, 2019 · Just a note - if using babel-jest, mock calls are hoisted to the top of the transpiled js doMock allow you to mock in the before functions of a test. – Achintya Ashok. resetModules for the intended use case of clearing out a module that contains local state. /sum'); jest. None of Oct 10, 2022 · 我有一个依赖于环境变量的应用程序，例如： {代码} 我想测试一下，例如： APP_PORT 可以由 Node. mock 会提升到整个文件最前面，这也导致我们无法再次修改 Mock 的实现。jest 还提供了另一个 API jest. I've tried using a require right after my doMock call but as expected it didn't work, as I'm not using the module directly in my tests. May 4, 2023 · The Jest settings clearMocks, resetMocks, restoreMocks, and resetModules are set to false by default. mock('axios'); after import statement. resetModules() and resetModules:[boolean] It resets Jest's module registry which is a cache for all required/imported modules. resetModules() function so that modules are imported again in between each test. Sep 29, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. /taskService'). May 25, 2021 · jest. ) jest. mock is hoisted above import when used at top level and hoisted to the the beginning of the block when used in a block (test function scope, etc), same for jest. Sep 1, 2016 · Modules can be reset using jest. E. resetModules and another require) I've tried adding a jest. This is useful to isolate specific modules for every test so that local module state doesn't conflict between tests. doMock(moduleName, factory, options) to mock . doMock() within the test function I need to change the value. By default, Jest runs all tests and produces all errors into the console upon completion. resetModules() in beforeEach method to reset the already required modules beforeEach(() => { jest. clearAllMocks, and jest. resetModules() to reset the module registry - the cache of all required modules. The bail config option can be used here to have Jest stop running tests after n failures. And once added implementation it will keep the If you wish to do it at a global level, you could also update your jest. Commented Mar 27, 2021 at 18:25. of(this). However, this means that I also need to re-require other modules that do not contain local state. <> Returns the jest object for chaining. export default { foo: 'bar', }; app. Apr 13, 2021 · I'm using react-easy-state and I want to reset the store on each test. Jul 12, 2024 · jest. i. There's a javascript file attached to testing HTML with < Jan 18, 2024 · Before each test, we importantly utilize the jest. unmock('module') in the second test. The only workaround is to put tests in different files, or switch to non-standard require syntax. If you go through the Jest Configuration Documentation, you'll find a property named moduleNameMapper which takes an object with the keys being regular expressions and the values being the paths for the mock for the corresponding modules which match the regex. Which works fine. What I recommend you to do is jest. formatArn({ region: '', // IAM is global in each partition service: 'iam', account: SHARED_SERVICES_ACCOUNT, resource: 'role Nov 14, 2020 · Im trying to unmock axios module inside the test function, but it keeps returning the mocked response even tho i have declared the dontMock function. It's possible to actually clear the modules from the cache with the jest. Aug 31, 2018 · Your code does not have any exports so you will need to use require() at the point in your test you want it to run. 示例： const sum1 = require ('. Nov 8, 2018 · This is because Jest doesn't uncache the modules by default. As an example my main file looks like: import React from 'react'; import LocalizedStrings from 'react-localization'; const strings = new LocalizedStrings({ en:{ optSelect:'Se jest. Sep 21, 2018 · 🐛 Bug Report jest. resetModules did not unmock the node-cache module that was in use by the function I was testing. Shouldn't jest. The `jest` object is automatically in scope within every test file. mock() being at the top most scope. Asking for help, clarification, or responding to other answers. ) I'm currently working on a test where I need to mock a default exported config object to test different configuration possibilities. doMock()` を使ったモックの処理もやや冗長です。 Mar 30, 2022 · Saved searches Use saved searches to filter your results more quickly Jul 9, 2022 · Jest is a popular testing framework that works with projects such as Babel, TypeScript, Node, React, Jul 13, 2023 · jest. doMock and jest. doMock(moduleName, factory, options) to mock module1 module. Apr 15, 2021 · You can use jest. Jun 8, 2023 · Jest 설정 clearMocks, resetMocks, restoreMocks 그리고 resetModules는 기본적으로 false로 설정되어 있습니다. Jul 5, 2018 · 🚀 Feature Proposal Allow passing variable arguments to jest. default since the module has default exports) after the jest. js 应用程序正在使用 process. resetModules(); const sum2 = require ('. test. Jun 11, 2020 · However, using jest. Learn how to use jest. spyOn(object, methodName) - Jest Documentation Mar 9, 2021 · Use es6 import to import the module, the code in the module will be executed immediately, at this time process. Feb 5, 2018 · jest. Jest takes over the require system and jest. fileNames`) are also type-checked - note May 6, 2020 · I am writing Typescript that depends on a third party library. cacheDirectory [string] Default: "/tmp/<path>" The directory where Jest should store its cached dependency Oct 24, 2020 · beforeEach with jest. The library has a class with a static field. I've mocked some nodejs modules (one of them, for example, is fs). By default, all mock function without implementation it will always return undefined. resetModules() # Resets the module registry - the cache of all required modules. Jul 18, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jul 2, 2017 · Jest is picking up an old version of a package and thus my tests fail unless I use --no-cache. I'm trying to write a unit test that mocks out the library but it never seems to work. After mocking, require the module2. resetModules()` を使うことで、テストの初期化処理が追加されており、テスト全体の流れがやや複雑になります。また、 `jest. env is essential to ensure your tests are The `jest` object is automatically in scope within every test file. ts, multiplier is the exported function we want to test: // file: multiplier. To Reproduce Source Code # resetModules. resetModules(); jest. ymzqow joxfi kkirmy odd ibpsq giyiuk uimrbg sjkium mfuf ofr

Jest resetmodules. } 我想测试一下，例如： APP_PORT 可以由 Node.