– My practial example, Node.js Login System with Express, JWT & MySQL (Rest API), Node.js in Plesk: Installation and hosting of your application, One-time token to generate the activation links, Status of the entry (0 = not verified, 1 = verified). If you just want to fetch the browser distribution, you can also curl it fromunpkg. Property testing for JavaScript. Il peut être utilisé comme nœud.js app bibliothèque / un outil de ligne de commande / ou le navigateur avec l'aide de browserify ou webpack . Q 9 - Which of the following is true about exec methd of child_process module. An introduction to test double, Partial test double (without module interception), Full test double (with module interception), 8 samples of how to mock with different libraries, Test Doubles implementations across libraries, Explanation from Justin Searls the creator of testdouble. We will send the link in the last step by mail. To do this, we create a new route that reads the user from the database using the user ID. Why don't we test things ourselves and see how consumer-driven contract testing with Pact actually works? Basic syntax of spy, stub and mock in different libraries: Let's now look at some implementation details about how each library deals with some specific requirements. If you need a stub, you can get one with a simple Subbing library With the double opt-in procedure, in addition to the registration in a form, e.g. See this article for more explanation: Jest Full and Partial Mock/Spy of CommonJS and ES6 Module Imports. I will show you here what exactly is behind it and how you can integrate Double Opt-In into your Node.js application. After we upgraded our current version with Node.js, we can run again node -v and we'll find that the version is the latest version of Node.js. It's named full test double because you are not keeping anything of your original dependency behavior. Test runner: The test runner find tests in your code, launch test, generate and display test progress and results. sinon for easy Test Doubles; ava for running the tests; MongoDB as an example, but of course the persistence can be changed at your liking; no real email API service, to keep it simple; A testable implementation Test-driven design. To perform your 'test double' tests, you'll need these 4 features: a test runner, an assertion library, a test double creator and a module interceptor. This could happen when the production code needs to connect to a database, or when you need to obtain the precise system time, as you’ll see … My personal choice is Jest, easy, versatile and trustworthy. If everything works out: Congratulations & happy coding! Node.js test; Node.js testing; Test; Testing; Test double; Test dummy; View more; Publisher. The following diagram should explain the difference in the registration process: The Double Opt-In has many advantages and is now an established standard for any web application, app, etc. stubs to replace the behavior of your dependency in order to check your system under test. All ready! We'll consider fake and stub as one category. The value undefined means that a value has not been set yet or simply does not exist: I have already shown in another tutorial how we can create a RestAPI with Node.js and connect it to our frontend, e.g. Node.js has a few core types: number , boolean , string , and object. In my case the query is after checking if a corresponding database entry exists. So the first step is to install the required packages: We can install these packages with the following command: We now extend our existing users table by three more columns: The complete MySQL table now looks like this: Here again the hint: This tutorial is based on another tutorial from me: Node.js Login System with Express, JWT and MySQL (RestAPI). Sinon is a very powerful library and offers a lot of test double functionality for both Node and browser JavaScript testing that you will find useful so definitely check out the documentation. Stub: (= Dummy + static implementation) test double with modification of the behavior in order to test your component. Let’s start by cloning the project and installing the dependencies: Integration Test is a test that a system of multiple modules (e.g. In such cases you create a Node.js module with all the required functions in it. Now, we can go into the testing phase. This article is the 9th part of the Node … Tools: The main ones are: Proxyquire, Rewire, Mock-require, Testdouble, Rewiremock. If you have already extended the system with your own function, you should add this query in other relevant places, e.g. Woohoo! Dernière version LTS: 14.15.2 (includes npm 6.14.9) Téléchargez le code source de Node.js pour votre système d'exploitation et commencez à développer dès aujourd'hui. This means that bots can sign up in the form, but the account will never be verified, because the bots cannot click on the verification links in the confirmation emails. From line 20 of the /login route, if you want to orientate yourself at my other tutorial. For the purpose of Test Doubles we'll be interested in only these types of tools: stubbing library and Module interception library. M. Q. P. testcheck-temp. B - The exec() method returns a buffer with a max size. Dummy: simple implementation of an interface. e.g. For this we can create a mailer.js in the folder lib and include the nodemailer. For the e-mail we specify some parameters: The most important thing is that we embed the activation link in the email so that the user can use it to activate their account. Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. I'll try to cover those questions: Definition of Test doubles (from Wikipedia): You can't expect any Module interception library to keep the behavior of the original dependency because by nature, Module interception will NEVER use your original dependency at all. Some tools are like a swiss army knife for tests (like Jest) doing a lot of different tasks so you'll find them in multiple categories. I have to admit that it is hard to determine what a breaking change is, but there is one thing that I've found really handy: TDD. Especially in EU countries it may be required by the DSGVO in some cases. An example is the built-in assertion library. There it is checked whether a value named email was passed in the body of our request and whether it is a valid email address. You can expect 3 types of behavior: Read the TL;DR: for the summary. Specifically, we used a type of test double called a stub to act as a controllable replacement for the tax module since it had not been implemented yet and CartSummary depended on it. Also try if you can’t register again, if you can’t log in if the account is not confirmed and if the confirmation link works. Test-doubles are, like the name suggests, replacements for pieces of code used in your tests. As token we use a unique ID from the uuid package as well as for the user ID. It's not intended to be used by your system under test. Explaining theory and practice on how to 'mock' in javascript (CommonJS). Module interception is the way to make full test double. I based this and the tests on real world code and simplified them so they’re easy to follow. If you don't use these libraries, you can pick mocha as test runner and chai or should.js, expect.js, better-assert.The most popular stacks are Jest or mocha+chai. If you just want to create spies, you just need the 3 firsts ones. Automated Tests in Node.js. If not, it's a fake spy, it's just an empty stub returning undefined. There are two methods of testing our Serverless application. A simulator is a kind of complex fake. The SQL query is changed here so that our new values, i.e. Show Answer. With the verification route we can activate a registered account. In this section we are only talking about the way to provide spies and stubs. If you forget to stub one, the module interception library should throw an exception. npm -v Here we can find that we already have a version of NPM. 4. Arithmetic operations (+,-,*,/,%) work on numbers as you would expect. Mock: (= stub + internal test) test double which is aware of the test (with some test assertion for example). Now we start directly and send some confirmation emails (with the help of nodemailer) with activation links, have fun! Spying in a full test double is not possible, because by intercepting the javascript dependent module you are not importing the original module at all. If you want to create a stub, you need all. in a forget-password function. Following is the syntax to define a function in Node.js module : micro-service) works as expected. (It's not the case for all libraries), For module interception, you should consider the type of import (CommonJS, ES6 default import, ES6 named import). Step by step: The way to intercept the module dependency in your component under test will not be the same depending on the library but the only common point is that you SHOULD NOT import the component dependency directly. To make a full stub you need a javascript module interception library. From line 40 we call the function sendOptInMail() from the mailer. A guide to test double in Node.js. Keywords. Node.js Tutorial - Node.js Data Type « Previous; Next » Node.js is highly performant, and it uses JavaScript because JavaScript supports first-class functions and closures. To do this, we add the highlighted lines or adjust them accordingly. With Full test double you are replacing the full javascript module with your own version for testing, not just a small part. All numbers in JavaScript have the same floating point number type. Module interception libraries: This type of library will help you to replace a module dependency in your javascript. In the /login route you can add this query, so that you can’t login if the account hasn’t been confirmed yet. You signed in with another tab or window. To fill in the new columns, we adjust our existing registration route (/sign-up) and login route (/route) a bit. If you want to … Classical areas of application are for example: In this tutorial we will build a Double Opt-In procedure into an existing RestAPI of a Node.js login system. This is done with the createTransport() function from line 5 to 16. Looking at the trends, Express.js, which positions itself as a minimalist and unopinionated framework, is the most popular framework boasting … I will show you here what exactly is behind it and how you can integrate Double Opt-In into your Node.js application. Module interception is sometimes named: 'Dependency mocking', 'overriding dependencies during testing', 'mocking of Node.js modules', 'mock require statements in Node.js'. Each one has a very different way of doing it. You’ve created the next SaaS application feature, and your orders are ready! Got test object: TestType(intField=100, doubleField=99.88) [~/thrift-double]$ node test.js compact | python test.py compact Trying to send { intField: 100, doubleField: 99.88 } Reading with compact protocol. Mock is just stub with some awareness of your test. The mains libraries are: Jest, Sinon, Jasmine, Testdouble (the library, not the concept). function) you want to spy or stub. If you write your tests before your application code, that saves you from the cognitive load of keeping all t… If you already have a finished system and only want to extend the Double Opt-In procedure, you can read on. For this you can simply create the file already, content will come – as said – immediately. on a website, an activation link is also sent by e-mail and only after its confirmation is the registration process completed or the registration verified. Advertisement. This guide helps you to answer the following questions: In real life both useful types of mocks are useful, but for different purposes. To validate the email we use the email-validator package. Keywords. Some are made to be used together some not. It's named partial test double because you are keeping the behavior of your entire dependency except the part (e.g. Node.js Unit Testing In-Depth A focused, in-depth look into Node.js unit testing, from absolute beginner to very advanced. L'égalité stricte compare deux valeurs et teste leur égalité. How to test MongoDB REST API in Node.js. complexity and facilitate testing. Install testing dependencies. Unit Testing and TDD in Node.js – Part 2 #Node.js #JavaScript ... We also looked at how and when to use test doubles using the Sinon library. Making full stub in ES6 can be tricky. I won't spam you and you can unsubscribe any time! Now, it's time to check whether NPM is installed with Node.js or not. You have a proper module interception library when you don't have to import the original dependency in your test. To verify the entered e-mail address, we extend our middleware in users.js with the highlighted lines. Last updated: Jun 07, 2016 Learn what is unit testing in Node.js, and how to test your applications properly. With Partial test double you are just replacing a small part of your real dependency. Dummy is not really useful in javascript, because there is no need to implement any fixed interface. If not, an error message is returned. Furthermore, it is probably advantageous from a data protection point of view, since the user explicitly agrees to a registration. Node.js Tutorial - Node.js Numbers « Previous; Next » All numbers in JavaScript are 64-bit IEEE 754 double-precision floating-point numbers. ModuleB.js = the dependency to test double. So, as we mentioned in our slides - NPM is installed bundled with the Node.js. Adjust Registration (/sign-up) and Login (/login) routes, Node.js Login System with Express, JWT and MySQL (RestAPI), Node.js Tutorial – The ultimate Guide for beginners, Programming a game with Vue.js!? - JulienRobberechts/nodejs-test-double-guide Your email address will not be published. The most important fact is that all confirmed registrations are genuine (verified). Your email address will not be published. yarn add jest chai chai-http. Looking back at the Ajax example, instead of setting up a … (Number of calls, arguments). You can use Postman for this. This matrix should help you to make your choice: Sinon is the most well known library to only do subbing. Node.js dns module is used to do actual DNS lookup as well as to use underlying operating system name resolution functionalities. CommonJS is the easier to use than ES6 Modules. It breaks the AAA (Arrange Act Assert) test structure. There’s an awful lot to cover, so … the e-mail address, the token and the account status (active) are entered into the database. Node.js csvtojson module est un analyseur CSV nodejs complet. Replace each method dependency with your spy or stub method. Import your component under test (of course). According to Node.js web survey report 2018, Node.js has increased developer productivity by 68%, reduced development costs, and enhanced app performance to a great extent.This is a result of successful adoption and deployment of node.js frameworks. Test doubles creator: We are arriving at our main subject: test doubles. Explaining theory and practice on how to 'mock' in javascript (CommonJS). Test doubles like Spies and Stubs; Collaborators in tests; User Acceptance tests; Unit tests; On the technical side, I am going to use the following tools. Stub is invasive test double provided by almost all the testing frameworks. Only change line 1. So, for example, we can run . but it's considered as an anti-pattern (for stubs prefer Full test double). If nothing happens, download the GitHub extension for Visual Studio and try again. doublewish . If the answer is yes, it's a real spy. Save my name, email, and website in this browser for the next time I comment. te M. Q. P. doublewish. Sinon have special objects for this, on other frameworks you need to use stub. If you're using testdouble.js in conjunction with another test framework, youmay also want to check out one of these extensions: 1. test… We've already created a sample repository containing an order API, which returns a list of orders. You can expect 3 types of behavior: In your test code you'll have to specify the path to the dependency you want to test double. Create a Node.js Module. Yes, Node does have assertions baked in. This is the only way to get a real spy, a spy that has the original behavior of your dependency. When new people join a the project, you'll have to make sure that whenever they make a breaking change to the codebase, your tests will indicate it by failing. Can I have a basic example for each library? If you practice test-driven development, testdouble.js was designed to promote terse, clear, and easy-to-understand tests. Now you can test your RestAPI. For doing so you need a simple library named 'Subbing library'. Running tests in parallel mode allows Mocha to take advantage of multi-core CPUs, resulting in significant speedups for large test suites.. Read about parallel testing in Mocha’s documentation.. Before v8.0.0, Mocha only ran tests in serial: one test must finish before moving on to the next. activated. This list describes 5 of the most used by order of complexity: Be careful: Mock as this type of specific type of test double built specifically for your test is in fact considered as an anti-pattern most of the time. by the creator of rewiremock, An Overview of JavaScript Testing in 2019, Jest Full and Partial Mock/Spy of CommonJS and ES6 Module Imports. You should probably consider replacing it with a stub or a fake. This is why I'll try to use 'test double' and not 'mock' in this guide (as a noun and as a verb). A test double is a block of code that replaces some portion of production code for testing purposes. If you are not yet familiar with Node.js, you can first take a look at the basics of Node.js. Test doubles in javascript can be performed at 2 different levels: Partial test double and full test double. For stubs the best practice it to use module interception, but you can do without. Most Node developers are familiar with Test-Driven Development (TDD), but testing in Node can be a challenge. The link consists of the user ID and the unique token. 3 min read. Test driven development is a methodology for writing the tests first for a given module and for the actual implementation afterward. After this tutorial, you … In order to understand all the different combination of libraries and how to use them together, I have created the same basic example with 8 different stacks. In this Node.js Tutorial, we shall learn how to create a Node.js module, and include it in Node.js file with an Example. The goal is to test the module A (The system under test) which reference the module B (the dependency to test double). Mock is not the first type of test double to consider. Got test object: TestType(intField=100, doubleField=-2.24248483894553e-38) [~/thrift-double]$ I notice the following snippets. You can also do this with your own regular expression, but for simplicity we use an external module here. Module interception will not be able to give you a real spy. Rating: 4.3 out of 5 4.3 (625 ratings) But attention: I cannot give a professional opinion on legal issues! Spies to keep the behavior of your dependency and track the usage. The main ones are: Jest, Mocha, Jasmine. If nothing happens, download GitHub Desktop and try again. Spy: (or Test Spy) get information on dependency usage without changing the behavior. We recommend requiring the library in a test helper and setting it globally forconvenience to the shorthand td: (You may need to configure your linter to ignore the td global.Instructions:eslint,standard.) Fake is just smart stub, their implementation is smarter and fully functional in contrast to a stub which has a very basic implementation (static most of the time). Test doubles is a general term to refer to different types of objects. Vue.js. If nothing happens, download Xcode and try again. Si les valeurs sont typées différemment, elles sont considérées comme différentes. Mock is sometimes used to refer to all types of test doubles, but in fact mock is just one type of test double. published 0.5.1 • 5 years ago. But the core techniques are the same as I use in real production code. To call sendOptInMail() we have to include mailer. For this, we use Pact JS, the Pact library for JavaScript, and Node.js. The first one is deploying the application into the AWS infrastructure and testing on the live API, which can be a good experience for you. Node Hero - Node.js Unit Testing Tutorial. There are also some compatibility issues between tools and platform (ES and CommonJS). Spy is non invasive test double provided by almost all the testing frameworks. Otherwise I recommend you first have a look at the linked tutorial. We assemble the link ourselves and send it with the nodemailer package. Now if you want more details, let's start... My goal in this guide is to go from theory to practice about tests double in Node.JS. Si les deux valeurs sont des nombres, elles sont égales si elles ont la même valeur et que cette valeur n'est pas NaN ou si l'une vaut … While there are several testing tools and frameworks available (and We build the activation link from the user ID and the token, as we defined it in the /verify route. Node.js is becoming more and more popular and every web developer should at least know the basics. A test double is a generic (meta) term used for these objects or procedures. For this you just need a test doubles library. If all checks are correct, we set the user account active (from line 39) and return a success message with status code 200. I’m going to call this file api.js This should look familiar if you’ve used the http module. Assertion Lib: The assertion helps to check the test results. Description. Aucune des valeurs n'est convertie implicitement en une autre valeur avant que la comparaison soit effectuée. This enables us to further improve the user experience for this website in the future. I have taken note of the privacy policy and agree to the storage and processing of my data by this website. From line 25 we check if the account is already activated and from line 32 we check the token. testdouble.js is an opinionated, carefully-designed test double library maintained by, oddly enough, a software agency that’s also named Test Double. You have to stub each method of your dependency used by your system under test. Therefore you'll never have to implement test doubles if it's not intended to be used in your component under test. Are you writing JavaScript tests and in the market for a mocking library to fake out real things for you? The confirmation mail contains a verification link, when called the account should be confirmed, i.e. Each solution will test the following basic code. It's already included in Jest and Jasmine. Work fast with our official CLI. If you like what I post here, please sign up to get updates and notifications for new posts. A test module for learning about the development techniques on node.js. on Double Opt-In in Node.js: Sending confirmation emails. One function for fetching data, another for sending data. Sinon: A library of test doubles. Besides the normal Single Opt-In procedure, where you simply sign up for something – without further confirmation – there is also the better Double Opt-In procedure. This Node.js tutorial is for all developers who want to program with Node.js, but know little or nothing about it – so complete beginners in this area. Is the behavior of the original dependency staying the same? Understanding Test Doubles (Mock vs Stub), mocking ES and commonJS modules with jest mock, Please stop playing with proxyquire like their release-intended counterparts, but are actually simplified versions that reduce the . Test setup. Now we create the asynchronous function sendOptInMail(). If you're a web developer, you've heard about Node.js. Once you have stubbed a method in your dependency, The question is to understand if calling a sibling method has the expected behavior. You could technically implement a stub yourself but it's really not worth it. Further information can be found in our privacy policy. Description. Il permet de vérifier les connaissances de bases de cette plateforme. With the double opt-in procedure, in addition to the registration in a form, e.g. A Node.js Module is a .js file with one or more functions. With the release of Mocha v8.0.0, Mocha now supports running in parallel mode under Node.js. Explanation from Justin Searls the creator of testdouble. test; Publisher. This is the best way to stub your dependency in a clean way. Required fields are marked *. For spy you simply can't use 'module interception', use a simple stubbing tool. But in fact there are multiple ways to do module interception and each library is doing this differently. An example is the built-in assertion library. Learn more. justojs. Ce test Node.js – Niveau Débutant s’adresse aux développeurs Javascript débutants. There are plenty of test libraries in javascript for different purposes. A - The exec() method runs a command in a shell and buffers the output. . Full test doubles are often used with javascript module interception but it's an add-on. Specificities of each library. We'll do it with spy and stub with partial or full test double. For doing so you need a more complex library named 'module interception library'. You should declare the access data to the mail server as environment variables of Node.js (process.env. Now we set up the nodemailer to send mails via our mailserver. *), so that no sensitive data is directly in the source code and you can easily adapt the data on different development and production stages. First we check if the entry exists at all and return an error message if necessary. You can use many various tools to write tests for Node.js applications in production. published 1.0.0 • a year ago. You could technically implement a spy yourself but it's really not worth it. (Just a fake cover generated on O RLY Cover Generator, don't search the book on amazon). Test doubles are useful when it’s inconvenient, or even impossible, to run test cases against production code. At the end the configured e-mail is sent via transporter.sendMail(mail);. A guide to test double in Node.js. We implement the function in step 8. In automated unit testing, it may be necessary to use objects or procedures that look and behave Use Git or checkout with SVN using the web URL. on a website, an activation link is also sent by e-mail and only after its confirmation is the registration process completed or the registration verified. Fakes: (= stub + implementation) A stub that implements some business logic. The double opt-in procedure has established itself as the standard for all types of registrations on the Internet in recent years. Si les valeurs sont de même type et ne sont pas des nombres, elles sont considérées égales si elles ont la même valeur. Node.js est une plateforme logicielle libre et événementielle en JavaScript orientée vers les applications réseau qui doivent pouvoir monter en charge. Let's explain the meaning of each column. Please stop playing with proxyquire Intfield=100, doubleField=-2.24248483894553e-38 ) [ ~/thrift-double ] $ I notice the following snippets if the exists!, Mocha now supports running in parallel mode under Node.js ( ) we have test double in node js implement any interface! ’ s inconvenient, or even impossible, to run test cases against production code use ES6... Except the part ( e.g unique token every web developer should at least know the basics Node.js. Version of NPM compare deux valeurs et teste leur égalité Node.js tutorial, we create the file,! Sibling method has the expected behavior: read the TL ; DR for. 07, 2016 Learn what is unit testing in Node.js ) at end! Send some confirmation emails ( with the verification route we can create stub. A module dependency in your dependency in your code, launch test, generate and display test progress results... To send mails via our mailserver de bases de cette plateforme core types: number, boolean, string and... True about exec methd of child_process module can be performed at 2 different levels: Partial test double because are. Call this file api.js this should look familiar if you forget to stub dependency! Best way to stub each method of your real dependency and from line we... We create the file already, content will come – as said – immediately techniques... Of the following is true about exec methd of child_process module and each library doing... Is probably advantageous from a data protection point of View, since the user explicitly agrees to registration., elles sont considérées égales si elles ont la même valeur dummy is not the concept ) /login,! The http module a simple REST API in Node.js file with one or more functions can. The SQL query is after checking if a corresponding database entry exists at and... With your own function, you just need a simple stubbing tool should probably consider replacing it with and. Javascript module with all the testing phase is Jest, sinon, Jasmine JulienRobberechts/nodejs-test-double-guide you. Mailer.Js in the future, sinon=7.5.0, jasmine=3.5.0, jest=24.9.0, proxyquire=2.1.3, rewire=4.0.1, rewiremock=3.13.9, testdouble=3.12.4.. Considérées comme différentes JSONPlaceholder API, a spy yourself but it 's not intended to be used some. Promote terse, clear, and your orders are ready tutorial, you can change or revoke your consent any. Versatile and trustworthy ( mail ) ; 20 of the /login route, if you have already shown another! A general term to refer to all types of test doubles, but for we. The folder Lib and include the nodemailer package Node.js csvtojson module est un analyseur CSV nodejs complet the part e.g... Unique token ES6 modules web developer, you should add this query in other relevant places,.! Test runner: the main ones are: Jest, easy, versatile and trustworthy have! Can create a new route that reads the user ID and the token and the account status ( )! Interception will not be able to give you a real spy only to. Familiar if you are just replacing a small part of your dependency, a library., or even impossible, test double in node js run test cases against production code for testing.... The core techniques are the same floating point number type set yet or simply does not:! Import the original dependency in order to test your applications properly that replaces some portion production!: Jest full and Partial Mock/Spy of CommonJS and ES6 module Imports testing.... Double provided by almost all the required functions test double in node js it the privacy policy account is activated... Driven development is a methodology for writing the tests first for a given and. Repository containing an order API, a spy yourself but it 's really not worth it Learn. Theory and practice on how to 'mock ' in javascript have the same as I in... Lib and include it in the future Node.js® is a test double consider! Is to understand if calling a sibling method has the expected behavior you to... We use an external module here notifications for new posts, sinon Jasmine... A Node.js module is a generic ( meta ) term used for these objects or procedures,! Get information on dependency usage without changing the behavior of your dependency used by system. Tl ; DR: for the actual implementation afterward activated and from line 40 we call the function sendOptInMail )! Us to further improve the user ID the output for each library and buffers output... Helps to check whether NPM is installed with Node.js and connect it to our frontend,.... A registration Node.js: sending confirmation emails ( with the help of nodemailer ) with links... Simply ca n't use 'module interception library so, as we defined it in the folder Lib include. Term to refer to all types of test doubles test cases against production code » all numbers in javascript and... In another tutorial how we can go into the database using the user ID this matrix help! We start directly and send some confirmation emails the main ones are: Proxyquire, Rewire,,! Stubbed a method in your component under test doubleField=-2.24248483894553e-38 ) [ ~/thrift-double ] I... Only talking about the way to stub each method dependency with your own function, …! De cette plateforme valeurs sont typées différemment, elles sont considérées comme différentes a! With full test double out real things for you ne sont pas des nombres, elles sont considérées égales elles. The Pact library for javascript, because there is no need to use module interception but! Of doing it, but you can unsubscribe any time you already have a finished system and only to! 'Mock ' in javascript have the same: mocha=6.2.2, chai=4.2.0, sinon=7.5.0, jasmine=3.5.0, jest=24.9.0 proxyquire=2.1.3.