nock | HTTP server mocking and expectations library for Nodejs | Mock library

 by   nock JavaScript Version: 13.4.0 License: MIT

kandi X-RAY | nock Summary

kandi X-RAY | nock Summary

nock is a JavaScript library typically used in Testing, Mock, Nodejs applications. nock has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can install using 'npm i nock' or download it from GitHub, npm.

HTTP server mocking and expectations library for Node.js. Nock can be used to test modules that perform HTTP requests in isolation. For instance, if a module performs HTTP requests to a CouchDB server or makes HTTP requests to the Amazon API, you can test that module in isolation.

            kandi-support Support

              nock has a medium active ecosystem.
              It has 12174 star(s) with 788 fork(s). There are 94 watchers for this library.
              There were 8 major release(s) in the last 6 months.
              There are 56 open issues and 994 have been closed. On average issues are closed in 53 days. There are 21 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of nock is 13.4.0

            kandi-Quality Quality

              nock has 0 bugs and 0 code smells.

            kandi-Security Security

              nock has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              nock code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              nock is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              nock releases are available to install and integrate.
              Deployable package is available in npm.
              Installation instructions, examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed nock and discovered the below as its top functions. This is intended to give you an instant insight into nock implemented functionality, and help decide if they suit your requirements.
            • Animate request interceptor calls .
            • Record recording options .
            • Start an interceptor .
            • Overrides the NockProxy request with the given arguments .
            • Activate Nock API request .
            • Generate the request bodies .
            • Set mocker definition .
            • Initialize a new client request .
            • Filter interceptors in order
            • overrides multiple requests with the same name
            Get all kandi verified functions for this library.

            nock Key Features

            No Key Features are available at this moment for nock.

            nock Examples and Code Snippets

            How to send multiple response using nock if there is no request body
            JavaScriptdot img1Lines of Code : 55dot img1License : Strong Copyleft (CC BY-SA 4.0)
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            afterEach(() => nock.cleanAll())
            it('should call the endpoint', async () => {
              const streamApiNock = nock('http://dummy-streaming-api')
                .reply(200, dummyResponse)
              const response = await myCallTo
            How do I use Nock to disable all external API requests during testing?
            JavaScriptdot img2Lines of Code : 7dot img2License : Strong Copyleft (CC BY-SA 4.0)
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            "jest": {
              "setupFiles": ["./jest.setup.js"]
            import * as nock from 'nock';
            Jest and HTTP mocking with nock
            JavaScriptdot img3Lines of Code : 70dot img3License : Strong Copyleft (CC BY-SA 4.0)
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                it('should return weather', () => {
                   .reply(200, { results: [{ temp_c: '18 degrees' }] })
            is there a way to nock an array of endpoints?
            JavaScriptdot img4Lines of Code : 39dot img4License : Strong Copyleft (CC BY-SA 4.0)
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            const { expect } = require('chai');
            const nock = require('nock');
            class MockedClientApi {
                constructor() {
                    this.mockedApi = nock('')
                getCountryInfo(country) {
                    const endpoint = `/api/info/cou
            Nock headers - Error: Nock: No match for request
            JavaScriptdot img5Lines of Code : 41dot img5License : Strong Copyleft (CC BY-SA 4.0)
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            reqheaders: {
                'authorization' : 'Basic Auth test2'
            'authorization' : 'Basic Auth ' +
            const nock = require('nock');
            const { postAPI } = require('./index');
            Expectations Error while unit testing Got Client
            JavaScriptdot img6Lines of Code : 90dot img6License : Strong Copyleft (CC BY-SA 4.0)
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            const nock = require('nock');
            const { name: packageName, version: packageVersion } = require('../../../package.json');
            const gotClient = require('../../../src/lib/got-client');
            const BASE_URL = '';
            const BASE_
            Jest/Enzyme - How to use nock library with a connected redux store component?
            JavaScriptdot img7Lines of Code : 68dot img7License : Strong Copyleft (CC BY-SA 4.0)
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            act(async () => {
                wrapper = mount(
            copy iconCopy
            import Axios from 'axios';
            import nock from 'nock';
            import fs from 'fs';
            describe('Response binary content', () => {
              beforeAll(() => {
                  .reply(200, fs.readFileSync(`${__d
            Disable a single nock scope immediately to re-setup a mocked URL
            JavaScriptdot img9Lines of Code : 38dot img9License : Strong Copyleft (CC BY-SA 4.0)
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             * @jest-environment node
            const nock = require('nock');
            describe('Test suite', () => {
              test('Test case', async () => {
                let interceptor1 = nock('', {
                    reqHeaders: {
            Mocking an API call method inside componentDidMount
            JavaScriptdot img10Lines of Code : 18dot img10License : Strong Copyleft (CC BY-SA 4.0)
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            import nock from 'nock'; 
            it('renders without crashing', () => { 
               const scope = nock('') 
               .reply(200, { products: [{ id: 1, name: 'nocked data' }] }, 

            Community Discussions


            How to send multiple response using nock if there is no request body
            Asked 2022-Mar-09 at 07:17

            I am calling a streaming api http://dummy-streaming-api/customer-details which accepts post requests and sends some data. It does not require any request body. I want to mock the response using nock in a Node.js application for unit tests. I already have a test case for happy journey in which nock intercepts the request and sends 200 along with some data.



            Answered 2022-Mar-09 at 06:54

            I'd suggest removing .persist() and setting up nock in each test with the response you want.


            The .persist() call makes that particular nock exist for multiple calls in a row. There are a lot of features (eg. sending different replies, or scope.isDone()) that you miss out on by persisting a nock, and persisting opens up to some hard-to-find bugs.

            I'd suggest removing .persist() and instead creating a new nock in each test, and running nock.cleanAll() in your afterEach. This gets you better readability on the current state of nock and what each test is really testing.




            React slick compatibility with Nextjs
            Asked 2022-Jan-29 at 13:37

            I am planning to add React-slick library into my nextjs project for image slider, but getting an issue

            Tries installing "react-slick" and "slick-carousel" as mentioned in the docs by



            Answered 2021-Sep-22 at 23:05

            Just removed the tilde prefix



            How do I use Nock to disable all external API requests during testing?
            Asked 2021-Oct-26 at 17:16

            I'm testing a codebase that makes external requests to multiple APIs. How do I ensure that a request is never made to one of these APIs during testing? I already plan to use Nock for mocking responses, but I'm worried I'll forget to mock a response and a request will go to the live API.



            Answered 2021-Oct-26 at 17:16

            Nock includes a feature specifically for this purpose. To use it with Jest, first ensure that you've configured Jest to use a setup file. You can do this by adding the following to package.json:



            How to run jest by lerna in github actions
            Asked 2021-Sep-26 at 12:06

            I am trying to run jest for a monorepo project maintained by lerna in the github actions.



            Answered 2021-Sep-16 at 05:20

            I have zero knowledge about this, but for a temporary answer, what worked for me (when I had the same error with jest) was adding,

            - run: lerna bootstrap --no-ci

            before running my npm test command in my workflow config. Thus I ended up with a workflow like this:



            Nx serverless webpack: Module not found: Error: Can't resolve 'xxx'
            Asked 2021-Sep-21 at 19:45

            I am using this template to create nx monorepo with serverless freamework, I did not modify any configurations so you can look into it as a reference. it works fine but when I try to import anything from node_modules I get an error during building with webpack

            this is a sample of the error



            Answered 2021-Sep-21 at 19:45

            Your problem is not related to nx.

            The issue here underlies in using bcrypt.

            Alternatively, you can use bcryptjs instead of bcrypt



            Jest and HTTP mocking with nock
            Asked 2021-Sep-14 at 09:52

            I was trying to write my first ever Jest test for an endpoint in my Next.js App and this test always passes, no matter, how I try to 'break' it. Which makes me think, I did all wrong. Here is my api/weather.js endpoint:



            Answered 2021-Sep-09 at 13:54

            The second parameter you're passing to nock's .reply is going create an interceptor which will alter requests for the time it persists to the host you're setting it up for. That means that by doing this:



            Is there a possible way to use multidimensional arrays to replace words in a string using str_replace() and the array() function?
            Asked 2021-Sep-11 at 18:13

            Note: I have seen this question here, but my array is completely different.

            Hello everyone. I have been trying to make a censoring program for my website. What I ended up with was:



            Answered 2021-Sep-11 at 18:13

            You need to change the structure of your wordsList array.

            There are two structures that will make it easy:

            As key/value pairs

            This would be my recommendation since it's super clear what the strings and their replacements are.



            Nock: nock.load does not work as expected
            Asked 2021-Jun-10 at 16:09

            I am trying to load a JSON file that contains a mock response with the Nock function: nock.load(filePath). Oddly, the test fails with error:

            TypeError: nockDefs.forEach is not a function

            If I replace the nock.load call with raw JSON, the test runs fine. This is my test code:



            Answered 2021-Jun-10 at 16:09

            nock.load is for importing recorded Nock responses, not loading arbitrary JSON.

            What you want is .replyWithFile():



            is there a way to nock an array of endpoints?
            Asked 2021-Jun-09 at 06:08

            I want to abstract the client API responses from the tests and I'm trying to come up with a helper for that, for example:



            Answered 2021-Jun-09 at 06:08

            It looks like you are initializing nock multiple times, ending up with multiple/different instances or mutating the original one.

            In each class function where you add a mocked request, you should call the instance of nock's "method" function (get, post, etc.) to add each endpoint you want to mock. Then you could add a function to get the full instance of nock or just create helper functions for each assertion you need, like getPendingMocks().



            change the response for single request among multiple request in nock
            Asked 2021-May-17 at 16:17

            I have using express and trying to create an API for testing I used nock so i make a get request whose response I don't want to change after that i want to do put request and want to change the response of that part but when i tried to do that i getting error for the first get request that i don't want to change. I am getting the error Error: Nock: No match for request



            Answered 2021-May-17 at 16:17

            You need to use the allowUnmocked flag when mocking the second request.


            Community Discussions, Code Snippets contain sources that include Stack Exchange Network


            No vulnerabilities reported

            Install nock

            You must specify a fixture directory before using, for example:. In your test helper.
            nockBack.fixtures : path to fixture directory
            nockBack.setMode() : the mode to use


            The latest version of nock supports all currently maintained Node versions, see Node Release Schedule. Here is a list of past nock versions with respective node version support.
            Find more information at:

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