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node-mocks-http

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node-mocks-http

Mock 'http' objects for testing Express routing functions

1.4.0
Source
npm
Version published
Weekly downloads
1.2M
9.55%
Maintainers
4
Weekly downloads
 
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What is node-mocks-http?

The node-mocks-http package is a tool for creating mock HTTP objects for testing purposes in Node.js applications. It allows developers to simulate HTTP requests and responses, making it easier to test Express.js middleware and route handlers without needing a real HTTP server.

What are node-mocks-http's main functionalities?

Mocking HTTP Requests

This feature allows you to create a mock HTTP request object. You can specify the method, URL, and parameters to simulate different types of requests.

const httpMocks = require('node-mocks-http');

const request = httpMocks.createRequest({
  method: 'GET',
  url: '/user/42',
  params: {
    id: '42'
  }
});

console.log(request.method); // 'GET'
console.log(request.url); // '/user/42'
console.log(request.params.id); // '42'

Mocking HTTP Responses

This feature allows you to create a mock HTTP response object. You can set the status code and send data, and then inspect the response to verify its properties.

const httpMocks = require('node-mocks-http');

const response = httpMocks.createResponse();

response.status(200).send('OK');

console.log(response._getStatusCode()); // 200
console.log(response._getData()); // 'OK'

Mocking HTTP Headers

This feature allows you to create a mock HTTP request with specific headers. You can then inspect the headers to ensure they are set correctly.

const httpMocks = require('node-mocks-http');

const request = httpMocks.createRequest({
  headers: {
    'content-type': 'application/json'
  }
});

console.log(request.headers['content-type']); // 'application/json'

Mocking HTTP Cookies

This feature allows you to create a mock HTTP request with cookies. You can then inspect the cookies to ensure they are set correctly.

const httpMocks = require('node-mocks-http');

const request = httpMocks.createRequest({
  cookies: {
    token: '12345'
  }
});

console.log(request.cookies.token); // '12345'

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Keywords

mock

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Package last updated on 11 Apr 2015

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