Relative URL as hostname in Nock

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Question Description

I need to mock client side HTTP requests. I’m using isomorphic-fetch in the client side and I’m using mocha and nock for testing and mocking. All my client requests are based on relative path. Due to this I’m unable to provide host name for the nock. Is there a work around.

Client side:

fetch('/foo') //hostname: http://localhost:8080
.then(res => res.json())
.then(data => console.log(data))
.catch(e => console.log(e))

Test suite

.reply(200, {data: "hello"})

This is failing as I’m not giving the proper hostname for the nock. Am I doing something wrong?

Practice As Follows

Found a workaround for this. Have a _ajax-setup.js in your test folder

import $ from 'jquery'

$(document).ajaxSend((event, jqxhr, settings) => {
  settings.url = '' + settings.url;

The thing to note is that this file has to run First and Only Once. Having it as a file runs only once and _ before it makes it alphabetically first.

Later you can test your code with

.reply(200, {data: "hello"})

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