FAQ: Unit Testing with Jest - Mocking with Jest (Part 2)

This community-built FAQ covers the “Mocking with Jest (Part 2)” exercise from the lesson “Unit Testing with Jest”.

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This exercise can be found in the following Codecademy content:

(Beta) Learn React Testing

FAQs on the exercise Mocking with Jest (Part 2)

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I’m not understanding what I’m doing in this section.

import httpRequest from "./utils/http-request.js"
jest.mock("./utils/http-request.js")

what is jest.mock doing right here and how it ties into the __mock__/http-request.js

Also in the second it call when we’re passing the resolvedValue variable to the mock function

httpRequest.mockResolvedValueOnce(resolvedValue);

Where does this function come from? is it a result of calling the initial jest.mock at the top?
How does this correlate to the __mock__/http-request.js file?