telescope VS jest

It all starts with an old 400 error that was occurring in Telescope for a while now, first documented here.

Sattelite for the back end

There are a few places to start with this, one is that we have an issue in Telescope that relates to what I think is the session no longer existing in certain situations that results in a 400. This will give me an opportunity to take a look at Telescopes auth flow. I still am kind of unfamiliar with Telescope despite having been in the last OSD course. I know that we use passport SAML in Telescope however and in the new project we will use a different library called SAMLIFY.

The project is currently in the planning phase, and being part of the development team, I have been researching ways to add relevant bits of Satellite in the Remix Blues Stack project, we intend on using for Starchart.

As a good well-established project, Telescope provides a great environment setup guide, which covers most use cases.

It's been a year since I was supposed to work on Telescope for a class. When the war in Ukraine started in February 24th, 2022, I almost fully stopped contributing. Now, this year I am trying to do more, even though it's not my class anymore. Because I wish that I did more back then.

This week, I decided to setup Telescope locally. I had previously contributed to telescope and had set it up already. However, I faced some problems starting it up locally after a shutdown and startup sequence. This was hard to debug since there was no error message, just containers on docker would not start up even after waiting for several minutes. These problems would fix after a restart or just randomly after a few tries. So, I decided to go through the setup again.

Task This week, I try to revisit my setup for running the Telescope project, a single page website that aggregates blog posts.

This week, I finished implementing the feature for filtering out irrelevant feed URLs. Previously, I had added a function for the filtering but had to write the test for it.

The two PRs(1 2) mentioned last time were merged without a hitch. For the one that's about parsing Twitch channel feed URL, the maintainer and I agreed that there should be a follow-up issue opened to expand it to YouTube Channel(s). They also found another bug in the sign-up that should exist as its own issue about the RSS feed URL(s) having incorrect domain. For details about them, please see my last post.

There are several testing approaches you can take to ascertain the functionality of the auth API. One way would be to automate the testing using unit tests with tools like Jest and Supertest. Alternatively, you can make use of API clients like Postman or the Thunder Client VS Code extension to test the API.

GitHub | Website

Jest

you have selected a testing framework. In my case, it's Jest with Supertest

Jest, created and maintained by Facebook, is a JavaScript testing framework with a focus on simplicity. It is often recognized for its zero-configuration setup and seamless integration, especially with React applications, making it a favored choice for developers in both small-scale projects and large enterprise applications.

Jest (https://jestjs.io/)

console.error Jest encountered an unexpected token Jest failed to parse a file. This happens e.g. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax. Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration. By default "node\_modules" folder is ignored by transformers. Here's what you can do: • If you are trying to use ECMAScript Modules, see https://jestjs.io/docs/ecmascript-modules for how to enable it. • If you are trying to use TypeScript, see https://jestjs.io/docs/getting-started#using-typescript • To have some of your "node\_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config. • If you need a custom transformation specify a "transform" option in your config. • If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option. You'll find more details and examples of these config options in the docs: https://jestjs.io/docs/configuration For information about custom transformations, see: https://jestjs.io/docs/code-transformation

Note: I will be using Jest as testing framework throughout the examples.

We use Jest Framework for testing. Jest is not a dogma, and, of course, in its place can be any other test runner, such as Mocha or Ava. Let's focus on tests. I'll provide a short example because I don’t want to waste your time. You can find the full version here. It's crucial to read the comments in the code below. Let's go!

Jest has long been my favorite got to test runner when it comes to UI unit and integration testing. With tools like React Testing Library (Testing Library framework for React) you get the benefit of very easy to write and maintain tests, as well as a quick and efficient way to run our tests.