js-stack-from-scratch VS ava

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JS Stack from Scratch

🐾https://github.com/trekhleb/javascript-algorithms Algorithms and data structures implemented in JavaScript with explanations and links to further readings 143k stars 🐾https://github.com/ryanmcdermott/clean-code-javascript Clean Code concepts adapted for JavaScript 68.4 stars 🐾https://github.com/leonardomso/33-js-concepts 33 JavaScript concepts every developer should know. 49.3k stars 🐾https://github.com/getify/You-Dont-Know-JS A book series on JavaScript 154k stars 🐾https://github.com/lydiahallie/javascript-questions A long list of (advanced) JavaScript questions, and their explanations 44.3k stars 🐾https://github.com/wesbos/JavaScript30 A long list of (advanced) JavaScript questions, and their explanations 19.8k stars 🐾https://github.com/verekia/js-stack-from-scratch Step-by-step tutorial to build a modern JavaScript stack. 19.1k stars 🐾https://github.com/sorrycc/awesome-javascript A collection of awesome browser-side JavaScript libraries, resources and shiny things 27.9k stars 🐾https://github.com/Asabeneh/30-Days-Of-JavaScript 30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days 22.3k stars 🐾https://github.com/denysdovhan/wtfjs A list of funny and tricky JavaScript examples 26.6k stars

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!

> In the popular jest test runner, each test file is executed in its own child process.

Is that confirmed?

I've been following this issue:

https://github.com/jestjs/jest/issues/6957

And what Jest actually does is still kind of muddy.

In contrast to that, other test runners like AVA have a clear description what happens when:

https://github.com/avajs/ava/blob/main/docs/01-writing-tests...

I've been looking at using japa or ava for web server testing but was curious what others were using and why.

Continued work on the test suite. Implementing AVA, with snapshotting. Making a lot of effort to have the snapshot directory structure match the test262 test directory structure by generating AVA test files.

You might want to give ava a spin:

https://github.com/avajs/ava/

It has a TAP reporter, but more importantly, as opposed to the more popular solutions, like Jest, the way it achieves parallelism is explained in the docs and won't change anytime soon, thus preventing wonky, hard to debug errors which occur when this part is abstracted away.

I switched to ava for that reason and have been very happy with it. But vitest looks nice, too. Thanks for the pointer.

Runs unit tests using AVA.

Last but not least important are ava, uvu and tape; they are a really light and fast test runners.

I've had some good experiences with Ava + Sinon. I've personally disliked Jest because it seemed to do some weird trickery in the background that prevented me from using ES modules.

Ava for a simpler environment than Jest, which I usually use. I need to check how to mock ESM with it, though.