jest-sentry-environment VS jest

We provided an example Jest environment that you can use if you’re interested in instrumenting your own Jest tests. You’ll need to install the jest-sentry-environment package and update your Jest configuration to use the fore-mentioned package, as well as supplying your Sentry DSN. For further instructions, please see the repository.

Now, let's add a test to ensure our hooks are working as we expect them to and to alert us to any breaking changes in the code that might be introduced later. First, add the packages below so we can use jest in our project.

Jest is an all-in-one JavaScript testing framework with a focus on simplicity. It supports projects using Babel, TypeScript, Node.js, React, Angular, Vue, and more. To maximize performance, it runs tests in parallel on isolated processes. Jest comes with an integrated assertion engine based on the expect() function and requires zero configuration for most projects.

✅ Angular 18 ✅ Angular Material ✅ Unit Testing with Jest ✅ End-to-End Testing with Cypress ✅ Internationalization with Transloco ✅ Auto documentation with Compodoc ✅ Provide component examples with Storybook ✅ Analyse your project with source-map-explorer ✅ Docker ✅ ESLint ✅ Prettier ✅ Commit Linting ✅ AuditJS Audit this application using Sonatype OSS Index ✅ Auto-generate a CHANGELOG with auto-changelog

If you've ever done any type of testing with Node.js, you most likely have come up with libraries like Jest, Mocha or Vitest. This is because Node.js for a long time has never provided a native way to do testing. If you wanted some type of testing, you'd have to draw on testing libraries.

test: Run tests - if you're using Jest, it's just "test": "jest" or vitest for Vitest.

5. Automated Tests: Unit tests are automated tests that verify the behavior of a small unit of code in isolation. I like to write unit tests for every bug reported by a user. This way, I can reproduce the bug in a controlled environment and verify that the fix works as expected and that we wont see a regression. There are many different JavaScript test frameworks like Jest, cypress, mocha, and jasmine. We use Rspec and Minitest for unit and integration tests in our rails application.

Jest

Jest is a delightful JavaScript testing framework with a focus on simplicity.

Acknowledging the benefits of unit testing, I jumped right in to the one and only Jest. Honestly it overwhelms me a little bit too much when I read the docs and there are a lot of things going on in there. But I didn't lose spirit by just reading a docs, otherwise I wouldn't call myself a learner 😅

Jest is a powerful and widely adopted testing framework used by many prominent organizations. Here's a closer look at its features: