Stream request: TDD driven stream

[KevinBatdorf]

It would be nice to learn some tricks on testing during block development.

If possible, something that interacts with or mocks the database.

Thanks!

[KevinBatdorf]

I had some time last night and worked something out using Cypress on a block starter I'm maintaining.

Basically it will set up wp-env to run in a GitHub action, then run integration tests on your block as you define them. I've ported a handful of the wp-e2e puppeteer tests as well, so you can do something like cy.loginUser() and expect it to log the user in.

I also set it up to run on both the latest WP install, plugin the master branch dev version. That way you can be sure the block won't break. Optionally the workflow can be set to run daily too without interaction.

Some files that may help anyone:

GH Action workflow: https://github.com/KevinBatdorf/gutenberg-rust-starter/blob/main/.github/workflows/cypress.yml
WP e2e ported commands: https://github.com/KevinBatdorf/gutenberg-rust-starter/tree/main/cypress/support
What a Cypress test looks like; https://github.com/KevinBatdorf/gutenberg-rust-starter/blob/main/cypress/integration/sanity-checks.spec.js

Might be a cool stream? Was fun to set up and write the tests. I remember reading that Gutenberg might use playwright though, so maybe better to use that.