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We do not test because of a language used but because there are assumptions expressed in code. “Clicking a button validates the email address” is a test you need to have regardless of if it’s implemented as `hx-get` or `onSubmit`. I would argue having good test coverage for the former is more important because the action happens further (another controller+template instead of the same React component).

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Yeah I wasn’t expressing myself clearly, let me try again.

HTMX writes quite a bit of the logic for us. We don’t need to test that logic because we can assume that it’s been tested. We only need to test the remaining logic, of which there is less and it’s less messy because it’s more declarative (if I understand HTMX).

If we use an input of type “email” we also don’t test if its validation works.

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