Web Development

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Best practices for testing web components? (programming.dev)

submitted 1 year ago by stratts@programming.dev to c/webdev@programming.dev

6 comments fedilink hide all child comments

I recently rebuilt a moderately sized jQuery application/component using Lit, with the end result being 6-7 components spread over around 2,000 lines of code.

We currently have no automated testing at all but I'd like to implement it, especially now as the markup/styles have been moved into JavaScript. It's much better overall - but it feels riskier.

But I have no idea where to even begin. Do I set up end to end tests using Playwright on site? Can I test the components individually? Keeping in mind as well that we don't use a build system/any sort of CI.

Just wanted to get people's thoughts/experiences here.

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[–] dualphasesaber@beehaw.org 3 points 1 year ago

I haven't used lit for more than testing viability testing where I am, but I've had success setting up jest with some vanilla is web components and doing unit testing that way.