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Testing #5458

danroth27 opened this issue Jan 25, 2018 · 2 comments


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commented Jan 25, 2018

  • Unit test helper for instantiating components and trying out events, etc.
  • End-to-end

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commented May 23, 2018

Please also consider snapshot testing, similar to Jest. I've been using it with Vue.js and I've found it to be a great way to test UI without being too fragile and needing constant fixing.

@aspnet-hello aspnet-hello transferred this issue from aspnet/Blazor Dec 17, 2018

@aspnet-hello aspnet-hello added this to the Backlog milestone Dec 17, 2018

@rynowak rynowak added this to To do in Blazor via automation Jan 3, 2019

@rynowak rynowak moved this from To do to Design in Blazor Jan 3, 2019

@guardrex guardrex referenced this issue May 21, 2019
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commented Jul 24, 2019

Probably under consideration, but it appears the end-to-end tests could work with Puppeteer.Sharp (ping @kblok, the Selenium libraries are also an option) using something like Razor Live Reload with the usual ways of starting a web server in tests. Then have examples how to collect performance numbers, test some CSS driven things, web components and Service Workers. Could be interesting to load tests dynamically so one could test mobile browsers too (especially performance).

Cypress and TestCafe could be some examples, albeit I'm not sure how much overlap there are with assertion libraries, like XUnit.

<Edit: One consideration is also isomorphic situations, one being something that can be run or mimicks environments like Cloudflare Workers, e.g. or .

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