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Migrating to Jest test runner
I have already shared my comparison of two JavaScript testing solutions where I admitted that I favor Jest over Mocha. Back then, I listed all major differences between those tools summarized with advantages and disadvantages of migrating to Jest: Pros: Simpler API, less boilerplate code. Flexible and easy configuration. Test files executed in isolation. Advanced watch…
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React Native EU 2017 – my selective recap
I had an opportunity to attended React Native EU 2017 conference last month. This 2 days long event took place in my hometown Wrocław, Poland. It was a very interesting experience for me because I’m a frontend developer. I don’t have any working experience with React Native and the only mobile project I worked on…
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Central Japan with Shinkansen
Visiting Japan is definitely a unique experience. With my wife, we went there directly from the trip to Sri Lanka in July 2016. We have been travelling between numerous cities for 10 days. First we rode between Tokyo and Kobe by the famous bullet train Shinkansen. Then we spent one night in an historical Ryokan with hot…
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Different types of software testing
Software testing helps protect code from incoming bugs and improves general quality of the functionalities exposed to the users. When you look at it from the developer’s standpoint the first thing that comes to mind is unit testing. However it turns out tests come in many flavors. I have already shared in the recap from Advanced…
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Picking Jest over Mocha – testing tools comparison
At Automattic we use Mocha to run all tests written for Calypso project which powers WordPress.com. It also includes end-to-end tests, which live in their own repository. We have been using this setup for over 3 years now. I think it is a good moment to revisit this choice. I found this unit testing tools comparison very…
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Time to get interactive as a performance measure
I have already published one post about Progressive Web Apps (PWA) a few months back. It looks like Google is investing a lot of efforts to make it a new standard of building websites. At the last Google I/O, there were a few announcements made related to making PWA a default feature in a few popular…
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React as a cross-platform UI
I got very excited when watching this talk for React Europe by Leland Richardson:
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Dominican Republic
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Gdynia, Poland