ViennaJS April 2019

Bring your Minitalks! Everybody is welcome & feel free to share this invitation!


Wednesday, 24th April 2019 at 7pm


Pater-Schwartz-Gasse 11A
1150 Vienna
Via Public Transportation: U6 Gumpendorfer Strasse


We are currently looking for sponsors to cover free beer and maybe free pizza.
Contact us at


Writing better test assertions

By Thomas Mayrhofer

TDD is part of my day to day workflow. Quite often my tests cause some maintenance overhead as additional requirements make previous tests break, even though functionality was only added and existing behaviour didn't change. Doing some research made me realise that the way the test assertions were written caused this overhead. In this talk I'll present a way test assertions can be written without the need to fix them on requirement changes.

How to mock requests for unit testing in Node

By Edo Rivai

In the talk I'll take a practical look at mocking out HTTP requests when unit testing in Node. I've actually written it up in a blogpost already: . I'll touch on the popular HTTP mocking library "nock", and the testing library Jest.