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Make external API dependency great again (API contract testing)

At RubyConfBY, in Minsk, Belarus

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Nowadays, unit tests are an essential part of our development process. However, while we can be proud of 100% test coverage, it does not mean that our code behaves as expected, notably when we deal with external APIs.

I’m working on the eBaymag project, which is mostly built around various API interactions: eBay API, Google Translate API, DHL API, and so on. I solve different sophisticated problems based on unexpected API behavior on a daily basis.

So I want to introduce a contract-based testing framework that aims to get rid of unexpected behavior of your app. I’ll share the tools and approaches to minimize the risks of dependence on external system APIs.

Video

In the same orbit

  • Blood Contracts

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  • eBaymag
    An official eBay B2B service to support over 20K sellers in 120 countries to access the world’s richest economies via 9 eBay local marketplaces. Martians cover tech and product aspects of eBaymag since its early MVP in 2016.
    120+
    countries
    51K+
    users
    eBaymag logo

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