How Bloomberg uses Behavior-Driven Development (BDD) to Test Distributed Systems - Jacqueline Pan

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How Bloomberg uses Behavior-Driven Development Testing in Distributed Systems - Jacqueline Pan - ACCU 2023
Slides: https://accu.org/conf-previous/accu2023/

Learn how Bloomberg leverages Behavior-Driven Development (BDD) and the ‘behave’ framework for end-to-end testing of cross-team distributed systems.

Software clients don’t care (and shouldn’t need to care) about how code works. They only care about two things: 1) Does it work? and 2) Is it reliable?

As engineers, this dual expectation around stability and quality creates the need for an essential part of our software development process – testing. However, in large-scale distributed systems that span multiple teams across an organization, how do we ensure full end-to-end test coverage is captured?

One possible solution could be hiring a Quality Assurance (QA) team to manually test every client workflow. But manual testing is rarely sufficient and extremely time consuming. Generally, the low ratio of testers to developers can delay production deployment for new code, while also opening the door for more errors to be caught by end-users.

Building out reliable automated testing requires a tight partnership between engineers, assurance experts, and customer support, as well as the thorough translation of client workflows into a technical pipeline. For distributed systems that span multiple teams, it is also critical to have an automated triage process and clear ownership for each part of the pipeline.

This talk will illustrate how Bloomberg engineers have leveraged the ‘behave’ framework and behavior-driven development to enhance our testing framework.
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Jacqueline Pan

Jacqueline Pan is an automated testing enthusiast and has worked with multiple teams at Bloomberg to design and simplify their automated testing approach. With five years of industry experience as a software engineer, Jackie now leads the Trade Automation team for Bloomberg’s Buy-Side Order Management Enterprise Solution. She has led Bloomberg’s Women in Technology community of over 2,000 members for a little more than four years and spoken on numerous panels and events regarding her efforts in the diversity and leadership space. Jackie founded and kickstarted a working group within her department to consolidate and standardize testing efforts and actively partners with product and QA counterparts.
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