rqlite is a lightweight, open-source, distributed relational database built on SQLite and Raft. With its origins dating back to 2014, its design has always prioritized reliability, and quality. Testing plays a foundational role in achieving these qualities, shaping the implementation and guaranteeing robustness. Testing a distributed system like rqlite is no small feat. It requires careful consideration of various layers: from individual components to the entire system in operation. Let’s explor...