Test PostgreSQL With the Queries Your App Actually Runs

Proxymock can capture an application’s real PostgreSQL traffic—including prepared statements, parameters, reads, and writes—and reuse one recording for mocked app checks, database migration regression tests, and concurrent load testing. By applying a tests filter that promotes recorded outbound PostgreSQL calls into tests, users can replay queries against a new schema or PostgreSQL version, identify statements whose results differ from the original recording, preserve SQL errors for diagnosis, and enforce failure thresholds in CI. Load tests can run the same queries through multiple database sessions while reporting per-query throughput, latency percentiles, and failure rates, offering more context than a single statements-per-second figure. The tool supports CLI, AI assistant, web, and Speedscale dashboard workflows, validates database credentials before replay, and can expose replay sessions in PostgreSQL monitoring views. Because replays execute real writes, they should target disposable databases, and users should account for recorded row IDs, repeated inserts, statement-by-statement transaction replay, and current limitations involving COPY operations and function calls.

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