Test PostgreSQL With the Queries Your App Actually Runs
Replay recorded PostgreSQL queries to catch schema regressions and run realistic database load tests with proxymock, using the CLI or an AI assistant.
Posts by Matt LeRay
Co-founder and CTO of Speedscale, expert in Agentic AI and cloud data warehousing. • 9 posts published
The Kubeshark Workflow That Doesn't Stop at the Dashboard
A Kubeshark alternative that goes beyond observability. Stream live cluster traffic into proxymock, then replay or mock it locally from your laptop.
Using Python MockServer for API Testing
Use Python requests with MockServer’s REST API to create expectations, test failure responses, verify calls, and reset state between tests.
Reproduce A Rare Retry Path With Loki + proxymock
Find the rare payload that sends a service down a retry path, correlate it to the recorded response, and prove the fix with proxymock replay.
Break One Dependency, Not The Whole Cluster
Scoped chaos rules are now in proxymock: pick traffic with a filter query, perturb it, and label every injected failure so it is never mistaken for a real one.
Separate Application Latency From Network Failure With Hubble
Use Cilium Hubble flow evidence and proxymock replay to prove whether a Kubernetes timeout came from your code, a dependency, or a dropped packet.
Team-Based DLP: Give Each Group Its Own Redaction Rules
One forwarder, many teams, one DLP rule nobody wants to touch. Scoped group rules let each team own its redaction. How-to for proxymock web and Speedscale.
Test Behavior, Not Choreography
Part 5 of Getting Started with Mocks: a test that pinned the retry schedule broke on a change no customer could notice. Here is how to rewrite it.
gRPC Mocks, Tests and Contract Checks From a .proto
Turn a .proto file into gRPC mocks and tests with proxymock, record real responses, and catch field type changes that protobuf decoding silently accepts.
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