What is alertmanager-routing-tests?

A Go CLI for unit testing Alertmanager routing and inhibition via YAML cases. Runs in-memory, CI-perfect.

How do I unit test Alertmanager routing?

Write YAML tests with alerts and expected_receivers or expected_inhibited. Point tool at config + tests. Green means safe deploy.

Core routing, inhibition yes. Group_by, continue flags covered. No clustering — pure logic.

⚙️ DevOps & Platform Eng

Alertmanager configs look fine until they route DatabaseDown alerts to the frontend Slack. A new Go tool fixes that with unit tests. Finally.

theAIcatchup Apr 10, 2026 4 min read

Unit test Alertmanager routing and inhibition in CI to avoid wrong-team pages. 𝕏
Built on Prometheus libs — in-memory, no server needed, catches semantic errors. 𝕏
YAML tests fire alerts together; criticals inhibit warnings automatically. 𝕏

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#Alertmanager #Prometheus #SRE tooling #observability #routing tests #unit testing

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