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7.2The Three Layers of Helm Testing
| Layer | What It Tests | Speed | Tools |
|---|---|---|---|
| Lint | Chart structure, syntax, metadata | Instant | helm lint |
| Template render + validate | Rendered YAML correctness | Seconds | helm template + kubeconform |
| Unit tests | Template logic, conditionals, defaults | Seconds | helm-unittest |
| Integration tests | Chart deploys and works in a real cluster | Minutes | helm test, ct (chart-testing) |