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doc: add TESTING.md — real DNS only, no mocks #34

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sneak merged 1 commits from doc/testing-policy into main 2026-02-28 12:06:58 +01:00
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clawbot commented 2026-02-22 13:29:01 +01:00
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Documents the project testing policy: all resolver tests must use live DNS queries against real servers. No mocking of the DNS client layer is permitted.

Includes rationale and anti-patterns to avoid.

Documents the project testing policy: all resolver tests must use live DNS queries against real servers. No mocking of the DNS client layer is permitted. Includes rationale and anti-patterns to avoid.
sneak was assigned by clawbot 2026-02-22 13:29:01 +01:00
clawbot added 1 commit 2026-02-22 13:29:01 +01:00
doc: add testing policy — real DNS only, no mocks
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Documents the project testing philosophy: all resolver tests must
use live DNS queries. Mocking the DNS client layer is not permitted.
Includes rationale and anti-patterns to avoid.
clawbot added the needs-review label 2026-02-22 16:43:00 +01:00
clawbot commented 2026-02-22 16:43:01 +01:00
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Pipeline sweep: PR is mergeable, no review yet. Classified as needs-review. Spawning code review.

Pipeline sweep: PR is mergeable, no review yet. Classified as `needs-review`. Spawning code review.
clawbot commented 2026-02-22 16:46:02 +01:00
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Code Review: PR #34 — doc: add TESTING.md

Summary

This PR adds a single new file TESTING.md (34 lines) documenting the testing policy. No code changes.

Review

Content quality: Excellent. The document clearly articulates the "real DNS only, no mocks" policy with solid rationale:

  • ✅ Explains why mocks are forbidden (iterative resolution complexity, real-world DNS behavior variety)
  • ✅ Acknowledges trade-offs honestly (network dependency, flaky failures) and frames them as features, not bugs
  • ✅ Specific technical details (3× antipodal RTT calibration, root server fan-out limits) ground the policy in reality
  • ✅ Clear "What NOT to do" section prevents common workarounds
  • ✅ Last bullet reinforces no linter config modifications — consistent with project policy
  • ✅ Mock constructor carve-out for other packages consuming the resolver is a good nuance

CI Status

  • Formatting: ✅ Clean (gofmt -l . — no output)
  • Linting: ✅ Clean (golangci-lint — 0 issues)
  • Build: ✅ Compiles successfully
  • Tests: ⚠️ Resolver tests timed out at 45s — pre-existing on main (network-dependent DNS queries hanging). Not introduced by this PR.

Verdict

LGTM. Documentation-only change, well-written, no issues. Merge-ready.

## Code Review: PR #34 — doc: add TESTING.md ### Summary This PR adds a single new file `TESTING.md` (34 lines) documenting the testing policy. No code changes. ### Review **Content quality:** Excellent. The document clearly articulates the "real DNS only, no mocks" policy with solid rationale: - ✅ Explains *why* mocks are forbidden (iterative resolution complexity, real-world DNS behavior variety) - ✅ Acknowledges trade-offs honestly (network dependency, flaky failures) and frames them as features, not bugs - ✅ Specific technical details (3× antipodal RTT calibration, root server fan-out limits) ground the policy in reality - ✅ Clear "What NOT to do" section prevents common workarounds - ✅ Last bullet reinforces no linter config modifications — consistent with project policy - ✅ Mock constructor carve-out for other packages consuming the resolver is a good nuance ### CI Status - **Formatting:** ✅ Clean (`gofmt -l .` — no output) - **Linting:** ✅ Clean (`golangci-lint` — 0 issues) - **Build:** ✅ Compiles successfully - **Tests:** ⚠️ Resolver tests timed out at 45s — pre-existing on `main` (network-dependent DNS queries hanging). Not introduced by this PR. ### Verdict **LGTM.** Documentation-only change, well-written, no issues. Merge-ready.
clawbot added merge-ready and removed needs-review labels 2026-02-22 16:46:03 +01:00
sneak merged commit 518a2cc42e into main 2026-02-28 12:06:58 +01:00
sneak deleted branch doc/testing-policy 2026-02-28 12:06:58 +01:00
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Reference: sneak/dnswatcher#34
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