sneak
9cb2c2b7e0
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The resolver's live-DNS tests failed nondeterministically, a different subset each run. Three structural causes, all test-side: - Burst fan-out. Every test in the package is parallel and the build hosts have many cores, so all ~35 iterative resolutions started at the same instant and, because queryServers walks rootServerList() in fixed order, hit the same root server within milliseconds. Root servers rate-limit that. - No retry anywhere. One dropped UDP packet in a delegation chain failed a test outright. - Unanimity assertions. TestQueryAllNameservers_AllReturnOK and _NXDomainFromAllNS required every one of a domain's nameservers to answer, with no tolerance for one being slow. New internal/resolver/livedns_test.go addresses each: a package-wide gate bounds how many live resolutions are in flight at once, every live operation gets three attempts with exponential backoff and its own deadline, and multi-nameserver assertions now need a strict majority rather than unanimity. The retry predicate is deliberately transport-level -- "did a nameserver answer at all" -- never the assertion under test, so a resolver that answers incorrectly still fails on the first attempt. A nameserver that stays silent is tolerated; one that answers wrongly is not. livedns_harness_test.go tests that machinery directly: quorum arithmetic, status counting, the gate's concurrency bound, per-attempt deadlines, and recovery from a transient failure. It touches no DNS. Nothing is mocked, faked, stubbed, recorded, skipped or build-tagged, and production resolver behaviour is unchanged. Test caps move to the new org-wide values ruled at prompts issue 41: 60s hard cap, 20s target, 90s -timeout backstop. REPO_POLICIES.md is re-vendored byte-identical from sneak/prompts rather than hand-edited, which also picks up the golangci-lint paragraph this copy had drifted behind on. TESTING.md's stale 30-second target follows to 60. #93
13 lines
183 B
Bash
Executable File
13 lines
183 B
Bash
Executable File
#!/bin/sh
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# script/test: run the test suite.
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set -eu
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ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
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main() {
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cd "$ROOT"
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go test -v -race -timeout 90s -cover ./...
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}
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main "$@"
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