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test: keep the h2c unix socket path within sun_path limits - #5978
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os.tmpdir() can be long enough (e.g. under CITGM on macOS, where TMPDIR points inside the CITGM work dir) that the socket path exceeds the 104-byte sun_path limit. Node.js >= 24 rejects such paths with EINVAL instead of silently truncating them, so the test failed on Node.js 24 and 26. Fall back to /tmp when the path would be too long. Refs: nodejs/citgm#1185
metcoder95
approved these changes
Oct 8, 2026
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #5978 +/- ##
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Coverage 91.52% 91.52%
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Files 113 113
Lines 43537 43537
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+ Hits 39847 39849 +2
+ Misses 3690 3688 -2 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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Summary
test/h2c-client.js› Connect to h2c server over a unix domain socket creates its socket undermkdtemp(os.tmpdir()). Under CITGM on macOS,TMPDIRpoints inside the CITGM work directory (/private/var/folders/…/T/<id>/npm_config_tmp), so the socket path exceeds the 104-bytesun_pathlimit.Node.js 22 silently truncates such paths (so the test happens to pass), while Node.js 24 and 26 reject them with
EINVAL— which is whycitgm undicifails on macOS with Node.js 24/26 only.This falls back to
/tmpwhen thetmpdir()-based path would be too long.Refs: nodejs/citgm#1185
Verification
TMPDIR, the old test fails and the new one passes on Node.js 22.22.1, 24.21.0 and 26.9.0.npx borp -p test/h2c-client.js: 12/12 pass.The other citgm failures in that issue (Node.js 22
onread->IsFunction()abort) are handled by #5961.