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Martin Vogel
8a531cd398
The isolated-venue contract ran the native preflight contract under `set -e`, so a failure ended the script before its log was printed, and the directory it announced as retained is swept by the next win.sh call's preflight. A full Windows leg failed there once (not reproduced: three runs under the same protected temp root passed) and left nothing to attribute. The native log is now always printed, and on failure each case's output too, with PowerShell's UTF-16 bytes dropped so the log stays text. The VM verdict also reads the log as text (grep -a): a NUL or a UTF-16 byte-order mark made grep call the log binary and print no matches with -o, so failures after such bytes were counted as zero -- an iteration-mode run reporting "2 failed" with a lost exit status was green. The verdict contract pins that case (15 cases). Signed-off-by: Martin Vogel <martin.vogel.tech@gmail.com>
test-infrastructure/ — the local venues
The local half of the 3-OS CI ladder. Every leg here runs the SAME canonical
scripts CI runs (scripts/test.sh, build.sh, smoke-local.sh,
soak-legs.sh, vm-smoke.sh — see scripts/README.md); this directory only
provisions containers and the Windows VM. The venue-parity contract
(tests/test_venue_parity_contract.sh, Step 0j of every test leg) fails the
build if a venue grows its own harness logic — here or in the workflows.
Entry points
| venue | entry | notes |
|---|---|---|
| Linux (arm64 + amd64) + cross-compile | ./run.sh <leg> (--help for the leg list) |
Colima only — Docker Desktop is broken on this machine. A clean-disk preflight (scripts/ci/preflight-docker.sh) runs before every leg: GitHub runners are ephemeral with a known-free 14 GB disk, so the long-lived VM is swept back to that shape first. |
| Real Windows (UTM ARM64 VM) | vm/win.sh <command> (win.sh help) |
Same preflight idea (scripts/ci/clean-test-residue.ps1), plus CI's protected per-user TEMP root. Wine (run.sh windows) is a compile check only — never a substitute for the VM. |
| macOS | run the canonical scripts natively | scripts/test.sh, scripts/build.sh, scripts/smoke-local.sh … |
The ladder (before any push)
scripts/test.sh— macOS native (or--suites …while iterating)./test-infrastructure/run.sh full— Linux arm64 test/build/TSan/smoke/portable + mingw cross-compile (+amd64,soak-linuxas needed)vm/win.sh test-par·guards·smoke-install·soak— the real-Windows legs
Infra unavailable = a run blocker to escalate — never a silent bypass.
Fidelity guarantees (what makes local predictive of CI)
- Same scripts, same sequence, same flags — platform specifics (e.g. the CLANGARM64 trap-UBSan default) live inside the canonical entries, applied identically everywhere.
- Same environment shape — protected TEMP roots, sandboxed smoke, clean builds with the content-verified ccache (a hit is byte-identical to a cold compile; caches only accelerate, never change results).
- Same starting disk — preflights sweep residue and BLOCK below the runner's 14 GB floor (a quietly full disk fails inside install paths and masquerades as a product bug).
- Known, deliberate residuals — runner physics (4 vCPU vs local cores, shared tenancy), Defender ON in the VM vs OFF on GitHub runners, no TSan on Windows anywhere, no ASan runtime on native ARM64 Windows (trap-UBSan + PageHeap stand in).
See vm/README.md for VM provisioning and day-to-day VM mechanics.