Test real pair rollback supervisors - #166
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Outcome
The real-host release gates now restore a deliberately broken
fabricandfabric-syncpair through the pair-aware rollback reader.The macOS gate uses a real launchd job. The new Linux gate uses a real systemd transient timer and service. Each test requires both members to match their known-good copies and requires every transient job to disappear.
The release gate now states the exact proof beside each test. It also says that isolated tests do not prove the production paths and services.
Local proof
cargo test --lib update::supervisor_tests -- --test-threads=1: 11 passed, 1 ignored.cargo test --lib a_real_launchd_supervisor_rolls_back_and_removes_its_job -- --ignored --nocapture: passed on Silber in 0.66 seconds.cargo test --lib a_real_systemd_supervisor_rolls_back_and_removes_its_jobs -- --ignored --nocapture: passed on hetz in 1.08 seconds.The first hetz link attempt used
/tmp, which is a RAM disk. It failed withSIGBUS. The disk-backed retry passed.