Two diff-coverage gaps on the ci-kvm-runner branch:
1. bot_bottle/backend/docker/setup.py: the try/except TimeoutExpired
block added in a prior commit had no tests reaching the subprocess
path. Add two tests to TestDockerSetupStatus: one for the success
path (subprocess returns 0) and one for the TimeoutExpired fallback.
2. bot_bottle/db_store.py: the _connection() context manager change in
is_migrated() was never exercised by unit tests (all callers mock
is_migrated() directly). Add test_db_store.py covering the absent-DB,
missing-schema-table, migrated, and behind-schema cases.
The Firecracker VM/SSH orchestration (launch/boot/SSH/isolation-probe,
~230 lines) is covered by the integration suite, which needs /dev/kvm +
the provisioned pool — a container runner skips it, so those lines read
uncovered and the 90% diff gate can't pass there (it's been red since the
backend landed). Move the `coverage` job to a self-hosted `kvm` runner
with a firecracker-readiness preflight (binary + /dev/kvm + `backend
status`), so the integration test actually runs and the orchestration is
covered. Unit/lint stay on ubuntu-latest. README documents the runner
prerequisites.
Also close the last unit-coverable gaps (bottle exec/close, bottle_plan
properties, docker status/setup branches, netpool span/conflict) so the
gate clears 90% (90.3%) with the firecracker integration test running.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck
Unit tests for the generic host-setup paths across firecracker/docker/
macos-container — NixOS vs systemd (root/non-root) vs neither, missing
binary/daemon/service, persistence reporting, and the netpool shell
renderer. Lifts diff-coverage on the new setup code from ~0 to full.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck
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