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Krzysztof kuhy Rudnicki
0a69d18390
Follow-up to9085a4e5, which recorded services_units.sh at 84.51% because its remaining branches sit behind [[ -f /etc/systemd/system/*.service ]] -- absolute root-owned paths that exist on this machine, so the else-branch never runs and no PATH shim can redirect it. All 87 such paths across the seven check libs now go through $SYSROOT, read from SERVICES_ROOT. The prefix is deliberately NOT defaulted. Three commands in hosts_fix_resolved run outside `run` and so are not stopped by --dry-run (chattr -i on resolved.conf.d, find -delete over its *.conf, and an append to resolved.conf); with an empty default, a test that forgot to set SERVICES_ROOT would really delete this machine's resolved.conf drop-ins. Unset is therefore a hard error and only an explicitly empty value means the real filesystem. The harness now owns PATH outright: $FAKE_BIN for shims and staged fake apps, $REAL_BIN for a curated set of symlinks to genuine coreutils. The machine's /usr/bin is deliberately absent -- a really-installed discord and chromium otherwise make the "no target apps present" branches untestable, which is exactly what happened until these tests caught it. Coverage, measured against run_all.sh because two test files jointly cover services_common.sh after the 250-cap split: common 55/55, report 27/27, units 72/72 (was 84.51%), wrappers 100/100, apps 66/66, browser 79/79 -- seven libs at 100%. services_hosts.sh reads 86.05% and services_hosts_fix.sh 97.30%, and those 14 lines are a kcov attribution artifact rather than a gap. Falsified rather than assumed: the suite prints "51 passed, 0 failed" when run under kcov, so no group is skipped, and every supposedly-uncovered line is an issues+=("...") whose string can only reach stdout through the print loop below it -- with a passing assertion matching that exact string. Two falsification checks, both re-run after the rewrite: `--status --dry-run` as root stays byte-identical to rev6691cb26modulo the Date: line, and the sha256sums of /etc/hosts, /etc/nsswitch.conf and /etc/systemd/resolved.conf plus the contents of resolved.conf.d are unchanged across a full suite run. The second one is what makes a missed prefix site detectable instead of a matter of inspection: the repair paths really do write. 220 assertions across 8 test files. Also fixes a bug in the harness's own lsattr shim, where printf with a leading-dash format string parsed the dashes as options and silently produced nothing. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01F3PzGc75gBcdxP3PkHXGcV
20 lines
2.3 KiB
JSON
20 lines
2.3 KiB
JSON
{
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"title": "Reach 100% coverage on the check_and_enable_services libs via a redirectable path prefix",
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"objective": "Make the absolute root-owned paths the check libs probe redirectable through a $SYSROOT prefix, so the file-existence branches become reachable in tests and the eight libs from 9085a4e5 reach 100% line coverage. This is the follow-up the user chose (option b): split first with measured coverage recorded, then close the gap in its own commit.",
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"acceptance_criteria": [
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"Every absolute /usr, /etc and /var path in the seven check libs is prefixed with $SYSROOT; the only literals left are inside services_report.sh's usage help text.",
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"SERVICES_ROOT has no default in the libs: unset is a hard error, empty means the real filesystem, and check_and_enable_services.sh sets it explicitly.",
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"sudo bash check_and_enable_services.sh --status --dry-run stays byte-identical to the same command at rev 6691cb26, modulo the Date: line.",
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"sha256sum of /etc/hosts, /etc/nsswitch.conf and /etc/systemd/resolved.conf plus the contents of /etc/systemd/resolved.conf.d are unchanged across a full suite run.",
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"shell_coverage.sh against lib/tests/run_all.sh reports 100% for every lib, or records a measured figure with a falsified diagnosis for any shortfall.",
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"Every file including the test files is at or under 250 lines.",
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"shellcheck reports zero findings standalone and with -x, with no suppression added."
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],
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"out_of_scope": [
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"The latent status-downgrade bug in the three unit checks, where an unconditional status=\"warning\" on the is-active branch overwrites the status=\"error\" from is-enabled, so a timer that is both disabled and inactive is never repaired. Still pinned and named by the tests; it changes live enforcement and earns its own commit.",
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"Any behaviour change: the prefix is empty in production and the live output diff is the proof.",
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"The other six files still over the 250-line cap."
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],
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"verifier": "lib/tests/run_all.sh (220 assertions, 0 failures), bash meta/scripts/shell_coverage.sh lib/tests/run_all.sh <lib> 100 for all eight libs, a diff of sudo bash check_and_enable_services.sh --status --dry-run against rev 6691cb26, a before/after sha256sum of the three /etc files, grep for unprefixed absolute paths, shellcheck, and check_file_length.sh --all."
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}
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