Tai Groot adf3c36632 fix(helpers): return ErrValueNotSet for nonexistent units in GetNumRestarts (#9) ...

systemd returns NRestarts=0 for units with LoadState=not-found, making
it indistinguishable from a genuinely loaded unit with zero restarts.
GetNumRestarts now checks LoadState when NRestarts is 0 and returns
ErrValueNotSet for units that don't exist, matching GetMemoryUsage
behavior.

Also adds unit tests for filterErr (all stderr error mapping cases)
and HasValidUnitSuffix (all valid unit types + negative cases).

Updates syncthing test expectation from ErrValueNotSet to nil since
loaded-but-inactive units legitimately have NRestarts=0.

2026-03-05 12:26:12 -05:00

5.1 KiB

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