bafa2ec126
`OnSystem` is exercised by other tests that include its modules but this adds some baseline tests to ensure some of these methods work as expected when tested in isolation. Between these added tests and existing tests, we should have 100% coverage when run on Homebrew/brew CI.
Library
This directory contains all the code run by the official brew command in Homebrew and all formulae (package descriptions) in taps (repositories containing formulae) in Taps subdirectories.