http://ozmm.org/posts/fakefs.html — Fak…

http://ozmm.org/posts/fakefs.html
— FakeFS: Ruby library which transparently causes File, Dir, and FileUtils to use an in-memory. faux-filesystem rather than the real filesystem on disk. Why? So you don’t have to deal with mocking libraries, so your tests are faster, and so you don’t need a hard drive to run them.

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