tree d110c271e1d9c8756a6d37e1a4196729753a481f
parent 76fac817e4dbe5aaece9ed6a962e1cc94815d4d6
author ajurkowski <ajurkowski@google.com> 1649965248 -0700
committer Copybara-Service <copybara-worker@google.com> 1649965320 -0700

Add tests for `FileWriteStrategy`.

Add a helper `FileSystem` class to create spies over the `FileSystem` to allow for easy mocking of `FileSystem` methods. This allows to mock some of the `FileSystem` behavior without the boilerplate code extending `{InMemory,Delegate}FileSystem`.

PiperOrigin-RevId: 441828793