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How can I create a fake file object in Python that contains text? I’m trying to write unit tests for a method that takes in a file object and retrieves the text via readlines() then do some text manipulation. Please note I can’t create an actual file on the file system. The solution has to be compatible with Python 2.7.3.
This is exactly what
StringIO/cStringIO(renamed toio.StringIOin Python 3) is for.