tests/mockblackbox.py

internals: document revlog format

It seems like a good idea to document the revlog format.

There is a lot more that could be added to this documentation.
But you have to start somewhere.

from mercurial import util

def makedate():
    return 0, 0
def getuser():
    return 'bob'

# mock the date and user apis so the output is always the same
def uisetup(ui):
    util.makedate = makedate
    util.getuser = getuser