rust-utils: move the `filesystem_now` function to a util
This is going to be useful for an upcoming `hg update` fastpath.
import unittest
from mercurial import mdiff
class splitnewlinesTests(unittest.TestCase):
def test_splitnewlines(self):
cases = {
b'a\nb\nc\n': [b'a\n', b'b\n', b'c\n'],
b'a\nb\nc': [b'a\n', b'b\n', b'c'],
b'a\nb\nc\n\n': [b'a\n', b'b\n', b'c\n', b'\n'],
b'': [],
b'abcabc': [b'abcabc'],
}
for inp, want in cases.items():
self.assertEqual(mdiff.splitnewlines(inp), want)
if __name__ == '__main__':
import silenttestrunner
silenttestrunner.main(__name__)