rust-matchers: implement `visit_children_set` for `FileMatcher`
As per the removed inline comment, this will become useful in a future patch
in this series as the `IncludeMatcher` is introduced.
Differential Revision: https://phab.mercurial-scm.org/D7914
from __future__ import absolute_import
import unittest
import silenttestrunner
from mercurial import pathutil
class dirstests(unittest.TestCase):
def testdirs(self):
for case, want in [
(b'a/a/a', [b'a', b'a/a', b'']),
(b'alpha/beta/gamma', [b'', b'alpha', b'alpha/beta']),
]:
d = pathutil.dirs({})
d.addpath(case)
self.assertEqual(sorted(d), sorted(want))
def testinvalid(self):
with self.assertRaises(ValueError):
d = pathutil.dirs({})
d.addpath(b'a//b')
if __name__ == '__main__':
silenttestrunner.main(__name__)