view tests/test-dirs.py @ 45666:f6811e5bd994

changing-files: add clean computation of changed files for roots

The `files` field is not reliable, so we need to compute things from scratch. We
start with the simplest case root changesets. In the beginning they was nothing,
then user said "let there be files" and there were added files.

Differential Revision: https://phab.mercurial-scm.org/D9126

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__)