File: test_symlink.py

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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2017, 2020 Chris Lamb <lamby@debian.org>
#
# diffoscope is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# diffoscope is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with diffoscope.  If not, see <https://www.gnu.org/licenses/>.

import os

from diffoscope.comparators.binary import FilesystemFile
from diffoscope.comparators.utils.specialize import specialize

from ..utils.data import get_data


def test_destination(tmpdir):
    def create(x):
        path = os.path.join(str(tmpdir.mkdir(x)), "src")
        os.symlink("/{}".format(x), path)
        return specialize(FilesystemFile(path))

    a = create("a")
    b = create("b")

    expected_diff = get_data("symlink_expected_destination_diff")

    assert a.compare(b).unified_diff == expected_diff