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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Jérémy Bobbio <lunar@debian.org>
# Copyright © 2015-2017, 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 pytest
from diffoscope.config import Config
from diffoscope.comparators.tar import TarFile
from diffoscope.comparators.missing_file import MissingFile
from ..utils.data import load_fixture, get_data
from ..utils.nonexisting import assert_non_existing
tar1 = load_fixture("test1.tar")
tar2 = load_fixture("test2.tar")
def test_identification(tar1):
assert isinstance(tar1, TarFile)
def test_no_differences(tar1):
difference = tar1.compare(tar1)
assert difference is None
@pytest.fixture
def differences(tar1, tar2):
return tar1.compare(tar2).details
def test_listing(differences):
expected_diff = get_data("tar_listing_expected_diff")
assert differences[0].unified_diff == expected_diff
def test_symlinks(differences):
assert differences[2].source1 == "dir/link"
assert differences[2].source2 == "dir/link"
assert differences[2].comment == "symlink"
expected_diff = get_data("symlink_expected_diff")
assert differences[2].unified_diff == expected_diff
def test_text_file(differences):
assert differences[1].source1 == "dir/text"
assert differences[1].source2 == "dir/text"
expected_diff = get_data("text_ascii_expected_diff")
assert differences[1].unified_diff == expected_diff
def test_compare_non_existing(monkeypatch, tar1):
assert_non_existing(monkeypatch, tar1)
no_permissions_tar = load_fixture("no-perms.tar")
# Reported as Debian #797164. This is a good way to notice if we unpack directories
# as we won't be able to remove files in one if we don't have write permissions.
def test_no_permissions_dir_in_tarball(monkeypatch, no_permissions_tar):
# We want to make sure OSError is not raised.
# Comparing with non-existing file makes it easy to make sure all files are unpacked
monkeypatch.setattr(Config(), "new_file", True)
no_permissions_tar.compare(MissingFile("/nonexistent", no_permissions_tar))
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