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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Jérémy Bobbio <lunar@debian.org>
# Copyright © 2015-2017, 2019-2021 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.comparators import ComparatorManager
from diffoscope.comparators.binary import FilesystemFile
from diffoscope.comparators.utils.specialize import specialize
from ..utils.data import (
load_fixture,
data,
get_data,
normalize_zeros,
assert_diff,
)
from ..utils.tools import skip_unless_tools_exist, skip_unless_module_exists
from ..utils.nonexisting import assert_non_existing
try:
from diffoscope.comparators.rpm import RpmFile
except ImportError:
from diffoscope.comparators.rpm_fallback import RpmFile
rpm1 = load_fixture("test1.rpm")
rpm2 = load_fixture("test2.rpm")
def test_identification(rpm1):
assert isinstance(rpm1, RpmFile)
@skip_unless_module_exists("rpm")
def test_no_differences(rpm1):
difference = rpm1.compare(rpm1)
assert difference is None
@pytest.fixture
def differences(rpm1, rpm2):
return rpm1.compare(rpm2).details
@skip_unless_module_exists("rpm")
@skip_unless_tools_exist("rpm2cpio")
def test_header(differences):
assert differences[0].source1 == "header"
assert_diff(differences[0], "rpm_header_expected_diff")
@skip_unless_module_exists("rpm")
@skip_unless_tools_exist("rpm2cpio")
def test_listing(differences):
assert differences[1].source1 == "content"
assert differences[1].details[0].source1 == "file list"
assert_diff(differences[1].details[0], "rpm_listing_expected_diff")
@skip_unless_module_exists("rpm")
@skip_unless_tools_exist("rpm2cpio")
def test_content(differences):
assert differences[1].source1 == "content"
assert differences[1].details[1].source1 == "./dir/text"
assert_diff(differences[1].details[1], "text_ascii_expected_diff")
@skip_unless_module_exists("rpm")
@skip_unless_tools_exist("rpm2cpio")
def test_compare_non_existing(monkeypatch, rpm1):
assert_non_existing(monkeypatch, rpm1)
@skip_unless_tools_exist("xxd")
def test_fallback_comparison(monkeypatch):
manager = ComparatorManager()
monkeypatch.setattr(manager, "COMPARATORS", (("rpm_fallback.RpmFile",),))
manager.reload()
# Re-specialize after reloading our Comparators
rpm1 = specialize(FilesystemFile(data("test1.rpm")))
rpm2 = specialize(FilesystemFile(data("test2.rpm")))
assert rpm1.compare(rpm1) is None
assert rpm2.compare(rpm2) is None
expected_diff = get_data("rpm_fallback_expected_diff")
assert normalize_zeros(rpm1.compare(rpm2).unified_diff) == expected_diff
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