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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2021-2022 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.python import PycFile
from ..utils.data import assert_diff_startswith, load_fixture
from ..utils.nonexisting import assert_non_existing
from ..utils.tools import skip_unless_file_version_is_at_least
pyc1 = load_fixture("test1.pyc-renamed")
pyc2 = load_fixture("test2.pyc-renamed")
@skip_unless_file_version_is_at_least("5.39")
def test_identification(pyc1, pyc2):
assert isinstance(pyc1, PycFile)
assert isinstance(pyc2, PycFile)
def test_no_differences(pyc1):
# Disassembling bytecode prior to Python 3.10 is stable when applied to
# itself, otherwise various memory offsets (or memory addresses?) are
# non-deterministic.
assert pyc1.compare(pyc1) is None
@pytest.fixture
def differences(pyc1, pyc2):
return pyc1.compare(pyc2).details
@skip_unless_file_version_is_at_least("5.39")
def test_diff(differences):
assert_diff_startswith(differences[0], "pyc_expected_diff")
def test_compare_non_existing(monkeypatch, pyc1):
assert_non_existing(
monkeypatch, pyc1, has_details=False, has_null_source=False
)
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