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# -*- coding: utf-8 -*-
#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2015 Daniel Kahn Gillmor <dkg@fifthhorseman.net>
# 2015 Paul Gevers <elbrus@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
import subprocess
from diffoscope.comparators.ppu import PpuFile
from utils.data import load_fixture, get_data
from utils.tools import skip_unless_tools_exist, skip_unless_tool_is_at_least
from utils.nonexisting import assert_non_existing
# These test files were taken from two different builds of the Debian package
# fp-units-castle-game-engine (version 5.1.1-2 on amd64) on the Debian
# reproducible build infrastructure. The files were originally called
# castletexturefont_dejavusans_10.ppu which are generated during package
# building of the cge package from dejavusans font in the fonts-dejavu package.
file1 = load_fixture('test1.ppu')
file2 = load_fixture('test2.ppu')
def ppudump_version():
# first line of `PPU-Analyser Version 3.0.0` looks like:
# PPU-Analyser Version 3.0.0
out = subprocess.check_output(['ppudump', '-h'])
return out.decode('utf-8').splitlines()[0].split()[2].strip()
@skip_unless_tools_exist('ppudump')
def test_identification(file1):
assert isinstance(file1, PpuFile)
def test_no_differences(file1):
difference = file1.compare(file1)
assert difference is None
@pytest.fixture
def differences(file1, file2):
return file1.compare(file2).details
@skip_unless_tool_is_at_least('ppudump', ppudump_version, '3.0.0')
def test_diff(differences):
print(differences[0].unified_diff)
expected_diff = get_data('ppu_expected_diff')
assert differences[0].unified_diff == expected_diff
@skip_unless_tool_is_at_least('ppudump', ppudump_version, '3.0.0')
def test_compare_non_existing(monkeypatch, file1):
assert_non_existing(monkeypatch, file1, has_null_source=False)
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