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# -*- coding: utf-8 -*-
#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2018 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
import diffoscope
import subprocess
from .utils.tools import skip_unless_tools_exist
BASE_DIR = os.path.dirname(os.path.abspath(diffoscope.__file__))
@skip_unless_tools_exist('black')
def test_code_is_black_clean():
output = subprocess.check_output(
('black', '--diff', '.'), stderr=subprocess.PIPE
).decode('utf-8')
# Display diff in "captured stdout call"
print(output)
assert len(output) == 0
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