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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2016-2017, 2020, 2022-2023 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.binary import FilesystemFile
from diffoscope.comparators.haskell import HiFile
from ..utils.data import get_data, load_fixture, assert_diff
from ..utils.tools import skip_unless_tools_exist
haskell1 = load_fixture("test1.hi")
haskell2 = load_fixture("test2.hi")
@skip_unless_tools_exist("ghc")
def test_identification(haskell1):
if not isinstance(haskell1, HiFile):
pytest.skip("mismatch between system ghc and fixture")
assert isinstance(haskell1, HiFile)
def test_no_differences(haskell1):
assert haskell1.compare(haskell1) is None
@pytest.fixture
def differences(haskell1, haskell2):
return haskell1.compare(haskell2).details
@skip_unless_tools_exist("ghc")
def test_diff(haskell1, differences):
if not isinstance(haskell1, HiFile):
pytest.skip("mismatch between system ghc and fixture")
with open("tests/data/haskell_expected_diff", "w") as f:
f.write(differences[0].unified_diff)
assert_diff(differences[0], "haskell_expected_diff")
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