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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 pytest
import subprocess
from diffoscope.comparators.ocaml import OcamlInterfaceFile
from ..utils.data import load_fixture, get_data
from ..utils.tools import skip_unless_tool_is_at_least
from ..utils.nonexisting import assert_non_existing
cmi1 = load_fixture('test1.cmi')
cmi2 = load_fixture('test2.cmi')
def ocaml_version():
try:
out = subprocess.check_output(['ocaml', '-version'])
except subprocess.CalledProcessError as e:
out = e.output
return out.decode('utf-8').split()[-1]
def test_identification(cmi1):
assert isinstance(cmi1, OcamlInterfaceFile)
@pytest.fixture
def differences(cmi1, cmi2):
return cmi1.compare(cmi2).details
def test_no_differences(cmi1):
difference = cmi1.compare(cmi1)
assert difference is None
@skip_unless_tool_is_at_least('ocamlobjinfo', ocaml_version, '4.05.0')
def test_diff(differences):
expected_diff = get_data('ocaml_expected_diff')
assert differences[0].unified_diff == expected_diff
@skip_unless_tool_is_at_least('ocamlobjinfo', ocaml_version, '4.05.0')
def test_compare_non_existing(monkeypatch, cmi1):
assert_non_existing(monkeypatch, cmi1, has_null_source=False)
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