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#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2018 Joachim Breitner <nomeata@debian.org>
# Copyright © 2020 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.wasm import WasmFile
from ..utils.data import load_fixture, get_data
from ..utils.tools import skip_unless_tools_exist
from ..utils.nonexisting import assert_non_existing
wasmmodule1 = load_fixture("hello1.wasm")
wasmmodule2 = load_fixture("hello2.wasm")
def test_identification(wasmmodule1):
assert isinstance(wasmmodule1, WasmFile)
def test_no_differences(wasmmodule1):
difference = wasmmodule1.compare(wasmmodule1)
assert difference is None
@pytest.fixture
def differences(wasmmodule1, wasmmodule2):
return wasmmodule1.compare(wasmmodule2).details
@skip_unless_tools_exist("wasm2wat")
def test_diff(differences):
expected_diff = get_data("wasm_expected_diff")
actual_diff = differences[0].unified_diff
assert actual_diff == expected_diff
@skip_unless_tools_exist("wasm2wat")
def test_compare_non_existing(monkeypatch, wasmmodule1):
assert_non_existing(monkeypatch, wasmmodule1, has_null_source=False)
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