# SPDX-License-Identifier: GPL-2.0-only OR MIT# Copyright (C) 2025 TNG Technology Consulting GmbH import unittestfrom pathlib import Pathimport tempfilefrom sbom.spdx_graph.kernel_file import _parse_spdx_license_identifier  # type: ignore  class TestKernelFile(unittest.TestCase):    def setUp(self):        self.tmpdir = tempfile.TemporaryDirectory()        self.src_tree = Path(self.tmpdir.name)     def tearDown(self):        self.tmpdir.cleanup()     def test_parse_spdx_license_identifier(self):        # REUSE-IgnoreStart        test_cases: list[tuple[str, str | None]] = [            ("/* SPDX-License-Identifier: MIT*/", "MIT"),            ("// SPDX-License-Identifier: GPL-2.0-only", "GPL-2.0-only"),            ("# SPDX-License-Identifier: GPL-2.0-only", "GPL-2.0-only"),            ("#!/bin/bash\n# SPDX-License-Identifier: GPL-2.0-only", "GPL-2.0-only"),            ("/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */", "GPL-2.0-or-later OR MIT"),            ("/* SPDX-License-Identifier: Apache-2.0 */\n extra text", "Apache-2.0"),            ("<!-- SPDX-License-Identifier: GPL-2.0 -->", "GPL-2.0"),            ("int main() { return 0; }", None),        ]        # REUSE-IgnoreEnd         for i, (file_content, expected_identifier) in enumerate(test_cases):            file_path = self.src_tree / f"file_{i}.c"            file_path.write_text(file_content)            self.assertEqual(_parse_spdx_license_identifier(str(file_path)), expected_identifier)