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import os
from pathlib import Path
import tempfile
import unittest
from unittest.mock import patch
from scripts import windows_cross
class WindowsCrossTests(unittest.TestCase):
def test_libc_configuration_matches_xwin_layout(self):
with tempfile.TemporaryDirectory() as directory:
root = Path(directory)
for relative in (
"sdk/include/ucrt/stdlib.h", "crt/include/vcruntime.h",
"sdk/lib/ucrt/x86_64/ucrt.lib", "crt/lib/x86_64/vcruntime.lib",
"sdk/lib/um/x86_64/kernel32.lib",
):
path = root / relative
path.parent.mkdir(parents=True, exist_ok=True)
path.touch()
contents = windows_cross.libc_contents(root)
self.assertIn(f"include_dir={root / 'sdk/include/ucrt'}\n", contents)
self.assertIn(f"msvc_lib_dir={root / 'crt/lib/x86_64'}\n", contents)
self.assertTrue(contents.endswith("gcc_dir=\n"))
(root / "crt/include/vcruntime.h").unlink()
with self.assertRaisesRegex(ValueError, "missing .*vcruntime.h"):
windows_cross.libc_contents(root)
def test_persistent_configuration_and_explicit_override(self):
with tempfile.TemporaryDirectory() as directory:
root = Path(directory)
default = root / "libc.txt"
override = root / "custom.txt"
default.touch()
override.touch()
with patch.object(windows_cross, "SDK_ROOT", root), patch.dict(os.environ, {}, clear=True):
self.assertEqual(windows_cross.libc_path(), default.resolve())
with patch.dict(os.environ, {windows_cross.LIBC_ENV: str(override)}):
self.assertEqual(windows_cross.libc_path(), override.resolve())
override.unlink()
with self.assertRaisesRegex(ValueError, "just setup-windows-cross"):
windows_cross.libc_path()
def test_missing_setup_does_not_run_build_or_download(self):
with tempfile.TemporaryDirectory() as directory:
with patch.object(windows_cross, "SDK_ROOT", Path(directory)), \
patch.dict(os.environ, {}, clear=True), \
patch.object(windows_cross.subprocess, "run") as run:
with self.assertRaisesRegex(ValueError, "just setup-windows-cross"):
windows_cross.lint()
run.assert_not_called()
def test_lint_passes_sdk_to_cargo_without_changing_parent_environment(self):
with patch.object(windows_cross, "libc_path", return_value=Path("/sdk/libc.txt")), \
patch.dict(os.environ, {"KEEP_ME": "yes"}, clear=True), \
patch.object(windows_cross.subprocess, "run") as run:
windows_cross.lint()
self.assertEqual(run.call_count, 2)
cargo = run.call_args
self.assertEqual(cargo.args[0][:2], ["cargo", "clippy"])
self.assertEqual(cargo.kwargs["env"][windows_cross.LIBC_ENV], str(Path("/sdk/libc.txt")))
self.assertEqual(cargo.kwargs["env"]["KEEP_ME"], "yes")
self.assertNotIn(windows_cross.LIBC_ENV, os.environ)
def test_license_acceptance_is_only_forwarded_when_explicit(self):
with tempfile.TemporaryDirectory() as directory:
with patch.object(windows_cross, "SDK_ROOT", Path(directory)), \
patch.object(windows_cross.shutil, "which", return_value="tool"), \
patch.object(windows_cross, "libc_contents", return_value="configuration"), \
patch.object(windows_cross.subprocess, "run") as run:
for accepted in (False, True):
run.reset_mock()
windows_cross.setup(accepted)
command = run.call_args_list[0].args[0]
self.assertEqual("--accept-license" in command, accepted)
self.assertEqual(command[0], "xwin")
self.assertIn("--copy", command)
if __name__ == "__main__":
unittest.main()
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