67 lines
3.4 KiB
Python
67 lines
3.4 KiB
Python
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"""Redistributable preparation tests; no native builds or GPU execution."""
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from pathlib import Path
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import tempfile
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import unittest
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from build_runtime import bundle_windows_crt, WINDOWS_CRT_FILES
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class CrtTests(unittest.TestCase):
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def fixture(self, directory):
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root = Path(directory)
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installation = root / "Visual Studio"
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auxiliary = installation / "VC/Auxiliary/Build"
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auxiliary.mkdir(parents=True)
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(auxiliary / "Microsoft.VCRedistVersion.default.txt").write_text("14.44.35112")
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(auxiliary / "Microsoft.VCToolsVersion.default.txt").write_text("14.44.35207")
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source = installation / "VC/Redist/MSVC/14.44.35112/x64/Microsoft.VC143.CRT"
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source.mkdir(parents=True)
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for name in WINDOWS_CRT_FILES:
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(source / name).write_bytes(name.encode())
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(source / "unlisted-debug.dll").write_bytes(b"do not distribute")
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build = root / "build"
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(build / "Release").mkdir(parents=True)
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(build / "CMakeCache.txt").write_text(f"CMAKE_GENERATOR_INSTANCE:INTERNAL={installation}\n")
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return build, source, auxiliary
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def test_copies_only_fixed_unmodified_release_files_and_public_provenance(self):
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with tempfile.TemporaryDirectory() as directory:
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build, source, _ = self.fixture(directory)
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bundle_windows_crt(build)
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for name in WINDOWS_CRT_FILES:
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self.assertEqual((build / "Release" / name).read_bytes(), (source / name).read_bytes())
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self.assertFalse((build / "Release/unlisted-debug.dll").exists())
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notice = (build / "Release/MSVC-REDISTRIBUTION.txt").read_text(encoding="utf-8")
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self.assertIn("14.44.35112", notice)
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self.assertIn("https://learn.microsoft.com/", notice)
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self.assertNotIn(directory, notice)
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def test_missing_or_mismatched_crt_preserves_existing_files(self):
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with tempfile.TemporaryDirectory() as directory:
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build, source, auxiliary = self.fixture(directory)
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existing = build / "Release/msvcp140.dll"
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existing.write_bytes(b"previous CRT")
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(source / "vcruntime140.dll").unlink()
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with self.assertRaisesRegex(RuntimeError, "redistributable is missing"):
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bundle_windows_crt(build)
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self.assertEqual(existing.read_bytes(), b"previous CRT")
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(auxiliary / "Microsoft.VCRedistVersion.default.txt").write_text("14.43.12345")
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with self.assertRaisesRegex(RuntimeError, "does not match"):
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bundle_windows_crt(build)
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self.assertEqual(existing.read_bytes(), b"previous CRT")
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def test_custom_toolset_compiler_mismatch_rejects_before_copy(self):
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with tempfile.TemporaryDirectory() as directory:
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build, _, _ = self.fixture(directory)
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with (build / "CMakeCache.txt").open("a") as stream:
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stream.write("CMAKE_CACHE_MAJOR_VERSION:INTERNAL=4\nCMAKE_CACHE_MINOR_VERSION:INTERNAL=2\nCMAKE_CACHE_PATCH_VERSION:INTERNAL=0\n")
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compiler = build / "CMakeFiles/4.2.0/CMakeCXXCompiler.cmake"
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compiler.parent.mkdir(parents=True)
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compiler.write_text('set(CMAKE_CXX_COMPILER_VERSION "19.45.12345")\n')
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with self.assertRaisesRegex(RuntimeError, "actual selected compiler"):
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bundle_windows_crt(build)
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self.assertFalse((build / "Release/msvcp140.dll").exists())
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if __name__ == "__main__":
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unittest.main()
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