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firestar5683
8cb60d82fe
Provide laptop and device build entry points, cache compatibility checks and developer tooling. Keep distribution assets and model packaging available before runtime consumers.
51 lines
2.4 KiB
Python
51 lines
2.4 KiB
Python
import struct
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import unittest
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from tools.laptop_device_build.runtime_paths import runtime_library_path
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from tools.laptop_device_build.validate_artifacts import require_aarch64_elf
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def linked_elf(runpath: str) -> bytes:
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strings = b"\0" + runpath.encode() + b"\0"
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data = bytearray(256 + len(strings))
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data[:6] = b"\x7fELF\x02\x01"
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struct.pack_into("<HHI", data, 16, 3, 183, 1)
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struct.pack_into("<Q", data, 32, 64)
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struct.pack_into("<HHH", data, 52, 64, 56, 2)
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struct.pack_into("<IIQQQQQQ", data, 64, 1, 5, 0, 0x1000, 0x1000, len(data), len(data), 4096)
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struct.pack_into("<IIQQQQQQ", data, 120, 2, 4, 192, 0x10c0, 0x10c0, 64, 64, 8)
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for i, entry in enumerate(((5, 0x1100), (10, len(strings)), (29, 1), (0, 0))):
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struct.pack_into("<qQ", data, 192 + 16 * i, *entry)
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data[256:] = strings
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return bytes(data)
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class RuntimeLibraryPathsTest(unittest.TestCase):
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def test_cross_build_maps_package_to_target_venv(self):
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source = "/work/.venv-linux-arm64/lib/python3.12/site-packages/ffmpeg/install/lib"
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with self.assertRaisesRegex(ValueError, "build-host runtime search path"):
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require_aarch64_elf(linked_elf(source), "encoderd")
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target = runtime_library_path(source, "/work/.venv-linux-arm64", "/usr/local/venv")
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self.assertEqual(target, "/usr/local/venv/lib/python3.12/site-packages/ffmpeg/install/lib")
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require_aarch64_elf(linked_elf(target), "encoderd")
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def test_local_and_native_build_keep_installed_package_path(self):
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for path in ("/Users/dev/.venv/lib/ffmpeg", "/usr/local/venv/lib/ffmpeg"):
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self.assertEqual(runtime_library_path(path, "/unused"), path)
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def test_cross_build_rejects_package_outside_environment(self):
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for path in ("/elsewhere/lib", "lib/ffmpeg", "/work/../lib"):
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with self.subTest(path=path), self.assertRaises(ValueError):
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runtime_library_path(path, "/work/.venv-linux-arm64", "/usr/local/venv")
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def test_all_runtime_path_entries_checked(self):
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for path in ("/usr/local/lib:/work/dependency/lib", "/opt/tici-sysroot/usr/lib", "/Users/dev/lib"):
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with self.subTest(path=path), self.assertRaisesRegex(ValueError, "build-host runtime search path"):
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require_aarch64_elf(linked_elf(path), "loggerd")
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def test_truncated_dynamic_table_rejected(self):
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data = bytearray(linked_elf("/usr/local/lib"))
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struct.pack_into("<Q", data, 120 + 32, 4096)
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with self.assertRaisesRegex(ValueError, "malformed dynamic table"):
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require_aarch64_elf(data, "loggerd")
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