64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
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from __future__ import annotations
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import platform
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import subprocess
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from typing import Any
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import pytest
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from cibuildwheel.util import python_build_standalone as pbs
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TYPE_CHECKING = False
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if TYPE_CHECKING:
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from collections.abc import Callable
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# Real-world `ldd --version` outputs.
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GLIBC_STDOUT = "ldd (Ubuntu GLIBC 2.35-0ubuntu3.1) 2.35\n"
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MUSL_STDERR = "musl libc (x86_64)\nVersion 1.2.4\nDynamic Program Loader\n"
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def _fake_ldd(
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stdout: str = "", stderr: str = ""
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) -> Callable[..., subprocess.CompletedProcess[str]]:
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def run(*args: Any, **kwargs: Any) -> subprocess.CompletedProcess[str]:
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return subprocess.CompletedProcess(args=args, returncode=0, stdout=stdout, stderr=stderr)
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return run
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def test_is_musl_libc_detects_musl(monkeypatch: pytest.MonkeyPatch) -> None:
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# musl's ldd prints to stderr and exits non-zero, but capture both streams
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monkeypatch.setattr(subprocess, "run", _fake_ldd(stderr=MUSL_STDERR))
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assert pbs._is_musl_libc() is True
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def test_is_musl_libc_detects_glibc(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setattr(subprocess, "run", _fake_ldd(stdout=GLIBC_STDOUT))
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assert pbs._is_musl_libc() is False
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def test_is_musl_libc_missing_ldd(monkeypatch: pytest.MonkeyPatch) -> None:
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def run(*args: Any, **kwargs: Any) -> subprocess.CompletedProcess[str]:
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msg = "ldd"
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raise FileNotFoundError(msg)
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monkeypatch.setattr(subprocess, "run", run)
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assert pbs._is_musl_libc() is False
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@pytest.mark.parametrize(
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("musl", "expected_libc"),
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[(True, "musl"), (False, "gnu")],
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)
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def test_linux_platform_identifiers_libc(
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monkeypatch: pytest.MonkeyPatch, musl: bool, expected_libc: str
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) -> None:
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monkeypatch.setattr(platform, "system", lambda: "Linux")
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monkeypatch.setattr(platform, "machine", lambda: "x86_64")
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monkeypatch.setattr(pbs, "_is_musl_libc", lambda: musl)
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arch, platform_id, libc = pbs._get_platform_identifiers()
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assert arch == "x86_64"
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assert platform_id == "unknown-linux"
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assert libc == expected_libc
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