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|
try:
import ctypes
except ImportError:
ctypes = None
import os
import pathlib
import platform
import sys
import types
import warnings
import pretend
import pytest
from packaging import _manylinux
from packaging._manylinux import (
_get_glibc_version,
_glibc_version_string,
_glibc_version_string_confstr,
_glibc_version_string_ctypes,
_is_compatible,
_parse_elf,
_parse_glibc_version,
)
@pytest.fixture(autouse=True)
def clear_lru_cache():
yield
_get_glibc_version.cache_clear()
@pytest.fixture
def manylinux_module(monkeypatch):
monkeypatch.setattr(_manylinux, "_get_glibc_version", lambda *args: (2, 20))
module_name = "_manylinux"
module = types.ModuleType(module_name)
monkeypatch.setitem(sys.modules, module_name, module)
return module
@pytest.mark.parametrize("tf", (True, False))
@pytest.mark.parametrize(
"attribute,glibc", (("1", (2, 5)), ("2010", (2, 12)), ("2014", (2, 17)))
)
def test_module_declaration(monkeypatch, manylinux_module, attribute, glibc, tf):
manylinux = f"manylinux{attribute}_compatible"
monkeypatch.setattr(manylinux_module, manylinux, tf, raising=False)
res = _is_compatible("x86_64", glibc)
assert tf is res
@pytest.mark.parametrize(
"attribute,glibc", (("1", (2, 5)), ("2010", (2, 12)), ("2014", (2, 17)))
)
def test_module_declaration_missing_attribute(
monkeypatch, manylinux_module, attribute, glibc
):
manylinux = f"manylinux{attribute}_compatible"
monkeypatch.delattr(manylinux_module, manylinux, raising=False)
assert _is_compatible("x86_64", glibc)
@pytest.mark.parametrize(
"version,compatible", (((2, 0), True), ((2, 5), True), ((2, 10), False))
)
def test_is_manylinux_compatible_glibc_support(version, compatible, monkeypatch):
monkeypatch.setitem(sys.modules, "_manylinux", None)
monkeypatch.setattr(_manylinux, "_get_glibc_version", lambda: (2, 5))
assert bool(_is_compatible("any", version)) == compatible
@pytest.mark.parametrize("version_str", ["glibc-2.4.5", "2"])
def test_check_glibc_version_warning(version_str):
with warnings.catch_warnings(record=True) as w:
_parse_glibc_version(version_str)
assert len(w) == 1
assert issubclass(w[0].category, RuntimeWarning)
@pytest.mark.skipif(not ctypes, reason="requires ctypes")
@pytest.mark.parametrize(
"version_str,expected",
[
# Be very explicit about bytes and Unicode for Python 2 testing.
(b"2.4", "2.4"),
("2.4", "2.4"),
],
)
def test_glibc_version_string(version_str, expected, monkeypatch):
class LibcVersion:
def __init__(self, version_str):
self.version_str = version_str
def __call__(self):
return version_str
class ProcessNamespace:
def __init__(self, libc_version):
self.gnu_get_libc_version = libc_version
process_namespace = ProcessNamespace(LibcVersion(version_str))
monkeypatch.setattr(ctypes, "CDLL", lambda _: process_namespace)
monkeypatch.setattr(_manylinux, "_glibc_version_string_confstr", lambda: False)
assert _glibc_version_string() == expected
del process_namespace.gnu_get_libc_version
assert _glibc_version_string() is None
def test_glibc_version_string_confstr(monkeypatch):
monkeypatch.setattr(os, "confstr", lambda x: "glibc 2.20", raising=False)
assert _glibc_version_string_confstr() == "2.20"
def test_glibc_version_string_fail(monkeypatch):
monkeypatch.setattr(os, "confstr", lambda x: None, raising=False)
monkeypatch.setitem(sys.modules, "ctypes", None)
assert _glibc_version_string() is None
assert _get_glibc_version() == (-1, -1)
@pytest.mark.parametrize(
"failure",
[pretend.raiser(ValueError), pretend.raiser(OSError), lambda x: "XXX"],
)
def test_glibc_version_string_confstr_fail(monkeypatch, failure):
monkeypatch.setattr(os, "confstr", failure, raising=False)
assert _glibc_version_string_confstr() is None
def test_glibc_version_string_confstr_missing(monkeypatch):
monkeypatch.delattr(os, "confstr", raising=False)
assert _glibc_version_string_confstr() is None
def test_glibc_version_string_ctypes_missing(monkeypatch):
monkeypatch.setitem(sys.modules, "ctypes", None)
assert _glibc_version_string_ctypes() is None
@pytest.mark.xfail(ctypes is None, reason="ctypes not available")
def test_glibc_version_string_ctypes_raise_oserror(monkeypatch):
def patched_cdll(name):
raise OSError("Dynamic loading not supported")
monkeypatch.setattr(ctypes, "CDLL", patched_cdll)
assert _glibc_version_string_ctypes() is None
@pytest.mark.skipif(platform.system() != "Linux", reason="requires Linux")
def test_is_manylinux_compatible_old():
# Assuming no one is running this test with a version of glibc released in
# 1997.
assert _is_compatible("any", (2, 0))
def test_is_manylinux_compatible(monkeypatch):
monkeypatch.setattr(_manylinux, "_glibc_version_string", lambda: "2.4")
assert _is_compatible("any", (2, 4))
def test_glibc_version_string_none(monkeypatch):
monkeypatch.setattr(_manylinux, "_glibc_version_string", lambda: None)
assert not _is_compatible("any", (2, 4))
@pytest.mark.parametrize(
"content", [None, "invalid-magic", "invalid-class", "invalid-data", "too-short"]
)
def test_parse_elf_bad_executable(monkeypatch, content):
if content:
path = pathlib.Path(__file__).parent / "manylinux" / f"hello-world-{content}"
path = os.fsdecode(path)
else:
path = None
with _parse_elf(path) as ef:
assert ef is None
|
