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from __future__ import annotations
import sys
from typing import TYPE_CHECKING
import pytest
from python_discovery import PythonSpec
from python_discovery._py_info import normalize_isa
from python_discovery._specifier import SimpleSpecifierSet as SpecifierSet
if TYPE_CHECKING:
from pathlib import Path
def test_bad_py_spec() -> None:
text = "python2.3.4.5"
spec = PythonSpec.from_string_spec(text)
assert text in repr(spec)
assert spec.str_spec == text
assert spec.path == text
content = vars(spec)
del content["str_spec"]
del content["path"]
assert all(v is None for v in content.values())
def test_py_spec_first_digit_only_major() -> None:
spec = PythonSpec.from_string_spec("278")
assert spec.major == 2
assert spec.minor == 78
def test_spec_satisfies_path_ok() -> None:
spec = PythonSpec.from_string_spec(sys.executable)
assert spec.satisfies(spec) is True
def test_spec_satisfies_path_nok(tmp_path: pytest.TempPathFactory) -> None:
spec = PythonSpec.from_string_spec(sys.executable)
of = PythonSpec.from_string_spec(str(tmp_path))
assert spec.satisfies(of) is False
def test_spec_satisfies_arch() -> None:
spec_1 = PythonSpec.from_string_spec("python-32")
spec_2 = PythonSpec.from_string_spec("python-64")
assert spec_1.satisfies(spec_1) is True
assert spec_2.satisfies(spec_1) is False
def test_spec_satisfies_free_threaded() -> None:
spec_1 = PythonSpec.from_string_spec("python3.13t")
spec_2 = PythonSpec.from_string_spec("python3.13")
assert spec_1.satisfies(spec_1) is True
assert spec_1.free_threaded is True
assert spec_2.satisfies(spec_1) is False
assert spec_2.free_threaded is False
@pytest.mark.parametrize(
("req", "spec"),
[("py", "python"), ("jython", "jython"), ("CPython", "cpython")],
)
def test_spec_satisfies_implementation_ok(req: str, spec: str) -> None:
spec_1 = PythonSpec.from_string_spec(req)
spec_2 = PythonSpec.from_string_spec(spec)
assert spec_1.satisfies(spec_1) is True
assert spec_2.satisfies(spec_1) is True
def test_spec_satisfies_implementation_nok() -> None:
spec_1 = PythonSpec.from_string_spec("cpython")
spec_2 = PythonSpec.from_string_spec("jython")
assert spec_2.satisfies(spec_1) is False
assert spec_1.satisfies(spec_2) is False
def _version_satisfies_pairs() -> list[tuple[str, str]]:
target: set[tuple[str, str]] = set()
version = tuple(str(i) for i in sys.version_info[0:3])
for threading in (False, True):
for depth in range(len(version) + 1):
req = ".".join(version[0:depth])
for sub in range(depth + 1):
sat = ".".join(version[0:sub])
if sat:
target.add((req, sat))
target.add((sat, req))
if threading and sat and req:
target.add((f"{req}t", f"{sat}t"))
target.add((f"{sat}t", f"{req}t"))
return sorted(target)
@pytest.mark.parametrize(("req", "spec"), _version_satisfies_pairs())
def test_version_satisfies_ok(req: str, spec: str) -> None:
req_spec = PythonSpec.from_string_spec(f"python{req}")
sat_spec = PythonSpec.from_string_spec(f"python{spec}")
assert sat_spec.satisfies(req_spec) is True
def _version_not_satisfies_pairs() -> list[tuple[str, str]]:
target: set[tuple[str, str]] = set()
version = tuple(str(i) for i in sys.version_info[0:3])
for major in range(len(version)):
req = ".".join(version[0 : major + 1])
for minor in range(major + 1):
sat_ver: list[int] = [int(v) for v in sys.version_info[0 : minor + 1]]
for patch in range(minor + 1):
for offset in [1, -1]:
temp = sat_ver.copy()
temp[patch] += offset
if temp[patch] < 0:
continue # pragma: no cover
sat = ".".join(str(i) for i in temp)
target.add((req, sat))
return sorted(target)
@pytest.mark.parametrize(("req", "spec"), _version_not_satisfies_pairs())
def test_version_satisfies_nok(req: str, spec: str) -> None:
req_spec = PythonSpec.from_string_spec(f"python{req}")
sat_spec = PythonSpec.from_string_spec(f"python{spec}")
assert sat_spec.satisfies(req_spec) is False
def test_relative_spec(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.chdir(tmp_path)
a_relative_path = str((tmp_path / "a" / "b").relative_to(tmp_path))
spec = PythonSpec.from_string_spec(a_relative_path)
assert spec.path == a_relative_path
@pytest.mark.parametrize(
("text", "expected"),
[
(">=3.12", ">=3.12"),
("python>=3.12", ">=3.12"),
("cpython!=3.11.*", "!=3.11.*"),
("<=3.13,>=3.12", "<=3.13,>=3.12"),
],
)
def test_specifier_parsing(text: str, expected: str) -> None:
spec = PythonSpec.from_string_spec(text)
assert spec.version_specifier == SpecifierSet.from_string(expected)
def test_specifier_with_implementation() -> None:
spec = PythonSpec.from_string_spec("cpython>=3.12")
assert spec.implementation == "cpython"
assert spec.version_specifier == SpecifierSet.from_string(">=3.12")
def test_specifier_satisfies_with_partial_information() -> None:
spec = PythonSpec.from_string_spec(">=3.12")
candidate = PythonSpec.from_string_spec("python3.12")
assert candidate.satisfies(spec) is True
@pytest.mark.parametrize(
("spec_str", "expected_machine"),
[
pytest.param("cpython3.12-64-arm64", "arm64", id="arm64"),
pytest.param("cpython3.12-64-x86_64", "x86_64", id="x86_64"),
pytest.param("cpython3.12-32-x86", "x86", id="x86"),
pytest.param("cpython3.12-64-aarch64", "arm64", id="aarch64"),
pytest.param("cpython3.12-64-ppc64le", "ppc64le", id="ppc64le"),
pytest.param("cpython3.12-64-s390x", "s390x", id="s390x"),
pytest.param("cpython3.12-64-riscv64", "riscv64", id="riscv64"),
pytest.param("cpython3.12-64", None, id="no-machine"),
pytest.param("cpython3.12", None, id="no-arch-no-machine"),
pytest.param("python3.12-64-arm64", "arm64", id="python-impl"),
],
)
def test_spec_parse_machine(spec_str: str, expected_machine: str | None) -> None:
spec = PythonSpec.from_string_spec(spec_str)
assert spec.machine == expected_machine
@pytest.mark.parametrize(
("spec_str", "expected_arch", "expected_machine"),
[
pytest.param("cpython3.12-64-arm64", 64, "arm64", id="64bit-arm64"),
pytest.param("cpython3.12-32-x86", 32, "x86", id="32bit-x86"),
pytest.param("cpython3.12-64", 64, None, id="64bit-no-machine"),
],
)
def test_spec_parse_arch_and_machine_together(spec_str: str, expected_arch: int, expected_machine: str | None) -> None:
spec = PythonSpec.from_string_spec(spec_str)
assert spec.architecture == expected_arch
assert spec.machine == expected_machine
@pytest.mark.parametrize(
("left", "right", "expected"),
[
pytest.param("cpython3.12-64-arm64", "cpython3.12-64-arm64", True, id="same-machine"),
pytest.param("cpython3.12-64-arm64", "cpython3.12-64-x86_64", False, id="different-machine"),
pytest.param("cpython3.12-64-arm64", "cpython3.12-64", True, id="none-matches-any"),
pytest.param("cpython3.12-64-amd64", "cpython3.12-64-x86_64", True, id="amd64-eq-x86_64"),
pytest.param("cpython3.12-64-aarch64", "cpython3.12-64-arm64", True, id="aarch64-eq-arm64"),
],
)
def test_spec_satisfies_machine(left: str, right: str, expected: bool) -> None:
assert PythonSpec.from_string_spec(left).satisfies(PythonSpec.from_string_spec(right)) is expected
@pytest.mark.parametrize(
("isa", "normalized"),
[
pytest.param("amd64", "x86_64", id="amd64"),
pytest.param("aarch64", "arm64", id="aarch64"),
pytest.param("x86_64", "x86_64", id="x86_64"),
pytest.param("arm64", "arm64", id="arm64"),
pytest.param("x86", "x86", id="x86"),
pytest.param("ppc64le", "ppc64le", id="ppc64le"),
pytest.param("riscv64", "riscv64", id="riscv64"),
pytest.param("s390x", "s390x", id="s390x"),
],
)
def test_normalize_isa(isa: str, normalized: str) -> None:
assert normalize_isa(isa) == normalized
@pytest.mark.parametrize(
("spec_str", "in_repr"),
[
pytest.param("cpython3.12-64-arm64", "machine=arm64", id="with-machine"),
pytest.param("cpython3.12-64", "architecture=64", id="without-machine"),
],
)
def test_spec_repr_machine(spec_str: str, in_repr: str) -> None:
assert in_repr in repr(PythonSpec.from_string_spec(spec_str))
|
