from pathlib import Path

import pytest

from pytest import MonkeyPatch, raises, mark

from testcontainers.core import utils

def test_setup_logger() -> None:

assert utils.setup_logger("test") is not None

@mark.parametrize("platform, expected", [("linux", "linux"), ("linux2", "linux"), ("darwin", "mac"), ("win32", "win")])

def test_os_name(monkeypatch: MonkeyPatch, platform: str, expected: str) -> None:

assert utils.os_name() is not None

monkeypatch.setattr("sys.platform", platform)

assert utils.os_name() == expected

def test_is_mac(monkeypatch: MonkeyPatch) -> None:

monkeypatch.setattr("testcontainers.core.utils.os_name", lambda: "mac")

assert utils.is_mac()

def test_is_linux(monkeypatch: MonkeyPatch) -> None:

monkeypatch.setattr("testcontainers.core.utils.os_name", lambda: "linux")

assert utils.is_linux()

def test_is_windows(monkeypatch: MonkeyPatch) -> None:

monkeypatch.setattr("testcontainers.core.utils.os_name", lambda: "win")

assert utils.is_windows()

def test_is_arm(monkeypatch: MonkeyPatch) -> None:

assert not utils.is_arm()

monkeypatch.setattr("platform.machine", lambda: "arm64")

assert utils.is_arm()

monkeypatch.setattr("platform.machine", lambda: "aarch64")

assert utils.is_arm()

def test_inside_container(monkeypatch: MonkeyPatch) -> None:

assert not utils.inside_container()

monkeypatch.setattr("os.path.exists", lambda _: True)

assert utils.inside_container()

def test_raise_for_deprecated_parameters() -> None:

kwargs = {"key": "value"}

current = "key"

replacement = "new_key"

with raises(ValueError) as e:

result = utils.raise_for_deprecated_parameter(kwargs, current, replacement)

assert str(e.value) == "Parameter 'deprecated' is deprecated and should be replaced by 'replacement'."

assert result == {}

@pytest.fixture

def fake_cgroup(monkeypatch: pytest.MonkeyPatch, tmp_path: Path) -> Path:

target = tmp_path / "cgroup"

monkeypatch.setattr(utils, "CGROUP_FILE", target)

return target

def test_get_running_container_id_empty_or_missing(fake_cgroup: Path) -> None:

# non existing does not fail but is only none

assert utils.get_running_in_container_id() is None

fake_cgroup.write_text("12:devices:/system.slice/sshd.service\n" "13:cpuset:\n")

# missing docker does also not fail

assert utils.get_running_in_container_id() is None

def test_get_running_container_id(fake_cgroup: Path) -> None:

container_id = "b78eebb08f89158ed6e2ed2fe"

fake_cgroup.write_text(f"13:cpuset:/docker/{container_id}")

assert utils.get_running_in_container_id() == container_id