from pathlib import Path

from arm_statements.version import statements_version

FULL_HASH = "abc1234def5678abc1234def5678abc1234def56"


def test_version_absent_in_source() -> None:
    assert statements_version() is None


def test_version_read_from_file(tmp_path: Path) -> None:
    marker = tmp_path / "VERSION"
    marker.write_text(f"{FULL_HASH}\n", encoding="utf-8")
    assert statements_version(marker) == FULL_HASH


def test_version_empty_file_is_none(tmp_path: Path) -> None:
    marker = tmp_path / "VERSION"
    marker.write_text("  \n", encoding="utf-8")
    assert statements_version(marker) is None