"""scripts/gitea_release.py: Release-Text aus dem Changelog."""

from __future__ import annotations

import importlib.util
import re
from pathlib import Path
from types import ModuleType

import pytest

ROOT = Path(__file__).resolve().parent.parent


def _script() -> ModuleType:
    spec = importlib.util.spec_from_file_location(
        "gitea_release", ROOT / "scripts/gitea_release.py"
    )
    assert spec and spec.loader
    mod = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(mod)
    return mod


def test_every_changelog_version_has_notes() -> None:
    rel = _script()
    text = (ROOT / "CHANGELOG.md").read_text()
    versions = re.findall(r"^## \[(\d+\.\d+\.\d+)\]", text, re.M)
    assert "0.1.0" in versions
    for v in versions:
        notes = rel.changelog_section(text, v)
        assert notes and "## [" not in notes and not notes.startswith("[")


def test_section_boundaries() -> None:
    rel = _script()
    text = "## [Unreleased]\n\n## [0.2.0] – x\n\n- neu\n\n## [0.1.0] – y\n\n- alt\n\n[0.2.0]: https://e\n"
    assert rel.changelog_section(text, "0.2.0") == "- neu"
    assert rel.changelog_section(text, "0.1.0") == "- alt"
    with pytest.raises(SystemExit):
        rel.changelog_section(text, "9.9.9")