from pathlib import Path

from scripts.drift_check.semver import parse_version

from scripts.drift_check.snapshot import build_local_snapshot

from scripts.drift_check.types import DriftConfig

from tests.conftest import FIXTURES

META = parse_version("1.6.3")

assert META is not None

DEFAULT_CFG = DriftConfig(globals={"signal_policy": "same-major-minor"})

def test_clean_repo_full_snapshot():

snap = build_local_snapshot(FIXTURES / "clean_repo", META, "HEAD", DEFAULT_CFG)

assert snap.repo_type == "cursor-plugin"

paths = {str(p).replace("\\", "/") for p in snap.files}

assert "AGENTS.md" in paths

assert "CLAUDE.md" in paths

assert "skills/sample/SKILL.md" in paths

assert "rules/sample.mdc" in paths

for fs in snap.files.values():

assert fs.signal is not None

assert fs.signal.version is not None

def test_mcp_repo_only_claude():

snap = build_local_snapshot(FIXTURES / "mcp_repo", META, "HEAD", DEFAULT_CFG)

assert snap.repo_type == "mcp-server"

assert len(snap.files) == 1

(p, fs), = snap.files.items()

assert str(p).replace("\\", "/") == "CLAUDE.md"

assert fs.signal is not None and fs.signal.version is not None

def test_broken_repo_wrong_position_signals_not_detected():

snap = build_local_snapshot(FIXTURES / "broken_repo", META, "HEAD", DEFAULT_CFG)

# AGENTS.md has no signal -> None

agents = snap.files[Path("AGENTS.md")]

assert agents.signal is None

# CLAUDE.md has malformed signal -> SignalResult with malformed=True

claude = snap.files[Path("CLAUDE.md")]

assert claude.signal is not None and claude.signal.malformed

# wrongpos SKILL.md has the key in the body, not frontmatter -> None

wrongpos_skill = snap.files[Path("skills/wrongpos/SKILL.md")]

assert wrongpos_skill.signal is None

wrongpos_rule = snap.files[Path("rules/wrongpos.mdc")]

assert wrongpos_rule.signal is None

def test_ignored_repo_pragmas_extracted():

snap = build_local_snapshot(FIXTURES / "ignored_repo", META, "HEAD", DEFAULT_CFG)

agents = snap.files[Path("AGENTS.md")]

assert any(p.check_name == "version-signal" for p in agents.pragmas)

short = snap.files[Path("skills/shortform/SKILL.md")]

assert any(p.format == "yaml-short" for p in short.pragmas)

longf = snap.files[Path("skills/longform/SKILL.md")]

assert any(p.format == "yaml-long" and p.check_name == "version-signal" for p in longf.pragmas)

def test_nonexistent_repo_raises(tmp_path: Path):

import pytest

with pytest.raises(FileNotFoundError):

build_local_snapshot(tmp_path / "nope", META, "HEAD", DEFAULT_CFG)

def test_empty_repo_unknown_type(tmp_path: Path):

import io

warn = io.StringIO()

snap = build_local_snapshot(tmp_path, META, "HEAD", DEFAULT_CFG, warn_stream=warn)

assert snap.repo_type == "unknown"

assert snap.files == {}

assert "unknown" in warn.getvalue()