import os
import subprocess
from pathlib import Path
import pytest
from chunkhound.utils.git_discovery import list_repo_files_via_git
pytestmark = pytest.mark.skipif(
subprocess.run(["which", "git"], stdout=subprocess.DEVNULL).returncode != 0,
reason="git required",
)
def _git(repo: Path, *args: str, check: bool = True) -> subprocess.CompletedProcess:
return subprocess.run(
["git", "-C", str(repo), *args],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
check=check,
)
def _git_init(repo: Path) -> None:
repo.mkdir(parents=True, exist_ok=True)
subprocess.run(
["git", "init"], cwd=str(repo), check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
_git(repo, "config", "user.email", "ci@example.com")
_git(repo, "config", "user.name", "CI")
def test_git_pathspec_cap_falls_back_to_subtree(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
repo = tmp_path / "repo"
_git_init(repo)
# create a couple of trivial files to keep git happy
(repo / "a.py").write_text("print(1)\n")
(repo / "b.txt").write_text("x\n")
_git(repo, "add", "-A")
_git(repo, "commit", "-m", "init")
# Build many include patterns to exceed CAP
includes = [f"**/*.{i:03d}x" for i in range(20)] + [f"**/name{i:03d}.cfg" for i in range(20)]
# Force a small CAP to trigger the fallback
monkeypatch.setenv("CHUNKHOUND_INDEXING__GIT_PATHSPEC_CAP", "2")
files, stats = list_repo_files_via_git(repo, repo, include_patterns=includes, config_excludes=[])
# We only care about counters here; coverage may be empty due to synthetic patterns
assert isinstance(stats.get("git_pathspecs"), int)
assert stats["git_pathspecs"] <= 2 # capped
# Optional flag should be present when capped
assert stats.get("git_pathspecs_capped", False) is True
