Files
beads/integrations/beads-mcp/tests/test_config.py

126 lines
4.9 KiB
Python

"""Tests for beads_mcp.config module."""
from pathlib import Path
from unittest.mock import patch
import pytest
from beads_mcp.config import Config, ConfigError, load_config
class TestConfig:
"""Tests for Config class."""
def test_default_beads_path_auto_detection(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that bd is auto-detected from PATH when BEADS_PATH not set."""
# Clear BEADS_PATH if set
monkeypatch.delenv("BEADS_PATH", raising=False)
# Mock shutil.which to return a test path
with patch("shutil.which", return_value="/usr/local/bin/bd"), patch("os.access", return_value=True):
config = Config()
assert config.beads_path == "/usr/local/bin/bd"
def test_beads_path_from_env(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that BEADS_PATH environment variable is respected."""
# Create a fake bd executable
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
config = Config()
assert config.beads_path == str(bd_path)
def test_beads_path_command_name_resolution(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that command names like 'bd' are resolved via PATH."""
# Set BEADS_PATH to just "bd" (command name, not path)
monkeypatch.setenv("BEADS_PATH", "bd")
# Mock shutil.which to simulate finding bd in PATH
with patch("shutil.which", return_value="/usr/local/bin/bd"), patch("os.access", return_value=True):
config = Config()
assert config.beads_path == "/usr/local/bin/bd"
def test_beads_path_not_found(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that invalid BEADS_PATH raises ValueError."""
monkeypatch.setenv("BEADS_PATH", "/nonexistent/bd")
with pytest.raises(ValueError, match="bd executable not found"):
Config()
def test_beads_path_not_executable(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that non-executable bd raises ValueError."""
# Create a non-executable file
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o644) # rw-r--r--
monkeypatch.setenv("BEADS_PATH", str(bd_path))
with pytest.raises(ValueError, match="not executable"):
Config()
def test_beads_db_validation(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that BEADS_DB must point to existing file."""
# Create valid bd executable
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
# Set BEADS_DB to non-existent file
monkeypatch.setenv("BEADS_DB", "/nonexistent/db.sqlite")
with pytest.raises(ValueError, match="non-existent file"):
Config()
def test_beads_db_none_allowed(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that BEADS_DB can be unset (None)."""
# Create valid bd executable
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
monkeypatch.delenv("BEADS_DB", raising=False)
config = Config()
assert config.beads_db is None
def test_beads_actor_from_env(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that BEADS_ACTOR is read from environment."""
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
monkeypatch.setenv("BEADS_ACTOR", "test-user")
config = Config()
assert config.beads_actor == "test-user"
def test_auto_flags_default_false(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that auto-flush and auto-import default to False."""
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
config = Config()
assert config.beads_no_auto_flush is False
assert config.beads_no_auto_import is False
class TestLoadConfig:
"""Tests for load_config function."""
def test_load_config_success(self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that load_config returns valid Config."""
bd_path = tmp_path / "bd"
bd_path.touch(mode=0o755)
monkeypatch.setenv("BEADS_PATH", str(bd_path))
config = load_config()
assert isinstance(config, Config)
assert config.beads_path == str(bd_path)
def test_load_config_error_handling(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that load_config raises ConfigError with helpful message."""
monkeypatch.setenv("BEADS_PATH", "/nonexistent/bd")
with pytest.raises(ConfigError, match="Configuration Error"):
load_config()