central/tests/test_config_source.py
2026-05-16 22:26:12 +00:00

132 lines
4.5 KiB
Python

"""Tests for configuration source abstraction."""
import base64
import os
from pathlib import Path
import asyncpg
import pytest
import pytest_asyncio
from central.config_source import (
ConfigSource,
DbConfigSource,
)
from central.crypto import KEY_SIZE, clear_key_cache
# Test database DSN
TEST_DB_DSN = os.environ.get(
"CENTRAL_TEST_DB_DSN",
"postgresql://central_test:testpass@localhost/central_test",
)
@pytest.fixture(scope="session")
def master_key_path(tmp_path_factory: pytest.TempPathFactory) -> Path:
"""Create a master key file for the test session."""
key = os.urandom(KEY_SIZE)
key_path = tmp_path_factory.mktemp("keys") / "master.key"
key_path.write_text(base64.b64encode(key).decode())
return key_path
@pytest.fixture(autouse=True)
def setup_master_key(master_key_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
"""Configure master key path for all tests."""
clear_key_cache()
monkeypatch.setenv("CENTRAL_DB_DSN", TEST_DB_DSN)
monkeypatch.setenv("CENTRAL_MASTER_KEY_PATH", str(master_key_path))
@pytest_asyncio.fixture
async def db_conn() -> asyncpg.Connection:
"""Get a direct database connection for setup/teardown."""
conn = await asyncpg.connect(TEST_DB_DSN)
yield conn
await conn.close()
@pytest_asyncio.fixture
async def clean_config_schema(db_conn: asyncpg.Connection) -> None:
"""Ensure config schema exists and is clean before each test."""
await db_conn.execute("CREATE SCHEMA IF NOT EXISTS config")
await db_conn.execute("""
CREATE TABLE IF NOT EXISTS config.adapters (
name TEXT PRIMARY KEY,
enabled BOOLEAN NOT NULL DEFAULT true,
cadence_s INTEGER NOT NULL,
settings JSONB NOT NULL DEFAULT '{}'::jsonb,
paused_at TIMESTAMPTZ,
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
)
""")
await db_conn.execute("DELETE FROM config.adapters")
class TestDbConfigSource:
"""Tests for database-backed config source."""
@pytest_asyncio.fixture
async def db_source(self, clean_config_schema: None) -> DbConfigSource:
"""Create a DbConfigSource for testing."""
source = await DbConfigSource.create(TEST_DB_DSN)
yield source
await source.close()
@pytest.mark.asyncio
async def test_list_enabled_adapters_empty(self, db_source: DbConfigSource) -> None:
"""list_enabled_adapters returns empty list when no adapters."""
adapters = await db_source.list_enabled_adapters()
assert adapters == []
@pytest.mark.asyncio
async def test_list_enabled_adapters(
self, db_source: DbConfigSource, db_conn: asyncpg.Connection
) -> None:
"""list_enabled_adapters returns only enabled, non-paused adapters."""
# Insert test adapters
await db_conn.execute("""
INSERT INTO config.adapters (name, enabled, cadence_s, settings)
VALUES
('enabled_adapter', true, 60, '{"key": "value"}'::jsonb),
('disabled_adapter', false, 60, '{}'::jsonb),
('paused_adapter', true, 60, '{}'::jsonb)
""")
await db_conn.execute("""
UPDATE config.adapters
SET paused_at = now()
WHERE name = 'paused_adapter'
""")
adapters = await db_source.list_enabled_adapters()
assert len(adapters) == 1
assert adapters[0].name == "enabled_adapter"
@pytest.mark.asyncio
async def test_get_adapter(
self, db_source: DbConfigSource, db_conn: asyncpg.Connection
) -> None:
"""get_adapter returns correct adapter config."""
await db_conn.execute("""
INSERT INTO config.adapters (name, enabled, cadence_s, settings)
VALUES ('test_adapter', true, 120, '{"states": ["ID"]}'::jsonb)
""")
adapter = await db_source.get_adapter("test_adapter")
assert adapter is not None
assert adapter.name == "test_adapter"
assert adapter.cadence_s == 120
assert adapter.settings == {"states": ["ID"]}
@pytest.mark.asyncio
async def test_get_nonexistent_adapter(self, db_source: DbConfigSource) -> None:
"""get_adapter returns None for nonexistent adapter."""
adapter = await db_source.get_adapter("does_not_exist")
assert adapter is None
@pytest.mark.asyncio
async def test_implements_protocol(self, db_source: DbConfigSource) -> None:
"""DbConfigSource implements ConfigSource protocol."""
assert isinstance(db_source, ConfigSource)