style: apply ruff formatting to source and test files

tests/api/conftest.py

@@ -1,6 +1,6 @@
 """API test fixtures."""
 
-from typing import AsyncGenerator
+from collections.abc import AsyncGenerator
 from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
@@ -25,7 +25,7 @@ def mock_keycloak_client() -> MagicMock:
 
 
 @pytest.fixture
-async def client(mock_keycloak_client: MagicMock) -> AsyncGenerator[AsyncClient, None]:
+async def client(mock_keycloak_client: MagicMock) -> AsyncGenerator[AsyncClient]:
     """Create async HTTP client for API testing."""
     with patch(
         "app.presentation.api.deps.KeycloakAuthClient",

tests/e2e/conftest.py

@@ -1,14 +1,14 @@
 # E2E test fixtures
 # Provides: full application state, end-to-end workflows, cleanup
 
-from typing import AsyncGenerator
+from collections.abc import AsyncGenerator
 
 import pytest
 from fastapi import FastAPI
 
 
 @pytest.fixture
-async def e2e_app() -> AsyncGenerator[FastAPI, None]:
+async def e2e_app() -> AsyncGenerator[FastAPI]:
     """Create full application instance for E2E testing."""
     from app.main import app_factory
 

tests/integration/conftest.py

@@ -1,6 +1,6 @@
 """Integration test fixtures."""
 
-from typing import AsyncGenerator
+from collections.abc import AsyncGenerator
 
 import pytest
 from sqlalchemy.ext.asyncio import (
@@ -39,7 +39,7 @@ def session_factory(engine: AsyncEngine) -> async_sessionmaker[AsyncSession]:
 
 
 @pytest.fixture(autouse=True)
-async def setup_db(engine: AsyncEngine) -> AsyncGenerator[None, None]:
+async def setup_db(engine: AsyncEngine) -> AsyncGenerator[None]:
     """Setup database tables for each test."""
     async with engine.begin() as conn:
         await conn.run_sync(Base.metadata.create_all)
@@ -51,7 +51,7 @@ async def setup_db(engine: AsyncEngine) -> AsyncGenerator[None, None]:
 @pytest.fixture
 async def db_session(
     session_factory: async_sessionmaker[AsyncSession],
-) -> AsyncGenerator[AsyncSession, None]:
+) -> AsyncGenerator[AsyncSession]:
     """Create database session for testing."""
     async with session_factory() as session:
         yield session

tests/unit/infrastructure/test_auth.py

@@ -123,9 +123,7 @@ class TestKeycloakAuthClient:
         """Create Keycloak client."""
         return KeycloakAuthClient(settings)
 
-    def test_client_initialization(
-        self, client: KeycloakAuthClient, settings: Settings
-    ) -> None:
+    def test_client_initialization(self, client: KeycloakAuthClient, settings: Settings) -> None:
         """Test client initialization."""
         assert client._settings == settings
         assert client._base_url == "http://localhost:8080/realms/test-realm"
@@ -144,10 +142,7 @@ class TestKeycloakAuthClient:
     def test_get_userinfo_url(self, client: KeycloakAuthClient) -> None:
         """Test userinfo URL generation."""
         url = client._get_userinfo_url()
-        assert (
-            url
-            == "http://localhost:8080/realms/test-realm/protocol/openid-connect/userinfo"
-        )
+        assert url == "http://localhost:8080/realms/test-realm/protocol/openid-connect/userinfo"
 
     @pytest.mark.asyncio
     async def test_introspect_token_success(self, client: KeycloakAuthClient) -> None:
@@ -196,18 +191,14 @@ class TestKeycloakAuthClient:
         assert result.is_valid is False
 
     @pytest.mark.asyncio
-    async def test_introspect_token_http_error(
-        self, client: KeycloakAuthClient
-    ) -> None:
+    async def test_introspect_token_http_error(self, client: KeycloakAuthClient) -> None:
         """Test introspection with HTTP error."""
         import httpx
 
         mock_async_client = AsyncMock()
         mock_async_client.__aenter__ = AsyncMock(return_value=mock_async_client)
         mock_async_client.__aexit__ = AsyncMock(return_value=None)
-        mock_async_client.post = AsyncMock(
-            side_effect=httpx.HTTPError("Connection error")
-        )
+        mock_async_client.post = AsyncMock(side_effect=httpx.HTTPError("Connection error"))
 
         with patch("httpx.AsyncClient", return_value=mock_async_client):
             result = await client.introspect_token("test-token")
@@ -216,9 +207,7 @@ class TestKeycloakAuthClient:
         assert result.is_valid is False
 
     @pytest.mark.asyncio
-    async def test_introspect_token_uses_cache(
-        self, client: KeycloakAuthClient
-    ) -> None:
+    async def test_introspect_token_uses_cache(self, client: KeycloakAuthClient) -> None:
         """Test that token introspection uses cache."""
         mock_response = Mock()
         mock_response.json.return_value = {
@@ -283,9 +272,7 @@ class TestKeycloakAuthClient:
         mock_async_client = AsyncMock()
         mock_async_client.__aenter__ = AsyncMock(return_value=mock_async_client)
         mock_async_client.__aexit__ = AsyncMock(return_value=None)
-        mock_async_client.get = AsyncMock(
-            side_effect=httpx.HTTPError("Connection error")
-        )
+        mock_async_client.get = AsyncMock(side_effect=httpx.HTTPError("Connection error"))
 
         with patch("httpx.AsyncClient", return_value=mock_async_client):
             result = await client.get_userinfo("test-token")
@@ -293,9 +280,7 @@ class TestKeycloakAuthClient:
         assert result is None
 
     @pytest.mark.asyncio
-    async def test_introspect_token_no_realm_roles(
-        self, client: KeycloakAuthClient
-    ) -> None:
+    async def test_introspect_token_no_realm_roles(self, client: KeycloakAuthClient) -> None:
         """Test introspection without realm_access roles."""
         mock_response = Mock()
         mock_response.json.return_value = {

tests/unit/infrastructure/test_config.py

@@ -129,10 +129,7 @@ class TestSettings:
             security=SecurityConfig(secret_key="test"),
             kc=KCConfig(client_secret="test"),
         )
-        assert (
-            s.database_url
-            == "postgresql+asyncpg://admin:secret@db.example.com:5433/mydb"
-        )
+        assert s.database_url == "postgresql+asyncpg://admin:secret@db.example.com:5433/mydb"
 
     def test_database_url_override(self) -> None:
         """Test that explicit database URL overrides auto-building."""