chore: add D212 lint rule to enforce Google-style docstrings (#1892)

tests/server/auth/middleware/test_auth_context.py

@@ -1,6 +1,4 @@
-"""
-Tests for the AuthContext middleware components.
-"""
+"""Tests for the AuthContext middleware components."""
 
 import time
 

tests/server/auth/middleware/test_bearer_auth.py

@@ -1,6 +1,4 @@
-"""
-Tests for the BearerAuth middleware components.
-"""
+"""Tests for the BearerAuth middleware components."""
 
 import time
 from typing import Any, cast

tests/server/auth/test_error_handling.py

@@ -1,6 +1,4 @@
-"""
-Tests for OAuth error handling in the auth handlers.
-"""
+"""Tests for OAuth error handling in the auth handlers."""
 
 import base64
 import hashlib

tests/server/auth/test_protected_resource.py

@@ -1,6 +1,4 @@
-"""
-Integration tests for MCP Oauth Protected Resource.
-"""
+"""Integration tests for MCP Oauth Protected Resource."""
 
 from urllib.parse import urlparse
 

tests/server/auth/test_provider.py

@@ -1,6 +1,4 @@
-"""
-Tests for mcp.server.auth.provider module.
-"""
+"""Tests for mcp.server.auth.provider module."""
 
 from mcp.server.auth.provider import construct_redirect_uri
 

tests/server/fastmcp/auth/__init__.py

@@ -1,3 +1 @@
-"""
-Tests for the MCP server auth components.
-"""
+"""Tests for the MCP server auth components."""

tests/server/fastmcp/auth/test_auth_integration.py

@@ -1,6 +1,4 @@
-"""
-Integration tests for MCP authorization components.
-"""
+"""Integration tests for MCP authorization components."""
 
 import base64
 import hashlib

tests/server/fastmcp/test_elicitation.py

@@ -1,6 +1,4 @@
-"""
-Test the elicitation feature using stdio transport.
-"""
+"""Test the elicitation feature using stdio transport."""
 
 from typing import Any
 

tests/server/fastmcp/test_func_metadata.py

@@ -448,8 +448,7 @@ def test_complex_function_json_schema():
 
 
 def test_str_vs_int():
-    """
-    Test that string values are kept as strings even when they contain numbers,
+    """Test that string values are kept as strings even when they contain numbers,
     while numbers are parsed correctly.
     """
 
@@ -463,8 +462,7 @@ def test_str_vs_int():
 
 
 def test_str_annotation_preserves_json_string():
-    """
-    Regression test for PR #1113: Ensure that when a parameter is annotated as str,
+    """Regression test for PR #1113: Ensure that when a parameter is annotated as str,
     valid JSON strings are NOT parsed into Python objects.
 
     This test would fail before the fix (JSON string would be parsed to dict)
@@ -514,8 +512,7 @@ def test_str_annotation_preserves_json_string():
 
 @pytest.mark.anyio
 async def test_str_annotation_runtime_validation():
-    """
-    Regression test for PR #1113: Test runtime validation with string parameters
+    """Regression test for PR #1113: Test runtime validation with string parameters
     containing valid JSON to ensure they are passed as strings, not parsed objects.
     """
 

tests/server/fastmcp/test_integration.py

@@ -1,5 +1,4 @@
-"""
-Integration tests for FastMCP server functionality.
+"""Integration tests for FastMCP server functionality.
 
 These tests validate the proper functioning of FastMCP features using focused,
 single-feature servers across different transports (SSE and StreamableHTTP).

tests/server/test_completion_with_context.py

@@ -1,6 +1,4 @@
-"""
-Tests for completion handler with context functionality.
-"""
+"""Tests for completion handler with context functionality."""
 
 from typing import Any
 

tests/server/test_session_race_condition.py

@@ -1,5 +1,4 @@
-"""
-Test for race condition fix in initialization flow.
+"""Test for race condition fix in initialization flow.
 
 This test verifies that requests can be processed immediately after
 responding to InitializeRequest, without waiting for InitializedNotification.
@@ -20,8 +19,7 @@ from mcp.types import ServerCapabilities, Tool
 
 @pytest.mark.anyio
 async def test_request_immediately_after_initialize_response():
-    """
-    Test that requests are accepted immediately after initialize response.
+    """Test that requests are accepted immediately after initialize response.
 
     This reproduces the race condition in stateful HTTP mode where:
     1. Client sends InitializeRequest