Add ORFS Integration test

ROADMAP.md

@@ -56,7 +56,7 @@ The pre-release phase focuses on:
 ### Quality & Testing
 - [x] Core test suite (80%+ coverage)
 - [x] Type hints on all public APIs
-- [ ] Integration tests with real ORFS flows
+- [x] Integration tests with real ORFS flows
 - [ ] Performance benchmarking suite
 - [ ] Load testing (50+ concurrent sessions)
 - [ ] Memory leak detection
@@ -192,7 +192,7 @@ We welcome community involvement at every stage:
 
 ---
 
-**Last Updated:** 2025-12-08
+**Last Updated:** 2026-02-23
 **Current Phase:** Phase 1 (Pre-Release → v0.5)
 
 *This roadmap is a living document and will evolve based on community feedback and priorities.*

src/openroad_mcp/core/manager.py

@@ -21,18 +21,18 @@ def safe_decode(data: bytes, encoding: str = "utf-8", errors: str = "replace") -
         """Safely decode bytes to string with error handling for unicode issues."""
         return data.decode(encoding, errors=errors)
 
-    def __new__(cls) -> "OpenROADManager":
+    def __new__(cls, **_kwargs: object) -> "OpenROADManager":
         if cls._instance is None:
             cls._instance = super().__new__(cls)
         return cls._instance
 
-    def __init__(self) -> None:
+    def __init__(self, max_sessions: int | None = None) -> None:
         if not hasattr(self, "initialized"):
             self.initialized = True
             self.logger = get_logger("manager")
 
             self._sessions: dict[str, InteractiveSession | None] = {}
-            self._max_sessions = settings.MAX_SESSIONS
+            self._max_sessions = max_sessions if max_sessions is not None else settings.MAX_SESSIONS
             self._default_timeout_ms = int(settings.COMMAND_TIMEOUT * 1000)
             self._default_buffer_size = settings.DEFAULT_BUFFER_SIZE
             self._cleanup_lock = asyncio.Lock()
@@ -70,6 +70,8 @@ async def create_session(
                 actual_buffer_size = buffer_size or self._default_buffer_size
                 session = InteractiveSession(session_id, buffer_size=actual_buffer_size)
                 await session.start(command, env, cwd)
+                await asyncio.sleep(settings.COMMAND_COMPLETION_DELAY * 1.5)
+                await session.output_buffer.drain_all()
 
                 self._sessions[session_id] = session
                 self.logger.info(f"Created session {session_id}, total sessions: {len(self._sessions)}")

tests/integration/conftest.py

@@ -1,36 +1,44 @@
 """Pytest configuration for integration tests without mocks."""
 
 import asyncio
+import os
 from collections.abc import AsyncGenerator
+from contextlib import asynccontextmanager
 
-import pytest
 import pytest_asyncio
 from mcp import ClientSession, StdioServerParameters
 from mcp.client.stdio import stdio_client
 
 
-@pytest.fixture(scope="session")
-def event_loop():
-    """Create an event loop for the test session."""
-    loop = asyncio.new_event_loop()
-    yield loop
-    loop.close()
-
-
-@pytest_asyncio.fixture(scope="function")
-async def mcp_client() -> AsyncGenerator[ClientSession]:
-    """Fixture providing a MCP client session."""
-    server_params = StdioServerParameters(command="python", args=["-m", "openroad_mcp.main"], env=None)
-
+@asynccontextmanager
+async def _mcp_session(server_params: StdioServerParameters):
+    """Shared async context manager for MCP client sessions with cancel-scope guard."""
     try:
         async with stdio_client(server_params) as (read, write):
             async with ClientSession(read, write) as session:
                 await session.initialize()
                 await asyncio.sleep(1.0)
                 yield session
     except RuntimeError as e:
-        if "cancel scope" in str(e):
-            # Skip teardown exception (openroad-mcp handles their own teardown)
+        # anyio emits a RuntimeError on cancel-scope teardown when the MCP
+        # server subprocess exits
+        if "cancel scope" in str(e).lower():
             pass
         else:
             raise
+
+
+@pytest_asyncio.fixture(scope="function")
+async def mcp_client() -> AsyncGenerator[ClientSession]:
+    """Fixture providing a MCP client session."""
+    server_params = StdioServerParameters(
+        command="python",
+        args=["-m", "openroad_mcp.main"],
+        env={
+            **os.environ,
+            "OPENROAD_ENABLE_COMMAND_VALIDATION": "false",
+        },
+    )
+
+    async with _mcp_session(server_params) as session:
+        yield session