test: interaction-model end-to-end suite with a requirements manifest (#2691)

src/mcp/server/mcpserver/context.py

@@ -94,7 +94,7 @@ class Context(BaseModel, Generic[LifespanContextT, RequestT]):
         """
         progress_token = self.request_context.meta.get("progress_token") if self.request_context.meta else None
 
-        if progress_token is None:  # pragma: no cover
+        if progress_token is None:
             return
 
         await self.request_context.session.send_progress_notification(
@@ -242,7 +242,7 @@ class Context(BaseModel, Generic[LifespanContextT, RequestT]):
             This is a no-op if not using StreamableHTTP transport with event_store.
             The callback is only available when event_store is configured.
         """
-        if self._request_context and self._request_context.close_sse_stream:  # pragma: no cover
+        if self._request_context and self._request_context.close_sse_stream:  # pragma: no branch
             await self._request_context.close_sse_stream()
 
     async def close_standalone_sse_stream(self) -> None:

src/mcp/server/mcpserver/prompts/base.py

@@ -185,5 +185,5 @@ class Prompt(BaseModel):
                     raise ValueError(f"Could not convert prompt result to message: {msg}")
 
             return messages
-        except Exception as e:  # pragma: no cover
+        except Exception as e:
             raise ValueError(f"Error rendering prompt {self.name}: {e}")

src/mcp/server/mcpserver/server.py

@@ -244,7 +244,7 @@ class MCPServer(Generic[LifespanResultT]):
         Raises:
             RuntimeError: If called before streamable_http_app() has been called.
         """
-        return self._lowlevel_server.session_manager  # pragma: no cover
+        return self._lowlevel_server.session_manager
 
     @overload
     def run(self, transport: Literal["stdio"] = ...) -> None: ...