Function assert_json_rpc_error 

pub fn assert_json_rpc_error(
    response: &JsonRpcResponse,
    expected_code: Option<i32>,
)

Validates that a JSON-RPC response indicates an error.

Arguments

• response - The response to validate
• expected_code - Optional expected error code

Panics

Panics if the response is successful or has wrong error code.

Example

let response = JsonRpcResponse::error(
    Some(RequestId::Number(1)),
    McpError::method_not_found("unknown").into(),
);
assert_json_rpc_error(&response, Some(-32601));