magi-openai 0.1.0

OpenAI compatible API SDK for Magi AI agents
Documentation 
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use std::sync::Arc;

use rmcp::model::Tool as RmcpTool;

use crate::completions::request::{FunctionTool, Tool, ToolType};

impl From<RmcpTool> for Tool {
    fn from(rmcp_tool: RmcpTool) -> Self {
        Tool {
            r#type: ToolType::Function,
            function: FunctionTool {
                name: rmcp_tool.name.clone(),
                description: rmcp_tool.description,
                parameters: Some(serde_json::to_value(&*rmcp_tool.input_schema).unwrap()),
            },
        }
    }
}

impl From<Tool> for RmcpTool {
    fn from(tool: Tool) -> Self {
        let input_schema: Arc<rmcp::model::JsonObject> = match tool.function.parameters {
            Some(params) => serde_json::from_value(params).unwrap_or_default(),
            None => Default::default(),
        };
        RmcpTool::new_with_raw(
            tool.function.name.clone(),
            tool.function.description.clone(),
            input_schema,
        )
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use serde_json::json;
    use std::borrow::Cow;

    #[test]
    fn test_convert_rmcp_tool_to_openai_tool() {
        // Create a sample RmcpTool
        let rmcp_tool = RmcpTool::new(
            "get_weather",
            "Get the current weather in a location",
            Arc::new(
                serde_json::from_value::<rmcp::model::JsonObject>(json!({
                    "type": "object",
                    "properties": {
                        "location": {
                            "type": "string",
                            "description": "The city and state, e.g. San Francisco, CA"
                        },
                        "unit": {
                            "type": "string",
                            "enum": ["celsius", "fahrenheit"]
                        }
                    },
                    "required": ["location"]
                }))
                .unwrap(),
            ),
        );

        // Convert to OpenAI Tool
        let openai_tool: Tool = rmcp_tool.into();

        // Verify conversion
        assert_eq!(openai_tool.r#type, ToolType::Function);
        assert_eq!(openai_tool.function.name, "get_weather");
        assert_eq!(
            openai_tool.function.description,
            Some(Cow::from("Get the current weather in a location"))
        );

        let params = openai_tool.function.parameters.unwrap();
        assert_eq!(params["type"], "object");
        assert!(params["properties"].is_object());
        assert!(params["properties"]["location"].is_object());
        assert_eq!(params["properties"]["location"]["type"], "string");
        assert!(params["required"].is_array());
        assert_eq!(params["required"][0], "location");
    }

    #[test]
    fn test_convert_openai_tool_to_rmcp_tool() {
        // Create a sample OpenAI Tool
        let openai_tool = Tool {
            r#type: ToolType::Function,
            function: FunctionTool {
                name: "get_weather".into(),
                description: Some("Get the current weather in a location".into()),
                parameters: Some(json!({
                    "type": "object",
                    "properties": {
                        "location": {
                            "type": "string",
                            "description": "The city and state, e.g. San Francisco, CA"
                        },
                        "unit": {
                            "type": "string",
                            "enum": ["celsius", "fahrenheit"]
                        }
                    },
                    "required": ["location"]
                })),
            },
        };

        // Convert to RmcpTool
        let rmcp_tool: RmcpTool = openai_tool.into();

        // Verify conversion
        assert_eq!(rmcp_tool.name, "get_weather");
        assert_eq!(
            rmcp_tool.description,
            Some("Get the current weather in a location".into())
        );

        let schema = &*rmcp_tool.input_schema;
        assert!(schema.contains_key("type"));
        assert!(schema.contains_key("properties"));
        assert!(schema.contains_key("required"));

        // Verify it can be converted back to JSON
        let json_value = serde_json::to_value(&*rmcp_tool.input_schema).unwrap();
        assert_eq!(json_value["type"], "object");
        assert!(json_value["properties"].is_object());
        assert!(json_value["properties"]["location"].is_object());
    }

    #[test]
    fn test_handle_none_parameters() {
        // Create a tool with None parameters
        let openai_tool = Tool {
            r#type: ToolType::Function,
            function: FunctionTool {
                name: "simple_tool".into(),
                description: Some("A tool with no parameters".into()),
                parameters: None,
            },
        };

        // Convert to RmcpTool
        let rmcp_tool: RmcpTool = openai_tool.into();

        // Verify conversion
        assert_eq!(rmcp_tool.name, "simple_tool");
        assert_eq!(
            rmcp_tool.description,
            Some("A tool with no parameters".into())
        );

        // The input_schema should be empty but valid
        assert!(rmcp_tool.input_schema.is_empty());
    }
}