parsers.rs

// SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0

use super::config::{ToolCallConfig, ToolCallParserType};
use super::harmony_parser::parse_tool_calls_harmony;
use super::json_parser::try_tool_call_parse_json;
use super::pythonic_parser::try_tool_call_parse_pythonic;
use super::response::ToolCallResponse;

pub fn try_tool_call_parse(
    message: &str,
    config: &ToolCallConfig,
) -> anyhow::Result<(Vec<ToolCallResponse>, Option<String>)> {
    // Use match statement (Rust's switch statement) to call the appropriate parser
    match config.format {
        ToolCallParserType::Json => {
            let (results, normal_content) = try_tool_call_parse_json(message, &config.json)?;
            Ok((results, normal_content))
        }
        ToolCallParserType::Harmony => {
            let (results, normal_content) = parse_tool_calls_harmony(message, &config.json)?;
            Ok((results, normal_content))
        }
        ToolCallParserType::Pythonic => {
            let (results, normal_content) = try_tool_call_parse_pythonic(message)?;
            Ok((results, normal_content))
        }
        ToolCallParserType::Typescript => {
            anyhow::bail!("Typescript parser not implemented");
        }
        ToolCallParserType::Xml => {
            anyhow::bail!("Xml parser not implemented");
        }
    }
}

// Base Detector to call for all tool parsing
pub fn detect_and_parse_tool_call(
    message: &str,
    parser_str: Option<&str>,
) -> anyhow::Result<(Vec<ToolCallResponse>, Option<String>)> {
    let mut parser_map: std::collections::HashMap<&str, ToolCallConfig> =
        std::collections::HashMap::new();
    parser_map.insert("hermes", ToolCallConfig::hermes());
    parser_map.insert("nemotron_deci", ToolCallConfig::nemotron_deci());
    parser_map.insert("llama3_json", ToolCallConfig::llama3_json());
    parser_map.insert("mistral", ToolCallConfig::mistral());
    parser_map.insert("phi4", ToolCallConfig::phi4());
    parser_map.insert("pythonic", ToolCallConfig::pythonic());
    parser_map.insert("harmony", ToolCallConfig::harmony());
    parser_map.insert("default", ToolCallConfig::default()); // Add default key

    // Handle None or empty string by defaulting to "default"
    let parser_key = match parser_str {
        Some(s) if !s.is_empty() => s,
        _ => "default", // None or empty string
    };

    match parser_map.get(parser_key) {
        Some(config) => {
            let (results, normal_content) = try_tool_call_parse(message, config)?;
            Ok((results, normal_content))
        }
        None => anyhow::bail!("Parser for the given config is not implemented"), // Original message
    }
}

// Tests
// cargo test postprocessor::tool_calling::parsers
#[cfg(test)]
mod tests {
    use super::super::config::JsonParserConfig;
    use super::*;

    fn extract_name_and_args(call: ToolCallResponse) -> (String, serde_json::Value) {
        let args: serde_json::Value = serde_json::from_str(&call.function.arguments).unwrap();
        (call.function.name, args)
    }

    #[test]
    fn parses_single_parameters_object() {
        let input = r#"{ "name": "hello", "parameters": { "x": 1, "y": 2 } }"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "hello");
        assert_eq!(args["x"], 1);
        assert_eq!(args["y"], 2);
    }

    #[test]
    fn parses_single_arguments_object() {
        let input = r#"{ "name": "world", "arguments": { "a": "abc", "b": 42 } }"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "world");
        assert_eq!(args["a"], "abc");
        assert_eq!(args["b"], 42);
    }

    #[test]
    fn parses_vec_of_parameters() {
        let input = r#"[{ "name": "first", "parameters": { "a": 1 } }, { "name": "second", "parameters": { "b": 2 } }]"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "first");
        assert_eq!(args["a"], 1);
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "second");
        assert_eq!(args["b"], 2);
    }

    #[test]
    fn parses_vec_of_arguments() {
        let input = r#"[{ "name": "alpha", "arguments": { "a": "x" } }, { "name": "omega", "arguments": { "z": "y" } }]"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "alpha");
        assert_eq!(args["a"], "x");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "omega");
        assert_eq!(args["z"], "y");
    }

    #[test]
    fn parses_toolcall_wrapped_payload() {
        let input =
            r#"<TOOLCALL>[{ "name": "wrapped", "parameters": { "foo": "bar" } }]</TOOLCALL>"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "wrapped");
        assert_eq!(args["foo"], "bar");
    }

    #[test]
    fn parses_python_tag_prefixed_payload() {
        let input = r#"<|python_tag|>{ "name": "pyfunc", "arguments": { "k": "v" } }"#;
        let (result, content) = try_tool_call_parse(
            input,
            &ToolCallConfig {
                format: ToolCallParserType::Json,
                json: JsonParserConfig {
                    tool_call_start_tokens: vec!["<|python_tag|>".to_string()],
                    tool_call_end_tokens: vec!["".to_string()],
                    ..Default::default()
                },
            },
        )
        .unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "pyfunc");
        assert_eq!(args["k"], "v");
    }

    #[test]
    fn returns_none_on_invalid_input() {
        let input = r#"not even json"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("not even json".to_string()));
        assert!(result.is_empty());
    }

    #[test]
    fn returns_none_on_valid_json_wrong_shape() {
        let input = r#"{ "foo": "bar" }"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some("{ \"foo\": \"bar\" }".to_string()));
        assert!(result.is_empty());
    }

    // Tests for real model outputs - disabled by default
    #[test]
    fn test_nvidia_llama3_nemotron_super_49b_simple() {
        let input = r#"<think>
Okay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.
</think>

<TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("nemotron_deci")).unwrap();
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        assert_eq!(content, Some("<think>\nOkay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.\n</think>".to_string()));
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_nvidia_llama3_nemotron_super_49b_simple_with_no_think() {
        let input = r#"<TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("nemotron_deci")).unwrap();
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        assert_eq!(content, Some("".to_string()));
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_nvidia_llama3_nemotron_super_49b_with_function_array() {
        let input = r#"<think>
Okay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.
</think>

<TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let config = ToolCallConfig::nemotron_deci();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("<think>\nOkay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.\n</think>".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_nvidia_llama3_nemotron_super_49b_with_function_array_with_new_lines() {
        let input = r#"<think>
Okay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.
</think>

<TOOLCALL>
[{"name": "get_weather",
 "arguments": {"location": "San Francisco, CA",
  "unit": "fahrenheit"}},
  {"name": "get_weather",
   "arguments":
  {"location": "New York, NY",
  "unit": "fahrenheit"}}]
  </TOOLCALL>
  "#;
        let config = ToolCallConfig::nemotron_deci();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("<think>\nOkay, the user is asking for the weather in San Francisco in Fahrenheit. Let me check the tools available.\n</think>".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_qwen_qwq_32b_simple() {
        let input = r#"<tool_call>
{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
</tool_call>"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("hermes")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_qwen_qwq_32b_simple_with_normal_text() {
        let input = r#"Hey How are you? <tool_call>
{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
</tool_call>"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("hermes")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
    }

    #[test]
    fn test_nousresearch_hermes3_llama31_8b_simple() {
        let input = r#"<tool_call>
{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
</tool_call>"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("hermes")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_qwen_qwq_32b_multiple_tool_calls() {
        let input = r#"<tool_call>
{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
</tool_call>
<tool_call>
{"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}
</tool_call>
"#;
        let config = ToolCallConfig::hermes();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_qwen_qwq_32b_multiple_tool_calls_with_normal_text() {
        let input = r#"Hey How are you? <tool_call>
{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
</tool_call>
<tool_call>
{"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}
</tool_call>
"#;
        let config = ToolCallConfig::hermes();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_qwen_qwq_32b_multiple_tool_calls_with_new_lines() {
        let input = r#"<tool_call>
{"name": "get_weather",
"arguments": {"location": "San Francisco, CA",
"unit": "fahrenheit"}}
</tool_call>
<tool_call>
{"name": "get_weather", "arguments":
{"location": "New York, NY", "unit":
"fahrenheit"}}
</tool_call>
"#;
        let config = ToolCallConfig::hermes();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    #[ignore]
    fn test_ibm_granite_40_tiny_preview_simple() {
        let input = r#"[{"arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}, "name": "get_weather"}]"#;
        let config = ToolCallConfig {
            format: ToolCallParserType::Json,
            json: JsonParserConfig {
                tool_call_start_tokens: vec![],
                tool_call_end_tokens: vec![],
                arguments_keys: vec!["arguments".to_string()],
                ..Default::default()
            },
        };
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_simple() {
        let input = r#" [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_simple_with_normal_text() {
        let input = r#"Hey How are you? [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_simple_with_new_lines() {
        let input = r#"
        [{"name": "get_weather",
        "arguments": {"location":
        "San Francisco, CA",
        "unit": "fahrenheit"}}]
        "#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_multiple() {
        let input = r#" [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_multiple_with_normal_text() {
        let input = r#"Hey How are you? [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_multiple_with_new_lines() {
        let input = r#"
        [{"name": "get_weather",
        "arguments": {"location":
        "San Francisco, CA",
        "unit": "fahrenheit"}},
        {"name": "get_weather", "arguments":
        {"location": "New York, NY", "unit":
        "fahrenheit"}}]
        "#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_token() {
        let input = r#"[TOOL_CALLS] [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_token_with_normal_text() {
        let input = r#"Hey How are you? [TOOL_CALLS] [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_tokenwith_new_lines() {
        let input = r#"
        [TOOL_CALLS]
        [{"name": "get_weather",
        "arguments": {"location":
        "San Francisco, CA",
        "unit": "fahrenheit"}}]
        "#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_token_multiple() {
        let input = r#"[TOOL_CALLS] [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_token_multiple_with_normal_text() {
        let input = r#"Hey How are you? [TOOL_CALLS] [{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_mistralai_mistral_7b_instruct_v03_single_with_start_token_multiple_with_new_lines() {
        let input = r#"
        [TOOL_CALLS]
        [{"name": "get_weather",
        "arguments": {"location":
        "San Francisco, CA",
        "unit": "fahrenheit"}},
        {"name": "get_weather", "arguments":
        {"location": "New York, NY", "unit":
        "fahrenheit"}}]
        "#;
        let config = ToolCallConfig::mistral();
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_simple() {
        let input = r#"{"name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit"}}"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::mistral()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_simple_with_normal_text() {
        let input = r#"Hey How are you? {"name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit"}}"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::mistral()).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_with_new_lines() {
        let input = r#"
        {"name": "get_weather",
        "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
        "#;
        let (result, content) = detect_and_parse_tool_call(input, Some("llama3_json")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_with_python_tag() {
        let input = r#"<|python_tag|>{ "name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("llama3_json")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_with_python_tag_with_normal_text() {
        let input = r#"Hey How are you? <|python_tag|>{ "name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("llama3_json")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_with_python_tag_with_new_lines() {
        let input = r#"
        <|python_tag|>
        {"name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
        "#;
        let (result, content) = detect_and_parse_tool_call(input, Some("llama3_json")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_meta_llama_llama31_8b_instruct_with_python_tag_multiple_with_new_lines() {
        let input = r#"
        <|python_tag|>
        {"name": "get_weather", "parameters": {"location": "San Francisco, CA", "unit": "fahrenheit" }}
        <|python_tag|>
        {"name": "get_weather", "parameters": {"location": "New York, NY", "unit": "fahrenheit" }}
        "#;
        let (result, content) = detect_and_parse_tool_call(input, Some("llama3_json")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_error_handling() {
        // Unknown parser string should return an error
        let input = r#"{"name": "get_weather", "arguments": {"location": "San Francisco, CA"}}"#;
        let result = detect_and_parse_tool_call(input, Some("unknown_parser"));
        assert!(result.is_err());
        let err = result.unwrap_err().to_string();
        assert!(
            err.contains("is not implemented"),
            "Unexpected error message: {}",
            err
        );

        // Known parser, but invalid input (not JSON) should return Ok(None)
        let input = "not a json";
        let (result, content) = detect_and_parse_tool_call(input, Some("hermes")).unwrap();
        assert_eq!(content, Some("not a json".to_string()));
        assert!(result.is_empty());

        // Known parser, but valid JSON with wrong shape should return Ok(None)
        let input = r#"{"foo": "bar"}"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("hermes")).unwrap();
        assert_eq!(content, Some(r#"{"foo": "bar"}"#.to_string()));
        assert!(result.is_empty());
    }

    #[test]
    #[ignore]
    fn test_internlm_internlm2_5_7b_chat_simple() {
        let input = r#"San Francisco's weather is known for its mild climate with plenty of fog, especially along the coast. Here's an overview of the weather in Fahrenheit:

- **Summer (June to August)**: Average highs range from the mid-60s to low 70s Fahrenheit, with cooler mornings and evenings. Coastal areas may be cooler than inland spots.

Remember, San Francisco weather can be quite unpredictable, particularly with its famous fog, which can significantly lower temperatures. Always check a local weather forecast for the most accurate and up-to-date information."#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::default()).unwrap();
        assert_eq!(content, Some(input.to_string()));
        assert!(result.is_empty()); // This model doesn't produce tool calls
    }

    #[test]
    #[ignore]
    fn test_ai21labs_ai21_jamba_15_mini_simple() {
        let input = r#" [
    {"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}
]"#;
        let config = ToolCallConfig {
            format: ToolCallParserType::Json,
            json: JsonParserConfig {
                tool_call_start_tokens: vec![],
                tool_call_end_tokens: vec![],
                arguments_keys: vec!["arguments".to_string()],
                ..Default::default()
            },
        };
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    #[ignore]
    fn test_salesforce_llama_xlam_2_8b_fc_r_simple() {
        let input = r#"[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]"#;
        let config = ToolCallConfig {
            format: ToolCallParserType::Json,
            json: JsonParserConfig {
                tool_call_start_tokens: vec![],
                tool_call_end_tokens: vec![],
                arguments_keys: vec!["arguments".to_string()],
                ..Default::default()
            },
        };
        let (result, content) = try_tool_call_parse(input, &config).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_nemotron_deci() {
        let input = r#"<TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_nemotron_deci_multiple() {
        let input = r#"<TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_nemotron_deci_multiple_with_normal_text() {
        let input = r#"Hey How are you? <TOOLCALL>[{"name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit"}}, {"name": "get_weather", "arguments": {"location": "New York, NY", "unit": "fahrenheit"}}]</TOOLCALL>"#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York, NY");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_with_python_tag() {
        let input = r#"<|python_tag|>{ "name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_with_python_tag_with_normal_text()
    {
        let input = r#"Hey How are you? <|python_tag|>{ "name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_with_python_tag_with_new_lines() {
        let input = r#"
        <|python_tag|>
        {"name":
        "get_weather",
         "arguments":
          {"location": "San Francisco, CA",
          "unit": "fahrenheit" }}
        "#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_without_python_tag_multiple_with_new_lines()
     {
        let input = r#"
        {"name": "get_weather", "arguments":
         {"location": "San Francisco, CA",
          "unit": "fahrenheit" }}
        "#;
        let (result, content) = detect_and_parse_tool_call(input, None).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_without_python_tag() {
        let input = r#"{ "name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::mistral()).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_detect_and_parse_tool_call_default_parser_llama3_json_without_python_tag_with_normal_text()
     {
        let input = r#"Hey How are you? { "name": "get_weather", "arguments": {"location": "San Francisco, CA", "unit": "fahrenheit" } }"#;
        let (result, content) = try_tool_call_parse(input, &ToolCallConfig::mistral()).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert!(!result.is_empty());
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco, CA");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_phi4_single_function_call() {
        let input =
            r#"functools[{"name": "get_country_capital", "arguments": {"country": "Poland"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_country_capital");
        assert_eq!(args["country"], "Poland");
    }

    #[test]
    fn test_phi4_single_function_call_with_normal_text() {
        let input = r#"Hey How are you? functools[{"name": "get_country_capital", "arguments": {"country": "Poland"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_country_capital");
        assert_eq!(args["country"], "Poland");
    }

    #[test]
    fn test_phi4_multiple_function_calls_simple_arguments() {
        let input = r#"functools[
  {"name": "get_country_capital", "arguments": {"country": "Poland"}},
  {"name": "get_population", "arguments": {"city": "Warsaw"}}
]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert_eq!(result.len(), 2);

        let (name1, args1) = extract_name_and_args(result[0].clone());
        assert_eq!(name1, "get_country_capital");
        assert_eq!(args1["country"], "Poland");

        let (name2, args2) = extract_name_and_args(result[1].clone());
        assert_eq!(name2, "get_population");
        assert_eq!(args2["city"], "Warsaw");
    }

    #[test]
    fn test_phi4_multiple_function_calls_simple_arguments_with_normal_text() {
        let input = r#"Hey How are you? functools[
  {"name": "get_country_capital", "arguments": {"country": "Poland"}},
  {"name": "get_population", "arguments": {"city": "Warsaw"}}
]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert_eq!(result.len(), 2);

        let (name1, args1) = extract_name_and_args(result[0].clone());
        assert_eq!(name1, "get_country_capital");
        assert_eq!(args1["country"], "Poland");

        let (name2, args2) = extract_name_and_args(result[1].clone());
        assert_eq!(name2, "get_population");
        assert_eq!(args2["city"], "Warsaw");
    }

    #[test]
    fn test_phi4_single_function_call_nested_json_arguments() {
        let input = r#"functools[{"name": "get_weather_forecast", "arguments":
        {"location": {"city": "San Francisco",
        "state": "CA"}, "date": "2023-10-05"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather_forecast");
        assert_eq!(args["date"], "2023-10-05");
        assert_eq!(args["location"]["city"], "San Francisco");
        assert_eq!(args["location"]["state"], "CA");
    }

    #[test]
    fn test_phi4_single_function_call_nested_json_arguments_with_normal_text() {
        let input = r#"Hey How are you? functools[{"name": "get_weather_forecast", "arguments":
        {"location": {"city": "San Francisco",
        "state": "CA"}, "date": "2023-10-05"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather_forecast");
        assert_eq!(args["date"], "2023-10-05");
        assert_eq!(args["location"]["city"], "San Francisco");
        assert_eq!(args["location"]["state"], "CA");
    }

    #[test]
    fn test_phi4_function_call_with_parameters_instead_of_arguments() {
        let input = r#"functools[{"name": "calculate_distance",
         "parameters": {"from": "New York", "to": "Los Angeles"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "calculate_distance");
        assert_eq!(args["from"], "New York");
        assert_eq!(args["to"], "Los Angeles");
    }

    #[test]
    fn test_phi4_function_call_with_parameters_instead_of_arguments_with_normal_text() {
        let input = r#"Hey How are you? functools[{"name": "calculate_distance",
         "parameters": {"from": "New York", "to": "Los Angeles"}}]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("phi4")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "calculate_distance");
        assert_eq!(args["from"], "New York");
        assert_eq!(args["to"], "Los Angeles");
    }

    #[test]
    fn test_pythonic_parser_basic_with_constants() {
        let input = r#"[get_weather(location="San Francisco", unit="fahrenheit"), get_weather(location="New York", unit="fahrenheit")]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("pythonic")).unwrap();
        assert_eq!(content, Some("".to_string()));
        assert_eq!(result.len(), 2);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    #[ignore]
    fn test_pythonic_parser_with_constants_and_normal_text() {
        let input = r#"Hey How are you? [get_weather(location="San Francisco", unit="fahrenheit"), get_weather(location="New York", unit="fahrenheit")]"#;
        let (result, content) = detect_and_parse_tool_call(input, Some("pythonic")).unwrap();
        assert_eq!(content, Some("Hey How are you?".to_string()));
        assert_eq!(result.len(), 2);

        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "San Francisco");
        assert_eq!(args["unit"], "fahrenheit");
        let (name, args) = extract_name_and_args(result[1].clone());
        assert_eq!(name, "get_weather");
        assert_eq!(args["location"], "New York");
        assert_eq!(args["unit"], "fahrenheit");
    }

    #[test]
    fn test_harmony_parser_basic() {
        let input = r#"
        <|channel|>analysis<|message|>Need to use function get_current_weather.<|end|>
        <|start|>assistant<|channel|>commentary to=functions.get_current_weather <|constrain|>json
        <|message|>{"location":"San Francisco", "unit":"fahrenheit"}<|call|>
        "#;
        let (result, content) = detect_and_parse_tool_call(input, Some("harmony")).unwrap();
        assert_eq!(
            content,
            Some("Need to use function get_current_weather.".to_string())
        );
        assert_eq!(result.len(), 1);
        let (name, args) = extract_name_and_args(result[0].clone());
        assert_eq!(name, "get_current_weather");
        assert_eq!(args["location"], "San Francisco");
        assert_eq!(args["unit"], "fahrenheit");
    }
}