github-mcp 0.1.3

// GitHub v3 REST API MCP server — generated by mcpify. Do not hand-edit.

use std::future::Future;

use tokio::task_local;
use uuid::Uuid;

task_local! {
    static TRACE_ID: String;
}

/// Runs `fut` with a fresh (or given) correlation ID bound for its entire
/// async call tree — the `tokio::task_local!` equivalent of
/// `targets::typescript`'s `AsyncLocalStorage`-based `withCorrelationId`.
pub async fn with_correlation_id<F, T>(trace_id: Option<String>, fut: F) -> T
where
    F: Future<Output = T>,
{
    let id = trace_id.unwrap_or_else(|| Uuid::new_v4().to_string());
    TRACE_ID.scope(id, fut).await
}

pub fn correlation_id() -> Option<String> {
    TRACE_ID.try_with(|id| id.clone()).ok()
}

#[cfg(test)]
mod tests {
    use super::*;

    #[tokio::test]
    async fn binds_a_generated_trace_id_for_the_call_tree() {
        with_correlation_id(None, async {
            assert!(correlation_id().is_some());
        })
        .await;
    }

    #[tokio::test]
    async fn reuses_a_provided_trace_id() {
        with_correlation_id(Some("fixed-id".to_string()), async {
            assert_eq!(correlation_id().as_deref(), Some("fixed-id"));
        })
        .await;
    }

    #[tokio::test]
    async fn reports_none_outside_any_bound_scope() {
        assert_eq!(correlation_id(), None);
    }
}