zeph_commands/handlers/
lsp.rs

1// SPDX-FileCopyrightText: 2026 Andrei G <bug-ops>
2// SPDX-License-Identifier: MIT OR Apache-2.0
3
4//! LSP status command handler: `/lsp`.
5
6use std::future::Future;
7use std::pin::Pin;
8
9use crate::context::CommandContext;
10use crate::{CommandError, CommandHandler, CommandOutput, SlashCategory};
11
12/// Show LSP context injection status and session statistics.
13pub struct LspCommand;
14
15impl CommandHandler<CommandContext<'_>> for LspCommand {
16    fn name(&self) -> &'static str {
17        "/lsp"
18    }
19
20    fn description(&self) -> &'static str {
21        "Show LSP context status"
22    }
23
24    fn category(&self) -> SlashCategory {
25        SlashCategory::Debugging
26    }
27
28    fn feature_gate(&self) -> Option<&'static str> {
29        Some("lsp-context")
30    }
31
32    fn requires_auth(&self) -> bool {
33        true
34    }
35
36    fn handle<'a>(
37        &'a self,
38        ctx: &'a mut CommandContext<'_>,
39        _args: &'a str,
40    ) -> Pin<Box<dyn Future<Output = Result<CommandOutput, CommandError>> + Send + 'a>> {
41        use tracing::Instrument as _;
42        let span = tracing::info_span!("commands.lsp.handle");
43        Box::pin(
44            async move {
45                let result = ctx.agent.lsp_status().await?;
46                Ok(CommandOutput::message_or_silent(result))
47            }
48            .instrument(span),
49        )
50    }
51}
52
53#[cfg(test)]
54mod tests {
55    use super::*;
56    use crate::handlers::test_helpers::{MockDebug, MockMessages, MockSession, make_ctx};
57    use crate::sink::NullSink;
58    use std::assert_matches;
59
60    #[test]
61    fn lsp_name_and_description() {
62        assert_eq!(LspCommand.name(), "/lsp");
63        assert!(!LspCommand.description().is_empty());
64    }
65
66    #[tokio::test]
67    async fn lsp_returns_silent_when_agent_returns_empty() {
68        // NullAgent returns empty string from lsp_status, so result is Silent.
69        let mut sink = NullSink;
70        let mut debug = MockDebug;
71        let mut messages = MockMessages;
72        let session = MockSession;
73        let mut agent = crate::NullAgent;
74        let mut ctx = make_ctx(&mut sink, &mut debug, &mut messages, &session, &mut agent);
75        let out = LspCommand.handle(&mut ctx, "").await.unwrap();
76        assert_matches!(out, CommandOutput::Silent);
77    }
78}
zeph_commands/handlers/lsp.rs

zeph_commands/handlers/
lsp.rs
