rs-adk 0.5.0

Agent runtime for Gemini Live — tools, streaming, agent transfer, middleware
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126

//! Forwarding artifact service that proxies all calls to a parent service.

use std::sync::Arc;

use async_trait::async_trait;

use super::{Artifact, ArtifactError, ArtifactMetadata, ArtifactService};

/// Artifact service that proxies all calls to a parent service.
/// Used by ToolContext to give tools scoped artifact access.
pub struct ForwardingArtifactService {
    inner: Arc<dyn ArtifactService>,
}

impl ForwardingArtifactService {
    /// Create a new forwarding artifact service wrapping the given inner service.
    pub fn new(inner: Arc<dyn ArtifactService>) -> Self {
        Self { inner }
    }
}

#[async_trait]
impl ArtifactService for ForwardingArtifactService {
    async fn save(
        &self,
        session_id: &str,
        artifact: Artifact,
    ) -> Result<ArtifactMetadata, ArtifactError> {
        self.inner.save(session_id, artifact).await
    }

    async fn load(&self, session_id: &str, name: &str) -> Result<Option<Artifact>, ArtifactError> {
        self.inner.load(session_id, name).await
    }

    async fn load_version(
        &self,
        session_id: &str,
        name: &str,
        version: u32,
    ) -> Result<Option<Artifact>, ArtifactError> {
        self.inner.load_version(session_id, name, version).await
    }

    async fn list(&self, session_id: &str) -> Result<Vec<ArtifactMetadata>, ArtifactError> {
        self.inner.list(session_id).await
    }

    async fn delete(&self, session_id: &str, name: &str) -> Result<(), ArtifactError> {
        self.inner.delete(session_id, name).await
    }
}

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

    #[tokio::test]
    async fn forwarding_save_delegates() {
        let inner = Arc::new(InMemoryArtifactService::new());
        let fwd = ForwardingArtifactService::new(inner.clone());

        let artifact = Artifact::text("notes", "hello");
        let meta = fwd.save("s1", artifact).await.unwrap();
        assert_eq!(meta.name, "notes");
        assert_eq!(meta.version, 1);

        // Verify the inner service actually received the artifact.
        let loaded = inner.load("s1", "notes").await.unwrap().unwrap();
        assert_eq!(std::str::from_utf8(&loaded.data).unwrap(), "hello");
    }

    #[tokio::test]
    async fn forwarding_load_delegates() {
        let inner = Arc::new(InMemoryArtifactService::new());
        inner
            .save("s1", Artifact::text("doc", "content"))
            .await
            .unwrap();

        let fwd = ForwardingArtifactService::new(inner);
        let loaded = fwd.load("s1", "doc").await.unwrap().unwrap();
        assert_eq!(std::str::from_utf8(&loaded.data).unwrap(), "content");
    }

    #[tokio::test]
    async fn forwarding_load_version_delegates() {
        let inner = Arc::new(InMemoryArtifactService::new());
        inner.save("s1", Artifact::text("doc", "v1")).await.unwrap();
        inner.save("s1", Artifact::text("doc", "v2")).await.unwrap();

        let fwd = ForwardingArtifactService::new(inner);
        let v1 = fwd.load_version("s1", "doc", 1).await.unwrap().unwrap();
        assert_eq!(std::str::from_utf8(&v1.data).unwrap(), "v1");
        let v2 = fwd.load_version("s1", "doc", 2).await.unwrap().unwrap();
        assert_eq!(std::str::from_utf8(&v2.data).unwrap(), "v2");
    }

    #[tokio::test]
    async fn forwarding_list_delegates() {
        let inner = Arc::new(InMemoryArtifactService::new());
        inner.save("s1", Artifact::text("a", "data")).await.unwrap();
        inner.save("s1", Artifact::text("b", "data")).await.unwrap();

        let fwd = ForwardingArtifactService::new(inner);
        let list = fwd.list("s1").await.unwrap();
        assert_eq!(list.len(), 2);
    }

    #[tokio::test]
    async fn forwarding_delete_delegates() {
        let inner = Arc::new(InMemoryArtifactService::new());
        inner
            .save("s1", Artifact::text("notes", "data"))
            .await
            .unwrap();

        let fwd = ForwardingArtifactService::new(inner.clone());
        fwd.delete("s1", "notes").await.unwrap();

        // Verify deletion happened in the inner service.
        let result = inner.load("s1", "notes").await.unwrap();
        assert!(result.is_none());
    }
}