aether_core/testing/
agent_event_builder.rs

1use crate::events::{AgentEvent, StreamState, ToolEvent};
2use crate::mcp::tool_bridge::encode_structured;
3use serde::Serialize;
4
5pub fn agent_event(message_id: &str) -> AgentEventBuilder {
6    AgentEventBuilder::new(message_id)
7}
8
9pub struct AgentEventBuilder {
10    message_id: String,
11    chunks: Vec<AgentEvent>,
12    full_text: String,
13}
14
15impl AgentEventBuilder {
16    pub fn new(message_id: &str) -> Self {
17        Self { message_id: message_id.to_string(), chunks: Vec::new(), full_text: String::new() }
18    }
19
20    pub fn text(mut self, chunks: &[&str]) -> Self {
21        for chunk in chunks {
22            self.chunks.push(AgentEvent::text(&self.message_id, chunk, StreamState::Partial));
23            self.full_text.push_str(chunk);
24        }
25        self
26    }
27
28    pub fn tool_call<T: Serialize, U: Serialize>(
29        mut self,
30        tool_call_id: &str,
31        name: &str,
32        request: &T,
33        result: &U,
34    ) -> Self {
35        let request_json = serde_json::to_string(request).expect("Failed to serialize request");
36        let result_value = serde_json::to_value(result).expect("Failed to serialize result");
37
38        self.push_tool_call(tool_call_id, name, &request_json);
39
40        self.chunks.push(AgentEvent::tool_result(tool_call_id, name, &request_json, &encode_structured(&result_value)));
41
42        self
43    }
44
45    pub fn tool_call_with_error<T: Serialize>(
46        mut self,
47        tool_call_id: &str,
48        name: &str,
49        request: &T,
50        error_message: &str,
51    ) -> Self {
52        let request_json = serde_json::to_string(request).expect("Failed to serialize request");
53
54        let error_result = format!("Tool execution error: {error_message}");
55
56        self.push_tool_call(tool_call_id, name, &request_json);
57
58        self.chunks.push(AgentEvent::tool_error(tool_call_id, name, &request_json, &error_result));
59
60        self
61    }
62
63    pub fn build(mut self) -> Vec<AgentEvent> {
64        self.chunks.push(AgentEvent::text(&self.message_id, &self.full_text, StreamState::Complete));
65
66        self.chunks
67    }
68
69    fn push_tool_call(&mut self, tool_call_id: &str, name: &str, arguments: &str) {
70        self.chunks.extend([
71            AgentEvent::Tool(ToolEvent::InputStarted { id: tool_call_id.to_string(), name: name.to_string() }),
72            AgentEvent::Tool(ToolEvent::InputDelta { id: tool_call_id.to_string(), chunk: arguments.to_string() }),
73            AgentEvent::tool_call(tool_call_id, name, arguments),
74        ]);
75    }
76}
aether_core/testing/agent_event_builder.rs

aether_core/testing/
agent_event_builder.rs
