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do_memory_mcp/server/tools/external_signals/
test_connection.rs

1//! Test AgentFS connection tool handler for MCP server
2//!
3//! This module provides the tool for testing connectivity to the
4//! AgentFS external signal provider.
5//!
6//! **NOTE**: SDK is not currently integrated - returns stub test results.
7
8use crate::server::MemoryMCPServer;
9use anyhow::Result;
10use serde_json::json;
11use tracing::debug;
12
13impl MemoryMCPServer {
14    /// Execute the test_agentfs_connection tool
15    ///
16    /// # Arguments
17    ///
18    /// * `input` - Test parameters including optional db_path override
19    ///
20    /// # Returns
21    ///
22    /// Returns connection test results indicating SDK unavailability
23    pub async fn execute_test_agentfs_connection(
24        &self,
25        input: crate::mcp::tools::external_signals::TestAgentFsConnectionInput,
26    ) -> Result<serde_json::Value> {
27        self.track_tool_usage("test_agentfs_connection").await;
28
29        debug!(
30            "Testing AgentFS connection for db_path: {:?}",
31            input.db_path
32        );
33
34        let start_time = std::time::Instant::now();
35        let test_duration_ms = start_time.elapsed().as_millis() as u64;
36
37        // SDK is not integrated - return informative stub result
38        // This indicates that the test "passes" in terms of API structure
39        // but clearly shows no real connection is possible
40        let result = crate::mcp::tools::external_signals::TestAgentFsConnectionOutput {
41            success: false, // Not actually successful - SDK unavailable
42            provider: "agentfs".to_string(),
43            db_path: input
44                .db_path
45                .unwrap_or_else(|| "/path/to/agentfs.db".to_string()),
46            connection_time_ms: test_duration_ms,
47            readable: false, // Cannot read without SDK
48            writable: false,
49            toolcall_count: None, // No data available
50            version: None, // SDK not integrated
51            message: "AgentFS SDK not integrated - stub implementation cannot connect to real database".to_string(),
52            error: Some("SDK unavailable: agentfs-sdk dependency not added to project. Add dependency and enable 'agentfs' feature for real connection testing.".to_string()),
53        };
54
55        Ok(json!(result))
56    }
57}
58
59#[cfg(test)]
60mod tests {
61    use super::*;
62
63    #[test]
64    #[allow(clippy::manual_async_fn)]
65    fn test_test_agentfs_connection_signature_compile() {
66        // This test ensures the method signature compiles correctly
67        use crate::mcp::tools::external_signals::TestAgentFsConnectionInput;
68        fn method_signature(
69            _server: &MemoryMCPServer,
70            _input: TestAgentFsConnectionInput,
71        ) -> impl std::future::Future<Output = Result<serde_json::Value>> {
72            async { Ok(json!({})) }
73        }
74        let _ = method_signature; // Use the function to avoid unused warnings
75    }
76
77    #[test]
78    fn test_stub_result_indicates_sdk_unavailable() {
79        // Verify stub result properly indicates SDK unavailability
80        let result = crate::mcp::tools::external_signals::TestAgentFsConnectionOutput {
81            success: false,
82            provider: "agentfs".to_string(),
83            db_path: "/tmp/test.db".to_string(),
84            connection_time_ms: 0,
85            readable: false,
86            writable: false,
87            toolcall_count: None,
88            version: None,
89            message: "SDK not integrated".to_string(),
90            error: Some("SDK unavailable".to_string()),
91        };
92
93        assert!(!result.success, "Stub should report unsuccessful test");
94        assert!(result.error.is_some(), "Should have error message");
95        assert!(!result.readable, "Should report not readable");
96        assert!(
97            result.toolcall_count.is_none(),
98            "Should have no toolcall count"
99        );
100    }
101}