greentic-ext-runtime 1.2.26

Wasmtime-based runtime for Greentic Designer Extensions
Documentation 
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use greentic_ext_runtime::ToolDefinition;

#[test]
fn v2_contribution_tool_maps_capabilities_and_secret_requirements() {
    use greentic_extension_sdk_contract::describe::contributions::Tool;
    use greentic_types::secrets::{SecretKey, SecretRequirement};

    let mut req = SecretRequirement::default();
    req.key = SecretKey::new("tavily/api_key").unwrap();
    req.required = true;

    let t = Tool {
        name: "search".into(),
        export: "greentic:extension-design/tools.invoke-tool".into(),
        runtime_ref: None,
        capabilities: Some(vec!["agentic_worker".into()]),
        secret_requirements: vec![req],
        description: Some("Search the web.".into()),
        input_schema: Some(r#"{"type":"object"}"#.into()),
    };

    let def = greentic_ext_runtime::contribution_tool_to_definition(&t);

    assert_eq!(def.capabilities, Some(vec!["agentic_worker".to_string()]));
    assert_eq!(def.secret_requirements.len(), 1);
    assert_eq!(def.secret_requirements[0].key.as_str(), "tavily/api_key");
    // v2 input_schema/description surface through to the tool definition the
    // LLM sees (designer-sdk #57 + ext-runtime #93).
    assert_eq!(def.description, "Search the web.");
    assert_eq!(def.input_schema_json, r#"{"type":"object"}"#);
}

#[test]
fn legacy_shape_deserializes_without_new_fields() {
    // Simulates what a JSON serialization of a legacy ToolDefinition
    // (pre-capability-flag) looks like. Both new fields absent.
    let json = r#"{
        "name": "validate_card",
        "description": "Validate an Adaptive Card.",
        "input_schema_json": "{}"
    }"#;
    let td: ToolDefinition = serde_json::from_str(json).expect("legacy decode");
    assert_eq!(td.name, "validate_card");
    assert!(td.capabilities.is_none());
    assert!(td.agentic_worker_metadata.is_none());
}

#[test]
fn new_shape_round_trip() {
    let td = ToolDefinition {
        name: "validate_card".into(),
        description: "Validate an Adaptive Card.".into(),
        input_schema_json: "{}".into(),
        output_schema_json: None,
        capabilities: Some(vec!["flow".into(), "agentic_worker".into()]),
        agentic_worker_metadata: Some(r#"{"usage_hint":"x"}"#.into()),
        secret_requirements: vec![],
    };
    let json = serde_json::to_string(&td).unwrap();
    let back: ToolDefinition = serde_json::from_str(&json).unwrap();
    assert_eq!(back.name, td.name);
    assert_eq!(back.capabilities, td.capabilities);
    assert_eq!(back.agentic_worker_metadata, td.agentic_worker_metadata);
}

#[test]
fn legacy_default_capability_per_spec() {
    // Per spec section "Default semantics": when `capabilities` is None,
    // consumers MUST treat it as ["flow"]. This test asserts the policy
    // by simulating the consumer-side decision.
    let td = ToolDefinition {
        name: "legacy".into(),
        description: String::new(),
        input_schema_json: "{}".into(),
        output_schema_json: None,
        capabilities: None,
        agentic_worker_metadata: None,
        secret_requirements: vec![],
    };
    let effective: Vec<String> = td
        .capabilities
        .clone()
        .unwrap_or_else(|| vec!["flow".into()]);
    assert_eq!(effective, vec!["flow".to_string()]);
}