harn-cli 0.10.53

CLI for the Harn programming language — run, test, REPL, format, and lint
Documentation 
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use super::*;

#[tokio::test(flavor = "current_thread")]
async fn correlates_delegated_runs() {
    let _guard = lock_harn_state_async().await;
    let temp = TempDir::new().unwrap();
    write_fixture(&temp);
    let parent_path = temp.path().join("parent.json");
    let child_path = temp.path().join("child.json");
    let child = harn_vm::orchestration::RunRecord {
        type_name: "workflow_run".to_string(),
        id: "child".to_string(),
        workflow_id: "child-workflow".to_string(),
        status: "completed".to_string(),
        parent_run_id: Some("parent".to_string()),
        root_run_id: Some("parent".to_string()),
        ..harn_vm::orchestration::RunRecord::default()
    };
    let parent = harn_vm::orchestration::RunRecord {
        type_name: "workflow_run".to_string(),
        id: "parent".to_string(),
        workflow_id: "parent-workflow".to_string(),
        status: "completed".to_string(),
        root_run_id: Some("parent".to_string()),
        child_runs: vec![harn_vm::orchestration::RunChildRecord {
            worker_id: "worker-1".to_string(),
            worker_name: "child".to_string(),
            status: "completed".to_string(),
            run_id: Some("child".to_string()),
            run_path: Some(child_path.to_string_lossy().into_owned()),
            ..harn_vm::orchestration::RunChildRecord::default()
        }],
        ..harn_vm::orchestration::RunRecord::default()
    };
    harn_vm::orchestration::save_run_record(&child, Some(child_path.to_str().unwrap())).unwrap();
    harn_vm::orchestration::save_run_record(&parent, Some(parent_path.to_str().unwrap())).unwrap();
    let service = McpOrchestratorService::new(&fixture_args(&temp)).unwrap();
    let mut session = ConnectionState::default();

    let report = call_tool(
        &service,
        &mut session,
        "harn.run.report",
        json!({ "path": "parent.json" }),
    )
    .await;
    assert_eq!(report["schema"], "harn.run_report.v1");
    assert_eq!(report["root_run_id"], "parent");
    assert_eq!(report["agents"].as_array().unwrap().len(), 2);
    assert_eq!(report["delegations"][0]["forward_pointer"], true);
    assert_eq!(report["delegations"][0]["back_pointer"], true);
    assert!(report["projection"]["hash"]
        .as_str()
        .is_some_and(|hash| hash.starts_with("sha256:")));
}

#[tokio::test(flavor = "current_thread")]
#[allow(clippy::await_holding_lock)]
async fn reviews_a_run_record_without_materializing_a_report_file() {
    let _guard = lock_harn_state_async().await;
    harn_vm::llm::clear_cli_llm_mock_mode();
    let temp = TempDir::new().unwrap();
    write_fixture(&temp);
    let run_path = temp.path().join("root.json");
    let run = harn_vm::orchestration::RunRecord {
        type_name: "workflow_run".to_string(),
        id: "root".to_string(),
        workflow_id: "workflow".to_string(),
        status: "completed".to_string(),
        root_run_id: Some("root".to_string()),
        ..harn_vm::orchestration::RunRecord::default()
    };
    harn_vm::orchestration::save_run_record(&run, Some(run_path.to_str().unwrap())).unwrap();
    let fixture = harn_vm::llm::parse_llm_mocks_jsonl(
        &json!({
            "provider": "openai",
            "model": "gpt-5.6-luna",
            "text": "{\"verdict\":\"pass\",\"confidence\":0.95,\"summary\":\"The run report is structurally sound.\",\"findings\":[],\"actions\":[]}"
        })
        .to_string(),
    )
    .unwrap();
    harn_vm::llm::install_cli_llm_mock_fixture(fixture);
    let service = McpOrchestratorService::new(&fixture_args(&temp)).unwrap();
    let mut session = ConnectionState::default();

    let review = call_tool(
        &service,
        &mut session,
        "harn.run.review",
        json!({
            "run_record_path": "root.json",
            "model": "gpt-5.6-luna"
        }),
    )
    .await;
    harn_vm::llm::clear_cli_llm_mock_mode();

    assert_eq!(review["schema"], "harn.run_review.v1");
    assert_eq!(review["verdict"], "pass");
    assert!(review["provenance"]["report_hash"]
        .as_str()
        .is_some_and(|hash| hash.starts_with("sha256:")));
}

#[tokio::test(flavor = "current_thread")]
async fn advertises_structurally_distinct_run_review_inputs_and_spend_semantics() {
    let _guard = lock_harn_state_async().await;
    let temp = TempDir::new().unwrap();
    write_fixture(&temp);
    let service = McpOrchestratorService::new(&fixture_args(&temp)).unwrap();
    let mut session = ConnectionState::default();
    let response = service
        .handle_request(&mut session, stable_request(3, "tools/list", json!({})))
        .await;
    let tool = response["result"]["tools"]
        .as_array()
        .unwrap()
        .iter()
        .find(|tool| tool["name"] == "harn.run.review")
        .expect("run review tool");

    assert_eq!(tool["inputSchema"]["oneOf"].as_array().unwrap().len(), 2);
    assert_eq!(
        tool["inputSchema"]["oneOf"][0]["required"],
        json!(["report_path"])
    );
    assert_eq!(
        tool["inputSchema"]["oneOf"][1]["required"],
        json!(["run_record_path"])
    );
    assert_eq!(tool["annotations"]["readOnlyHint"], false);
    assert_eq!(tool["annotations"]["destructiveHint"], false);
    assert_eq!(tool["annotations"]["openWorldHint"], true);
    // Task capability is server-owned since the rmcp cutover: it is keyed by
    // tool name rather than advertised on the descriptor. A run review makes a
    // billable model call, so it must be eligible for asynchronous execution.
    assert!(matches!(
        crate::commands::mcp::serve::tools::task_policy_for_tool("harn.run.review"),
        Some(crate::commands::mcp::serve::tools::TaskPolicy::Async)
    ));
}

#[tokio::test(flavor = "current_thread")]
async fn rejects_project_root_escape() {
    let _guard = lock_harn_state_async().await;
    let temp = TempDir::new().unwrap();
    write_fixture(&temp);
    let outside = TempDir::new().unwrap();
    let outside_path = outside.path().join("run.json");
    let run = harn_vm::orchestration::RunRecord {
        type_name: "workflow_run".to_string(),
        id: "outside".to_string(),
        workflow_id: "outside-workflow".to_string(),
        ..harn_vm::orchestration::RunRecord::default()
    };
    harn_vm::orchestration::save_run_record(&run, Some(outside_path.to_str().unwrap())).unwrap();
    let service = McpOrchestratorService::new(&fixture_args(&temp)).unwrap();
    let mut session = ConnectionState::default();
    let response = service
        .handle_request(
            &mut session,
            stable_request(
                2,
                "tools/call",
                json!({
                    "name": "harn.run.report",
                    "arguments": { "path": outside_path },
                }),
            ),
        )
        .await;
    assert_eq!(response["result"]["isError"], true, "response={response}");
    assert!(response["result"]["content"][0]["text"]
        .as_str()
        .is_some_and(|text| text.contains("outside the report's allowed roots")));
}

#[cfg(unix)]
#[tokio::test(flavor = "current_thread")]
async fn rejects_symlink_escape() {
    let _guard = lock_harn_state_async().await;
    let temp = TempDir::new().unwrap();
    write_fixture(&temp);
    let outside = TempDir::new().unwrap();
    let outside_path = outside.path().join("run.json");
    let link_path = temp.path().join("linked-run.json");
    let run = harn_vm::orchestration::RunRecord {
        type_name: "workflow_run".to_string(),
        id: "outside".to_string(),
        workflow_id: "outside-workflow".to_string(),
        ..harn_vm::orchestration::RunRecord::default()
    };
    harn_vm::orchestration::save_run_record(&run, Some(outside_path.to_str().unwrap())).unwrap();
    std::os::unix::fs::symlink(&outside_path, &link_path).unwrap();
    let service = McpOrchestratorService::new(&fixture_args(&temp)).unwrap();
    let mut session = ConnectionState::default();
    let response = service
        .handle_request(
            &mut session,
            stable_request(
                2,
                "tools/call",
                json!({
                    "name": "harn.run.report",
                    "arguments": { "path": "linked-run.json" },
                }),
            ),
        )
        .await;

    assert_eq!(response["result"]["isError"], true, "response={response}");
    assert!(response["result"]["content"][0]["text"]
        .as_str()
        .is_some_and(|text| text.contains("outside the report's allowed roots")));
}