qudag-cli 0.5.0

//! Integration tests using mock implementations
//! TODO: Implement mocks module - currently disabled for TDD RED phase

// use qudag_cli::mocks::*;
// use qudag_cli::rpc::{RpcRequest, NodeStatus, NetworkStats};
// use std::sync::Arc;
// use std::time::Duration;
// use uuid::Uuid;

// TODO: Re-enable when mocks module is implemented
/*
#[tokio::test]
async fn test_mock_node_complete_lifecycle() {
    let node = Arc::new(MockNode::new("test-node-1".to_string()));

    // Test initial state
    let status = node.get_status().await;
    assert_eq!(status.node_id, "test-node-1");
    assert_eq!(status.state, "Stopped");
    assert_eq!(status.peers.len(), 0);

    // Start node
    node.start().await.expect("Failed to start node");
    let status = node.get_status().await;
    assert_eq!(status.state, "Running");

    // Add some peers
    node.add_peer("192.168.1.10:8080".to_string()).await.expect("Failed to add peer");
    node.add_peer("192.168.1.11:8080".to_string()).await.expect("Failed to add peer");

    // Simulate activity
    node.simulate_activity().await;

    // Check updated status
    let status = node.get_status().await;
    assert_eq!(status.peers.len(), 2);
    assert!(status.network_stats.messages_sent > 0);
    assert!(status.dag_stats.vertex_count > 0);

    // Stop node
    node.stop().await.expect("Failed to stop node");
    let status = node.get_status().await;
    assert_eq!(status.state, "Stopped");
    assert_eq!(status.peers.len(), 0);
}

#[tokio::test]
async fn test_mock_rpc_client_with_behaviors() {
    let node = Arc::new(MockNode::new("rpc-test-node".to_string()));
    let rpc = MockRpcClient::new(node.clone());

    // Test default behavior (success)
    let request = RpcRequest {
        id: Uuid::new_v4(),
        method: "get_status".to_string(),
        params: serde_json::Value::Null,
    };

    let response = rpc.process_request(request).await;
    assert!(response.result.is_some());
    assert!(response.error.is_none());

    // Set custom behavior with latency
    rpc.set_behavior("slow_operation", MockBehavior {
        should_succeed: true,
        latency_ms: 100,
        error_message: String::new(),
        custom_response: Some(serde_json::json!({
            "status": "completed",
            "duration_ms": 100
        })),
    }).await;

    let slow_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "slow_operation".to_string(),
        params: serde_json::Value::Null,
    };

    let start = std::time::Instant::now();
    let response = rpc.process_request(slow_request).await;
    let elapsed = start.elapsed();

    assert!(elapsed >= Duration::from_millis(100));
    assert!(response.result.is_some());

    if let Some(result) = response.result {
        assert_eq!(result["status"], "completed");
        assert_eq!(result["duration_ms"], 100);
    }

    // Test error behavior
    rpc.set_behavior("failing_operation", MockBehavior {
        should_succeed: false,
        latency_ms: 0,
        error_message: "Operation failed due to network error".to_string(),
        custom_response: None,
    }).await;

    let fail_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "failing_operation".to_string(),
        params: serde_json::Value::Null,
    };

    let response = rpc.process_request(fail_request).await;
    assert!(response.result.is_none());
    assert!(response.error.is_some());

    if let Some(error) = response.error {
        assert_eq!(error.message, "Operation failed due to network error");
    }
}

#[tokio::test]
async fn test_peer_manager_connection_tracking() {
    let peer_manager = MockPeerManager::new();

    // Set successful connection behavior
    peer_manager.behaviors.write().await.insert("connect".to_string(), MockBehavior {
        should_succeed: true,
        latency_ms: 50,
        error_message: String::new(),
        custom_response: None,
    });

    // Connect to peers
    let peer1 = peer_manager.connect_to_peer("192.168.1.20:8080".to_string()).await
        .expect("Failed to connect to peer");

    let peer2 = peer_manager.connect_to_peer("192.168.1.21:8080".to_string()).await
        .expect("Failed to connect to peer");

    // Check peers are tracked
    let peers = peer_manager.peers.read().await;
    assert_eq!(peers.len(), 2);
    assert!(peers.contains_key(&peer1));
    assert!(peers.contains_key(&peer2));

    // Check connection history
    let attempts = peer_manager.get_connection_attempts();
    assert_eq!(attempts.len(), 2);
    assert!(attempts.iter().all(|a| a.success));

    // Test failed connection
    peer_manager.behaviors.write().await.insert("connect".to_string(), MockBehavior {
        should_succeed: false,
        latency_ms: 0,
        error_message: "Connection refused".to_string(),
        custom_response: None,
    });

    let result = peer_manager.connect_to_peer("192.168.1.22:8080".to_string()).await;
    assert!(result.is_err());

    let attempts = peer_manager.get_connection_attempts();
    assert_eq!(attempts.len(), 3);
    assert!(!attempts[2].success);
    assert_eq!(attempts[2].error.as_ref().unwrap(), "Connection refused");
}

#[tokio::test]
async fn test_network_stats_simulation() {
    let stats = MockNetworkStats::new();

    // Get initial stats
    let initial = stats.get_current().await;
    assert_eq!(initial.messages_sent, 0);
    assert_eq!(initial.messages_received, 0);

    // Simulate network activity
    for _ in 0..5 {
        stats.update().await;
        tokio::time::sleep(Duration::from_millis(10)).await;
    }

    // Check updated stats
    let current = stats.get_current().await;
    assert!(current.messages_sent > 0);
    assert!(current.messages_received > 0);
    assert!(current.bytes_sent > 0);
    assert!(current.bytes_received > 0);
    assert!(current.average_latency > 0.0);

    // Check history
    let history = stats.get_history();
    assert_eq!(history.len(), 5);

    // Reset stats
    stats.reset().await;
    let reset_stats = stats.get_current().await;
    assert_eq!(reset_stats.messages_sent, 0);
    assert_eq!(reset_stats.messages_received, 0);
}

#[tokio::test]
async fn test_scenario_full_mesh_topology() {
    let scenario = TestScenarioBuilder::new()
        .add_node("node-a".to_string())
        .add_node("node-b".to_string())
        .add_node("node-c".to_string())
        .add_node("node-d".to_string())
        .with_topology(NetworkTopology::FullMesh)
        .build()
        .await;

    // Start all nodes
    scenario.start_all_nodes().await.expect("Failed to start nodes");

    // Check full mesh connectivity
    for (node_id, node) in &scenario.nodes {
        let peers = node.peers.read().await;
        assert_eq!(peers.len(), 3, "Node {} should have 3 peers in full mesh", node_id);
    }

    // Simulate activity
    scenario.simulate_activity(Duration::from_millis(200)).await;

    // Get aggregate stats
    let aggregate_stats = scenario.get_aggregate_stats().await;
    assert!(aggregate_stats.messages_sent > 0);
    assert!(aggregate_stats.active_connections > 0);

    // Stop all nodes
    scenario.stop_all_nodes().await.expect("Failed to stop nodes");
}

#[tokio::test]
async fn test_scenario_star_topology() {
    let scenario = TestScenarioBuilder::new()
        .add_node("center".to_string())
        .add_node("leaf-1".to_string())
        .add_node("leaf-2".to_string())
        .add_node("leaf-3".to_string())
        .with_topology(NetworkTopology::Star { center: "center".to_string() })
        .build()
        .await;

    scenario.start_all_nodes().await.expect("Failed to start nodes");

    // Check star topology
    let center_node = scenario.nodes.get("center").unwrap();
    assert_eq!(center_node.peers.read().await.len(), 3, "Center should have 3 peers");

    for leaf_id in ["leaf-1", "leaf-2", "leaf-3"] {
        let leaf_node = scenario.nodes.get(leaf_id).unwrap();
        assert_eq!(leaf_node.peers.read().await.len(), 1, "Leaf {} should have 1 peer", leaf_id);
    }

    scenario.stop_all_nodes().await.expect("Failed to stop nodes");
}

#[tokio::test]
async fn test_scenario_with_global_behaviors() {
    let scenario = TestScenarioBuilder::new()
        .add_node("node-1".to_string())
        .add_node("node-2".to_string())
        .with_global_behavior("network_operation".to_string(), MockBehavior {
            should_succeed: true,
            latency_ms: 25,
            error_message: String::new(),
            custom_response: Some(serde_json::json!({
                "global": true,
                "latency": 25
            })),
        })
        .build()
        .await;

    // Check that global behavior is applied to all nodes
    for node in scenario.nodes.values() {
        let behaviors = node.behaviors.read().await;
        assert!(behaviors.contains_key("network_operation"));
        assert_eq!(behaviors.get("network_operation").unwrap().latency_ms, 25);
    }
}

#[tokio::test]
async fn test_rpc_request_history() {
    let node = Arc::new(MockNode::new("history-test-node".to_string()));
    let rpc = MockRpcClient::new(node);

    // Make several requests
    let methods = vec!["get_status", "list_peers", "get_network_stats"];

    for method in &methods {
        let request = RpcRequest {
            id: Uuid::new_v4(),
            method: method.to_string(),
            params: serde_json::Value::Null,
        };

        rpc.process_request(request).await;
    }

    // Check request history
    let history = rpc.get_request_history();
    assert_eq!(history.len(), 3);

    for (i, request) in history.iter().enumerate() {
        assert_eq!(request.method, methods[i]);
    }

    // Clear history
    rpc.clear_history();
    let history = rpc.get_request_history();
    assert_eq!(history.len(), 0);
}

#[tokio::test]
async fn test_complex_rpc_operations() {
    let node = Arc::new(MockNode::new("complex-test-node".to_string()));
    let rpc = MockRpcClient::new(node.clone());

    // Start node via RPC
    let start_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "start".to_string(),
        params: serde_json::Value::Null,
    };

    let response = rpc.process_request(start_request).await;
    assert!(response.result.is_some());
    assert!(matches!(*node.state.read().await, NodeState::Running));

    // Add peers via RPC
    let add_peer_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "add_peer".to_string(),
        params: serde_json::json!({
            "address": "10.0.0.1:8080"
        }),
    };

    let response = rpc.process_request(add_peer_request).await;
    assert!(response.result.is_some());
    assert_eq!(node.peers.read().await.len(), 1);

    // List peers via RPC
    let list_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "list_peers".to_string(),
        params: serde_json::Value::Null,
    };

    let response = rpc.process_request(list_request).await;
    assert!(response.result.is_some());

    if let Some(result) = response.result {
        let peer_list: Vec<serde_json::Value> = serde_json::from_value(result).unwrap();
        assert_eq!(peer_list.len(), 1);
    }

    // Test network via RPC
    let test_request = RpcRequest {
        id: Uuid::new_v4(),
        method: "test_network".to_string(),
        params: serde_json::Value::Null,
    };

    let response = rpc.process_request(test_request).await;
    assert!(response.result.is_some());

    if let Some(result) = response.result {
        let test_results: Vec<serde_json::Value> = serde_json::from_value(result).unwrap();
        assert_eq!(test_results.len(), 3); // Mock returns 3 test results
    }
}
*/