work on new engine

apps/stock/engine/tests/integration_test.rs

@@ -0,0 +1,52 @@
+// Simple integration test that verifies basic functionality
+
+use engine::{Order, OrderType, Side, TimeInForce, TradingMode};
+use chrono::Utc;
+
+#[test]
+fn test_trading_mode_creation() {
+    let backtest_mode = TradingMode::Backtest {
+        start_time: Utc::now(),
+        end_time: Utc::now(),
+        speed_multiplier: 1.0,
+    };
+    
+    match backtest_mode {
+        TradingMode::Backtest { speed_multiplier, .. } => {
+            assert_eq!(speed_multiplier, 1.0);
+        }
+        _ => panic!("Expected backtest mode"),
+    }
+    
+    let paper_mode = TradingMode::Paper {
+        starting_capital: 100_000.0,
+    };
+    
+    match paper_mode {
+        TradingMode::Paper { starting_capital } => {
+            assert_eq!(starting_capital, 100_000.0);
+        }
+        _ => panic!("Expected paper mode"),
+    }
+}
+
+#[test]
+fn test_order_with_limit_price() {
+    let order = Order {
+        id: "limit-order-1".to_string(),
+        symbol: "AAPL".to_string(),
+        side: Side::Buy,
+        quantity: 100.0,
+        order_type: OrderType::Limit { price: 150.0 },
+        time_in_force: TimeInForce::GTC,
+    };
+    
+    assert_eq!(order.symbol, "AAPL");
+    assert_eq!(order.side, Side::Buy);
+    assert_eq!(order.quantity, 100.0);
+    
+    match order.order_type {
+        OrderType::Limit { price } => assert_eq!(price, 150.0),
+        _ => panic!("Expected limit order"),
+    }
+}