Add unit tests for scenarios, parameters, reporting, and simulation features

tests/unit/test_scenario.py

@@ -0,0 +1,36 @@
+# ensure project root is on sys.path for module imports
+from main import app
+from routes.scenarios import router
+from config.database import Base, engine
+from fastapi.testclient import TestClient
+import pytest
+import os
+import sys
+sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+
+# Create tables for testing
+
+
+def setup_module(module):
+    Base.metadata.create_all(bind=engine)
+
+
+def teardown_module(module):
+    Base.metadata.drop_all(bind=engine)
+
+
+client = TestClient(app)
+
+
+def test_create_and_list_scenario():
+    # Create a scenario
+    response = client.post(
+        "/api/scenarios/", json={"name": "Test", "description": "Desc"})
+    assert response.status_code == 200
+    data = response.json()
+    assert data["name"] == "Test"
+    # List scenarios
+    response2 = client.get("/api/scenarios/")
+    assert response2.status_code == 200
+    data2 = response2.json()
+    assert any(s["name"] == "Test" for s in data2)