Add models and routes for costs, consumption, equipment, maintenance, and production; implement CRUD operations and unit tests

tests/unit/test_costs.py

@@ -0,0 +1,58 @@
+from fastapi.testclient import TestClient
+from main import app
+from config.database import Base, engine
+
+# Setup and teardown
+
+
+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_capex_and_opex():
+    # Create a scenario to attach costs
+    resp = client.post(
+        "/api/scenarios/", json={"name": "CostScenario", "description": "cost scenario"}
+    )
+    assert resp.status_code == 200
+    scenario = resp.json()
+    sid = scenario["id"]
+
+    # Create Capex item
+    capex_payload = {"scenario_id": sid,
+                     "amount": 1000.0, "description": "Initial capex"}
+    resp2 = client.post("/api/costs/capex", json=capex_payload)
+    assert resp2.status_code == 200
+    capex = resp2.json()
+    assert capex["scenario_id"] == sid
+    assert capex["amount"] == 1000.0
+
+    # List Capex items
+    resp3 = client.get("/api/costs/capex")
+    assert resp3.status_code == 200
+    data = resp3.json()
+    assert any(item["amount"] == 1000.0 and item["scenario_id"]
+               == sid for item in data)
+
+    # Create Opex item
+    opex_payload = {"scenario_id": sid, "amount": 500.0,
+                    "description": "Recurring opex"}
+    resp4 = client.post("/api/costs/opex", json=opex_payload)
+    assert resp4.status_code == 200
+    opex = resp4.json()
+    assert opex["scenario_id"] == sid
+    assert opex["amount"] == 500.0
+
+    # List Opex items
+    resp5 = client.get("/api/costs/opex")
+    assert resp5.status_code == 200
+    data_o = resp5.json()
+    assert any(item["amount"] == 500.0 and item["scenario_id"]
+               == sid for item in data_o)