add test

src/tests/test_national.py

@@ -219,6 +219,35 @@ def test_read_latest_national_values_no_properties(db_session, api_client):
     )
 
 
+def test_read_latest_national_values_properties(db_session, api_client):
+    """Check main solar/GB/national/forecast route works
+
+    Check fake propreties are made
+    """
+
+    model = get_model(db_session, name="blend", version="0.0.1")
+
+    forecast = make_fake_national_forecast(
+        session=db_session, t0_datetime_utc=datetime.now(tz=timezone.utc)
+    )
+    forecast.model = model
+
+    db_session.add(forecast)
+    update_all_forecast_latest(forecasts=[forecast], session=db_session)
+
+    app.dependency_overrides[get_session] = lambda: db_session
+
+    response = api_client.get("/v0/solar/GB/national/forecast")
+    assert response.status_code == 200
+
+    national_forecast_values = [NationalForecastValue(**f) for f in response.json()]
+    assert national_forecast_values[0].plevels is not None
+    # index 24 is the middle of the day
+    assert np.round(national_forecast_values[24].plevels["plevel_10"], 2) == np.round(
+        national_forecast_values[24].expected_power_generation_megawatts * 0.9, 2
+    )
+
+
 @freeze_time("2022-01-01")
 def test_read_truth_national_gsp(db_session, api_client):
     """Check main solar/GB/national/pvlive route works"""