feat: add get_motor_vehicles() and journey_has_motor() to config_loader

tests/test_config_loader.py

@@ -2,16 +2,40 @@ def test_get_vehicles_returns_configured_vehicles(app):
     with app.app_context():
         from app.config_loader import get_vehicles
         vehicles = get_vehicles()
-        assert "voiture" in vehicles
-        assert vehicles["voiture"]["co2_per_km"] == 142
+        assert "familiale" in vehicles
+        assert vehicles["familiale"]["co2_per_km"] == 142
+
+
+def test_get_motor_vehicles_excludes_velo(app):
+    with app.app_context():
+        from app.config_loader import get_motor_vehicles
+        motor = get_motor_vehicles()
+        assert "familiale" in motor
+        assert "citadine" in motor
+        assert "moto" in motor
+        assert "velo" not in motor
 
 
 def test_get_journeys_returns_profiles(app):
     with app.app_context():
         from app.config_loader import get_journeys
         journeys = get_journeys()
-        assert "voiture_seule" in journeys
-        assert journeys["voiture_seule"]["distances"]["voiture"] == 25
+        assert "moteur_seul" in journeys
+        assert journeys["moteur_seul"]["distances"]["moteur"] == 25
+
+
+def test_journey_has_motor_true(app):
+    with app.app_context():
+        from app.config_loader import journey_has_motor
+        assert journey_has_motor("moteur_seul") is True
+        assert journey_has_motor("moteur_velo") is True
+
+
+def test_journey_has_motor_false(app):
+    with app.app_context():
+        from app.config_loader import journey_has_motor
+        assert journey_has_motor("velo_seul") is False
+        assert journey_has_motor(None) is False
 
 
 def test_get_bareme_returns_tranches(app):