feat: compute_km_for_entry resolves generic moteur key to specific vehicle

tests/test_travel_calc.py

@@ -5,13 +5,14 @@ from app.business.travel_calc import (
 )
 
 VEHICLES = {
-    "voiture": {"co2_per_km": 142, "cv": 5},
-    "velo": {"co2_per_km": 0},
+    "familiale": {"co2_per_km": 142, "cv": 5, "type": "moteur"},
+    "citadine": {"co2_per_km": 0, "cv": 3, "type": "moteur"},
+    "velo": {"co2_per_km": 0, "type": "velo"},
 }
 
 JOURNEYS = {
-    "voiture_seule": {"distances": {"voiture": 25}},
-    "voiture_velo": {"distances": {"voiture": 14, "velo": 8}},
+    "moteur_seul": {"distances": {"moteur": 25}},
+    "moteur_velo": {"distances": {"moteur": 14, "velo": 8}},
     "velo_seul": {"distances": {"velo": 24}},
 }
 
@@ -22,20 +23,36 @@ TRANCHES_CV5 = [
 ]
 
 
-def test_compute_km_voiture_seule():
-    assert compute_km_for_entry("voiture_seule", JOURNEYS) == {"voiture": 25}
+def test_compute_km_moteur_seul_avec_vehicule():
+    km = compute_km_for_entry("moteur_seul", JOURNEYS, "familiale")
+    assert km == {"familiale": 25}
 
 
-def test_compute_km_voiture_velo():
-    assert compute_km_for_entry("voiture_velo", JOURNEYS) == {"voiture": 14, "velo": 8}
+def test_compute_km_moteur_velo_avec_vehicule():
+    km = compute_km_for_entry("moteur_velo", JOURNEYS, "citadine")
+    assert km == {"citadine": 14, "velo": 8}
+
+
+def test_compute_km_velo_seul():
+    km = compute_km_for_entry("velo_seul", JOURNEYS)
+    assert km == {"velo": 24}
+
+
+def test_compute_km_sans_vehicule_moteur_ignore():
+    km = compute_km_for_entry("moteur_seul", JOURNEYS, None)
+    assert km == {}
 
 
 def test_compute_km_no_journey():
     assert compute_km_for_entry(None, JOURNEYS) == {}
 
 
-def test_compute_co2_voiture():
-    assert compute_co2_grams({"voiture": 25}, VEHICLES) == 25 * 142
+def test_compute_co2_familiale():
+    assert compute_co2_grams({"familiale": 25}, VEHICLES) == 25 * 142
+
+
+def test_compute_co2_citadine_electrique():
+    assert compute_co2_grams({"citadine": 25}, VEHICLES) == 0
 
 
 def test_compute_co2_velo():