fix(plantes): test plant_variety + seed PlantVariety + formatPlantLabel + migrate.py nettoyage

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/tests/test_plants.py

@@ -12,14 +12,30 @@ def test_list_plants(client):
     assert len(r.json()) == 2
 
 
-def test_allow_same_common_name_with_different_varieties(client):
-    client.post("/api/plants", json={"nom_commun": "Tomate", "variete": "Roma"})
-    client.post("/api/plants", json={"nom_commun": "Tomate", "variete": "Andine Cornue"})
-    r = client.get("/api/plants")
-    assert r.status_code == 200
-    tomates = [p for p in r.json() if p["nom_commun"] == "Tomate"]
-    assert len(tomates) == 2
-    assert {p.get("variete") for p in tomates} == {"Roma", "Andine Cornue"}
+def test_plant_variety_crud(client):
+    # Créer une plante
+    r = client.post("/api/plants", json={"nom_commun": "Tomate"})
+    assert r.status_code == 201
+    plant_id = r.json()["id"]
+
+    # Créer deux variétés
+    r1 = client.post(f"/api/plants/{plant_id}/varieties", json={"variete": "Roma"})
+    assert r1.status_code == 201
+    vid1 = r1.json()["id"]
+
+    r2 = client.post(f"/api/plants/{plant_id}/varieties", json={"variete": "Andine Cornue"})
+    assert r2.status_code == 201
+
+    # GET /plants/{id} doit retourner les 2 variétés
+    r = client.get(f"/api/plants/{plant_id}")
+    varieties = r.json().get("varieties", [])
+    assert len(varieties) == 2
+    assert {v["variete"] for v in varieties} == {"Roma", "Andine Cornue"}
+
+    # Supprimer une variété
+    client.delete(f"/api/plants/{plant_id}/varieties/{vid1}")
+    r = client.get(f"/api/plants/{plant_id}")
+    assert len(r.json()["varieties"]) == 1
 
 
 def test_get_plant(client):