diff --git a/backend/tests/test_shopping.py b/backend/tests/test_shopping.py
new file mode 100644
index 0000000..c1d90b3
--- /dev/null
+++ b/backend/tests/test_shopping.py
@@ -0,0 +1,126 @@
+# backend/tests/test_shopping.py
+import pytest
+from sqlalchemy import delete
+from app.models.shopping import ShoppingList, ListItem
+
+
+@pytest.fixture(autouse=True)
+async def cleanup(db_session):
+    yield
+    # Supprimer les listes de test (cascade supprime les items)
+    await db_session.execute(
+        delete(ShoppingList).where(ShoppingList.name.like("TEST_%"))
+    )
+    # Supprimer les listes sans nom créées par les tests
+    await db_session.execute(
+        delete(ShoppingList).where(ShoppingList.name.is_(None), ShoppingList.status == "draft")
+    )
+    await db_session.commit()
+
+
+async def test_creer_liste(client):
+    resp = await client.post("/api/shopping/lists", json={"name": "TEST_semaine 1"})
+    assert resp.status_code == 201
+    data = resp.json()
+    assert data["name"] == "TEST_semaine 1"
+    assert data["status"] == "draft"
+    assert data["item_count"] == 0
+    assert data["items"] == []
+
+
+async def test_lister_listes(client):
+    await client.post("/api/shopping/lists", json={"name": "TEST_liste A"})
+    await client.post("/api/shopping/lists", json={"name": "TEST_liste B"})
+
+    resp = await client.get("/api/shopping/lists")
+    assert resp.status_code == 200
+    noms = [l["name"] for l in resp.json()]
+    assert "TEST_liste A" in noms
+    assert "TEST_liste B" in noms
+
+
+async def test_ajouter_article_custom(client):
+    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_ajout"})).json()
+    list_id = liste["id"]
+
+    resp = await client.post(f"/api/shopping/lists/{list_id}/items", json={
+        "custom_name": "Farine T55",
+        "quantity": "1.5",
+        "unit": "kg",
+    })
+    assert resp.status_code == 201
+    data = resp.json()
+    assert data["display_name"] == "Farine T55"
+    assert data["is_checked"] is False
+    assert data["carried_over"] is False
+
+
+async def test_ajouter_article_sans_nom_erreur(client):
+    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_sans nom"})).json()
+    resp = await client.post(f"/api/shopping/lists/{liste['id']}/items", json={})
+    assert resp.status_code == 422
+
+
+async def test_cocher_article(client):
+    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_cocher"})).json()
+    list_id = liste["id"]
+    item = (await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Lait"})).json()
+    item_id = item["id"]
+
+    resp = await client.patch(f"/api/shopping/lists/{list_id}/items/{item_id}", json={"is_checked": True})
+    assert resp.status_code == 200
+    assert resp.json()["is_checked"] is True
+
+
+async def test_supprimer_article(client):
+    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_suppr"})).json()
+    list_id = liste["id"]
+    item = (await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Beurre"})).json()
+    item_id = item["id"]
+
+    resp = await client.delete(f"/api/shopping/lists/{list_id}/items/{item_id}")
+    assert resp.status_code == 204
+
+    detail = await client.get(f"/api/shopping/lists/{list_id}")
+    assert all(i["id"] != item_id for i in detail.json()["items"])
+
+
+async def test_terminer_courses_reporte_non_coches(client):
+    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_finish"})).json()
+    list_id = liste["id"]
+
+    await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Coché"})
+    await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Non coché"})
+
+    # Cocher le premier article
+    items = (await client.get(f"/api/shopping/lists/{list_id}")).json()["items"]
+    coche_id = next(i["id"] for i in items if i["display_name"] == "Coché")
+    await client.patch(f"/api/shopping/lists/{list_id}/items/{coche_id}", json={"is_checked": True})
+
+    resp = await client.post(f"/api/shopping/lists/{list_id}/finish")
+    assert resp.status_code == 200
+    assert resp.json()["status"] == "done"
+
+    # Vérifier que la nouvelle liste draft a été créée avec l'article non coché
+    all_lists = (await client.get("/api/shopping/lists")).json()
+    new_drafts = [l for l in all_lists if l["status"] == "draft"]
+    assert len(new_drafts) >= 1
+
+
+async def test_detail_liste_404(client):
+    resp = await client.get("/api/shopping/lists/00000000-0000-0000-0000-000000000000")
+    assert resp.status_code == 404
+
+
+async def test_lister_stores(client):
+    resp = await client.get("/api/shopping/stores")
+    assert resp.status_code == 200
+    assert isinstance(resp.json(), list)
+
+
+async def test_rechercher_produits(client):
+    resp = await client.get("/api/shopping/products?q=lait&limit=5")
+    assert resp.status_code == 200
+    data = resp.json()
+    assert isinstance(data, list)
+    assert len(data) <= 5