codex2

tests/scraping/test_pipeline.py

@@ -80,3 +80,33 @@ def test_pipeline_respects_disable_flag():
     assert product_id is None
     with get_session(config) as session:
         assert session.query(Product).count() == 0
+
+
+def test_pipeline_db_error_adds_note(monkeypatch):
+    """Une erreur DB ajoute une note et retourne None."""
+    from sqlalchemy.exc import SQLAlchemyError
+
+    class DummyError(SQLAlchemyError):
+        pass
+
+    def raise_session(*args, **kwargs):
+        raise DummyError("db down")
+
+    monkeypatch.setattr("pricewatch.app.scraping.pipeline.get_session", raise_session)
+
+    snapshot = ProductSnapshot(
+        source="amazon",
+        url="https://example.com/product",
+        fetched_at=datetime(2026, 1, 14, 13, 0, 0),
+        title="Produit",
+        price=10.0,
+        currency="EUR",
+        reference="B08PIPE",
+        debug=DebugInfo(method=FetchMethod.HTTP, status=DebugStatus.SUCCESS),
+    )
+
+    pipeline = ScrapingPipeline(config=FakeAppConfig(db=FakeDbConfig(url="sqlite:///:memory:")))
+    product_id = pipeline.process_snapshot(snapshot, save_to_db=True)
+
+    assert product_id is None
+    assert any("Persistence DB echouee" in note for note in snapshot.debug.notes)