Harden register pagination and Mol source selection

backend/tests/test_sprint206_buildings_addresses_register.py

@@ -111,21 +111,25 @@ class OfficialResponse:
 class TwoPageOfficialSession:
     def __init__(self):
         self.calls = 0
+        self.params = []
 
     def get(self, url, *, params, timeout):  # noqa: ANN001, ARG002
         self.calls += 1
+        self.params.append(params)
         if self.calls == 1:
             payload = {
                 "type": "FeatureCollection",
                 "features": [building_feature("1", box(5.10, 51.20, 5.101, 51.201))],
                 "links": [{"rel": "next", "href": f"{url}?startIndex=1"}],
             }
-        else:
+        elif self.calls == 2:
             payload = {
                 "type": "FeatureCollection",
                 "features": [building_feature("2", box(5.102, 51.20, 5.103, 51.201))],
                 "links": [],
             }
+        else:
+            payload = {"type": "FeatureCollection", "features": [], "links": []}
         return OfficialResponse(payload, f"{url}?page={self.calls}")
 
 
@@ -157,7 +161,9 @@ def test_official_collection_pagination_retains_checksummed_pages(tmp_path: Path
     )
 
     assert [feature["properties"]["ObjectId"] for feature in features] == [1, 2]
-    assert summary["page_count"] == 2
+    assert summary["page_count"] == 3
+    assert summary["pagination_fallback_count"] == 1
+    assert session.params[2]["startIndex"] == "2"
     assert all((tmp_path / page["path"]).is_file() for page in summary["pages"])
     assert all(len(page["sha256"]) == 64 for page in summary["pages"])
 
@@ -351,6 +357,7 @@ def test_operator_is_canonical_packaged_and_mol_scoped_in_explorer() -> None:
     assert "COPY scripts/provision_buildings_addresses_register.py" in dockerfile
     assert "py_compile scripts/provision_buildings_addresses_register.py" in readiness
     assert "datasetCoversSelectedArea" in workspace
+    assert "digitaal_vlaanderen_buildings_addresses_register' ? 1_200_000" in workspace
     assert "Gebouwen- en Adressenregister" in catalog
     assert "building_registry: 'Gebouwenregister'" in display
     assert "digitaal_vlaanderen_buildings_addresses_register: 'Digitaal Vlaanderen'" in display