Complete regional raster exploration

backend/tests/test_sprint219_regional_raster_explorer.py

@@ -0,0 +1,52 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_partitioned_raster_routes_are_canonical_and_documented() -> None:
+    routes = (ROOT / "backend/app/api/routes/datasets.py").read_text(encoding="utf-8")
+    contracts = (ROOT / "docs/API_CONTRACTS.md").read_text(encoding="utf-8")
+
+    for path in (
+        "/datasets/raster/terrain/select",
+        "/datasets/raster/flood-hazard/select",
+    ):
+        assert f'@router.post("{path}", response_model=dict)' in routes
+        assert path in contracts
+    assert "envelope(TerrainAnalysisService.analyze_partitions" in routes
+    assert "envelope(FloodHazardAnalysisService.analyze_partitions" in routes
+
+
+def test_regional_map_uses_logical_partition_groups_and_exact_analysis() -> None:
+    workspace = (ROOT / "frontend/src/components/map/MapWorkspace.tsx").read_text(encoding="utf-8")
+    hook = (ROOT / "frontend/src/hooks/useMapThemeSelectionInsights.ts").read_text(encoding="utf-8")
+    api = (ROOT / "frontend/src/services/api/datasets.ts").read_text(encoding="utf-8")
+
+    assert "regionalScopeSelected" in workspace
+    assert "rasterPartitionsForDataset" in workspace
+    assert "imageOverlays={activeImageOverlays}" in workspace
+    assert "de juiste gemeentelijke rasters worden automatisch gecombineerd" in workspace
+    assert "selectTerrainPartitions" in hook
+    assert "selectFloodHazardPartitions" in hook
+    assert "/datasets/raster/terrain/select" in api
+    assert "/datasets/raster/flood-hazard/select" in api
+
+
+def test_maplibre_supports_multiple_persisted_raster_overlays() -> None:
+    map_source = (ROOT / "frontend/src/components/GeoMap.tsx").read_text(encoding="utf-8")
+
+    assert "imageOverlays?: MapImageOverlay[]" in map_source
+    assert "imageOverlayIdsRef" in map_source
+    assert "imageOverlays.forEach" in map_source
+    assert "bounded-raster-" in map_source
+
+
+def test_regional_analysis_does_not_create_an_authoritative_mosaic() -> None:
+    service = (ROOT / "backend/app/services/raster_partition_analysis_service.py").read_text(encoding="utf-8")
+    storage = (ROOT / "docs/STORAGE_ARCHITECTURE.md").read_text(encoding="utf-8")
+
+    assert "from rasterio.merge import merge" in service
+    assert "DatasetService" not in service
+    assert "12-million-cell limit" in storage
+    assert "does not create another authoritative raster" in storage