fix(deckgl): show dashboard filter badges for multi-layer charts (#40003)

Co-authored-by: Evan Rusackas <evan@rusackas.com>
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

tests/integration_tests/viz_tests.py

@@ -27,7 +27,7 @@ import tests.integration_tests.test_app  # noqa: F401
 import superset.viz as viz
 from flask import current_app
 from superset.exceptions import QueryObjectValidationError, SpatialException
-from superset.utils.core import DTTM_ALIAS
+from superset.utils.core import DTTM_ALIAS, ExtraFiltersReasonType
 from superset.utils.pandas_postprocessing.utils import FLAT_COLUMN_SEPARATOR
 from tests.conftest import with_config
 
@@ -1849,6 +1849,79 @@ class TestDeckGLMultiLayer(SupersetTestCase):
         assert len(result["slices"]) == 1
         assert result["slices"][0] == slice_1.data
 
+    @with_config({"MAPBOX_API_KEY": "test_key"})
+    @patch("superset.viz.viz_types")
+    @patch("superset.db.session")
+    def test_get_payload_includes_subslice_filter_metadata(
+        self,
+        mock_db_session,
+        mock_viz_types,
+    ):
+        """Test deck.gl multi-layer payload includes child filter metadata."""
+        datasource = self.get_datasource_mock()
+
+        slice_1 = Mock()
+        slice_1.form_data = {"viz_type": "deck_scatter"}
+        slice_1.data = {"features": [{"type": "Feature"}]}
+        slice_1.datasource = datasource
+
+        slice_2 = Mock()
+        slice_2.form_data = {"viz_type": "deck_path"}
+        slice_2.data = {"features": [{"type": "Feature"}]}
+        slice_2.datasource = datasource
+
+        mock_db_session.query.return_value.filter.return_value.all.return_value = [
+            slice_1,
+            slice_2,
+        ]
+
+        mock_scatter_viz_class = Mock()
+        mock_scatter_viz_instance = Mock()
+        mock_scatter_viz_instance.get_payload.return_value = {
+            "data": {"features": [{"id": 1}]},
+            "applied_filters": [{"column": "Latitude"}],
+            "rejected_filters": [],
+        }
+        mock_scatter_viz_class.return_value = mock_scatter_viz_instance
+
+        mock_path_viz_class = Mock()
+        mock_path_viz_instance = Mock()
+        mock_path_viz_instance.get_payload.return_value = {
+            "data": {"features": [{"id": 2}]},
+            "applied_filters": [
+                {"column": "Latitude"},
+                {"column": "Longitude"},
+            ],
+            "rejected_filters": [
+                {
+                    "column": "Country",
+                    "reason": ExtraFiltersReasonType.COL_NOT_IN_DATASOURCE,
+                },
+            ],
+        }
+        mock_path_viz_class.return_value = mock_path_viz_instance
+
+        mock_viz_types.get.side_effect = lambda viz_type: {
+            "deck_scatter": mock_scatter_viz_class,
+            "deck_path": mock_path_viz_class,
+        }.get(viz_type)
+
+        test_viz = viz.DeckGLMultiLayer(datasource, {"deck_slices": [1, 2]})
+        test_viz.get_df_payload = Mock(return_value={"df": pd.DataFrame()})
+
+        result = test_viz.get_payload()
+
+        assert result["applied_filters"] == [
+            {"column": "Latitude"},
+            {"column": "Longitude"},
+        ]
+        assert result["rejected_filters"] == [
+            {
+                "column": "Country",
+                "reason": ExtraFiltersReasonType.COL_NOT_IN_DATASOURCE,
+            },
+        ]
+
     @with_config({"MAPBOX_API_KEY": "test_key"})
     def test_get_data_empty_deck_slices(self):
         """Test get_data method with empty deck_slices."""