Unit test to verify we can inspect the schema contents

rerun_py/tests/unit/test_dataframe.py

@@ -95,6 +95,23 @@ def test_recording_info(self) -> None:
         assert self.recording.application_id() == APP_ID
         assert self.recording.recording_id() == str(RECORDING_ID)
 
+    def test_schema(self) -> None:
+        schema = self.recording.schema()
+
+        assert len(schema.index_columns()) == 3
+        # Points3DIndicator, Position3D, Color
+        assert len(schema.component_columns()) == 3
+
+        assert schema.index_columns()[0].name == "log_tick"
+        assert schema.index_columns()[1].name == "log_time"
+        assert schema.index_columns()[2].name == "my_index"
+        assert schema.component_columns()[0].entity_path == "/points"
+        assert schema.component_columns()[0].component_name == "rerun.components.Color"
+        assert schema.component_columns()[1].entity_path == "/points"
+        assert schema.component_columns()[1].component_name == "rerun.components.Points3DIndicator"
+        assert schema.component_columns()[2].entity_path == "/points"
+        assert schema.component_columns()[2].component_name == "rerun.components.Position3D"
+
     def test_full_view(self) -> None:
         view = self.recording.view(index="my_index", contents="points")