Add Infinity_Vis_1 performance core

Infinity_Vis_1/tests/test_mapping_xml.py

@@ -0,0 +1,27 @@
+from pathlib import Path
+import unittest
+
+from Infinity_Vis_1.infinity_vis_1.mapping_xml import load_mapping, load_mapping_from_string, mapping_to_xml_string
+
+
+class MappingXmlTests(unittest.TestCase):
+    def test_load_sample_mapping(self) -> None:
+        path = Path(__file__).resolve().parents[2] / "sample_data" / "infinity_mirror_mapping_clean.xml"
+        mapping = load_mapping(path)
+        self.assertEqual(mapping.rows, 3)
+        self.assertEqual(mapping.cols, 6)
+        self.assertEqual(len(mapping.tiles), 18)
+        self.assertEqual(mapping.tiles[0].led_total, 106)
+
+    def test_round_trip_preserves_tile_count(self) -> None:
+        path = Path(__file__).resolve().parents[2] / "sample_data" / "infinity_mirror_mapping_clean.xml"
+        mapping = load_mapping(path)
+        xml_text = mapping_to_xml_string(mapping)
+        restored = load_mapping_from_string(xml_text)
+        self.assertEqual(len(restored.tiles), len(mapping.tiles))
+        self.assertEqual(restored.rows, mapping.rows)
+        self.assertEqual(restored.cols, mapping.cols)
+
+
+if __name__ == "__main__":
+    unittest.main()