very basic testing for the lattice property of Scene

Author: orionarcher

crystal_toolkit/core/tests/test_legend.py

@@ -171,3 +171,10 @@ def test_msonable(self):
         legend_from_dict = Legend.from_dict(legend_dict)
 
         assert legend.get_legend() == legend_from_dict.get_legend()
+
+    def test_get_tiling(self):
+        scene = self.struct.get_scene()
+        assert hasattr(scene, 'lattice')
+        assert scene.lattice == [[5.0, 0, 0],
+                                 [0, 5.0, 0],
+                                 [0, 0, 5.0]]