1 files changed, 64 insertions, 0 deletions
diff --git a/tests/python/view_layer/test_background_set.py b/tests/python/view_layer/test_background_set.py
new file mode 100644
index 00000000000..a26229d53a9
--- /dev/null
+++ b/tests/python/view_layer/test_background_set.py
@@ -0,0 +1,64 @@
+# ############################################################
+# Importing - Same For All Render Layer Tests
+# ############################################################
+
+import unittest
+import os
+import sys
+
+from view_layer_common import *
+
+
+# ############################################################
+# Testing
+# ############################################################
+
+class UnitTesting(ViewLayerTesting):
+    def test_background_set(self):
+        """
+        See if background sets are properly added and removed
+        """
+        import bpy
+
+        background_scene = bpy.data.scenes[0]
+        main_scene = bpy.data.scenes.new('main')
+        bpy.context.window.scene = main_scene
+
+        # Update depsgraph.
+        main_scene.update()
+
+        # Safety check, there should be no objects in thew newly created scene.
+        self.assertEqual(0, len(bpy.context.depsgraph.objects))
+
+        # Now set the background set, and objects relationship.
+        main_scene.background_set = background_scene
+        background_scene.objects[0].parent = background_scene.objects[1]
+
+        # Update depsgraph.
+        main_scene.update()
+
+        # Test if objects were properly added to depsgraph.
+        self.assertEqual(3, len(bpy.context.depsgraph.objects))
+
+        # We now check if the objects are properly flagged as from set
+        # These objects can't be possible nor show their origins or
+        # relationship lines
+        for ob in bpy.context.depsgraph.objects:
+            self.assertTrue(ob.is_from_set)
+
+        # Test if removing is working fine.
+        main_scene.background_set = None
+
+        # Update depsgraph.
+        main_scene.update()
+
+        self.assertEqual(0, len(bpy.context.depsgraph.objects))
+
+
+# ############################################################
+# Main - Same For All Render Layer Tests
+# ############################################################
+
+if __name__ == '__main__':
+    UnitTesting._extra_arguments = setup_extra_arguments(__file__)
+    unittest.main()