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# ############################################################
# Importing - Same For All Render Layer Tests
# ############################################################
import unittest
import os
import sys
from view_layer_common import *
# ############################################################
# Testing
# ############################################################
class UnitTesting(ViewLayerTesting):
def test_group_delete_object(self):
"""
See if we can safely remove instanced objects
"""
import bpy
scene = bpy.context.scene
view_layer = bpy.context.view_layer
ob = bpy.context.object
# clean up the scene a bit
for o in (o for o in view_layer.objects if o != ob):
view_layer.collections[0].collection.objects.unlink(o)
for v in (v for v in scene.view_layers if v != view_layer):
scene.view_layers.remove(v)
# update depsgraph
scene.update()
# create group
group = bpy.data.groups.new("Switch")
group.objects.link(ob)
# update depsgraph
scene.update()
# instance the group
empty = bpy.data.objects.new("Empty", None)
bpy.context.scene_collection.objects.link(empty)
layer_collection = bpy.context.layer_collection
empty.dupli_type = 'GROUP'
empty.dupli_group = group
# prepare to delete the original object
# we could just pass an overridden context
# but let's do it the old fashion way
view_layer.objects.active = ob
ob.select_set('SELECT')
self.assertTrue(ob.select_get())
empty.select_set('DESELECT')
self.assertFalse(empty.select_get())
# update depsgraph
scene.update()
# delete the original object
bpy.ops.object.delete()
# ############################################################
# Main - Same For All Render Layer Tests
# ############################################################
if __name__ == '__main__':
UnitTesting._extra_arguments = setup_extra_arguments(__file__)
unittest.main()
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