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# SPDX-FileCopyrightText: 2017-2022 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
# ############################################################
# Importing - Same For All Render Layer Tests
# ############################################################
import unittest
from view_layer_common import (
ViewLayerTesting,
setup_extra_arguments,
)
# ############################################################
# Testing
# ############################################################
class UnitTesting(ViewLayerTesting):
def test_operator_context(self):
"""
See if view layer context is properly set/get with operators overrides
when we set view_layer in context, the collection should change as well
"""
import bpy
import os
class SampleOperator(bpy.types.Operator):
bl_idname = "testing.sample"
bl_label = "Sample Operator"
view_layer = bpy.props.StringProperty(
default="Not Set",
options={'SKIP_SAVE'},
)
scene_collection = bpy.props.StringProperty(
default="",
options={'SKIP_SAVE'},
)
use_verbose = bpy.props.BoolProperty(
default=False,
options={'SKIP_SAVE'},
)
def execute(self, context):
view_layer = context.view_layer
ret = {'FINISHED'}
# this is simply playing safe
if view_layer.name != self.view_layer:
if self.use_verbose:
print('ERROR: Render Layer mismatch: "{0}" != "{1}"'.format(
view_layer.name, self.view_layer))
ret = {'CANCELLED'}
scene_collection_name = None
if self.scene_collection:
scene_collection_name = self.scene_collection
else:
scene_collection_name = view_layer.collections.active.name
# while this is the real test
if context.scene_collection.name != scene_collection_name:
if self.use_verbose:
print('ERROR: Scene Collection mismatch: "{0}" != "{1}"'.format(
context.scene_collection.name, scene_collection_name))
ret = {'CANCELLED'}
return ret
bpy.utils.register_class(SampleOperator)
# open sample file
ROOT = self.get_root()
filepath_layers = os.path.join(ROOT, 'layers.blend')
bpy.ops.wm.open_mainfile('EXEC_DEFAULT', filepath=filepath_layers)
self.rename_collections()
# change the file
three_b = bpy.data.objects.get('T.3b')
three_c = bpy.data.objects.get('T.3c')
scene = bpy.context.scene
subzero = scene.master_collection.collections['1'].collections.new('sub-zero')
scorpion = subzero.collections.new('scorpion')
subzero.objects.link(three_b)
scorpion.objects.link(three_c)
layer = scene.view_layers.new('Fresh new Layer')
layer.collections.unlink(layer.collections.active)
layer.collections.link(subzero)
layer.collections.active_index = 3
self.assertEqual(layer.collections.active.name, 'scorpion')
# Change active scene layer (do it for window too just to don't get mangled in window bugs)
scene = bpy.context.scene
bpy.context.window.view_layer = bpy.context.scene.view_layers['Viewport']
# old layer
self.assertEqual(bpy.ops.testing.sample(view_layer='Viewport', use_verbose=True), {'FINISHED'})
# expected to fail
self.assertTrue(bpy.ops.testing.sample(view_layer=layer.name), {'CANCELLED'})
# set view layer and scene collection
override = bpy.context.copy()
override["view_layer"] = layer
override["scene_collection"] = subzero
self.assertEqual(bpy.ops.testing.sample(
override,
view_layer=layer.name,
scene_collection=subzero.name, # 'sub-zero'
use_verbose=True), {'FINISHED'})
# set only view layer
override = bpy.context.copy()
override["view_layer"] = layer
self.assertNotEqual(bpy.context.view_layer.name, layer.name)
self.assertNotEqual(bpy.context.scene_collection.name, layer.collections.active.name)
self.assertEqual(bpy.ops.testing.sample(
override,
view_layer=layer.name,
scene_collection=layer.collections.active.name, # 'scorpion'
use_verbose=False), {'CANCELLED'})
# ############################################################
# Main - Same For All Render Layer Tests
# ############################################################
if __name__ == '__main__':
UnitTesting._extra_arguments = setup_extra_arguments(__file__)
unittest.main()
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