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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
"""
./blender.bin --background -noaudio --factory-startup --python tests/python/bl_alembic_import_test.py -- --testdir /path/to/lib/tests/alembic
"""
import pathlib
import sys
import unittest
import bpy
args = None
class SimpleImportTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.testdir = args.testdir
def setUp(self):
self.assertTrue(self.testdir.exists(),
'Test dir %s should exist' % self.testdir)
# Make sure we always start with a known-empty file.
bpy.ops.wm.open_mainfile(filepath=str(self.testdir / "empty.blend"))
def test_import_cube_hierarchy(self):
res = bpy.ops.wm.alembic_import(
filepath=str(self.testdir / "cubes-hierarchy.abc"),
as_background_job=False)
self.assertEqual({'FINISHED'}, res)
# The objects should be linked to scene_collection in Blender 2.8,
# and to scene in Blender 2.7x.
objects = bpy.context.scene.objects
self.assertEqual(13, len(objects))
# Test the hierarchy.
self.assertIsNone(objects['Cube'].parent)
self.assertEqual(objects['Cube'], objects['Cube_001'].parent)
self.assertEqual(objects['Cube'], objects['Cube_002'].parent)
self.assertEqual(objects['Cube'], objects['Cube_003'].parent)
self.assertEqual(objects['Cube_003'], objects['Cube_004'].parent)
self.assertEqual(objects['Cube_003'], objects['Cube_005'].parent)
self.assertEqual(objects['Cube_003'], objects['Cube_006'].parent)
def test_select_after_import(self):
# Add a sphere, so that there is something in the scene, selected, and active,
# before we do the Alembic import.
bpy.ops.mesh.primitive_uv_sphere_add()
sphere = bpy.context.active_object
self.assertEqual('Sphere', sphere.name)
self.assertEqual([sphere], bpy.context.selected_objects)
bpy.ops.wm.alembic_import(
filepath=str(self.testdir / "cubes-hierarchy.abc"),
as_background_job=False)
# The active object is probably the first one that was imported, but this
# behaviour is not defined. At least it should be one of the cubes, and
# not the sphere.
self.assertNotEqual(sphere, bpy.context.active_object)
self.assertTrue('Cube' in bpy.context.active_object.name)
# All cubes should be selected, but the sphere shouldn't be.
for ob in bpy.data.objects:
self.assertEqual('Cube' in ob.name, ob.select)
def main():
global args
import argparse
if '--' in sys.argv:
argv = [sys.argv[0]] + sys.argv[sys.argv.index('--')+1:]
else:
argv = sys.argv
parser = argparse.ArgumentParser()
parser.add_argument('--testdir', required=True, type=pathlib.Path)
args, remaining = parser.parse_known_args(argv)
unittest.main(argv=remaining)
if __name__ == "__main__":
import traceback
# So a python error exits Blender itself too
try:
main()
except SystemExit:
raise
except:
traceback.print_exc()
sys.exit(1)
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