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# SPDX-License-Identifier: Apache-2.0
# ./blender.bin --background -noaudio --python tests/python/bl_id_management.py -- --verbose
import bpy
import unittest
import random
class TestHelper:
@property
def data_container(self):
return getattr(bpy.data, self.data_container_id)
def clear_container(self):
bpy.data.batch_remove(self.data_container)
def add_to_container(self, name=""):
return self.data_container.new(name)
def remove_from_container(self, data=None, name=None, index=None):
data_container = self.data_container
if not data:
if name:
data = data_container[name]
elif index:
data = data_container[index]
self.assertTrue(data is not None)
data_container.remove(data)
def add_items_with_randomized_names(self, number_items=1, name_prefix=None, name_suffix=""):
if name_prefix is None:
name_prefix = self.default_name
for i in range(number_items):
self.add_to_container(name=name_prefix + str(random.random())[2:5] + name_suffix)
def ensure_proper_order(self):
id_prev = None
for id in self.data_container:
if id_prev:
self.assertTrue(id_prev.name < id.name or id.library)
id_prev = id
class TestIdAddNameManagement(TestHelper, unittest.TestCase):
data_container_id = 'meshes'
default_name = "Mesh"
def test_add_remove_single(self):
self.clear_container()
self.assertEqual(len(self.data_container), 0)
data = self.add_to_container()
self.assertEqual(len(self.data_container), 1)
self.ensure_proper_order()
self.remove_from_container(data=data)
self.assertEqual(len(self.data_container), 0)
def test_add_head_tail(self):
self.clear_container()
self.add_items_with_randomized_names(10)
self.assertEqual(len(self.data_container), 10)
self.ensure_proper_order()
name_head = "AAA" + self.default_name
data = self.add_to_container(name=name_head)
self.assertEqual(len(self.data_container), 11)
self.assertEqual(self.data_container[0].name, name_head)
self.ensure_proper_order()
name_tail = "ZZZ" + self.default_name
data = self.add_to_container(name=name_tail)
self.assertEqual(len(self.data_container), 12)
self.assertEqual(self.data_container[-1].name, name_tail)
self.ensure_proper_order()
def test_add_long_names(self):
self.clear_container()
self.add_items_with_randomized_names(10)
self.assertEqual(len(self.data_container), 10)
self.ensure_proper_order()
for i in range(12000):
self.add_to_container(name="ABCDEFGHIJKLMNOPQRSTUVWXYZ" * 3)
self.assertEqual(len(self.data_container), 12010)
self.ensure_proper_order()
self.clear_container()
self.add_items_with_randomized_names(100, name_prefix="", name_suffix="ABCDEFGHIJKLMNOPQRSTUVWXYZ" * 3)
self.assertEqual(len(self.data_container), 100)
self.ensure_proper_order()
def test_add_invalid_number_suffixes(self):
self.clear_container()
name = "%s.%.3d" % (self.default_name, 1000000000)
data = self.add_to_container(name=name)
self.assertEqual(data.name, name)
data = self.add_to_container(name=name)
self.assertEqual(data.name, self.default_name + ".001")
data = self.add_to_container(name=name)
self.assertEqual(data.name, self.default_name + ".002")
data = self.add_to_container(name=self.default_name)
self.assertEqual(data.name, self.default_name)
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 0))
self.assertEqual(data.name, self.default_name + ".000")
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 0))
self.assertEqual(data.name, self.default_name + ".003")
self.assertEqual(len(self.data_container), 6)
self.ensure_proper_order()
def test_add_use_smallest_free_number(self):
self.clear_container()
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 2))
self.assertEqual(data.name, self.default_name + ".002")
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 2))
self.assertEqual(data.name, self.default_name + ".001")
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 2))
self.assertEqual(data.name, self.default_name + ".003")
for i in range(5, 1111):
name = "%s.%.3d" % (self.default_name, i)
data = self.add_to_container(name=name)
self.assertEqual(data.name, name)
for i in range(1112, 1200):
name = "%s.%.3d" % (self.default_name, i)
data = self.add_to_container(name=name)
self.assertEqual(data.name, name)
# Only slot available below 1024: 004.
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 2))
self.assertEqual(data.name, self.default_name + ".004")
# Slot available at 1111 is not 'found' and we get first highest free number, 1200.
data = self.add_to_container(name="%s.%.3d" % (self.default_name, 2))
self.assertEqual(data.name, self.default_name + ".1200")
self.assertEqual(len(self.data_container), 1199)
self.ensure_proper_order()
class TestIdRename(TestHelper, unittest.TestCase):
data_container_id = 'meshes'
default_name = "Mesh"
def test_rename(self):
self.clear_container()
self.add_items_with_randomized_names(100)
self.ensure_proper_order()
data = self.data_container[0]
data.name = "ZZZ" + data.name
self.assertEqual(self.data_container[-1], data)
self.ensure_proper_order()
data.name = "AAA" + data.name
self.assertEqual(self.data_container[0], data)
self.ensure_proper_order()
name = "%s.%.3d" % (self.default_name, 1000000000)
data.name = name
self.assertEqual(data.name, name)
for dt in self.data_container:
if dt is not data:
data = dt
break
data.name = name
# This can fail currently, see T71244.
# ~ self.assertEqual(data.name, self.default_name + ".001")
self.ensure_proper_order()
if __name__ == '__main__':
import sys
sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
unittest.main()
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