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workinf_Blender_Wasm/blender-5.2.0/tests/python/bl_geometry_attributes.py
2026-08-12 04:47:48 -04:00

181 lines
7.5 KiB
Python

# SPDX-FileCopyrightText: 2024 Blender Authors
#
# SPDX-License-Identifier: Apache-2.0
# ./blender.bin --background --python tests/python/bl_geometry_attributes.py -- --verbose
import bpy
import unittest
class TestCurves(unittest.TestCase):
def setUp(self):
self.curves = bpy.data.hair_curves.new("test")
# 50 points, 4 curves
self.curves.add_curves([5, 10, 15, 20])
def tearDown(self):
bpy.data.hair_curves.remove(self.curves)
del self.curves
def test_add_attribute(self):
a = self.curves.attributes.new("a", 'FLOAT', 'POINT')
self.assertTrue(a.name == "a")
self.assertTrue(a.data_type == 'FLOAT')
self.assertTrue(a.domain == 'POINT')
self.assertTrue(a.storage_type == 'ARRAY')
self.assertFalse(a.is_internal)
self.assertTrue(len(a.data) == 50)
def test_is_required(self):
a = self.curves.attributes.new("a", 'FLOAT', 'POINT')
self.assertFalse(a.is_required)
self.assertTrue(self.curves.attributes["position"].is_required)
def test_pointer_stability_on_add(self):
attrs = [self.curves.attributes.new("a" + str(i), 'FLOAT', 'POINT') for i in range(100)]
for i in range(100):
self.assertTrue(attrs[i].name == "a" + str(i))
self.assertTrue(attrs[i].data_type == 'FLOAT')
self.assertTrue(attrs[i].domain == 'POINT')
# Remove some attributes
for i in range(50):
self.curves.attributes.remove(attrs[i])
del attrs[i]
self.assertTrue(len(self.curves.attributes) == 51)
self.assertTrue(self.curves.attributes["a51"].name == "a51")
def test_add_same_name(self):
a = self.curves.attributes.new("a", 'FLOAT', 'POINT')
b = self.curves.attributes.new("a", 'BOOLEAN', 'CURVE')
self.assertFalse(a.name == b.name)
def test_add_wrong_domain(self):
with self.assertRaises(RuntimeError):
self.curves.attributes.new("a", 'FLOAT', 'CORNER')
def rename_attribute(self, name, new_name):
with self.assertRaises(RuntimeError):
self.curves.attributes["position"].name = "asjhfksjhdfkjsh"
a = self.curves.attributes.new("a", 'FLOAT', 'POINT')
a.name = "better_name"
self.assertTrue(a.name == "better_name")
self.assertTrue(self.curves.attributes["better_name"].name == "better_name")
def test_long_name(self):
self.curves.attributes.new("a" * 100, 'FLOAT', 'POINT')
self.assertTrue(self.curves.attributes["a" * 100].name == "a" * 100)
class TestMesh(unittest.TestCase):
def setUp(self):
self.mesh = bpy.data.meshes.new("test")
self.mesh.vertices.add(10)
def tearDown(self):
bpy.data.meshes.remove(self.mesh)
del self.mesh
def test_set_active_color_attribute_if_empty(self):
self.assertTrue(self.mesh.attributes.active_color_name == "")
self.assertTrue(self.mesh.attributes.default_color_name == "")
self.mesh.attributes.new("a", 'FLOAT_COLOR', 'POINT')
self.assertTrue(self.mesh.attributes.active_color_name == "a")
self.assertTrue(self.mesh.attributes.default_color_name == "a")
self.mesh.attributes.new("b", 'FLOAT_COLOR', 'POINT')
self.assertTrue(self.mesh.attributes.active_color_name == "a")
self.assertTrue(self.mesh.attributes.default_color_name == "a")
def test_set_active_uv_map_if_empty(self):
self.assertTrue(self.mesh.uv_layers.active is None)
self.mesh.attributes.new("a", 'FLOAT2', 'CORNER')
self.assertTrue(self.mesh.uv_layers.active is not None)
self.assertTrue(self.mesh.uv_layers.active.name == "a")
self.mesh.attributes.new("b", 'FLOAT2', 'CORNER')
self.assertTrue(self.mesh.uv_layers.active is not None)
self.assertTrue(self.mesh.uv_layers.active.name == "a")
class MeshObjectTest(unittest.TestCase):
def setUp(self):
self.mesh = bpy.data.meshes.new("test")
self.mesh.from_pydata([(0, 0, 0), (1, 0, 0), (1, 1, 0), (0, 1, 0)], [], [(0, 1, 2, 3)])
self.obj = bpy.data.objects.new("test", self.mesh)
bpy.context.scene.collection.objects.link(self.obj)
bpy.context.view_layer.objects.active = self.obj
def tearDown(self):
bpy.data.objects.remove(self.obj)
bpy.data.meshes.remove(self.mesh)
del self.obj
del self.mesh
class TestMeshVertexGroupNameClash(MeshObjectTest):
def test_add_attribute(self):
self.obj.vertex_groups.new(name="UVMap")
attribute = self.mesh.attributes.new("UVMap", 'FLOAT2', 'CORNER')
self.assertFalse(attribute.name == "UVMap")
self.assertTrue("UVMap" in [group.name for group in self.obj.vertex_groups])
def test_add_attribute_operator(self):
self.obj.vertex_groups.new(name="UVMap")
bpy.ops.geometry.attribute_add(name="UVMap", domain='CORNER', data_type='FLOAT2')
self.assertFalse(self.mesh.attributes.active.name == "UVMap")
self.assertTrue("UVMap" in [group.name for group in self.obj.vertex_groups])
def test_add_uv_map(self):
self.obj.vertex_groups.new(name="UVMap")
uv_map = self.mesh.uv_layers.new(name="UVMap")
self.assertFalse(uv_map.name == "UVMap")
self.assertTrue("UVMap" in [group.name for group in self.obj.vertex_groups])
def test_convert_to_vertex_group_then_add_uv(self):
self.mesh.uv_layers.new(name="UVMap")
self.mesh.attributes.active = self.mesh.attributes["UVMap"]
bpy.ops.geometry.attribute_convert(mode='VERTEX_GROUP')
uv_map = self.mesh.uv_layers.new()
self.assertFalse(uv_map.name == "UVMap")
class TestMeshAttributeConvert(MeshObjectTest):
def test_convert_active_color_to_generic(self):
self.mesh.attributes.new("Col", 'FLOAT_COLOR', 'POINT')
self.mesh.attributes.active = self.mesh.attributes["Col"]
self.assertTrue(self.mesh.attributes.active_color_name == "Col")
bpy.ops.geometry.attribute_convert(mode='GENERIC', domain='POINT', data_type='FLOAT')
self.assertTrue(self.mesh.attributes.active_color_name == "")
def test_convert_active_color_to_generic_picks_next(self):
self.mesh.attributes.new("ColA", 'FLOAT_COLOR', 'POINT')
self.mesh.attributes.new("ColB", 'FLOAT_COLOR', 'POINT')
self.assertTrue(self.mesh.attributes.active_color_name == "ColA")
self.mesh.attributes.active = self.mesh.attributes["ColA"]
bpy.ops.geometry.attribute_convert(mode='GENERIC', domain='POINT', data_type='FLOAT')
self.assertTrue(self.mesh.attributes.active_color_name == "ColB")
def test_convert_active_color_to_color_keeps_active(self):
self.mesh.attributes.new("Col", 'FLOAT_COLOR', 'POINT')
self.mesh.attributes.active = self.mesh.attributes["Col"]
bpy.ops.geometry.attribute_convert(mode='GENERIC', domain='POINT', data_type='BYTE_COLOR')
self.assertTrue(self.mesh.attributes.active_color_name == "Col")
def test_convert_active_uv_to_uv_keeps_active(self):
self.mesh.uv_layers.new(name="UVA")
self.mesh.uv_layers.new(name="UVB")
self.mesh.uv_layers.active = self.mesh.uv_layers["UVA"]
self.mesh.attributes.active = self.mesh.attributes["UVA"]
bpy.ops.geometry.attribute_convert(mode='GENERIC', domain='CORNER', data_type='FLOAT2')
self.assertTrue(self.mesh.uv_layers.active.name == "UVA")
if __name__ == '__main__':
import sys
sys.argv = [__file__] + (sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else [])
unittest.main()