Files
AnyImage/tests/anyimage/common/test_material_alpha.py
nan 489003c2cc Add new tests and functionality for image processing and geometry handling
- Introduced color_image.py for preparing standalone color images for tests.
- Added hdr_image.py to create HDR textures for testing.
- Implemented test_image_depth_panorama.py to evaluate panorama topology, UVs, and depth discontinuities.
- Created test_shadeless.py to validate the opacity and HDR color endpoints of the Shadeless group.
- Developed moge3_export.py for exporting dynamic MoGe-3 backbone and ONNX graphs.
- Added material.py to inherit material slots onto generated geometry.
- Built image_depth_panorama.py to construct a quad panorama with depth separation and sampling.
2026-09-10 14:42:17 +08:00

36 lines
2.2 KiB
Python

import bpy
import pytest
from types import SimpleNamespace
from anyimage.common import material
from tests.support.materials import image_layer
@pytest.mark.parametrize("enabled", [False, True])
@pytest.mark.parametrize("shadeless", [False, True])
@pytest.mark.parametrize("view", ["AgX", "Unknown"])
def test_material_alpha_strength_follows_preference(image_layer, monkeypatch, enabled, shadeless, view):
monkeypatch.setattr(material, "material_node_group", lambda depth_plane=False: image_layer)
monkeypatch.setattr(material, "configured_material_view_adaptation", lambda: enabled)
color = bpy.data.images.new("Alpha edge", width=2, height=2, alpha=True)
scene = SimpleNamespace(view_settings=SimpleNamespace(view_transform=view))
result = material.create_image_material(color, color, shadeless=shadeless, scene=scene)
if shadeless:
shader = next(node for node in result.node_tree.nodes if node.type == "GROUP")
assert shader.node_tree.name == "O Shadeless"
assert shader.inputs["Color"].links[0].from_node.type == "TEX_IMAGE"
assert shader.inputs["Alpha"].links[0].from_socket.name == "Alpha"
assert not any(node.type in {"MIX_SHADER", "BSDF_TRANSPARENT"} for node in result.node_tree.nodes)
assert len([node for node in result.node_tree.nodes if node.type == "GROUP"]) == 1
return
layer = next(node for node in result.node_tree.nodes if node.type == "GROUP" and node.node_tree == image_layer)
assert layer.inputs["Alpha Fix"].default_value == float(enabled)
alpha_link = layer.outputs["Alpha"].links[0]
assert alpha_link.to_node.type == "BSDF_PRINCIPLED"
assert alpha_link.to_socket.name == "Alpha"
layer.inputs["Alpha Fix"].default_value = 0.5
monkeypatch.setattr(material, "configured_material_view_adaptation", lambda: not enabled)
second = material.create_image_material(color, color, shadeless=shadeless, scene=scene)
second_layer = next(node for node in second.node_tree.nodes if node.type == "GROUP" and node.node_tree == image_layer)
assert second_layer.inputs["Alpha Fix"].default_value == float(not enabled)
assert layer.inputs["Alpha Fix"].default_value == 0.5