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