def test_a_texture_without_an_image_filepath_is_not_supported(self):
obj = bpy.data.materials.new("Material")
obj.use_nodes = True
bsdf = obj.node_tree.nodes["Principled BSDF"]
node = obj.node_tree.nodes.new(type="ShaderNodeTexImage")
obj.node_tree.links.new(bsdf.inputs["Base Color"], node.outputs["Color"])
assert subject.can_support_texture_style(obj) is False
def test_the_texture_needs_to_connect_to_the_bsdf(self):
obj = bpy.data.materials.new("Material")
obj.use_nodes = True
bsdf = obj.node_tree.nodes["Principled BSDF"]
node = obj.node_tree.nodes.new(type="ShaderNodeTexImage")
cwd = os.path.dirname(os.path.realpath(__file__))
image_path = os.path.join(cwd, "..", "files", "image.jpg")
node.image = bpy.data.images.load(image_path)
assert subject.can_support_texture_style(obj) is False
def test_we_need_at_least_one_image_connected_to_a_bsdf(self):
obj = bpy.data.materials.new("Material")
obj.use_nodes = True
bsdf = obj.node_tree.nodes["Principled BSDF"]
node = obj.node_tree.nodes.new(type="ShaderNodeTexImage")
cwd = os.path.dirname(os.path.realpath(__file__))
image_path = os.path.join(cwd, "..", "files", "image.jpg")
node.image = bpy.data.images.load(image_path)
obj.node_tree.links.new(bsdf.inputs["Base Color"], node.outputs["Color"])
assert subject.can_support_texture_style(obj) is True
def test_without_nodes_we_do_not_support_textures(self):
obj = bpy.data.materials.new("Material")
obj.use_nodes = False
assert subject.can_support_texture_style(obj) is False