IfcOpenShell/src/bonsai/test/tool/test_root.py

# Bonsai - OpenBIM Blender Add-on
# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of Bonsai.
#
# Bonsai is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Bonsai is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

import bpy
import ifcopenshell
import ifcopenshell.api
import bonsai.core.tool
import bonsai.tool as tool
from test.bim.bootstrap import NewFile
from bonsai.tool.root import Root as subject


class TestImplementsTool(NewFile):
    def test_run(self):
        assert isinstance(subject(), bonsai.core.tool.Root)


class TestAddTrackedOpening(NewFile):
    def test_run(self):
        obj = bpy.data.objects.new("Object", None)
        subject.add_tracked_opening(obj, "OPENING")
        props = tool.Model.get_model_props()
        assert props.openings[0].obj == obj
        assert props.openings[0].name == "OPENING"


class TestCopyRepresentation(NewFile):
    def test_copying_a_product(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)
        source = ifc.createIfcWall(Representation=ifc.createIfcProductDefinitionShape())
        dest = ifc.createIfcWall()
        subject.copy_representation(source, dest)
        assert dest.Representation.is_a("IfcProductDefinitionShape")

    def test_copying_a_type_product(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)
        source = ifc.createIfcWallType(RepresentationMaps=[ifc.createIfcRepresentationMap()])
        dest = ifc.createIfcWallType()
        subject.copy_representation(source, dest)
        assert dest.RepresentationMaps[0].is_a("IfcRepresentationMap")


class TestDoesTypeHaveRepresentations(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        element = ifc.createIfcWallType()
        assert subject.does_type_have_representations(element) is False
        element.RepresentationMaps = [ifc.createIfcRepresentationMap()]
        assert subject.does_type_have_representations(element) is True


class TestGetDecompositionRelationships(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)

        element = ifc.createIfcWall()
        opening = ifc.createIfcOpeningElement()
        fill = ifc.createIfcWindow()
        ifcopenshell.api.run("feature.add_feature", ifc, feature=opening, element=element)
        ifcopenshell.api.run("feature.add_filling", ifc, opening=opening, element=fill)

        obj = bpy.data.objects.new("Object", None)
        tool.Ifc.link(fill, obj)

        assert subject.get_decomposition_relationships([obj]) == {fill: {"type": "fill", "element": element}}


class TestGetElementRepresentation(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)
        context = ifc.createIfcGeometricRepresentationContext(ContextType="Model")
        representation = ifc.createIfcShapeRepresentation(ContextOfItems=context)
        wall = ifc.createIfcWall(Representation=ifc.createIfcProductDefinitionShape(Representations=[representation]))
        assert subject.get_element_representation(wall, context) == representation


class TestGetElementType(NewFile):
    def test_run(self):
        bpy.ops.bim.create_project()
        ifc = tool.Ifc.get()
        element = ifc.createIfcWall()
        type = ifc.createIfcWallType()
        ifcopenshell.api.run("type.assign_type", ifc, related_objects=[element], relating_type=type)
        assert subject.get_element_type(element) == type


class TestGetObjectName(NewFile):
    def test_run(self):
        obj = bpy.data.objects.new("Object", None)
        assert subject.get_object_name(obj) == "Object"

    def test_blender_number_suffixes_are_ignored(self):
        obj = bpy.data.objects.new("Object.001", None)
        assert subject.get_object_name(obj) == "Object"
        obj = bpy.data.objects.new("Object.foo.123", None)
        assert subject.get_object_name(obj) == "Object.foo"


class TestGetObjectRepresentation(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)
        representation = ifc.createIfcShapeRepresentation()
        obj = bpy.data.objects.new("Object", (mesh := bpy.data.meshes.new("Mesh")))
        tool.Geometry.get_mesh_props(mesh).ifc_definition_id = representation.id()
        assert subject.get_object_representation(obj) == representation


class TestGetRepresentationContext(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        tool.Ifc.set(ifc)
        context = ifc.createIfcGeometricRepresentationContext()
        representation = ifc.createIfcShapeRepresentation(ContextOfItems=context)
        assert subject.get_representation_context(representation) == context


class TestIsElementA(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        assert subject.is_element_a(ifc.createIfcWall(), "IfcSlab") is False
        assert subject.is_element_a(ifc.createIfcOpeningElement(), "IfcOpeningElement") is True


class TestLinkObjectData(NewFile):
    def test_run(self):
        data = bpy.data.meshes.new("Mesh")
        source = bpy.data.objects.new("Object", data)
        destination = bpy.data.objects.new("Object", bpy.data.meshes.new("Mesh"))
        subject.link_object_data(source, destination)
        assert source.data == data
        assert source.data == destination.data


class TestRunGeometryAddRepresntation(NewFile):
    def test_nothing(self):
        pass


class TestSetObjectName(NewFile):
    def test_run(self):
        ifc = ifcopenshell.file()
        obj = bpy.data.objects.new("Object", bpy.data.meshes.new("Mesh"))
        element = ifc.createIfcWall()
        subject.set_object_name(obj, element)
        assert obj.name == "IfcWall/Unnamed"

    def test_existing_blender_names_are_ignored(self):
        ifc = ifcopenshell.file()
        obj = bpy.data.objects.new("IfcSlab/Object", bpy.data.meshes.new("Mesh"))
        element = ifc.createIfcWall()
        element.Name = "Foobar"
        subject.set_object_name(obj, element)
        assert obj.name == "IfcWall/Foobar"


class TestReassignClass(NewFile):
    def test_reassign_type_to_reassign_occurrences(self):
        tool.Project.get_project_props().template_file = "IFC4 Demo Template.ifc"
        bpy.ops.bim.create_project()
        ifc_file = tool.Ifc.get()
        context = bpy.context

        n_wall_types = len(ifc_file.by_type("IfcWallType"))
        n_slab_types = len(ifc_file.by_type("IfcSlabType"))
        relating_type = ifc_file.by_type("IfcSlabType")[0]
        relating_type_obj = tool.Ifc.get_object(relating_type)
        assert isinstance(relating_type_obj, bpy.types.Object)
        relating_type_id = relating_type.id()

        # Add occurrences.
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)

        # Run operator.
        tool.Blender.set_objects_selection(context, relating_type_obj, selected_objects=(relating_type_obj,))
        props = tool.Root.get_root_props()
        props.ifc_product = "IfcElementType"
        props.ifc_class = "IfcWallType"
        bpy.ops.bim.reassign_class()

        assert len(ifc_file.by_type("IfcWall")) == 3
        assert len(ifc_file.by_type("IfcSlab")) == 0
        assert len(ifc_file.by_type("IfcWallType")) == n_wall_types + 1
        assert len(ifc_file.by_type("IfcSlabType")) == n_slab_types - 1
        for wall in ifc_file.by_type("IfcWall"):
            assert isinstance(obj := tool.Ifc.get_object(wall), bpy.types.Object)
            assert obj.name.startswith("IfcWall/")

    def test_reassigning_multiple_occurrences_of_the_same_type(self):
        tool.Project.get_project_props().template_file = "IFC4 Demo Template.ifc"
        bpy.ops.bim.create_project()
        ifc_file = tool.Ifc.get()
        context = bpy.context
        relating_type_id = ifc_file.by_type("IfcSlabType")[0].id()
        n_wall_types = len(ifc_file.by_type("IfcWallType"))
        n_slab_types = len(ifc_file.by_type("IfcSlabType"))

        # create 3 slabs
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)
        bpy.ops.bim.add_occurrence(relating_type_id=relating_type_id)

        slabs = [tool.Ifc.get_object(e) for e in ifc_file.by_type("IfcSlab")]
        assert len(slabs) == 3
        tool.Blender.set_objects_selection(context, slabs[0], (slabs[1],))

        props = tool.Root.get_root_props()
        props.ifc_product = "IfcElement"
        props.ifc_class = "IfcWall"
        bpy.ops.bim.reassign_class()

        assert len(ifc_file.by_type("IfcWall")) == 3
        assert len(ifc_file.by_type("IfcSlab")) == 0
        assert len(ifc_file.by_type("IfcWallType")) == n_wall_types + 1
        assert len(ifc_file.by_type("IfcSlabType")) == n_slab_types - 1