Implement support for managing nest hosts and components.

src/blenderbim/test/core/bootstrap.py

@@ -126,6 +126,13 @@ def misc():
     prophet.verify()
 
 
+@pytest.fixture
+def nest():
+    prophet = Prophecy(blenderbim.core.tool.Nest)
+    yield prophet
+    prophet.verify()
+
+
 @pytest.fixture
 def owner():
     prophet = Prophecy(blenderbim.core.tool.Owner)

src/blenderbim/test/core/test_nest.py

@@ -0,0 +1,59 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on 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.
+#
+# BlenderBIM Add-on 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 BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import blenderbim.core.nest as subject
+from test.core.bootstrap import ifc, nest, collector
+
+
+class TestEnableEditingNeset:
+    def test_run(self, nest):
+        nest.enable_editing("obj").should_be_called()
+        subject.enable_editing_nest(nest, obj="obj")
+
+
+class TestDisableEditingNest:
+    def test_run(self, nest):
+        nest.disable_editing("obj").should_be_called()
+        subject.disable_editing_nest(nest, obj="obj")
+
+
+class TestAssignObject:
+    def test_run(self, ifc, nest, collector):
+        nest.can_nest("relating_obj", "related_obj").should_be_called().will_return(True)
+        ifc.get_entity("relating_obj").should_be_called().will_return("relating_object")
+        ifc.get_entity("related_obj").should_be_called().will_return("related_object")
+        ifc.run(
+            "nest.assign_object", related_object="related_object", relating_object="relating_object"
+        ).should_be_called().will_return("rel")
+        nest.disable_editing("related_obj").should_be_called()
+        collector.assign("relating_obj").should_be_called()
+        collector.assign("related_obj").should_be_called()
+        assert (
+            subject.assign_object(ifc, nest, collector, relating_obj="relating_obj", related_obj="related_obj") == "rel"
+        )
+
+
+class TestUnassignObject:
+    def test_run(self, ifc, nest, collector):
+        ifc.get_entity("related_obj").should_be_called().will_return("element")
+        nest.get_container("element").should_be_called().will_return("container")
+        ifc.run("spatial.assign_container", product="element", relating_structure="container").should_be_called()
+        ifc.run("nest.unassign_object", related_object="element").should_be_called().will_return("rel")
+        collector.assign("relating_obj").should_be_called()
+        collector.assign("related_obj").should_be_called()
+        subject.unassign_object(ifc, nest, collector, relating_obj="relating_obj", related_obj="related_obj")

src/blenderbim/test/tool/test_aggregate.py

@@ -29,10 +29,6 @@ class TestImplementsTool(NewFile):
         assert isinstance(subject(), blenderbim.core.tool.Aggregate)
 
 
-
-
-
-
 class TestCanAggregate(NewFile):
     def test_elements_can_aggregate(self):
         ifc = ifcopenshell.file()
@@ -107,6 +103,7 @@ class TestCanAggregate(NewFile):
         tool.Ifc.link(subelement, subelement_obj)
         assert subject.can_aggregate(element_obj, subelement_obj) is False
 
+
 class TestDisableEditing(NewFile):
     def test_run(self):
         obj = bpy.data.objects.new("Object", None)

src/blenderbim/test/tool/test_nest.py

@@ -0,0 +1,74 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on 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.
+#
+# BlenderBIM Add-on 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 BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import ifcopenshell
+import blenderbim.core.tool
+import blenderbim.tool as tool
+from test.bim.bootstrap import NewFile
+from blenderbim.tool.nest import Nest as subject
+
+
+class TestImplementsTool(NewFile):
+    def test_run(self):
+        assert isinstance(subject(), blenderbim.core.tool.Nest)
+
+
+class TestCanNest(NewFile):
+    def test_elements_can_nest(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        element = ifc.createIfcElementAssembly()
+        element_obj = bpy.data.objects.new("Object", None)
+        tool.Ifc.link(element, element_obj)
+        subelement = ifc.createIfcBeam()
+        subelement_obj = bpy.data.objects.new("Object", None)
+        tool.Ifc.link(subelement, subelement_obj)
+        assert subject.can_nest(element_obj, subelement_obj) is True
+
+    def test_unlinked_elements_cannot_nest(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        element_obj = bpy.data.objects.new("Object", None)
+        subelement_obj = bpy.data.objects.new("Object", None)
+        assert subject.can_nest(element_obj, subelement_obj) is False
+
+
+class TestDisableEditing(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Object", None)
+        subject.enable_editing(obj)
+        subject.disable_editing(obj)
+        assert obj.BIMObjectNestProperties.is_editing is False
+
+
+class TestEnableEditing(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Object", None)
+        subject.enable_editing(obj)
+        assert obj.BIMObjectNestProperties.is_editing is True
+
+
+class TestGetContainer(NewFile):
+    def test_run(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        element = ifc.createIfcWall()
+        container = ifc.createIfcBuildingStorey()
+        ifcopenshell.api.run("spatial.assign_container", ifc, product=element, relating_structure=container)
+        assert subject.get_container(element) == container