See #2140. You can now bulk unassign aggregates, and they are auto directly contained in any previous indirect containers.

src/blenderbim/test/bim/feature/aggregate.feature

@@ -34,7 +34,7 @@ Scenario: Unassign object
     And the variable "related_object" is "tool.Ifc.get().by_type('IfcBuildingStorey')[0].id()"
     And I press "bim.assign_object(relating_object={relating_object}, related_object={related_object})"
     And the object "IfcBuildingStorey/My Storey" is selected
-    When I press "bim.unassign_object(relating_object={relating_object}, related_object={related_object})"
+    When I press "bim.unassign_object"
     Then the object "IfcSite/My Site" is in the collection "IfcSite/My Site"
     And the object "IfcBuildingStorey/My Storey" is in the collection "IfcBuildingStorey/My Storey"
     And the collection "IfcBuildingStorey/My Storey" is in the collection "IfcProject/My Project"

src/blenderbim/test/core/test_aggregate.py

@@ -50,9 +50,11 @@ class TestAssignObject:
 
 
 class TestUnassignObject:
-    def test_run(self, ifc, collector):
-        ifc.get_entity("related_obj").should_be_called().will_return("related_object")
-        ifc.run("aggregate.unassign_object", product="related_object").should_be_called().will_return("rel")
+    def test_run(self, ifc, aggregate, collector):
+        ifc.get_entity("related_obj").should_be_called().will_return("element")
+        aggregate.get_container("element").should_be_called().will_return("container")
+        ifc.run("spatial.assign_container", product="element", relating_structure="container").should_be_called()
+        ifc.run("aggregate.unassign_object", product="element").should_be_called().will_return("rel")
         collector.assign("relating_obj").should_be_called()
         collector.assign("related_obj").should_be_called()
-        assert subject.unassign_object(ifc, collector, relating_obj="relating_obj", related_obj="related_obj") == "rel"
+        subject.unassign_object(ifc, aggregate, collector, relating_obj="relating_obj", related_obj="related_obj")

src/blenderbim/test/tool/test_aggregate.py

@@ -29,19 +29,8 @@ class TestImplementsTool(NewFile):
         assert isinstance(subject(), blenderbim.core.tool.Aggregate)
 
 
-class TestEnableEditing(NewFile):
-    def test_run(self):
-        obj = bpy.data.objects.new("Object", None)
-        subject.enable_editing(obj)
-        assert obj.BIMObjectAggregateProperties.is_editing is True
 
 
-class TestDisableEditing(NewFile):
-    def test_run(self):
-        obj = bpy.data.objects.new("Object", None)
-        subject.enable_editing(obj)
-        subject.disable_editing(obj)
-        assert obj.BIMObjectAggregateProperties.is_editing is False
 
 
 class TestCanAggregate(NewFile):
@@ -117,3 +106,27 @@ class TestCanAggregate(NewFile):
         subelement_obj = bpy.data.objects.new("Object", None)
         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)
+        subject.enable_editing(obj)
+        subject.disable_editing(obj)
+        assert obj.BIMObjectAggregateProperties.is_editing is False
+
+
+class TestEnableEditing(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Object", None)
+        subject.enable_editing(obj)
+        assert obj.BIMObjectAggregateProperties.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