Fix bug where copying a type also copied its type relations which is invalid.

src/blenderbim/test/bim/feature/root.feature

@@ -44,7 +44,7 @@ Scenario: Assign a type class to a cube
     Then the object "IfcWallType/Cube" is an "IfcWallType"
     And the object "IfcWallType/Cube" is in the collection "Types"
     And the object "IfcWallType/Cube" has a "Tessellation" representation of "Model/Body/MODEL_VIEW"
-    
+
 Scenario: Assign a spatial class to a cube
     Given an empty IFC project
     And I add a cube
@@ -56,6 +56,19 @@ Scenario: Assign a spatial class to a cube
     And the object "IfcBuilding/Cube" is in the collection "IfcBuilding/Cube"
     And the object "IfcBuilding/Cube" has a "Tessellation" representation of "Model/Body/MODEL_VIEW"
 
+Scenario: Assign a spatial class to a cube already in a collection
+    Given an empty IFC project
+    And I add a cube
+    And the object "Cube" is placed in the collection "IfcBuildingStorey/My Storey"
+    When the object "Cube" is selected
+    And I set "scene.BIMRootProperties.ifc_product" to "IfcSpatialElement"
+    And I set "scene.BIMRootProperties.ifc_class" to "IfcSpace"
+    And I press "bim.assign_class"
+    Then the object "IfcSpace/Cube" is an "IfcSpace"
+    And the object "IfcSpace/Cube" is in the collection "IfcSpace/Cube"
+    And the collection "IfcSpace/Cube" is in the collection "IfcBuildingStorey/My Storey"
+    And the object "IfcSpace/Cube" has a "Tessellation" representation of "Model/Body/MODEL_VIEW"
+
 Scenario: Assign an opening class to a cube
     Given an empty IFC project
     And I add a cube

src/blenderbim/test/bim/test_feature.py

@@ -133,6 +133,7 @@ def the_object_name_is_selected(name):
     additionally_the_object_name_is_selected(name)
 
 
+@given(parsers.parse('the object "{name}" is placed in the collection "{collection}"'))
 @when(parsers.parse('the object "{name}" is placed in the collection "{collection}"'))
 def the_object_name_is_placed_in_the_collection_collection(name, collection):
     obj = the_object_name_exists(name)

src/blenderbim/test/tool/test_collector.py

@@ -158,3 +158,23 @@ class TestAssign(NewFile):
         )
         subject.assign(subelement_obj)
         assert subelement_obj.users_collection[0].name == "IfcSite/My Site"
+
+    def test_in_decomposition_mode_types_are_placed_in_the_types_collection(self):
+        bpy.ops.bim.create_project()
+        element_obj = bpy.data.objects.new("IfcWallType/Name", None)
+        element = tool.Ifc.get().createIfcWallType()
+        tool.Ifc.link(element, element_obj)
+        bpy.context.scene.collection.objects.link(element_obj)
+        subject.assign(element_obj)
+        assert element_obj.users_collection[0].name == "Types"
+        assert bpy.data.collections.get("IfcProject/My Project").children.get("Types")
+
+    def test_in_decomposition_mode_openings_are_placed_in_the_openings_collection(self):
+        bpy.ops.bim.create_project()
+        element_obj = bpy.data.objects.new("IfcOpeningElement/Name", None)
+        element = tool.Ifc.get().createIfcOpeningElement()
+        tool.Ifc.link(element, element_obj)
+        bpy.context.scene.collection.objects.link(element_obj)
+        subject.assign(element_obj)
+        assert element_obj.users_collection[0].name == "IfcOpeningElements"
+        assert bpy.data.collections.get("IfcProject/My Project").children.get("IfcOpeningElements")