Fix #1872. Bug where duplicating an object didn't duplicate its styles.

src/blenderbim/test/bim/feature/geometry.feature

@@ -309,6 +309,23 @@ Scenario: Override duplicate move - with active IFC data
     And the object "IfcBuildingStorey/My Storey.001" exists
     And the object "IfcBuildingStorey/My Storey.001" is an "IfcBuildingStorey"
 
+Scenario: Override duplicate move - copying a coloured representation
+    Given an empty IFC project
+    And I add a cube
+    And the object "Cube" is selected
+    And I add a material
+    And I set "scene.BIMRootProperties.ifc_class" to "IfcWall"
+    And I press "bim.assign_class"
+    And the object "IfcWall/Cube" is selected
+    And the material "Material" colour is set to "1,0,0,1"
+    When I press "object.duplicate_move"
+    And I press "export_ifc.bim(filepath='{cwd}/test/files/export.ifc')"
+    And an empty Blender session is started
+    And I press "bim.load_project(filepath='{cwd}/test/files/export.ifc')"
+    Then the material "Material" colour is "1,0,0,1"
+    And the object "IfcWall/Cube" has the material "Material"
+    And the object "IfcWall/Cube.001" has the material "Material"
+
 Scenario: Override duplicate move - copying a type instance with a representation map
     Given an empty IFC project
     And I add a cube

src/blenderbim/test/core/test_geometry.py

@@ -62,7 +62,8 @@ class TestAddRepresentation:
 
         # Add styles
         geometry.get_object_materials_without_styles("obj").should_be_called().will_return(["material"])
-        test.core.test_style.TestAddStyle.predict(self, ifc, style, obj="material")
+        geometry.run_style_add_style(obj="material").should_be_called()
+        geometry.get_styles("obj").should_be_called().will_return(["style"])
 
         # Link style to representation items
         geometry.should_use_presentation_style_assignment().should_be_called().will_return(False)

src/blenderbim/test/tool/test_geometry.py

@@ -169,6 +169,18 @@ class TestGetRepresentationName(NewFile):
         assert subject.get_representation_name(representation) == f"{context.id()}/{representation.id()}"
 
 
+class TestGetStyles(NewFile):
+    def test_run(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        style = ifc.createIfcSurfaceStyle()
+        material = bpy.data.materials.new("Material")
+        tool.Ifc.link(style, material)
+        obj = bpy.data.objects.new("Object", bpy.data.meshes.new("Mesh"))
+        obj.data.materials.append(material)
+        subject.get_styles(obj) == [style]
+
+
 class TestGetCartesianPointCoordinateOffset(NewFile):
     def test_run(self):
         obj = bpy.data.objects.new("Object", None)
@@ -387,6 +399,11 @@ class TestRunGeometryUpdateRepresentation(NewFile):
         pass
 
 
+class TestRunStyleAddStyle(NewFile):
+    def test_nothing(self):
+        pass
+
+
 class TestShouldForceFacetedBrep(NewFile):
     def test_run(self):
         result = bpy.context.scene.BIMGeometryProperties.should_force_faceted_brep