#2094. Removing styles now also purges Blender material object if possible.

src/blenderbim/test/bim/feature/material.feature

@@ -112,7 +112,6 @@ Scenario: Assign material - Assign a material profile set
     Then nothing happens
 
 Scenario: Select by material
-Scenario: Load materials - then add material
     Given an empty IFC project
     And I press "bim.load_materials"
     And I press "bim.add_material(obj='')"

src/blenderbim/test/bim/feature/style.feature

@@ -14,7 +14,8 @@ Scenario: Remove style
     And I add a cube
     And I add a material
     And I press "bim.add_style"
-    When I press "bim.remove_style"
+    And the variable "style" is "{ifc}.by_type('IfcSurfaceStyle')[0].id()"
+    When I press "bim.remove_style(style={style})"
     Then nothing happens
 
 Scenario: Add style

src/blenderbim/test/core/test_style.py

@@ -17,7 +17,7 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 import blenderbim.core.style as subject
-from test.core.bootstrap import ifc, style
+from test.core.bootstrap import ifc, material, style
 
 
 class TestAddStyle:
@@ -53,11 +53,32 @@ class TestAddStyle:
 
 
 class TestRemoveStyle:
-    def test_run(self, ifc, style):
-        style.get_style("obj").should_be_called().will_return("style")
+    def test_removing_a_style(self, ifc, material, style):
+        ifc.get_object("style").should_be_called().will_return("obj")
         ifc.unlink(obj="obj", element="style").should_be_called()
         ifc.run("style.remove_style", style="style").should_be_called()
-        subject.remove_style(ifc, style, obj="obj")
+        ifc.get_entity("obj").should_be_called().will_return("material")
+        style.is_editing_styles().should_be_called().will_return(False)
+        subject.remove_style(ifc, material, style, style="style")
+
+    def test_removing_a_style_and_reloading_imported_styles(self, ifc, material, style):
+        ifc.get_object("style").should_be_called().will_return("obj")
+        ifc.unlink(obj="obj", element="style").should_be_called()
+        ifc.run("style.remove_style", style="style").should_be_called()
+        ifc.get_entity("obj").should_be_called().will_return("material")
+        style.is_editing_styles().should_be_called().will_return(True)
+        style.get_active_style_type().should_be_called().will_return("style_type")
+        style.import_presentation_styles("style_type").should_be_called()
+        subject.remove_style(ifc, material, style, style="style")
+
+    def test_removing_an_object_if_it_is_not_still_used_for_a_material(self, ifc, material, style):
+        ifc.get_object("style").should_be_called().will_return("obj")
+        ifc.unlink(obj="obj", element="style").should_be_called()
+        ifc.run("style.remove_style", style="style").should_be_called()
+        ifc.get_entity("obj").should_be_called().will_return(None)
+        material.delete_object("obj").should_be_called()
+        style.is_editing_styles().should_be_called().will_return(False)
+        subject.remove_style(ifc, material, style, style="style")
 
 
 class TestUpdateStyleColours:

src/blenderbim/test/tool/test_style.py

@@ -78,6 +78,16 @@ class TestExportSurfaceAttributes(NewFile):
         assert subject.export_surface_attributes(obj) == {"Name": "Name", "Side": "BOTH"}
 
 
+class TestGetActiveStyleType(NewFile):
+    def test_run(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        bpy.context.scene.BIMStylesProperties.style_type = "IfcSurfaceStyle"
+        assert subject.get_active_style_type() == "IfcSurfaceStyle"
+        bpy.context.scene.BIMStylesProperties.style_type = "IfcCurveStyle"
+        assert subject.get_active_style_type() == "IfcCurveStyle"
+
+
 class TestGetContext(NewFile):
     def test_run(self):
         bpy.ops.bim.create_project()
@@ -408,3 +418,11 @@ class TestImportPresentationStyles(NewFile):
         assert props.styles[0].ifc_definition_id == style.id()
         assert props.styles[0].name == "Name"
         assert props.styles[0].total_elements == 0
+
+
+class TestIsEditingStyles(NewFile):
+    def test_run(self):
+        bpy.context.scene.BIMStylesProperties.is_editing = False
+        subject.is_editing_styles() is False
+        bpy.context.scene.BIMStylesProperties.is_editing = True
+        subject.is_editing_styles() is True