Implement auto and manual refresh of the Brick model navigator

src/blenderbim/test/bim/feature/brick.feature

@@ -109,3 +109,14 @@ Scenario: Convert IFC to brick
     And I press "bim.assign_class"
     When I press "bim.convert_ifc_to_brick"
     Then nothing happens
+
+Scenario: New brick file
+    Given an empty Blender session
+    When I press "bim.new_brick_file"
+    Then nothing happens
+
+Scenario: Refresh brick viewer
+    Given an empty Blender session
+    And I press "bim.new_brick_file"
+    When I press "bim.refresh_brick_viewer"
+    Then nothing happens

src/blenderbim/test/core/test_brick.py

@@ -119,12 +119,14 @@ class TestAddBrick:
     def test_adding_a_brick(self, ifc, brick):
         ifc.get_entity("obj").should_be_called().will_return("product")
         brick.add_brick("product", "namespace", "brick_class").should_be_called().will_return("brick_uri")
+        brick.run_refresh_brick_viewer().should_be_called()
         subject.add_brick(ifc, brick, obj="obj", namespace="namespace", brick_class="brick_class", library=None)
 
     def test_adding_a_brick_an_auto_assigning_it_to_the_ifc_element(self, ifc, brick):
         ifc.get_entity("obj").should_be_called().will_return("product")
         brick.add_brick("product", "namespace", "brick_class").should_be_called().will_return("brick_uri")
         brick.run_assign_brick_reference(obj="obj", library="library", brick_uri="brick_uri").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
         subject.add_brick(ifc, brick, obj="obj", namespace="namespace", brick_class="brick_class", library="library")
 
 
@@ -135,6 +137,7 @@ class TestAddBrickFeed:
         brick.get_brick("source_element").should_be_called().will_return("source_brick")
         brick.get_brick("destination_element").should_be_called().will_return("destination_brick")
         brick.add_feed("source_brick", "destination_brick").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
         subject.add_brick_feed(ifc, brick, source="source", destination="destination")
 
 
@@ -142,18 +145,29 @@ class TestConvertIfcToBrick:
     def test_run(self, brick):
         brick.get_convertable_brick_objects_and_elements().should_be_called().will_return([("obj", "element")])
         brick.get_brick_class("element").should_be_called().will_return("brick_class")
-        brick.run_add_brick(
-            obj="obj", namespace="namespace", brick_class="brick_class", library="library"
-        ).should_be_called()
+        brick.add_brick("element", "namespace", "brick_class").should_be_called().will_return("brick_uri")
+        brick.run_assign_brick_reference(obj="obj", library="library", brick_uri="brick_uri").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
         subject.convert_ifc_to_brick(brick, namespace="namespace", library="library")
 
     def test_not_converting_an_element_where_we_cannot_find_the_corresponding_brick_class(self, brick):
         brick.get_convertable_brick_objects_and_elements().should_be_called().will_return([("obj", "element")])
         brick.get_brick_class("element").should_be_called().will_return(None)
+        brick.run_refresh_brick_viewer().should_be_called()
         subject.convert_ifc_to_brick(brick, namespace="namespace", library="library")
 
 
 class TestNewBrickFile:
     def test_run(self, brick):
         brick.new_brick_file().should_be_called()
+        brick.import_brick_classes("Class").should_be_called()
+        brick.set_active_brick_class("Class").should_be_called()
         subject.new_brick_file(brick)
+
+
+class TestRefreshBrickViewer:
+    def test_run(self, brick):
+        brick.get_active_brick_class().should_be_called().will_return("class")
+        brick.run_view_brick_class(brick_class="class").should_be_called()
+        brick.pop_brick_breadcrumb().should_be_called()
+        subject.refresh_brick_viewer(brick)

src/blenderbim/test/tool/test_brick.py

@@ -169,6 +169,12 @@ class TestExportBrickAttributes(NewFile):
         }
 
 
+class TestGetActiveBrickClass(NewFile):
+    def test_run(self):
+        subject.set_active_brick_class("brick_class")
+        assert subject.get_active_brick_class() == "brick_class"
+
+
 class TestGetBrick(NewFile):
     def test_run(self):
         ifc = ifcopenshell.file()
@@ -326,12 +332,17 @@ class TestPopBrickBreadcrumb(NewFile):
         assert bpy.context.scene.BIMBrickProperties.brick_breadcrumbs[0].name == "foo"
 
 
-class TestRunAddBrick(NewFile):
+class TestRunAssignBrickReference(NewFile):
     def test_nothing(self):
         pass
 
 
-class TestRunAssignBrickReference(NewFile):
+class TestRunRefreshBrickViewer(NewFile):
+    def test_nothing(self):
+        pass
+
+
+class TestViewBrickClass(NewFile):
     def test_nothing(self):
         pass