You can now remove bricks from a Brickschema model.

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

@@ -50,6 +50,13 @@ Scenario: Assign brick reference
     When I press "bim.assign_brick_reference"
     Then nothing happens
 
+Scenario: Add brick - vanilla brick with no IFC
+    Given an empty Blender session
+    And I press "bim.new_brick_file"
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
+    When I press "bim.add_brick"
+    Then nothing happens
+
 Scenario: Add brick - without a brick IFC library
     Given an empty IFC project
     And I add a cube
@@ -58,7 +65,7 @@ Scenario: Add brick - without a brick IFC library
     And I press "bim.assign_class"
     And I press "bim.load_brick_project(filepath='{cwd}/test/files/spaces.ttl')"
     And the object "IfcChiller/Cube" is selected
-    And I set "scene.BIMBrickProperties.namespace" to "http://example.org/digitaltwin#"
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
     When I press "bim.add_brick"
     Then nothing happens
 
@@ -71,7 +78,7 @@ Scenario: Add brick - with a brick IFC library
     And I press "bim.load_brick_project(filepath='{cwd}/test/files/spaces.ttl')"
     And I press "bim.convert_brick_project"
     And the object "IfcChiller/Cube" is selected
-    And I set "scene.BIMBrickProperties.namespace" to "http://example.org/digitaltwin#"
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
     When I press "bim.add_brick"
     Then nothing happens
 
@@ -79,7 +86,7 @@ Scenario: Add brick feed
     Given an empty IFC project
     And I press "bim.load_brick_project(filepath='{cwd}/test/files/spaces.ttl')"
     And I press "bim.convert_brick_project"
-    And I set "scene.BIMBrickProperties.namespace" to "http://example.org/digitaltwin#"
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
     And I add a cube
     And the object "Cube" is selected
     And I set "scene.BIMRootProperties.ifc_class" to "IfcUnitaryEquipment"
@@ -101,7 +108,7 @@ Scenario: Convert IFC to brick
     Given an empty IFC project
     And I press "bim.load_brick_project(filepath='{cwd}/test/files/spaces.ttl')"
     And I press "bim.convert_brick_project"
-    And I set "scene.BIMBrickProperties.namespace" to "http://example.org/digitaltwin#"
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
     And I add a cube
     And the object "Cube" is selected
     And I set "scene.BIMRootProperties.ifc_class" to "IfcUnitaryEquipment"
@@ -120,3 +127,16 @@ Scenario: Refresh brick viewer
     And I press "bim.new_brick_file"
     When I press "bim.refresh_brick_viewer"
     Then nothing happens
+
+Scenario: Remove brick - without a brick IFC library
+    Given an empty IFC project
+    And I add a cube
+    And the object "Cube" is selected
+    And I set "scene.BIMRootProperties.ifc_class" to "IfcChiller"
+    And I press "bim.assign_class"
+    And I press "bim.load_brick_project(filepath='{cwd}/test/files/spaces.ttl')"
+    And the object "IfcChiller/Cube" is selected
+    And I set "scene.BIMBrickProperties.namespace" to "https://example.org/digitaltwin#"
+    And I press "bim.add_brick"
+    When I press "bim.remove_brick"
+    Then nothing happens

src/blenderbim/test/core/test_brick.py

@@ -165,3 +165,23 @@ class TestRefreshBrickViewer:
         brick.run_view_brick_class(brick_class="class").should_be_called()
         brick.pop_brick_breadcrumb().should_be_called()
         subject.refresh_brick_viewer(brick)
+
+
+class TestRemoveBrick:
+    def test_run(self, ifc, brick):
+        brick.get_library_brick_reference("library", "brick_uri").should_be_called().will_return("reference")
+        ifc.run("library.remove_reference", reference="reference").should_be_called()
+        brick.remove_brick("brick_uri").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
+        subject.remove_brick(ifc, brick, library="library", brick_uri="brick_uri")
+
+    def test_do_not_remove_reference_if_no_reference_exists(self, ifc, brick):
+        brick.get_library_brick_reference("library", "brick_uri").should_be_called().will_return(None)
+        brick.remove_brick("brick_uri").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
+        subject.remove_brick(ifc, brick, library="library", brick_uri="brick_uri")
+
+    def test_do_not_check_references_if_no_library_specified(self, ifc, brick):
+        brick.remove_brick("brick_uri").should_be_called()
+        brick.run_refresh_brick_viewer().should_be_called()
+        subject.remove_brick(ifc, brick, library=None, brick_uri="brick_uri")

src/blenderbim/test/files/spaces.ttl

@@ -1,4 +1,4 @@
-@prefix digitaltwin: <http://example.org/digitaltwin#> .
+@prefix digitaltwin: <https://example.org/digitaltwin#> .
 @prefix brick: <https://brickschema.org/schema/Brick#> .
 @prefix unit: <http://qudt.org/vocab/unit/> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

src/blenderbim/test/tool/test_brick.py

@@ -345,6 +345,18 @@ class TestPopBrickBreadcrumb(NewFile):
         assert bpy.context.scene.BIMBrickProperties.brick_breadcrumbs[0].name == "foo"
 
 
+class TestRemoveBrick(NewFile):
+    def test_run(self):
+        BrickStore.graph = brickschema.Graph()
+        result = subject.add_brick("http://example.org/digitaltwin#", "https://brickschema.org/schema/Brick#Equipment")
+        subject.remove_brick(result)
+        assert not list(
+            BrickStore.graph.triples(
+                (URIRef(result), None, None)
+            )
+        )
+
+
 class TestRunAssignBrickReference(NewFile):
     def test_nothing(self):
         pass