Fix ifc linking tests

.gitignore

@@ -81,6 +81,9 @@ src/blenderbim/blenderbim/translations.py
 
 # blenderbim test temp files
 src/blenderbim/test/files/temp
+src/blenderbim/test/files/basic.ifc.cache.blend
+src/blenderbim/test/files/basic.ifc.cache.sqlite
+
 src/blenderbim/drawings
 src/blenderbim/layouts
 

src/blenderbim/blenderbim/bim/module/project/operator.py

@@ -899,11 +899,11 @@ class UnloadLink(bpy.types.Operator):
         if filepath.suffix.lower() == ".ifc":
             filepath = filepath.with_suffix(".ifc.cache.blend")
 
-        for collection in context.scene.collection.children:
+        for collection in context.scene.collection.children[:]:
             if collection.library and Path(collection.library.filepath) == filepath:
-                context.scene.collection.children.unlink(collection)
+                bpy.data.collections.remove(collection)
 
-        for scene in bpy.data.scenes:
+        for scene in bpy.data.scenes[:]:
             if scene.library and Path(scene.library.filepath) == filepath:
                 bpy.data.scenes.remove(scene)
 

src/blenderbim/test/bim/feature/project.feature

@@ -313,18 +313,15 @@ Scenario: Unload project
 
 Scenario: Link IFC
     Given an empty IFC project
-    When I press "bim.link_ifc(filepath='{cwd}/test/files/basic.blend')"
-    Then "scene.BIMProjectProperties.links['{cwd}/test/files/basic.blend'].is_loaded" is "True"
-    And the object "IfcWall/Wall" exists
-    And the object "IfcSlab/Slab" exists
-    And the object "IfcElementAssembly/Empty" exists
-    And the object "IfcBeam/Beam" exists
-    And the object "IfcBuildingStorey/Ground Floor" exists
-    And the object "IfcBuildingStorey/Level 1" exists
+    When I press "bim.link_ifc(filepath='{cwd}/test/files/basic.ifc')"
+    Then "scene.BIMProjectProperties.links['{cwd}/test/files/basic.ifc'].is_loaded" is "True"
+    And the collection "IfcProject/basic.ifc" exists
+    And the object "Chunk" exists
+    And the object "Chunk" is placed in the collection "IfcProject/basic.ifc"
 
 Scenario: Toggle link visibility - wireframe mode
     Given an empty IFC project
-    And I press "bim.link_ifc(filepath='{cwd}/test/files/basic.blend')"
+    And I press "bim.link_ifc(filepath='{cwd}/test/files/basic.ifc')"
     When I press "bim.toggle_link_visibility(link='{cwd}/test/files/basic.blend', mode='WIREFRAME')"
     Then nothing happens
 
@@ -351,11 +348,12 @@ Scenario: Load link
 
 Scenario: Unlink IFC
     Given an empty Blender session
-    And I press "bim.link_ifc(filepath='{cwd}/test/files/basic.blend')"
-    And I press "bim.unload_link(filepath='{cwd}/test/files/basic.blend')"
-    When I press "bim.unlink_ifc(filepath='{cwd}/test/files/basic.blend')"
-    Then "scene.BIMProjectProperties.links.get('{cwd}/test/files/basic.blend')" is "None"
-    And "scene.collection.children.get('IfcProject/My Project')" is "None"
+    And I press "bim.link_ifc(filepath='{cwd}/test/files/basic.ifc')"
+    And I press "bim.unload_link(filepath='{cwd}/test/files/basic.ifc')"
+    When I press "bim.unlink_ifc(filepath='{cwd}/test/files/basic.ifc')"
+    Then "scene.BIMProjectProperties.links.get('{cwd}/test/files/basic.ifc')" is "None"
+    And "scene.collection.children.get('IfcProject/basic.ifc')" is "None"
+    And the object "Chunk" does not exist
 
 Scenario: Export IFC - blank project
     Given an empty IFC project

src/blenderbim/test/bim/test_feature.py

@@ -29,11 +29,12 @@ from blenderbim.bim.module.model.data import AuthoringData
 from pytest_bdd import scenarios, given, when, then, parsers
 from mathutils import Vector
 from math import radians
+from pathlib import Path
 
 scenarios("feature")
 
 variables = {
-    "cwd": os.getcwd(),
+    "cwd": Path.cwd().as_posix(),
     "ifc": "IfcStore.get_file()",
     "pset_ifc": "IfcStore.pset_template_file",
     "classification_ifc": "IfcStore.classification_file",
@@ -44,8 +45,6 @@ webbrowser.open = lambda x: True
 
 
 def replace_variables(value):
-    if "{cwd}" in value and os.name == "nt":
-        value = value.replace("/", "\\").replace("{cwd}", os.getcwd()).replace("\\", "\\\\")
     for key, new_value in variables.items():
         value = value.replace("{" + key + "}", str(new_value))
     return value
@@ -291,12 +290,18 @@ def the_object_name_is_scaled_to_scale(name, scale):
 
 @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):
+def the_object_name_is_placed_in_the_collection_collection(name: str, collection: str) -> None:
     obj = the_object_name_exists(name)
     [c.objects.unlink(obj) for c in obj.users_collection]
     bpy.data.collections.get(collection).objects.link(obj)
 
 
+@then(parsers.parse('the object "{name}" is placed in the collection "{collection}"'))
+def then_the_object_name_is_placed_in_the_collection_collection(name: str, collection: str) -> None:
+    obj = the_object_name_exists(name)
+    assert obj in bpy.data.collections.get(collection).objects[:]
+
+
 @given(parsers.parse('additionally the object "{name}" is selected'))
 @when(parsers.parse('additionally the object "{name}" is selected'))
 def additionally_the_object_name_is_selected(name):
@@ -363,7 +368,7 @@ def nothing_happens():
 
 
 @then(parsers.parse('the object "{name}" exists'))
-def the_object_name_exists(name) -> bpy.types.Object:
+def the_object_name_exists(name: str) -> bpy.types.Object:
     obj = bpy.data.objects.get(name)
     if not obj:
         assert False, f'The object "{name}" does not exist'
@@ -953,5 +958,3 @@ def run_pdb():
     import pdb
 
     pdb.set_trace()
-
-